SQL, or Structured Query Language, is a commonly used programming language for managing data in relational databases. A SQL Developer helps with the design, development and maintenance of databases. They ensure that the databases work correctly and efficiently and can also create testing procedures. With the help of a SQL Developer, clients are able to get an efficient system for managing their company data. By developing secure and reliable databases, businesses can maximize their potential and streamline all processes.

Here's some projects that our expert SQL Developers made real:

  • Improving query speed and accuracy on large datasets
  • Implementing views and stored procedures for quick retrieval of data
  • Designing database tables to store all types of data
  • Automating processes to reduce manual work while working with databases
  • Creating an efficient search function using complex SQL queries
  • Providing insights into data by creating analytical models

SQL is an invaluable tool for businesses today in managing their data efficiently. Our experienced SQL Developers help clients by developing a secure and reliable database that meets their needs. With the help of a SQL Developer, clients can ensure that their database systems work correctly and with maximum efficiency.

If you're looking for an expert SQL Developer to create efficient databases or enhance your existing systems, here at Freelancer.com you will find the perfect contractors for the task. Our wide network of talents has put together many successful SQL projects for satisfied customers around the world today. So if you're ready to take your business to the next level, post your project now on Freelancer.com and hire an expert SQL Developer to work with you on this journey!

Fra 308,785 tilbakemeldinger, klienter rangerer våre SQL Developers 4.9 av 5 stjerner.
Ansett SQL Developers

SQL, or Structured Query Language, is a commonly used programming language for managing data in relational databases. A SQL Developer helps with the design, development and maintenance of databases. They ensure that the databases work correctly and efficiently and can also create testing procedures. With the help of a SQL Developer, clients are able to get an efficient system for managing their company data. By developing secure and reliable databases, businesses can maximize their potential and streamline all processes.

Here's some projects that our expert SQL Developers made real:

  • Improving query speed and accuracy on large datasets
  • Implementing views and stored procedures for quick retrieval of data
  • Designing database tables to store all types of data
  • Automating processes to reduce manual work while working with databases
  • Creating an efficient search function using complex SQL queries
  • Providing insights into data by creating analytical models

SQL is an invaluable tool for businesses today in managing their data efficiently. Our experienced SQL Developers help clients by developing a secure and reliable database that meets their needs. With the help of a SQL Developer, clients can ensure that their database systems work correctly and with maximum efficiency.

If you're looking for an expert SQL Developer to create efficient databases or enhance your existing systems, here at Freelancer.com you will find the perfect contractors for the task. Our wide network of talents has put together many successful SQL projects for satisfied customers around the world today. So if you're ready to take your business to the next level, post your project now on Freelancer.com and hire an expert SQL Developer to work with you on this journey!

Fra 308,785 tilbakemeldinger, klienter rangerer våre SQL Developers 4.9 av 5 stjerner.
Ansett SQL Developers

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    Hiring: Lead QA Automation Engineer – IVR / Contact Center (Remote) Key Skill: Hammer Automation (Mandatory) ***If you have strong IVR testing and Hammer experience, we would like to hear from you***** We are looking for an experienced QA Automation Engineer with strong skills in IVR testing and Hammer to connect with one person and connect with him daily helping work Requirements min 5+ years of experience in IVR / Contact Center testing Strong hands-on experience with Hammer (must-have) Experience with Genesys Cloud or similar platforms Manual and Automation Testing experience API Testing (Postman / Rest Assured) SQL for database validation Experience with Azure DevOps / Jira Knowledge of Agile/Scrum methodology Must be willing to coordinate and work closely with anot...

    $9 Average bid
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    I need a striking digital poster that will serve as the centrepiece of a product-launch email campaign. The goal is to make recipients instantly curious about the new release and click through to our landing page, so strong visual hierarchy and a concise, benefit-driven headline are essential. Scope • Single promotional poster formatted for email (max width 800 px, lightweight for fast loading). • Optimised JPEG/PNG plus the editable source file (PSD, AI or layered PDF). • Colours, fonts and any graphic elements must be compatible with common email clients; no heavy animations or scripts. Key points to feature • Product name and launch date • One short line of compelling copy (I’ll supply final text) • Prominent call-to-action button or gra...

    $15 / hr Average bid
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    50 bud

    looking for an experienced OT / Industrial IIoT freelancer to develop a small on-premise technical demo (PoC) related to an automotive Paint Shop (Pre-Treatment & E-Coat). The goal is to demonstrate a realistic Industry 4.0 data flow, fully on-premise, without modifying PLC control logic, and aligned with industrial cybersecurity best practices.

    $134 Average bid
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    I’m running a web application on a custom-built PHP framework and it currently sits on an ageing database that I now want fully migrated to MySQL. The job is strictly a database migration—no codebase refactor is required at this stage—so the focus is on cleanly lifting all existing data structures and records into a fresh MySQL schema while keeping the application functional throughout the transition. What I’ll hand over: the current schema dump (or direct access if you prefer), sample data, and a brief outline of the application’s data flow so you can map dependencies accurately. What I expect back: • A MySQL-ready schema that mirrors the original structure, optimised where obvious gains are available (indexes, data types, constraints). • Reli...

    $20 / hr Average bid
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    I need a data analytics expert to analyze key datasets. Key requirements include: - Analyze sales, customer, and operational data. - Identify trends, make predictions, and improve efficiency. - Deliver insights for reports, business decisions, and strategy development. Ideal skills and experience: - Proficiency in data analytics tools (e.g., Python, R, SQL). - Strong analytical and statistical skills. - Experience in generating actionable insights from complex datasets. - Ability to communicate findings clearly. If you have a proven track record in data analytics and can work within my budget, I would love to hear from you.

    $110 Average bid
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    37 bud

    I am looking for a talented developer or small team to build a "Website-as-a-Service" (WaaS) platform for my boutique agency. This system is for attorneys who need a high-quality website with integrated communications. The Scope: Headless WordPress Multisite: Set up a network where I can manually "clone" sites for new clients. 10 Master Templates: Build 10 high-end, clean attorney website templates using Elementor Pro or other. You may ask ai to generate 10 switchable attorney website templates. The color Switcher: After you've created the templates, Create a simple slide-in panel that allows users to pick from 20 pre-set color schemes (using CSS variables). Ask ai to recommend the color schemes or send me the templates and i can decide on the color schemes for yo...

    $468 Average bid
    $468 Snitt bud
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    Databricks ETL CI Framework
    6 dager left
    Verifisert

    I need a reusable ETL framework built inside Databricks notebooks, version-controlled in Bitbucket and promoted automatically through a Bitbucket Pipeline. All source data arrives via GraphQL APIs, so the job includes handling authentication, pagination, and schema inference before landing raw payloads in Delta tables. A dedicated cleaning stage must then standardise and validate the data before it moves on to the curated layer. The structure should be modular—ideally a bronze/silver/gold notebook hierarchy—so I can slot in new sources or extra transformations without touching the core logic. I also want a lightweight Python package (wheel) that wraps the GraphQL connector and can be attached to any cluster. Acceptance criteria • Parameter-driven notebooks organised by...

    $342 Average bid
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    Frontend Next.js con Backend SQL
    6 dager left
    Verifisert

    Ya tengo el diseño inicial de la interfaz construido con V0 de Vercel en Next .js. Ahora necesito que lo conviertas en una aplicación funcional que: • Reciba y almacene datos de usuario junto con los documentos que ellos mismos suban. El usuario deberá aceptar "términos y condiciones" ya que está subiendo información confidencial • Guarde todo en una base SQL; me da igual MySQL o PostgreSQL mientras quede bien estructurado y con migraciones incluidas. • Exponga un API REST para altas, bajas, cambios y consultas, de forma que mi equipo pueda consumirla sin fricción. • Ofrezca un pequeño panel interno (puede ser dentro del mismo Next .js) para visualizar y filtrar la información almacenada. ...

    $483 Average bid
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    I have several months of raw sales data sitting in mixed Excel/CSV files and a small SQL dump. I need that information cleaned, organised, and explored so we can finally see what the numbers are really telling us. After the data is trustworthy, I want to zero-in on three priorities: revenue trends over time, customer acquisition and retention behaviour, and sales performance broken down by region. Power BI is my preferred canvas for the visuals. Please build an interactive dashboard that lets managers slice by date, product line, and region while keeping the layout simple enough for non-technical teammates. If you also know Tableau or advanced Excel, great, but the .pbix file is the deliverable that matters most. Once the dashboard is live, I’ll need a short narrative (one-to-two p...

    $456 Average bid
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    I'm seeking a consultant based in Johannesburg South Africa, with strong experience in Power BI, Power Automate, and knowledge of Syspro for a 6-month engagement. The goal is to build tables and dashboards and automate some of our internal workflows. Key Responsibilities: - Building tables and dashboards in Power BI - Automating internal workflows using Power Automate - Connecting to SQL databases and Excel spreadsheets as data sources - Ensuring that both management and operational teams can effectively use the outputs Ideal Skills and Experience: - Strong expertise in Power BI and Power Automate - Proficiency in SQL and Excel - Familiarity with Syspro - Experience in creating user-friendly dashboards for management and operational teams Please provide examples of similar projects...

    $21 / hr Average bid
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    I need a Windows-based desktop program that follows each sofa, chair, or table we build from the moment it is sold right through to the truck leaving our dock. The flow should start with order entry, automatically raise the fabric purchase request, then guide the piece through cutting, frame-building, upholstery, packaging, and finally shipping. At every stage I want a clear status board and simple way to update progress so the whole team can see what is waiting, what is in work, and what is finished. A small local SQL database is fine as long as it scales to a few dozen simultaneous users; if you prefer another lightweight option, mention it and why. The interface must be straightforward—touch-friendly for the shop floor, keyboard-driven in the office—so staff can scan a barc...

    $834 Average bid
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    Preciso construir um backend de inteligência artificial que leia, de forma autônoma, PDFs técnicos recorrentes — o material chegará quase sempre como textos e áudios convertidos em documento — identifique tabelas complexas, texto descritivo e especificações técnicas, grave tudo em um banco SQL bem estruturado e, por fim, disponibilize essas informações em uma conversa no WhatsApp. O fluxo ideal é simples: envio o PDF, o serviço o processa, normaliza cada campo no banco relacional e, quando eu fizer perguntas no WhatsApp, recebo respostas claras extraídas desses mesmos dados. Essenciais para o projeto: • Extração fiel de tabelas, parágrafos e campos de especific...

    $1463 Average bid
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    27 bud
    Magento Reindex Product Price Fix
    5 dager left
    Verifisert

    Our Magento 2 store suddenly refuses to complete the Product Price reindex and shows the familiar “no linked stock” message. Nothing was updated, no extensions were added, and I haven’t tried any quick-fix SQL scripts or CLI commands yet, so you’ll be starting with a clean slate. I’m looking for someone who has already wrestled with this specific indexing glitch and can get the catalog back to a fully reindexed state without disrupting live traffic. Acceptance criteria / deliverables: • Identify the root cause of the “product price index – no linked stock” error and document it briefly. • Apply the corrective fix (database clean-up, configuration adjustment, or code patch) on our staging site, demonstrate a successful bin/magent...

    $69 Average bid
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    24 bud
    $24 Snitt bud
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    My goal is to turn a messy collection of raw files into a clean, analysis-ready dataset hosted on Google Cloud so I can make faster, well-informed decisions. The data first needs three specific text-cleaning steps—removing duplicates, correcting typos, and standardising formats. Once those tasks are automated, the cleaned output should flow straight into a Google Cloud environment (BigQuery is ideal, but Cloud Storage plus Cloud Functions works too). After the upload, I want an exploratory analysis that highlights patterns, trends and any obvious outliers that deserve attention. Deliverables • Well-commented scripts or workflows that automate duplicate removal, spell-checking and format standardisation • A repeatable pipeline that loads the cleansed data into Google C...

    $323 Average bid
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    I need every bit of information currently stored in my Tally company—masters, vouchers, inventory, bank transactions, statutory ledgers, the lot—pulled out once and delivered in a clean, tabular Excel workbook. The extraction must be fully automated (TDL, ODBC, or any method you’re comfortable with) so I can rerun it later, but this engagement covers a single execution and hand-over. Deliverables • An Excel file where each dataset appears as a properly labeled table, with field names matching Tally, dates and numbers intact, ready for analysis or import elsewhere. We will provide Tally data file. Let me know which approach you prefer (TDL, ODBC, etc.) and how quickly you can turn the finished workbook around. Please also advise your working days and hours.

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    Need help writing a 3-line script in Oracle 4GL based on pseudo logic related to VEE rules and VEE group. The deliverable is the script only, as testing and documentation will be handled separately.

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    Proyecto: Ecosistema Disruptivo de Reclutamiento Ético (HR-Tech) Buscamos: Un perfil híbrido excepcional que combine la ingeniería de software de alto nivel con una mentalidad de crecimiento (Growth) y producto. Alguien capaz de construir desde cero una plataforma que gestione identidades verificadas, inteligencia de emparejamiento (matching) y una infraestructura de datos inmutable. 1. El Reto Técnico (Arquitectura y Desarrollo) El candidato seleccionado será el responsable total del stack tecnológico, asegurando que la plataforma sea rápida, segura y estéticamente impecable. Frontend de Nueva Generación: Implementación en React (TSX) con Tailwind CSS y Framer Motion. La interfaz debe ser "líquida", ...

    $1274 Average bid
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    React Native / Expo Developer Needed 7-Day Sprint to Polish & Ship a Mobile App (Non-Profit) We’re looking for an experienced React Native / Expo developer to help us finalize and ship an existing mobile app. This is not a from-scratch build — the app is functional and well underway. We need help refining performance, completing integrations, and preparing for release. Source code is ready and available immediately. About the App The app combines two core experiences: A daily puzzle game — grid-based, touch-driven gameplay with a short interactive sequence after completion. A utility layer — a simple request-and-claim flow where authenticated users can view, claim, and log activity via a dashboard. Current State Built with React Native / Expo (Expo Go t...

    $494 Average bid
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    I need about three hours of guided, screen-shared help moving product data that currently lives in several related Excel sheets straight into my PostgreSQL database. No transformations are required—just a clean import exactly as the data sits now. During the session we will • create or confirm the target tables and column types, • choose the quickest import method (COPY commands, pgAdmin’s import wizard, or any tool you prefer), • load every sheet accurately, and • finish by writing a few SQL queries to verify row counts, join related tables, and pull sample SKU-level results. Deliverables for me at the end of the call will be: • a working, repeatable import script or step-by-step notes; • the example SELECT queries we ran together; a...

    $11 / hr Average bid
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    Quiero reducir al mínimo los gastos de mi suscripción en Azure sin comprometer rendimiento ni seguridad. Necesito que revises conmigo, paso a paso y en tiempo real, toda la configuración de: • Máquinas virtuales • SQL Database/Managed Instance • Servicios relacionados (storage, networking, backups, etc.) Trabajaremos mediante sesiones interactivas en TeamViewer, AnyDesk y Microsoft Teams con audio. No se permite el uso de chats de IA para elaborar respuestas; la comunicación debe ser directa y durante la sesión. Flujo esperado: 1. Auditoría inicial: identificas consumos elevados, licenciamiento inapropiado y recursos infrautilizados. 2. Propuesta inmediata de cambios (tamaño, auto-shutdown, reservas, elastic ...

    $145 Average bid
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    It is my college final year project Basis. This project focuses on the design and implementation of a distributed NoSQL database system capable of handling large-scale, dynamic data with high availability, scalability, and strong consistency. The system uses dynamic sharding to automatically partition and distribute data across multiple nodes based on data growth and access patterns. It incorporates replication and consistency mechanisms such as quorum-based replication or distributed consensus protocols to ensure data integrity even during node failures or network partitions. The project aims to balance the scalability and flexibility of NoSQL systems with the consistency guarantees of traditional databases. Performance, scalability, and consistency are evaluated under different worklo...

    $50 Average bid
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    7 bud
    Real-Time Local-Cloud SQL Sync
    3 dager left
    Verifisert

    I’m looking for a reliable way to mirror my on-premise SQL database to AWS RDS in real time. The web service you build will capture every change that hits the local tables—customer information, inventory data, and transaction records—then push those changes up to the cloud with minimal latency. My priorities are: • Zero data loss and consistent state between the two stores, even when connectivity drops temporarily. • Latency low enough to feel immediate to downstream apps that rely on the cloud copy. • A straightforward deployment path: I should be able to install the service on a Windows or Linux host beside the local database, point it at the RDS instance, and watch it run. Deliverables 1. Source code for the sync service (language and framewor...

    $488 Average bid
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    150 bud

    I want to replace several manual reporting routines with an end-to-end AI workflow that ingests data from our internal finance databases and live web sources, then produces clear, timely analytics for management. Reporting and analytics are the sole focus—no transaction execution—so the system must excel at pulling, cleaning, and interpreting numbers rather than booking them. We also want to compare legal documents vs term sheets and excel spreadsheets Data sources • Company databases (SQL, flat files, Excel exports) - Dropbox all our files are in drop box • Extensive web scraping for competitor benchmarks and investment-market signals If you have ideas for safely adding external financial APIs later, let me know, but the two feeds above are mandatory. - Th...

    $22 / hr Average bid
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    112 bud

    I’m spinning up a brand-new SA-MP roleplay server and need a complete Pawn script built entirely from scratch. The end result should feel as if it came out of a polished commercial package: clean, modular, thoroughly commented, and fully optimized for desktop and SA-MP mobile clients alike. Core systems I must have • MySQL-driven account and character handling (registration, login, persistent data) • Job framework with at least a fully functional Police-Officer career path (duty toggle, arrest flow, ticketing, rank promotion, on-duty perks) • Faction, gang, and turf logic that can scale without performance drops • Business ownership with Clothing-Store mechanics (inventory, cash flow, stock restock, employee ranks) • Admin suite that, at minimum, s...

    $8 / hr Average bid
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    30 bud

    I want a small-scale desktop application built in Java that I can dissect later for study. The core requirement is a clean Swing interface that performs the usual Create, Read, Update and Delete operations against a MySQL database. Think of something like a simple student, product or book manager: one main window with a table view and modal forms for adding or editing records. Please keep the code readable and tutorial-friendly. Inline comments that explain the reasoning behind key sections—especially JDBC connections, prepared statements, and event handling—are essential. Include a concise README that tells me how to import the project, run the SQL script to create the tables, and launch the application. Deliverables • Complete Java source code organised in packages &...

    $270 Average bid
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    39 bud

    This project focuses on analyzing operational, customer, and outlet-level data for a Swiggy-associated food brand to derive actionable business insights and build interactive dashboards for decision-making. The objective is to track performance across outlets, understand customer complaints, monitor item availability, evaluate marketing campaigns, and identify revenue loss due to operational issues such as stock-outs and downtime. Scope of Work The project includes end-to-end data analysis starting from raw data understanding, cleaning, transformation, and visualization using Power BI and Excel. Key dashboards developed as part of this project include: Consolidated Complaint Dashboard To analyze customer complaints by category, outlet, time period, and severity, helping identify recur...

    $11 / hr Average bid
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    38 bud

    I need an experienced SQL professional who can take customer data sitting on a remote SQL Server and refresh the corresponding tables on our in-house server every day. The transfer must be reliable, consistent, and handled through SQL Server Management Studio (SSMS), as that is already part of our workflow and permissions model. Your job will be to analyse the source schema, map it cleanly to our destination tables, set up the daily pull / push routine, and keep concise logs so I can trace each run at a glance. Data consistency checks, graceful error handling, and verification reports are essential because the customer records drive several downstream apps on our side. The engagement is straightforward: configure the process, prove a few consecutive successful runs, document the step...

    $18 / hr Average bid
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    I need a concise technical blueprint that shows exactly how to print in Cityworks environment at through SQL Server Management Studio. The goal is to make sure a field on the form "DUP. BAD CHECK “ L-If a Bad Check fee (L-BADCHECK) is attached to a case, it's owed. Status, type, etc. do not matter. Same for L-DUPLCTE. L-DUPBC - this is either or both a bad check fee and a duplicate fee from historic records (Pre-migration) 30 - BC 20 - Dupe 50 - Both (Rare, if it exists) the Cityworks front-end application, then landing it in the back-end SQL database on a batch schedule. You’ll be working with: • Cityworks PLL (latest build) • Microsoft SQL Server 2019 + SSMS What I expect from you: • A clear, step-by-step document that maps Citywor...

    $22 Average bid
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    Título: Power App Model-Driven — Gestión de Pedidos de Libros Presupuesto: $200 - $250 USD (Precio Fijo) Descripción: Busco un desarrollador con experiencia en Power Apps (Model-Driven) y Dataverse para crear una aplicación sencilla de gestión de pedidos de libros. ¿Qué necesito? Tengo un negocio de venta y distribución de libros. Hasta ahora vengo manejando todo con un archivo Excel, pero ya me quedó chico. Necesito una Power App (preferiblemente model-driven) que me permita llevar el registro de mis clientes y sus pedidos, preparar las órdenes de compra a mis proveedores, y registrar los envíos que hago a los clientes (shipping log). Voy a compartir mi archivo Excel para que veas los datos que manejo actua...

    $155 Average bid
    $155 Snitt bud
    21 bud

    Necesito crear un flujo automatizado que recolecte información desde bases de datos académicas sobre un tema específico, valide su exactitud por comparación de fuentes múltiples y la guarde en una base SQL estructurada. Alcance • Desarrollar un script en Python que rastree, extraiga y normalice datos académicos. • Validar cada registro con cruces automáticos entre al menos dos fuentes para reducir errores. • Cargar los resultados –texto y números– en tablas claras, con claves primarias y relaciones bien definidas. • Generar reportes de control de calidad en Excel o Google Sheets que muestren discrepancias y registros pendientes de revisión. • Implementar un mecanismo de actualizaci&...

    $20 / hr Average bid
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    42 bud

    I recently moved our 20-year-old automotive forum from vBulletin 4 to XenForo and everything is running smoothly on CloudLinux v9.7.0. The last piece still stuck in the past is our Photopost gallery. All photos, captions and user comments sit in that ageing MySQL database, tied to the old vBulletin user table. I need those images living in a modern, fully supported gallery that: • keeps the same single-sign-on with XenForo users (no extra log-ins) • preserves existing photo comments and album structure • presents the pictures in a clean carousel / slideshow view I’m open to whichever tool makes the most sense—XenForo Media Gallery, an external PHP/SQL package, or another solution—as long as it installs cleanly on CloudLinux and has an active support c...

    $461 Average bid
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    296 bud

    I need expert guidance to install a database server on a Windows operating system. Key requirements: - Experience with Windows server environments - Advise and whats required to install Sequoia Server/ sofware. - Ability to provide clear, step-by-step installation instructions and best practices

    $189 Average bid
    $189 Snitt bud
    54 bud

    We are looking for a senior full-stack engineer to take ownership of several live products and Smart TV applications. This is a long-term, part-time role focused on maintenance, improvements, and occasional new features. Our Platforms � � � � Apps Samsung TV (Tizen) LG TV (webOS) Android TV Responsibilities Maintain and improve existing websites and admin dashboards Maintain backend services and APIs Bug fixing, performance improvements, and refactoring Maintain and update Samsung & LG TV applications Assist with app store submissions and updates Communicate clearly about progress and risks Tech Stack Frontend: JavaScript, React / Backend: Node.js, REST APIs Databases: SQL / NoSQL Smart TV: Samsung Tizen, LG webOS Android TV (strong plus) Streaming / IPTV experience is a big plus Requ...

    $21 / hr Average bid
    $21 / hr Snitt bud
    192 bud

    We are looking at consultant who has deep understanding of Oracle Finance, PPM, SCM APIs and their linkages with the functional modules and front end functionality

    $577 Average bid
    $577 Snitt bud
    17 bud

    I need a hands-on Salesforce Marketing Cloud specialist who can jump in immediately and handle three core areas for me: email campaign setup, automated journey creation, and data management/segmentation. I have a mix of brand-new campaigns to launch as well as several live programmes that need ongoing optimisation, so you’ll be switching between building fresh content and fine-tuning what’s already running. Scope of work • Email Studio: build responsive templates, load creative, configure dynamic content, and schedule sends. • Journey Builder & Automation Studio: create multi-step automations, triggered sends, and lifecycle journeys that run reliably without manual intervention. • Contact Builder & Segmentation: audit existing data extensions, w...

    $324 Average bid
    $324 Snitt bud
    15 bud

    I’m a concrete subcontractor who recently brought Trimble FieldLink into our workflow and now I need a focused trainer to get both my field crew and project managers up to speed. Scope of the sessions • Layout and Measurement – hands-on use of the RTS to stake footings, slabs, embeds and anchor bolts with live tolerances. • Point Creation and Management – building and editing point files directly from our Revit/CAD models and exporting accurate as-built data. • Software Integration & Data Management – smooth import / export between FieldLink, Tekla, Revit and our estimating database, plus naming conventions and file hygiene. Audience & format Field workers need practical job-site walkthroughs; project managers need the back-office wo...

    $58 / hr Average bid
    $58 / hr Snitt bud
    37 bud

    I’m standing up a brand-new business-intelligence stack in Snowflake and need a reusable migration framework built with dbt and solid SQL. The framework has to pull from two kinds of sources—existing relational databases and the steady stream of CSV/Excel flat files our teams export—then land, cleanse, validate, and automate each load all the way into analytics-ready tables. Here’s what I’m after: • A dbt project structured for easy extension, complete with models, seeds, macros, and tests that enforce data-quality rules at every stage. • Parameterised SQL and Snowflake tasks/procedures that orchestrate fully automated loads, from raw landing zones through staging to final marts. • Built-in monitoring and reporting—leveraging dbt tes...

    $23 / hr Average bid
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    103 bud

    Our live data sits in a PostgreSQL instance and some key queries are beginning to drag. I need you to step in, profile what is happening, and carry out light-touch changes that immediately tighten up performance while outlining any deeper work we should schedule later. During the engagement you will: • Capture the worst-offending queries, analyse execution plans, and benchmark current response times. • Review the existing schema and indexing strategy, then create or adjust indexes, vacuum/analyze settings, configuration parameters, and any other low-risk tweaks that deliver quick wins. • Produce a concise report that documents every change, the before-and-after metrics, and recommendations for larger refactors I can present to the wider team. All updates must be backwa...

    $21 / hr Average bid
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    75 bud

    I have an SSIS package that pulls data from an Oracle database through an connection and loads it downstream for ETL processing. The transfer works, but network-level performance is far below what I need. Here is what I’m looking for: • Diagnose the current ADO.NET-to-Oracle connection, identify any network, buffer, or packet-size bottlenecks, and benchmark the baseline throughput. • Tune the SSIS data flow (buffers, rows per batch, commit size, async settings, etc.) and, if necessary, adjust the Oracle driver or provider configuration. • Provide an updated package or detailed change list so I can reproduce the performance gains in other environments. • Produce a concise report summarizing findings, before-and-after metrics, and next-step recommendations....

    $161 Average bid
    $161 Snitt bud
    23 bud
    Payroll Processing App Development
    2 dager left
    Verifisert

    I want to build a payroll processing app for internal purposes only using: 1. Vercel → frontend + API 2. Supabase → database + auth + storage 3. Stripe → payments **Summary: The Essential Skill Set** Must know: ### **Languages** - TypeScript - JavaScript - SQL (Postgres) ### **Frontend** - React - - TailwindCSS ### **Backend** - Node.js - Supabase SDK - Stripe SDK ### **Security** - RLS - JWTs - Web security basics

    $190 Average bid
    $190 Snitt bud
    208 bud

    Título del proyecto Interoperabilidad Historia Clínica Electrónica – SQL Server 2008 / Access 2003 Descripción Busco freelance para adaptar un sistema de salud existente desarrollado en SQL Server 2008 (compatibilidad 80) y Access 2003, para cumplir la Resolución 1888 de 2025 (Colombia) sobre interoperabilidad de la Historia Clínica Electrónica (HCE). El desarrollo debe permitir generar y exponer el Resumen Digital de Atención en Salud (RDA) a partir de la información clínica ya almacenada, garantizando interoperabilidad con otros actores del sector salud. Alcance Construcción del RDA desde la base de datos actual. Formato interoperable (XML o JSON según lineamientos). Implementación de u...

    $209 Average bid
    $209 Snitt bud
    23 bud

    I need help moving structured information that currently sits inside a batch of Word files into my SQL database. Every document follows the same template—think headings like Name, Address, Reference ID, Dates, and a few numeric fields—so once you see one you’ll immediately understand the layout of the rest. The job is pure data extraction from documents. You’ll read each Word file, pull the fields exactly as they appear, and insert them into the SQL tables I’ll provide. I will supply: • a sample of the Word template • the SQL schema with column descriptions • a small set of completed rows so you can confirm formatting Accuracy is key; any typos or misplaced values will create reporting issues downstream. Please make sure each entry match...

    $18 / hr Average bid
    $18 / hr Snitt bud
    47 bud

    Job Description We are looking for an experienced Azure Data Engineer / Data Integration Specialist to design and implement a robust, scalable data pipeline that pulls data from the Blackbaud API and loads it into an Azure SQL Database using Azure Data Factory (ADF). The goal is to have a fully automated, secure, and monitored ETL pipeline that runs on a scheduled basis and supports future scaling. Project Scope 1. Data Ingestion Connect to Blackbaud REST APIs (OAuth authentication) Handle pagination, rate limits, and API throttling Extract multiple endpoints (e.g., constituents, gifts, transactions, etc.) 2. Data Transformation Clean, normalize, and structure raw API JSON Handle nulls, schema drift, and data type conversions Add audit fields (load date, source system, batch id) 3. Data Lo...

    $131 Average bid
    $131 Snitt bud
    69 bud

    I need a professional to create a modern and ATS-friendly resume and cover letter tailored for a mid-level Data Scientist position. Requirements: - Resume for IT/Data Science/Software field - Highlight my skills: Python, SQL, Power BI, Excel - Add internship/project details - Format should be clean, professional, and easy to edit - Delivery in Word and PDF Soft Skills to Emphasize: - Communication - Problem-solving - Teamwork Ideal Skills and Experience: - Proven experience in resume writing for tech roles - Familiarity with ATS requirements - Strong understanding of data science industry and job requirements - Excellent writing and formatting skills

    $2 / hr Average bid
    $2 / hr Snitt bud
    12 bud
    SAP B1-to-Tally Migration
    1 dag left
    Verifisert

    I need all core records—financial, inventory and sales—from our SAP Business One instance migrated into Tally Prime. This is a one-time move, not an ongoing sync, but the imported data must appear in Tally exactly as it does in SAP so the books tie out without manual adjustments. Because I’m not certain how much transformation or field mapping will be required, I’ll rely on your expertise with the SAP B1 DI-API/Service Layer and Tally Prime’s import utilities (XML, ODBC or any gateway you prefer) to identify gaps, create the mapping, and carry out the transfer end-to-end. If lightweight scripts, SQL queries or custom add-ons are needed, please include them and comment your code so I can maintain it later. Deliverables • Clean export from SAP B1 co...

    $310 Average bid
    $310 Snitt bud
    12 bud

    I want to create a custom open AI like Claude, ChatGPT,Gemini etc so I can use for my internal use where I just need to upload customer documents and AI will give full 6-7 pages colurful report with our company logo with below mentioned details Loan eligibilty Details in Tabular Form in Tabular Form documents form Filling Details queries based on Past queried data

    $135 Average bid
    $135 Snitt bud
    23 bud

    I want to create a custom open AI like Claude, ChatGPT,Gemini etc so I can use for my internal use where I just need to upload customer documents and AI will give full 6-7 pages colurful report with our company logo with below mentioned details Loan eligibilty Details in Tabular Form in Tabular Form documents form Filling Details queries based on Past queried data

    $164 Average bid
    $164 Snitt bud
    14 bud

    Recruiting EI conference paper writers. There are four research directions available, and scholars/professionals with research or writing experience in related are cordially invited to cooperate in completing paper writing and submission. The specific topics are as follows: of High-Skill Talent Profiles and Application of Knowledge Graphs for the Hydropower Industry on the Data-Driven Digital Transformation Path of Human Resource Management 3.FP-Growth-Based Intelligent Task-Talent Matching Method in Flexible Organizational Scenarios on Intelligent Evaluation Model of Employee Performance Based on Imbalanced Data Mining Applicants are requested to choose one direction according to their expertise and briefly the relevant research or writing experience. We look forward to cooperating ...

    $393 Average bid
    $393 Snitt bud
    68 bud

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