The ultimate guide to hiring a web developer in 2021
If you want to stay competitive in 2021, you need a high quality website. Learn how to hire the best possible web developer for your business fast.
Are you looking to ensure your software, application, or website is functioning at its best and providing an exceptional user experience? Then you need the services of a Testing / QA Specialist! Testing and Quality Assurance (QA) are essential steps in the software development process to make certain that everything is running smoothly, efficiently, and securely. A Testing / QA Specialist will verify that your product is not only free from defects, but also meets the highest standards of performance, usability, and reliability.
Here's some projects that our expert Testing / QA Specialists made real:
Freelancer.com is the perfect platform for hiring talented Testing / QA Specialists who can help take your project to the next level. These experts have successfully completed a wide variety of projects for clients all around the world. Their invaluable experience will undoubtedly contribute to the success of your project.
Why wait any longer? Post your project today on Freelancer.com and connect with highly skilled Testing / QA Specialists who are eager to help you achieve your goals. Let's work together to ensure that your software or application not only meets but exceeds expectations.
Fra 106,003 tilbakemeldinger, klienter rangerer våre Testing / QA Specialists 4.9 av 5 stjerner.Are you looking to ensure your software, application, or website is functioning at its best and providing an exceptional user experience? Then you need the services of a Testing / QA Specialist! Testing and Quality Assurance (QA) are essential steps in the software development process to make certain that everything is running smoothly, efficiently, and securely. A Testing / QA Specialist will verify that your product is not only free from defects, but also meets the highest standards of performance, usability, and reliability.
Here's some projects that our expert Testing / QA Specialists made real:
Freelancer.com is the perfect platform for hiring talented Testing / QA Specialists who can help take your project to the next level. These experts have successfully completed a wide variety of projects for clients all around the world. Their invaluable experience will undoubtedly contribute to the success of your project.
Why wait any longer? Post your project today on Freelancer.com and connect with highly skilled Testing / QA Specialists who are eager to help you achieve your goals. Let's work together to ensure that your software or application not only meets but exceeds expectations.
Fra 106,003 tilbakemeldinger, klienter rangerer våre Testing / QA Specialists 4.9 av 5 stjerner.Job Description: We’re looking for a skilled and detail-oriented QA tester based in South Africa to help us test the API functionality of our payin and payout systems. You will play a key role in validating the reliability and accuracy of our payment processes, ensuring everything runs smoothly from start to finish. Scope of Work: * Conduct end-to-end testing of API-based payin and payout transactions * Monitor and record the full transaction process, including responses and behavior at each stage * Identify and report bugs or unexpected results with clear documentation * Work closely with developers to replicate issues and verify fixes * Offer suggestions to improve testing coverage and process reliability Requirements: * Must be physically located in South Africa (for regional ...
I need a screw compressor test rig designed for Bearing performance testing. The rig should measure pressure levels, flow rates, and temperature changes. It should accommodate medium-scale compressors, with a capacity between 1 bar and 7 bar pressure ratios. Key Requirements: - Design and construction of a test rig - Performance testing capabilities - Measurement of pressure, flow, and temperature - Suitable for medium-scale compressors Ideal Skills & Experience: - Experience with compressor testing systems - Knowledge of pressure, flow, and temperature measurement instruments - Mechanical engineering background - Familiarity with safety standards in testing environments Please provide a detailed proposal with your approach, timeline, and relevant experience.
I’m preparing to launch a new e-commerce site and need a fresh, methodical set of eyes to make sure everything works flawlessly and feels intuitive before we go live. The job is a full-scale quality-assurance sweep combined with a usability audit and clear bug reporting. Scope The store must run perfectly on desktop, mobile, and tablet. I’m particularly concerned with three pillars during testing: • Functionality – every link, button, form, cart action, payment flow, signup, and email trigger. • Performance – load times, asset optimisation, responsive behaviour, and any rendering glitches. • Security – obvious vulnerabilities, mixed-content warnings, insecure cookies, or anything that could jeopardise customer data. Deliverables 1. A...
Description We are building a network of specialists who help validate and improve the reliability of enterprise AI systems. Our company, , works with organisations deploying AI assistants and knowledge systems powered by large language models and RAG (Retrieval-Augmented Generation). Your role will be to review AI responses, detect hallucinations, validate grounding against source material, and help create evaluation datasets. This is not model development. This role focuses on AI quality assurance and validation. Responsibilities • Review LLM responses for factual accuracy • Identify hallucinations and fabricated references • Verify whether answers are grounded in provided documents • Detect retrieval vs generation failures in RAG systems • Score responses...
A full-scope penetration test is required on my production web application with special attention paid to authentication and authorization workflows, input validation and sanitization routines, session management, and any additional vectors you deem necessary for a modern OWASP-aligned assessment. Automated scanning is welcome, yet the emphasis should remain on thorough manual exploitation using tools such as Burp Suite, Kali Linux, or equivalents, so that business-logic flaws are uncovered alongside technical ones. Please include a redacted sample or concise summary of past work that demonstrates report structure, depth of findings, and remediation guidance. No other application materials are necessary at this stage. Deliverables expected: • An executive summary and detailed ...
我需要你针对一款 Android 手机应用进行全面测试,重点放在以下三项核心功能: - 登录/注册流程 - 支付系统(含支付成功与失败场景) - 通知功能(前台、后台与推送到锁屏) 测试场景 1. 常见机型与操作系统版本:请覆盖主流 Android 版本,记录兼容性差异。 2. 网络环境:4G/5G、Wi-Fi 与弱网情况下的表现。 3. 边缘情况:连点、切后台、权限被拒绝、电量不足等极端操作。 交付内容 • 一份结构化的缺陷报告(含可复现步骤、截图或录屏、机型与系统信息)。 • 功能通过的用例列表及测试结果。 • 关键问题的初步复现分析与改进建议。 如果你拥有丰富的移动端 QA 经验,能熟练使用常见 bug 追踪工具(如 Jira、Bugly 或 TestRail),并且乐于提出改进思路,我期待与你合作。
Sounds fun? I'm looking to hear about your real life embarassing incidents that happened anything from house dress, issues faced, exposing issues etc. You should be good enough talking about your personal dressing experiences in an honest and relaxed way. Requirements: Comfortable discussing about your dress experiences Able to communicate clearly in English NOTE: AI-generated bids and messages will be ignored.
Job Title Mobile Network Testing Support (Bangladesh – Robi Network) Job Description We are looking for a reliable freelancer based in Bangladesh to assist with mobile network quality and security testing on the Robi network. This role involves supporting the setup and maintenance of Android devices used for testing incoming SMS and voice OTP delivery performance. All testing is conducted for network quality analysis, service reliability, and security (anti-fraud) evaluation purposes. Scope of Work - Assist with handling up to 3–5 Android devices (devices can be provided or discussed) - Install our testing application (simple guided setup) - Insert SIM cards and ensure they are properly detected Keep devices: - Connected to Wi-Fi - Connected to power - Online and operati...
I need twelve Android users to help me measure how my app affects battery life during heavy, real-world use over a 14-day window. The sole focus is performance, specifically battery usage when the phone is under high-usage pressure—think continuous video streaming, navigation, gaming, or other power-hungry tasks. What you’ll do • Install the latest build from Google Play (link provided after hire). • Use the app for at least two hours each day while your device is already running another intensive activity. • Capture screen recordings or annotated screenshots that show battery percentage at the start and end of every session. • Export Android battery stats and simple logcat excerpts once daily (I’ll share clear, step-by-step instructions&mdash...
**Weekly Budget:** $15.00 – $30.00 USD **Engagement:** Ongoing, Daily Cadence, Weekly Payout (1 weekly milestone created; and released once the deliverables, if any, for the week are provided.) **Location:** Remote **Time Requirement:** This project will require 15+ hours each week. ### **Overview** EV Poker is the "Information Utility" for the poker world. We are seeking an **Operations Specialist** who is obsessed with data integrity and market outreach. You will be the engine that keeps our platform accurate and our growth funnel full. This isn't just about checking boxes; you are the first line of defense for our product quality and the primary driver of our lead generation strategy. --- ### **Key Responsibilities** #### **1. Promotion & Data Management...
I'm seeking an experienced developer to create an algorithmic trading bridge connecting TradingView and AmiBroker. The bridge should support real-time data synchronization, automated trade execution with 5 brokers ,and copy trading, marketplace, and robust error handling and logging. Additionally, it should facilitate a trading marketplace and support various trading strategies, including scalping, swing trading, and arbitrage. Key Requirements: - Connect TradingView and AmiBroker - Real-time data sync - Automated trade execution - Error handling and logging - Support for multiple trading strategies - Development of a trading marketplace - Copy trading - Market Place Ideal Skills and Experience: - Proficiency in trading platforms, especially TradingView and AmiBroker - Strong backgro...
Project Description: In this project, you have to build the app in 5 different consoles and make it live. इस प्रोजेक्ट में आपको 5 अलग-अलग कंसोल में ऐप बनाना होगा और उसे लाइव करना होगा। I am looking for a professional and experienced app developer who can develop my Android app and successfully testing and publish it on Google Play Store by strictly following all Google Play Console policies, terms, and conditions. This will be my first app on Google Play Store, so policy compliance, clean code, and proper guidance are extremely important. Scope of Work: Develop a fully functional Android app Ensure 100% compliance with Google Play policies, including: User Data & Privacy Policy Permissions policy Data Safety form Ads policy (if ads are used) Content & UI guidelines Cre...
I need my client-facing web application put through a full round of manual testing. The goal is to surface every functional, usability, and cross-browser issue that might appear before launch. Scope • Browsers: Google Chrome, Mozilla Firefox, and Safari on the latest public releases for macOS and Windows. • Coverage depth: core workflows, edge-case inputs, responsive behaviour, error handling, and visual consistency. Deliverables 1. A test plan outlining scenarios, steps, and expected results. 2. Executed test cases with pass/fail status, supporting screenshots or screen recordings for any defect. 3. A consolidated defect log that categorises issues by severity and includes clear reproduction steps. 4. A brief summary report highlighting critical blockers, usability...
Sounds fun? I'm looking to hear about your real life embarassing incidents that happened anything from house dress, issues faced, exposing issues etc. You should be good enough talking about your personal dressing experiences in an honest and relaxed way. Requirements: Comfortable discussing about your dress experiences Able to communicate clearly in English NOTE: All A- generated bids and messages will be ignored.
I need an experienced security expert to evaluate the network layer of our multiplayer game infrastructure. This evaluation is limited to penetration testing and does not include reverse engineering or anti-cheat development. The evaluation must cover three core activities: port scanning (mapping all exposed services), vulnerability scanning (identifying exploitable weaknesses), and intrusion detection testing (evaluating the responsiveness of our current monitoring systems to actual attack patterns). Vulnerability reproduction needs to be written into a simple user interface script. You will be using a test copy of the production environment for the evaluation, which includes the login server, matchmaking server, and in-game transaction server. Upon completion of the testing, I expect to...
I need a detail-oriented QA professional to run thorough manual tests on my web application exclusively in Google Chrome. My main priorities are verifying core functionality and ensuring the user interface displays and behaves exactly as intended. I will supply a full set of use-case scripts that outline each scenario to be exercised. Your job is to work through them methodically, note any defects or inconsistencies, and suggest UI improvements where appropriate. Please capture issues with clear reproduction steps, expected vs. actual results, screenshots (and brief screen recordings when visuals are key), then group them logically so my dev team can address each item quickly. Deliverables • Complete bug report (spreadsheet or Jira ticket export) • Screenshot / video eviden...
"} Looking for people in Orlando to test a ride app. Task: - Install the app - Request 1–2 rides - Take screenshots - Send quick feedback Time: 30 mins Pay: $20–$35 per person Must be in FL Orlando
QA Manual Tester needed to check bugs for our site Vidthanks.com. Do Not contact us outside of Freelancer. Set up bugbug for test scenarios. Help us build a test plan and be our test contractor for a long term relationship. The site is in development and ready for some testing now. .To be short listed, you must start your bid with "PROJECT ID: QA55" Otherwise we assume you are a bot or you cant follow simple instructions.
We are a startup working on a highly confidential and private internal project. Due to the sensitive nature of this initiative, we require a highly experienced Cybersecurity Specialist with strong expertise in advanced security testing and simulation techniques. This is not a basic vulnerability scanning or standard assessment role. We need an expert capable of performing comprehensive, advanced-level security testing against robust environments while maintaining complete confidentiality. Project Duration: 2 to 3 months (possible extension based on project needs) Compensation: ₹3,00,000 per month (premium budget for the right expert with proven advanced skills) Key Requirements: 5+ years of hands-on experience in advanced cybersecurity testing and security operations Must hold advance...
I need a skilled QA specialist to test, refine and deploy a web application. Requirements: - Test on Chrome and Safari - Perform functional, performance, and security testing Ideal Skills: - Experience with web app QA - Proficient in testing on multiple browsers - Strong background in functional, performance, and security testing - Familiar with deployment processes Looking for someone detail-oriented, with a track record of ensuring high-quality software.
Part-Time US Tester Needed – Short-Term Router Compatibility Test We are looking for short-term part-time testers located in the US to conduct router compatibility testing on home broadband networks. Requirements: Currently reside in the US Have stable home broadband service (Spectrum, Comcast, AT&T preferred) Able to follow test instructions and provide feedback Willing to allow occasional remote access for log analysis and troubleshooting Basic network operation skills What we provide: Test units will be shipped directly to you Clear test guidance Remote support from our R&D team Job Content: Complete router setup and broadband dial-up tests Conduct speed and network stability tests Assist with remote log checks when needed Submit test results, screenshots and simple record...
Project Overview: We are looking for a reliable freelancer based in Bangladesh to support us with Robi SIM card procurement and optionally assist with mobile network testing activities. This project can be structured in two ways depending on your availability: SIM Procurement Only (one-time task) SIM Procurement + Testing Support (short-term or ongoing engagement) Scope Option 1: SIM Procurement (Required) Procure Robi prepaid SIM cards (initial batch of at least 4, with potential for more) Ensure all SIM cards are: Legally purchased Properly registered in line with local regulations Activated and ready for standard mobile usage (SMS and voice) Share SIM details and confirm readiness Note: The SIM cards will be used strictly for network performance testing purposes for telecommunicatio...
Project Description: We are looking for a reliable freelancer based in Bangladesh to support an ongoing project involving procurement and setup of Robi prepaid SIM cards. The requirement is approximately 100 SIM cards per month, which must be: Legally purchased Properly registered in accordance with local regulations Activated and ready to receive standard mobile services (SMS and voice) The SIM cards will be used for network performance testing and service monitoring for telecommunications clients. All usage will be compliant with local regulations and operator policies, and no unauthorized or abusive traffic will be generated. After delivery, the SIM cards will need to be inserted into Android devices, where a simple application will be installed. The app automatically collects tech...
Job Title Robi SIM Procurement & SMS Testing Support (Bangladesh) Project Overview We are looking for a reliable freelancer based in Bangladesh to support us with Robi SIM card procurement and optionally assist with short-term and ongoing SMS routing testing on the Robi network. This project has two possible scopes depending on your availability: SIM Procurement Only (one-time task) SIM Procurement + Testing Support (short-term or up to 1 month+ engagement) Scope Option 1: SIM Procurement (Required) Procure Robi SIM cards (minimum 4, potentially more) Ensure SIMs are: Properly registered and activated Able to receive SMS and voice Share SIM details and confirm readiness for testing Important: The SIM cards will be used only for Robi network testing of incoming traffic (OTP/SMS/v...
I need 12 testers for an Android app. Our priority is ensuring app stability, specifically focusing on crash issues. Ideal Skills & Experience: - Experience with Android app testing - Familiarity with testing tools and reporting - Attention to detail - Ability to provide clear feedback and logs Looking for dedicated testers to help us deliver a stable product.
I’m assembling a pool of twenty genuine Android users who can complete a round of functional testing on our mobile app within the next fourteen days. Each tester will receive the latest build, a set of clear test scenarios, and access to our bug-tracking board. What I expect from every tester: • Run all assigned functional scenarios on at least one real Android device (no emulators). • Log reproducible defects with step-by-step notes, screenshots or screen-recordings, and device details. • Submit a concise daily progress update so I can keep the schedule on track. When the two-week window closes I’ll need a final summary from each of you that highlights critical issues and any patterns you noticed. If you have experience with tools like Jira, TestRai...
I'm seeking an experienced robotics engineer to finalize the development of a consumer robotics product. The project is based in West Chester, PA. Key Requirements: - Experience with consumer robotics - Expertise in final product development - Strong problem-solving skills - Ability to work collaboratively Ideal Skills: - Robotics engineering - Software and hardware integration - Experience in testing and validation MUST BE Philadelphia Area Please provide a portfolio showcasing relevant work.
I’m assembling a pool of twenty genuine Android users who can complete a round of functional testing on our mobile app within the next fourteen days. Each tester will receive the latest build, a set of clear test scenarios, and access to our bug-tracking board. What I expect from every tester: • Run all assigned functional scenarios on at least one real Android device (no emulators). • Log reproducible defects with step-by-step notes, screenshots or screen-recordings, and device details. • Submit a concise daily progress update so I can keep the schedule on track. When the two-week window closes I’ll need a final summary from each of you that highlights critical issues and any patterns you noticed. If you have experience with tools like Jira, TestRai...
Job Description: We’re looking for a skilled and detail-oriented QA tester based in Tanzania to help us test the API functionality of our payin and payout systems. You will play a key role in validating the reliability and accuracy of our payment processes, ensuring everything runs smoothly from start to finish. Scope of Work: * Conduct end-to-end testing of API-based payin and payout transactions * Monitor and record the full transaction process, including responses and behavior at each stage * Identify and report bugs or unexpected results with clear documentation * Work closely with developers to replicate issues and verify fixes * Offer suggestions to improve testing coverage and process reliability Requirements: * Must be physically located in Tanzania (for regional payment ...
Job Title SIM Card Procurement Specialist (Cambodia – Smart Network, Security Testing) Project Overview We are looking for a reliable freelancer based in Cambodia to support us with Smart network SIM card procurement for mobile network security and antifraud testing. This is a procurement-only project with potential for future collaboration if needed. Scope of Work: Procure Smart (Cambodia) SIM cards only Ensure SIMs are: Properly registered and activated Able to receive SMS and voice Confirm that SIM cards are functioning correctly on the Smart network Share required SIM details and confirm readiness for testing Important Usage Note: The SIM cards will be used strictly for mobile network testing purposes, focused on: Security analysis Antifraud testing OTP/SMS delivery validati...
Virtual assistance for testing in Czech Republic Only for residents! We are looking for a QA specialist, a virtual assistant or a data scraper based in Czech Republic for fix price based cooperation on mobile applications. The ideal candidate must be detail-oriented, reliable, and able to strictly follow the provided instructions. No special skills are required to complete the testing
I need twelve Android users to help me measure how my app affects battery life during heavy, real-world use over a 14-day window. The sole focus is performance, specifically battery usage when the phone is under high-usage pressure—think continuous video streaming, navigation, gaming, or other power-hungry tasks. What you’ll do • Install the latest build from Google Play (link provided after hire). • Use the app for at least two hours each day while your device is already running another intensive activity. • Capture screen recordings or annotated screenshots that show battery percentage at the start and end of every session. • Export Android battery stats and simple logcat excerpts once daily (I’ll share clear, step-by-step instructions&mdash...
I’m updating the quiz page on my corporate website and need a developer who can focus strictly on functionality. The current layout is fine; what I’m after is smoother logic, faster load times, and reliable scoring/answer tracking so visitors can complete the quiz without hiccups and I can easily see their results on the back end. Here’s what I expect: • Clean, well-documented code that plugs into my existing tech stack. • A fully tested quiz flow—questions, branching, scoring, and result display must all work flawlessly on desktop and mobile. • Any new scripts or APIs incorporated without disrupting the rest of the site. Once you’re done, I’ll run a final user test; if everything passes (no console errors, accurate scoring, and ...
I need a thorough functional test of my Android expense management app "MTracker" available on Google Play Store (). The app includes: Adding/editing income and expense transactions Debt tracking (lending/borrowing money to/from people) Self-transfers between own accounts (bank to wallet, cash to bank, etc.) Recurring transactions (monthly EMIs, subscriptions, bills) with auto-generation Monthly and yearly summary reports Transaction search and filtering Bill/receipt attachment to transactions Reminder system to verify transactions against bank statements Cloud sync across multiple devices User registration, login, and subscription flow What I need: Test every feature end to end on a real Android device Try edge cases — empty fields, large amounts, special characters, qu...
I operate a live online betting platform and want a qualified ethical hacker to run a full-scale penetration test against the public-facing web application. The priority is website & application-level weaknesses, so I expect you to probe everything users can touch: signup, log-in, wallets, odds display, live bets, admin panels behind authentication—every feature that might be exploited. Please include the usual suspects—SQL injection, XSS, CSRF, IDOR, authentication bypass, file upload issues, business-logic flaws—essentially the OWASP Top 10 and anything else you uncover during your manual and automated reconnaissance. Black-box testing is preferred at first; if you later need limited credentials for deeper inspection we can arrange that. Deliverables I need: &bull...
If you want to stay competitive in 2021, you need a high quality website. Learn how to hire the best possible web developer for your business fast.
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