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7,3
7,3
96%
Thessaloniki, Greece
$32 USD per time
Mostly interested and motivated in parallel computing ( OpenCL/CUDA/Multithreading etc.) on concepts around Cryptography, DSP, DIP or other algorithmic fields that can be enhanced with such techniques. I also had experience from academic years in the usage of libraries targeted for fast GPU development like Cublas/CuFFT/Thrust. In this platform I have gained experience in Web API development, mainly with Python tools and generally in other kind of web apps and automations. A big and important part of the work here is with trading automation, over the last 7 years I have worked with any kind of trading instruments in the US market Options, Futures, FX and even crypto stuff. I have mostly developed for Interactive Brokers and other platforms Other objective is to expand my experience in other software development areas. Open to the opportunity of contributing to interesting open-source projects.
7,5
7,5
99%
Aachen, Germany
$35 USD per time
I'm an independent software developer with a Master’s in Software Engineering. I personally code every project, never outsourcing or using middlemen. Skilled in Ruby on Rails, TypeScript, ReactJS, and Elixir, I deliver robust, scalable solutions. Ready to start immediately, I ensure high-quality, tailored results with direct collaboration.
8,1
8,1
99%
Kurrajong, Australia
$35 USD per time
G'day! I'm Brett, a full-stack developer with 20+ years of hands-on experience in website design, development, mobile & desktop app development, hosting, AI-driven automation, and advanced Excel-based data and financial solutions. I went through all levels of verification by Freelancer staff providing you with reassurance that I am one of the top developers on Freelancer. I build reliable, scalable websites and applications, and I help businesses use AI in a practical way — automating repetitive work, improving customer experience, and making systems smarter without unnecessary complexity. My core tech stack includes PHP, JavaScript, Python, C/C#, and Java, along with modern frameworks, AI, APIs, and industry-standard tools. What I Do 1. Website Design Figma, PSD, and Adobe XD to Responsive Layouts using CSS, Bootstrap, Tailwind CSS 2. WordPress - Custom themes & plugins - ACF, Gutenberg, Elementor, Divi, Beaver Builder, Oxygen, WPBakery - Advanced custom forms (Gravity Forms, WPForms, Contact Form 7) 3. Website & Application Development 3.1 Next.js & Modern Web Apps - Next.js websites and applications - Server-side rendering (SSR) & API integrations - Secure, scalable architecture 3.2 Front-End - HTML, CSS, JavaScript, jQuery - React.js, Angular, Vue.js, MUI - Bootstrap, Tailwind CSS 3.3 Back-End - Node.js (Express) - PHP (Laravel, Symfony, CodeIgniter, Yii, Zend) - Python (Django, Flask, FastAPI) - C# (.NET, .NET Core) 3.4 Full-Stack - MERN & MEAN stacks - Secure APIs, authentication & integrations 4. AI & Automation - AI chatbots and assistants for websites & internal tools - OpenAI / LLM integrations (chat, content, data processing) - Smart search, filtering & AI-powered features 5. E-commerce - WooCommerce, Shopify, Magento, Prestashop, OpenCart - Custom features, integrations & performance optimisation 6. Mobile App Development (Flutter & React Native) - Cross-platform mobile app development for iOS and Android - API integration (REST, GraphQL, Firebase, etc.) - Push notifications, authentication, payments & third-party services 7. Desktop Application Development (Electron) - Cross-platform desktop apps for Windows, macOS, and Linux using Electron - Building modern, responsive desktop UI using HTML, CSS, JavaScript, React, and Node.js - API integrations for cloud-connected desktop tools 8. Excel & Finance Automation - Advanced Excel solutions (formulas, pivot tables, dashboards) - Financial modelling, forecasting & reporting tools - Data cleaning, transformation & analysis - Automation using Excel, Google Sheets & scripts (VBA / Python) - Integration with APIs, CRMs, and business systems for real-time reporting 9. Hosting & Deployment - Hosting setup, optimisation & security - Ongoing maintenance and support I'm online pretty much 24x7 so you're never going to wait long for an answer. I'm easy to chat to and extremely keen to achieve a 5/5 result for both sides, get in touch.
7,7
7,7
100%
Al-Obour, Egypt
$125 USD per time
🚀 𝗦𝗘𝗡𝗜𝗢𝗥 𝗦𝗢𝗙𝗧𝗪𝗔𝗥𝗘 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗘𝗥 | 𝗟𝗔𝗥𝗔𝗩𝗘𝗟 • 𝗣𝗛𝗣 • 𝗣𝗬𝗧𝗛𝗢𝗡 • 𝗔𝗨𝗧𝗢𝗠𝗔𝗧𝗜𝗢𝗡 ✅ 200+ Successfully Completed Projects 🏆 7+ Years of Professional Experience 🌟 Officially Ranked as a Top 3% Freelancer on Freelancer.com 💯 100% Job Completion Rate 🎖️ 1MAC Certified ⭐ 𝗣𝗿𝗼𝘂𝗱𝗹𝘆 𝗕𝗮𝗰𝗸𝗲𝗱 𝗯𝘆 𝗥𝗲𝗮𝗹 𝗖𝗹𝗶𝗲𝗻𝘁 𝗥𝗲𝘃𝗶𝗲𝘄𝘀 & 𝗟𝗼𝗻𝗴-𝗧𝗲𝗿𝗺 𝗧𝗿𝘂𝘀𝘁 👇 𝗦𝗰𝗿𝗼𝗹𝗹 𝗗𝗼𝘄𝗻 𝗧𝗼 𝗦𝗲𝗲 𝗧𝗵𝗲𝗺 ━━━━━━━━━━━━━━━━━━━ 💼 𝗠𝗬 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 🌐 Custom Web & Enterprise Application Development 📱 Android & iOS Mobile App Development 🧠 AI Development, RAG Systems & Intelligent Agents 🤖 Automations, Bots & Workflows 📊 Dashboards, Admin Panels, ERP & CRM Systems 🔗 API & Third-Party Integrations 💳 Payment Gateway Integration 🕷️ Web Scraping & Data Extraction 🐍 Python Development & Scripting 🔌 Custom Plugin Development 📡 IoT, Bluetooth & Microcontroller Systems ━━━━━━━━━━━━━━━━━━━ 💡 𝗪𝗛𝗔𝗧 𝗦𝗘𝗧𝗦 𝗠𝗘 𝗔𝗣𝗔𝗥𝗧 🎖️ 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹𝗶𝘀𝗺 & 𝗖𝗼𝗺𝗺𝗶𝘁𝗺𝗲𝗻𝘁 I value professionalism, clear communication, and delivering results on time. Every project is handled with dedication, responsibility, and attention to detail to ensure a smooth and stress-free experience for my clients. My goal is not only to meet expectations, but to exceed them through quality work, reliability, and long-term support. 🎯 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 & 𝗣𝗿𝗲𝗰𝗶𝘀𝗶𝗼𝗻 As a Senior Software Developer, I build high-quality, scalable, and reliable solutions with strong attention to detail, performance, and clean architecture. Every project is developed with precision to ensure flawless execution and long-term maintainability. 🤝 𝗘𝘁𝗵𝗶𝗰𝘀 & 𝗧𝗿𝗮𝗻𝘀𝗽𝗮𝗿𝗲𝗻𝗰𝘆 Trust, honesty, and transparency are the foundation of my workflow. I only accept projects that fall within my expertise to ensure realistic expectations, efficient communication, and successful delivery without wasting your time or budget. 🚀 𝗙𝘂𝘁𝘂𝗿𝗲-𝗣𝗿𝗼𝗼𝗳 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 I don’t just write code for today, I create scalable systems designed to evolve with your business. My goal is to deliver software that remains modern, maintainable, and easy to upgrade in the future. 💡 𝗜𝗻𝗻𝗼𝘃𝗮𝘁𝗶𝗼𝗻 & 𝗖𝗿𝗲𝗮𝘁𝗶𝘃𝗶𝘁𝘆 ✔ Unique Algorithms & Smart Functionality ✔ Creative Solutions That Add Business Value ✔ Modern Technologies & Industry Best Practices ✔ Competitor Research & Innovation-Focused Development 🛠️ 𝗥𝗲𝗹𝗶𝗮𝗯𝗹𝗲 𝗔𝗳𝘁𝗲𝗿-𝗦𝗮𝗹𝗲𝘀 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 My support continues after project completion. Whether you need improvements, fixes, upgrades, or additional features, I’m always available to help keep your software optimized and up to date. ━━━━━━━━━━━━━━━━━━━ 🚀 𝗟𝗘𝗧’𝗦 𝗕𝗨𝗜𝗟𝗗 𝗦𝗢𝗠𝗘𝗧𝗛𝗜𝗡𝗚 𝗘𝗫𝗖𝗘𝗣𝗧𝗜𝗢𝗡𝗔𝗟 I’m passionate about transforming ideas into powerful digital solutions that help businesses grow and stand out. 📩 Let’s discuss your project and turn your vision into reality.
5,6
5,6
96%
Karachi, Pakistan
$20 USD per time
Our top notch technical resources coupled with a culture of innovation allow us to collaborate and innovate alongside our clients, in order to develop unique business solutions for end users and for our clients target markets. Our main objective is providing only high quality and bug free programming. Be sure that we will find the best solution for you - fast and efficiently.. All your wishes and needs will be taken into account, understood and analyzed as well. Fast turnaround time without any compromise on quality is guaranteed. When you love what you do it hardly feels like work. We don't believe in appearances by themselves if they don't come together with a concept applied to a specific objective. We build a unique idea that suits your needs and encourages your customers to do business with you. Area of Expertise Design: ----------- Logo Design Banner Design Facebook covers Stationary design Website Design Illustrations Development: --------------------- Web Development E-Commerce Web Development (which includes WordPress, shopify, joomla, nopCommerce and other online platforms) Software Development Enterprise Solution Development Mobile Application Development Desktop Application Development Software Utilities Marketing & Advertising -------------------------------------- Pay Per Click Advertising (Specialized in Google Ads & Facebook) Search Engine Optimization Email Marketing Content Writing ------------------------------ Web Content Writing E-Book Writing Services Our main objective is providing only high quality, bug free and innovative solutions. Our team is very experienced. Quality work is guaranteed from our end.
5,6
5,6
100%
Świerzowa Polska, Poland
$18 USD per time
I am an experienced programmer. I have delivered over 200 projects, and I would be happy to assist you. FREE PROJECT VALUATION I support small and large projects. Provide a detailed description of your requirements. I will find a suitable solution. MY PORTFOLIO ON YOUTUBE Copy and paste the following link into your browser after youtube DOT com /playlist?list=PL6ZCpobLtKdFF86ku-VHp0ws2SMa5Dy86 MY FIELDS OF EXPERTISE: - PHP, - C, - C++, - C#, - Java, - Python, - JavaScript, - HTML, - CSS, - SQL, - OpenGL, - WebGL, - Arduino. CONTACT Each project is valued individually. Send your requirements today using freelancer.com I am ready to discuss your project and help you succeed. Looking forward to working with you Lucas
6,3
6,3
92%
Graz, Austria
$100 USD per time
Data is beautiful. Solutions for your business deserve to be caringly designed, reflecting the dedication that only a software engineer in love with their work can create. True engagement yields inspirational ideas which continue to resonate with an audience over time. Creating powerful data analysis solutions is it's own reward. Simplicity is central to engaging and impactful visualisations. The most noteworthy ideas have the largest impact through their clarity and succinct ability to communicate effectively. A truly dedicated software engineer will provide consistently reliable client support over time. A client encountering problems with a software even three years after its delivery should be able to receive the support to fix the problem permanently. A passionate engineer should listen, empathise and provide a long term solution instantly. This true story exemplifies the importance of long-term client support that I aspire to and continue to deliver.
6,6
6,6
98%
Shenzhen, China
$168 USD per time
Started working at embedded Linux C/C++ software development since 2005, and Android development since 2009, over 10 years of Linux working experiences. I'm exceptional excellent at C/C++/Go, and Android Java, having rich development experiences in system components, frameworks/libraries, apps,games. I'm using Linux and Emacs mostly, and having wide range of skills, e.g. HTTP/CGI in Golang, 2D graphics in skia/cairo, Qt, Gstreamer for videos, Gaming with Cocos2d-x, Box2D, Bullet, OpenGL, Linux system administrator, open source project porting, lexical parsing (like parsing a language). I'm working on hourly basis, no more fixed budget now. The rate is negotiable base on the project.
An OpenCL developer is a software engineer who writes parallel computing code using the Open Computing Language framework to accelerate applications across CPUs, GPUs, FPGAs, and other heterogeneous processors. Hiring an experienced OpenCL developer gives your project access to high-performance kernels that can shorten compute-heavy workloads from hours to minutes, which directly affects product viability in fields like scientific computing, computer vision, and financial modeling.
OpenCL remains one of the few cross-vendor parallel programming standards, supported by AMD, Intel, NVIDIA, ARM, and various FPGA vendors. A skilled OpenCL programmer translates serial algorithms into parallel kernels, manages memory transfers between host and device, and squeezes maximum throughput out of available hardware without locking your codebase to a single vendor.
An OpenCL freelancer produces production-ready parallel code that runs efficiently on diverse hardware. Their work is measured in benchmarks, profiler output, and stable execution across target devices.
OpenCL development is in steady demand wherever workloads are embarrassingly parallel or compute-bound. The framework's portability makes it especially attractive for products that must ship to customers running mixed hardware.
OpenCL rarely lives in isolation. Strong candidates show fluency with the surrounding ecosystem of compilers, profilers, and parallel computing frameworks.
Parallel programming is a specialized field. Look for candidates who can talk concretely about memory hierarchies, work-group sizing, and the tradeoffs between occupancy and register pressure. Strong evidence includes published kernels on GitHub, contributions to scientific software, performance comparisons against baseline implementations, and experience targeting more than one vendor's hardware.
A useful interview round combines architectural questions with a small kernel-writing exercise. Sample questions you can copy directly:
Freelancer.com gives you direct access to a global pool of parallel computing specialists, from independent GPU programmers to senior engineers with FPGA and HPC backgrounds. You can post a project on Freelancer.com and receive competitive bids within hours, comparing proposals from developers who have shipped real OpenCL code in production.
Because freelancers on Freelancer.com set their own rates and you control the budget, you can match the level of expertise to the complexity of your kernel work. Profile reviews, completed project counts, and verified payment methods give you the signals needed to choose confidently. Milestone Payments hold funds in escrow until you approve deliverables, which is particularly useful for performance-sensitive work where acceptance is tied to measurable benchmarks.
Hiring an OpenCL developer is straightforward when your brief is technically specific. Parallel programming work is judged on measurable performance, so the more precise you are about target hardware, input data, and acceptance criteria, the stronger the bids you will attract. The process below walks you through posting, reviewing, and awarding the project.
Your project post is the single biggest determinant of bid quality. A clear brief filters for OpenCL programmers whose experience genuinely matches your workload, and it prevents wasted cycles on misaligned proposals. Head to the
Bids are short proposals, not just price quotes. A strong OpenCL developer will signal understanding of your problem in the first few sentences, often by raising a clarifying question about memory layout, work-group sizing, or device targets. Read each proposal carefully and shortlist freelancers whose interpretation of the brief matches what you actually need built.
The final decision combines proposal quality with profile evidence. For OpenCL work, you want consistency across multiple parallel computing projects rather than a single impressive one-off. Pay attention to written client reviews that mention measurable speedups, code quality, and whether deliverables ran cleanly on the client's hardware.
CUDA is NVIDIA-only, while OpenCL is an open standard that runs on GPUs, CPUs, and FPGAs from multiple vendors. An OpenCL developer is the right hire when you need cross-platform support; a CUDA developer is preferable when you have committed to NVIDIA hardware and want access to NVIDIA's proprietary libraries.
Yes. Many OpenCL projects are short, focused engagements such as porting a single algorithm, profiling an existing kernel, or improving throughput on specific hardware. Define the input code, target devices, and performance goal in your brief and you will receive bids scoped to that deliverable.
Timelines vary widely. A targeted kernel optimization can take a week or two, while porting a large simulation codebase from serial C++ to OpenCL with full validation and benchmarking can run several months. Sharing your existing code and target hardware up front helps freelancers give realistic estimates.
OpenCL remains a solid choice for portable compute, especially on FPGAs and embedded platforms. SYCL and Vulkan compute are newer alternatives, and many OpenCL developers also work in those ecosystems. Discuss your platform targets with shortlisted candidates, since the right answer depends on your hardware and longevity requirements.
For a defined kernel, library, or porting task, a single experienced OpenCL freelancer is usually enough. If your project involves cluster-scale computing with MPI, distributed storage, and infrastructure design, you may want to combine an OpenCL specialist with adjacent HPC or DevOps freelancers.
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