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Top freelance Performance Testing developers available to hire
I am a software professional with 17 years of experience, having worked with big names like Microsoft and Google.
In my spare time, I love to share my knowledge with others. I am passionate about **helping people fix their code to remove bugs** and make it more human-readable and hence easier to maintain.
I am a **seasoned interviewer** as well, and love to help people prepare for tech interviews.
I am passionate about **Maths** as well and love to solve Maths problems and help others understand Maths better.
Hello! If you need help with game development, I'm here to help you find (and learn) effective techniques and solutions for your projects.
I've been a Game and Software developer since 2010. I have 10+ years of experience with Unity, C#, and Game Design, and I'm constantly updating my skills. I also have experience with Unreal Engine 5, Level Design, 3D Modeling, and Mobile Development.
I developed games for PC and Android. My background includes working on:
● SAK'D (2D metroidvania game, demo released on Steam)
● NekoSuki! ~ Kitty Love Adventure (action-adventure game, in development)
● Time Master (puzzle-platformer game, released on Steam)
● Baneville (an educational game for Brazilian schools)
I have knowledge and experience with:
● Unity, C#, async-await (UniTask), advanced programming concepts
● Unreal Engine 5, Blueprints, C++
● Godot Engine, RPG Maker, GameMaker, Ren'Py
● Game Design, Level Design, UI Programming, Game Optimization, QA
● Unity Addressables, Timeline
● Third-party assets and plugins: Platformer Project, Corgi Engine, ORK RPG Framework, Game Kit Controller, World Streamer 2, DoozyUI, RealtimeCSG, Rewired, Animancer, RealToon, Dialogue System for Unity, MicroSplat, MicroVerse, etc.
● Blender, VRoid Studio (3D Modeling, Rigging, Skinning, Animation)
● Photoshop, Krita, GIMP (Texturing, Image editing)
● Wwise Audio Middleware
● Generative AI: Stable Diffusion, ComfyUI, SwarmUI, NovelAI
● Mobile Development: Android (native), iOS (native), Flutter, Xamarin, Xamarin.Forms
● Kotlin, Swift, Dart, Java, Python
Passionate frontend developer with a knack for integrating cutting-edge AI technologies into seamless user experiences. I've spent over six years crafting React and TypeScript applications that serve more than 100,000 users globally, and I've recently delved deep into AI-powered solutions.
I am a highly skilled software engineer with 5 years of experience, proficient in transforming wireframes into MVPs, architecting scalable microservices, and developing single-page applications. My technical expertise includes backend technologies like FastAPI and Flask, frontend proficiency in React and Vue, testing excellence, and database management. Key strengths include problem-solving, attention to detail, and thriving in collaborative environments. I excel in team management, fostering growth and productivity, and mentoring team members. Currently seeking a full-time role to leverage my skills and contribute to an innovative organization, with a focus on leadership growth and professional advancement.
Reza is an accomplished CTO and engineer with extensive experience in near-silicon design and problem-solving. He has done stream processing in all kinds of domains, using MQTT-SN, HL7 in healthcare, and mSEED and SEGY in earthquake analysis, utilizing a wide array of databases and programming languages. Passionate about building, Reza has maintained projects such as Ansible, universal-ctags, and QMK, and contributed to the Linux kernel and EDKII (UEFI).
👋 Hi, I’m Vivek—a Senior Python Backend & Automation Engineer with 6+ years of experience helping clients build, debug, and optmize backend systems, APIs, and data workflows.
I help clients:
🚀 Python backend development (Django, FastAPI) from scratch to deployment).
🧠 Automate business workflows using Python, Pandas, NumPy, SQL, and Excel.
🌐 REST/GraphQL API design, integration & debugging
⚙️ ETL pipelines, data processing & workflow automation (Pandas, SQL)
🧪 Unit testing, performance tuning & production issue fixing
👨🏫 Code reviews, mentoring & problem-solving support
I am an ex Amazon now working on a elite hedge fund; graduated with a Master of Computer Science.
I have professional experience in **multiple programming languages** and have designed multitude of application from ground up. I have a lot of experience in designing **scalable distributed systems**.
I enjoy providing **thorough code reviews**. I am very keen to find design and coding bugs.
I have done lot of technical interviews and has hands on experience in the recruitment process. I have a good track record **training people for technical interviews**.
Started programming at age 12 in 1988 on a Commodore VIC-20. Extremely adept at debugging of all kinds, performance optimization, databases, embedded systems, operating systems, networking, testing and automation across a wide variety of languages, APIs and frameworks, high level as React/Typescript and as low level as knowing several CPUs assembly languages and designing microcontroller PCBs. It is way too much to just enumerate. Formerly worked at Microsoft in Windows Protocols and Engines team.
• Expert full-stack Python & JavaScript developer
• Full DevOps: project architecture to production deployment at scale (whether VMs, Docker containers, cloud services, or on-prem)
• Outstanding trouble-shooter and "OMG! Everything is on fire! HALP!!" first responder
• Strong web app, data structures, data science, and visualization skills
• Enjoy complex integration and automation challenges
• Love mentoring. Half-price ($60/hr) for all genuine students
I am a seasoned IT professional with extensive expertise in Python and JavaScript development, proficiently delivering scalable and efficient solutions. My proficiency extends to DevOps practices, where I excel in automating deployment pipelines, ensuring seamless integration, and enhancing overall efficiency. Leveraging cloud technologies, I specialize in designing and implementing robust, scalable, and secure solutions on major cloud platforms. With a solid foundation in both development and DevOps, I bring a holistic approach to building and maintaining cutting-edge applications in cloud environments.
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Frequently asked questions
How long do Performance Testing projects normally take?
The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Performance Testing project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Performance Testing request on Codementor, check out our article.
How much does it cost to hire a freelance Performance Testing developer?
We don’t charge anything when you post a freelance hiring request for Performance Testing developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.
What makes Codementor Performance Testing developers different?
We do a comprehensive technical and communications screen of all Performance Testing developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Performance Testing developers’ user satisfaction rates.
What happens if I’m not happy with the freelancer’s work?
As a platform, we strive to ensure you’re always happy with your Performance Testing project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.
For more answers to frequently asked questions, see here.
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