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Top freelance Testing developers available to hire
Seasoned Web Developer and Blockchain enthusiast with a proven track record in the IT and services industry. Expertise in Research, PHP, HTML, JavaScript, and Blockchain development, including Smart Contracts. Skilled in automation, application testing, and cybersecurity analysis for web and mobile apps.
I have a great passion for solving problems and can help people with various programming languages, databases, information systems, software related projects.
I’m Michael Ayoub, a Solution Architect and Innovation Leader with over 15 years of experience delivering complex, scalable, and secure technology solutions across fintech, banking, aviation, and enterprise platforms. I specialize in digital transformation, payment systems, enterprise architecture (TOGAF), and product development, with hands-on leadership across B2B, B2C, and microfinance ecosystems. Having held senior roles in companies like Sharjah Airport, Banque Misr, Fawry, and CashCall, I bridge business goals with cutting-edge technology, driving innovation, operational efficiency, and regulatory compliance. Passionate about aligning IT strategy with business value, I thrive in dynamic, cross-functional environments and continuously explore emerging tech to fuel growth and competitive advantage.
Currently working as Software Engineer 3 in **Google Deepmind**.
I have extensive experience in integrating AI on mobile via Gemini at Google with over 3 years.
Biggest challenge on mobile is the scalability and sustainability of the approaches that you should follow while working on any feature.
Apart from my dev experience, I am also a geek for competitive programming and have a very good grasp of *Algorithms and Data Structures*.
In addition, in my free time, I actively help students clearing their doubts on basics of Android, iOS, ObjC, Swift, C++, Java, DSA.
I have experience in Python for more than 10+ years. I have been using Python in Embedded systems. I have experience in Making Test setup for various Embedded device for automation testing.
Experienced Web Developer adept in all stages of advanced web development. Knowledgeable in user interface, testing, and debugging processes. Bringing forth expertise in design, installation, testing and maintenance of web systems. Equipped with a diverse and promising skill-set. Proficient in an assortment of technologies, including Javascript, ReactJS, NodeJS, HTML5 and CSS. Able to effectively self-manage during independent projects, as well as collaborate in a team setting.
# 🚀 Full-Stack Engineer | AI & Automation Architect | Data & Cloud Specialist
Hi, I’m **Fawzan** - a Computer Engineer and Full-Stack Developer with deep experience building **scalable SaaS platforms** and **data-driven systems**. I help startups, enterprises, and individuals transform ideas into production-ready solutions that are **efficient, automated, and future-proof**.
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## 🔹 What I Do Best
- **Laravel & Filament** – Clean, maintainable backend systems, APIs, dashboards, and admin panels.
- **Automation & n8n** – Streamlining workflows, integrating apps, and eliminating repetitive tasks with robust automation pipelines.
- **BigQuery & Data Engineering** – Designing and optimizing large-scale analytics, integrating real-time data with weather, geolocation, and event insights.
- **AWS & DevOps** – Deploying and scaling apps with **EC2, S3, CloudFront, RDS, Lambda, and Cloudflare Workers**, plus CI/CD pipelines and infrastructure automation.
- **AI & Applied Machine Learning** – Turning natural-language queries into actionable insights, building AI agents, and integrating LLM-powered intelligence into business apps.
---
## 🔹 My Approach
I combine **software craftsmanship** with **automation-first thinking**:
- Build systems that scale, not break.
- Automate everything repeatable.
- Keep data flowing reliably across apps, APIs, and dashboards.
- Bridge the gap between **AI research** and **real-world business value**.
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## 🔹 What You Get Working With Me
- **Hands-on guidance** from architecture → deployment.
- **Custom solutions** tailored to your workflow and stack.
- **Fast troubleshooting** and mentorship for Laravel, cloud, or automation pain points.
- A partner who understands both **code and business outcomes**.
---
💡 Whether you need a Laravel backend optimized, a BigQuery data pipeline tuned, or a full AWS deployment with AI-powered automation — I’ll help you ship it with confidence.
Hi everyone!
I am a Software and QA Architect with a strong background on designing, developing and testing complex applications.
Currently, I am the Head of QA of an insurtech company, which is a really exciting sector inside the software development industry.
In my daily basis I perform both Software and QA Leadership tasks as well Software And Automation Architecturing, as well as designing Unit tests, Integration, and so on.
My main goal is to help organizations and individuals to achieve the maximum level of quality in terms of development and automated testing.
Hello! If you need help with game development, I'm here to help you find (and learn) effective techniques and solutions for your projects.
As a mentor, I can help you with **Technical Guidance** (assistance with coding, debugging, optimization), **Design Insights** (feedback on mechanics, level design, UI), **Asset Advice** (guidance on using time-saving assets/tools), and **QA** (thorough testing and bug tracking), among other topics.
I can answer questions on topics such as **Development Challenges** ("How can I optimize my game for better performance?"), **Design Decisions** ("How to improve the game UX?", "What mechanics can make my gameplay more engaging?"), and **Troubleshooting** ("Why is my game crashing on startup?", "Why is my game build failing?", "How do I fix this bug in my C# code?"), among other topics.
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Game and Software developer since 2010. I have 10+ years of experience with Unity, C#, and Game Design. I also have experience with Unreal Engine, 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
Results-oriented Senior Software Architect and Data Engineer with over 15 years of experience delivering scalable, production-grade data pipelines and high-performance solutions for Tier-1 financial institutions and startups. Expert in Python and cloud-native architectures, with a proven track record of optimizing ETL workflows, reducing system latency by up to 50%, and leading distributed engineering teams.
**Technical Skills**
* **Languages:** Python (Expert), SQL(Expert), KDB(Expert), K, TypeScript, Java, JavaScript, Golang, Erlang (Expert), C(Expert), C++, C#, Perl, Ruby.
* **Data & Cloud:** AWS, Terraform, Docker, Kubernetes, S3, SNS, Postgres, MySQL, MongoDB, Sybase.
* **Frameworks:** Django, Flask, FastAPI, React, Celery, BDD (Behave/Pytest-BDD), Pytest, Spring, RoR.
* **Methodologies:** DevOps, CI/CD, TDD, Agile, Observability.
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Frequently asked questions
How long do 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 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 Testing request on Codementor, check out our article.
How much does it cost to hire a freelance Testing developer?
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What happens if I’m not happy with the freelancer’s work?
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