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Top freelance Codex developers available to hire

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Freelance Codex Developer - Praveen Singh
Freelance Codex Developer5.0 (46 reviews)

Full stack lead cum architect software engineer with 18+ years’ experience designing and developing robust products, tools and solutions. Have built several scalable applications, web services, tools and front-ends with modern and highly interactive features. Have excellent knowledge of application development including functional and technical specifications, OOP Patterns and Data Structures & Algorithms that empowers me to lead software design and development and manage multiple priorities in a fast-paced environment. Looking forward to contribute, learn and grow.

Freelance Codex Developer - Qaiser Mehmood
Freelance Codex Developer5.0 (7 reviews)

I'm a Senior .NET & AI Architect with 21+ years of experience helping developers, startups, and engineering teams solve difficult technical problems. Whether you're a beginner using AI to build software ("vibe coding") or an experienced developer building enterprise applications, I can help you move faster using modern AI tools like Claude, Cursor, ChatGPT, GitHub Copilot, and Gemini, Antigravity. I can help with: - Blazor Server & WebAssembly - ASP.NET Core & .NET - ASP.NET ZERO AND ABP Framework - C# debugging and performance optimization - AI Agents & LLM integrations - Claude Code, ChatGPT, GitHub Copilot workflows - Semantic Kernel, LangGraph & Model Context Protocol (MCP) - Entity Framework Core & SQL Server - Architecture reviews - Code reviews and pair programming - Bug fixing and production issues - Azure deployment & CI/CD My mentoring style is practical and hands-on. Whether you're fixing a production bug, building an AI-powered application, or trying to get Claude to generate better code, we'll identify the root cause, solve the problem together, and make sure you understand the solution. Claude Certified Architect If you're stuck, let's get you unstuck.

Freelance Codex Developer - Goran Babarogic
Freelance Codex Developer5.0 (4 reviews)

Framer Developer, Product Designer and Design Engineer with a strong background in web design, design systems, UX/UI and product strategy. I help brands build modern, high-performing websites and digital products that look great and work even better. Let’s create something that moves your business forward.

Freelance Codex Developer - Humayun Shabbir
Freelance Codex Developer5.0 (2604 reviews)

Welcome to my profile on Codementor! I'm a dedicated full-time mentor with a track record of over 3500 sessions since 2015. My journey in programming has been marked by a deep engagement with P5.js, among other technologies. My career as a software developer spans over two decades, with a strong focus on Rapid Application Development (RAD). This approach has been a cornerstone of my work, allowing me to efficiently tackle complex and large-scale projects. As an expert in Visual Basic, I bring a wealth of experience, complemented by my proficiency in C#, JavaScript, VBA, and SQL. I'm passionate about problem-solving and navigating intricate code bases. Whether you're dealing with challenges in Visual Basic, C#, JavaScript, or any of the other languages I specialize in, I'm here to help you find effective and streamlined solutions. Let's work together to achieve your programming goals! I love working with: ⭐ Visual Basic ⭐ C# ⭐ JavaScript ⭐ VBA ⭐ SQL ✅ Recognitions: ------------------------- 🔹 Codementor of The Year 2018 🏆 https://twitter.com/CodementorIO/status/1076225048837586944 💎 Achievements: -------------------------- 🔹 3000+ Sessions 🔹 3 Arc/CodementorX projects

Freelance Codex Developer - Bryan Mayor
Freelance Codex Developer5.0 (237 reviews)

NYC based developer with 16+ years of experience (independent freelancing, at Fortune 500s and at small startups). Languages include PHP, Javascript, Python, and Java. I have framework experience with Laravel, Symfony, CodeIgniter, and Vue. Always up for a challenge, whether it's new development or tracking down a bug. I enjoy overall architecture as much as getting into the finer details.

Freelance Codex Developer - Patrick Igwe
Freelance Codex Developer5.0 (55 reviews)

I'm a highly driven designer, programmer and tech-entrepreneur. I specialize in programming, designing, thinking and validating risky assumptions in design, thinking just like users and delivering great products and, managing technical debt with business needs, enhancing the projects reach.

Freelance Codex Developer - Mike Schinkel
Freelance Codex Developer5.0 (35 reviews)

I am **US-based** and have **30+ years experience** during which I have been an AI user, a software engineer, a programming trainer, a marketer and an entrepreneur. My current focus is in **long term tutoring** professional in using **AI**, **software development**, and/or **CI/CD DevOps** Specifically: 1. I specialize in teaching **Claude Code** to non-developers who want to build software 1. I specialize in **Go** and **Bash** but can handle any language; e.g. Python, TypeScript, etc. 2. I love **API**s and can teach you how to call them with command line Bash tools 3. I can teach you how to write API **servers** in Go, and also how to call APIs in Go. 4. I have 25+ years in **SQL** and can teach SQLite, MySQL, or Postgres 5. I can teach you to configure **macOS** and **Linux** for programming 6. I can teach **CI/CD** with **GitHub Actions**, Jenkins, GitLab, or others 7. I can teach using **Docker** containers and/or how to build them 8. I can how to write **Kubernetes** controllers and operators in Go 9. I can teach you how to work with **Digital Ocean** or basics in **AWS**. I can also teach you many other things. While I don't use Windows daily, I have used it in the past and am familiar with PowerShell and Windows System for Linux so I can help with those if need be. ALSO, I am great at learning on the fly so if you are interested in me helping you learn something I have not listed I will consider giving a discount for topics that allow me to learn new things while teaching, especially related to AWS.

Freelance Codex Developer - Derek Stock
Freelance Codex Developer5.0 (7 reviews)

Hi! Am a 20+ year developer and live in California. I am an expert in iOS, Python and AI development. I have many languages and platforms I have worked in. OpenAI and AI platforms like Firebase are the main request I get and am very experienced with them. I am happy to offer my services and see how I can help you with your projects, as a developer and mentor. Please see my attached resume, I have loads of work experiance. [Click to view my resume!](https://docs.google.com/document/d/1Zb7WLp0nsHRN8XSudXm_4VB4oNi4S6YytsWr32kwYnY/edit?usp=sharing) My links are [derekstock.com](http://derekstock.com/) & [https://www.linkedin.com/in/derekstock/](https://www.linkedin.com/in/derekstock/) < take a look! I have been doing a lot of tutoring on Wyzant, here on Codementor and working contract jobs. I am currently looking for contract remote contract or full time work, I am very flexible. Lets talk! Hopefully we can work together! Derek

Freelance Codex Developer - Vahagn Harutyunyan
Freelance Codex Developer5.0 (6 reviews)

I’m a Unity developer with over 13 years in game development and more than 8 years working with Unity on mobile and VR projects. I enjoy helping solo developers and small teams. That can be learning Unity from scratch, starting a new project, or figuring out an existing codebase that feels confusing or messy. I’m happy to help with gameplay logic, debugging tricky issues, basic architecture questions, code reviews, and preparing for Unity or game development interviews.

Freelance Codex Developer - Alexander Yesafov
Freelance Codex Developer5.0 (3 reviews)

Senior Software Engineer with 20+ years of experience building production software, SaaS platforms and developer tools. I can help with: • AI Coding & Agentic Development • MCP (Model Context Protocol) Servers & Integrations • AI Agents & Workflow Automation • OpenAI, Anthropic & Google Gemini Integration • C# / ASP.NET Core • Software Architecture & Modernization • Performance Analysis & Optimization • Full-Stack Web Applications • Code Reviews & Technical Mentoring Also happy to help with: • Docker & Deployment • DevOps & CI/CD • GitHub, GitLab, Gitea & Forgejo Technologies: • C# / ASP.NET Core • MCP • Claude Code, Cursor, Codex, Windsurf / Devin • Fullstack / Vue.js • SQL • Docker I help developers solve difficult technical problems and build production-ready software faster with AI.

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Frequently asked questions

How long do Codex 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 Codex 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 Codex request on Codementor, check out our article.

How much does it cost to hire a freelance Codex developer?

We don’t charge anything when you post a freelance hiring request for Codex 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 Codex developers different?

We do a comprehensive technical and communications screen of all Codex 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 Codex 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 Codex 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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