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Top freelance RxJS developers available to hire

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Freelance RxJS Developer - Qaiser Mehmood
Freelance RxJS 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. If you're stuck, let's get you unstuck.

Freelance RxJS Developer - Carlo
Freelance RxJS Developer

AI-driven blockchain full-stack developer with 6+ years of experience across front-end, back-end, decentralized architectures, and AI- powered product engineering. Specializes in Solidity and Web3 development, building secure smart contracts, decentralized applications, and scalable backend services enhanced with AI-driven analytics and automation. Experienced with blockchain protocols, consensus mechanisms, and data-layer design, including Merkle trees, Layer 2 solutions, and modular microservices. Currently a founding engineer building a production application layer end-to-end for an edge-computing startup. Translates complex business requirements into reliable technical roadmaps, delivering production-grade solutions through rigorous testing, code review, and cross-functional collaboration

Freelance RxJS Developer - Sai Krishna
Freelance RxJS Developer

Microsoft AI Certified and Innovative Applications Architect with 8+ years of IT experience and extensive knowledge on Designing, Architecting, Developing, Deploying and Testing well versed technical solutions using C++, C#, [ASP.NET](http://asp.net/), .NET Core, .NET 5/6/7/8, Angular, Angular JS, JavaScript, JQuery, HTML5, CSS3, SASS, IONIC 5, T-SQL.

Freelance RxJS Developer - Ezequiel Mansilla
Freelance RxJS Developer

Accomplished innovative System Engineer with more than 10-years-experience working with multidisciplinary teams and technologies building enterprise solutions for private sectors. Provide expertise and services at all levels of execution, assuming high levels of responsibility for their delivery. Have performed the roles of Software Developer and Front End Technical Lead for numerous projects requiring the execution of all aspects of design and development of new value added to software solutions. Most of the projects were related to health care. Really proactive and learning spirit. I like working in groups because of the synergy in them. Skills and knowledge essential for solving problems and improvements.

Freelance RxJS Developer - Oscar Gotting
Freelance RxJS Developer

Hey I'm Oscar! I'm a full-stack software engineer currently working for Snapchat and I've worked with C/C++/C#, Swift, JavaScript, Golang and more! My top frameworks are Node.JS, React, React Native. I love helping others and finding solutions to any problem. Over the years, I have build websites, mobile apps and robust backend architectures with the latest technologies.

Freelance RxJS Developer - Yuvaraj Beegala
Freelance RxJS Developer5.0 (252 reviews)

Passionate Software Engineer, AI Agent Developer, and Debugging Specialist with over 10 years of experience building, troubleshooting, and optimizing software across a wide range of technologies. I've mentored 200+ developers on their coding journeys, helping them solve complex bugs, design scalable solutions, and grow their technical skills. Whether you're stuck with a tricky bug, need guidance on architecture, or want help with AI agents, backend, frontend, or full-stack development, feel free to reach out. I'll do my best to understand your problem and provide a practical, effective solution as quickly as possible.

Freelance RxJS Developer - gabriel antonio laines sobral
Freelance RxJS Developer

Passionate software engineer specializing in Angular and Node.js, with a strong focus on building scalable and high-performance applications. Enthusiastic about solving complex problems, optimizing software architecture, and driving innovation in web development.

Freelance RxJS Developer - Guillermo Eyherabide
Freelance RxJS Developer5.0 (18 reviews)

I am a software developer with 15 years of experience developing web applications, currently working as a Front End engineer. On my last 10 years i've been focus on the latest JS Front End frameworks such as Angular and React. I love to build maintainable, performant and extensible software, working the cutting edge technologies and implementing best practices. Building https://www.tryjobmate.com/

Freelance RxJS Developer - Dan Cook
Freelance RxJS Developer5.0 (9 reviews)

I have a long-standing passion for coding, and have received great feedback as tutor & mentor over 10+ years as a Software Engineer. I have an expert mastery of Javascript, Typescript, C#, GIT, CSS, HTML, and have implemented solutions at all levels of the tech stack. I feel strongly that software is built for people, and not the other way around: I strive to provide solutions that meet people where they are. As a programming language enthusiast, I have explored many languages & paradigms, both in terms of practical use and underlying mechanisms. This has given me a uniquely strong ability to: implement solutions that closely match human mental models; understand solutions apart from their coded form; spot incidental complexity in code; deconstruct and re-implement complex code-bases (e.g. when migrating legacy software). As a tutor and mentor, these experiences enable me explain things in human terms, and empathize with the gap between technology and the human mind. My favorite experience as both a software engineer and mentor, is that spark of discovery or understanding while walking someone (or vice versa) through a problem or explanation. Other interests: Piano, Stargazing, Hiking, Camping, Yoga, Mindfulness, Reading, Origami, Retro gaming, Sci-fi, Horror, Dad jokes, Playing with my kids & my dogs.

Freelance RxJS Developer - Catalin Rosu
Freelance RxJS Developer5.0 (2 reviews)

Throughout my career, I have honed my skills in software architecture, design, and development while working on a wide range of projects for clients such as startups, established businesses, and large corporations. My areas of expertise include C# .NET, Web API, AWS, PostgreSQL, Angular, TypeScript, JavaScript, and more. As a passionate mentor and leader, I have consistently guided and trained team members, helping them grow and excel in their careers. I take pride in my strong problem-solving abilities and my knack for identifying the most simple, but effective solutions for complex challenges. I have worked on diverse projects, including mobile applications, web-based systems, CMS, and e-commerce platforms, ensuring high-quality results while adhering to tight deadlines. As a highly motivated and ambitious individual, I continuously strive for excellence in my work and am eager to share my knowledge and insights with others. Let's connect, collaborate, and create exceptional software solutions together!

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Frequently asked questions

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

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

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

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