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Freelance WebSocket Developer - Kazi Sohan
Freelance WebSocket Developer5.0 (172 reviews)

I love to teach what I know. I think I can explain things easily with examples. I have been working as a Software Engineer for the last 5 years and have worked with some of the world's most reputed companies like **Open AI, Scale AI, Doloras Lab**, etc as a freelancer.

Freelance WebSocket Developer - David Schoutens
Freelance WebSocket Developer5.0 (91 reviews)

Full-stack software craftsman and technical leader with over 15 years of experience. Equally adept at system design, programming, technical leadership, mentorship, and business collaboration. Have a wide breadth of technical experience, but specialize in backend API development, relational databases, and web applications. Passionate about simplicity and efficiency. I have worked at over a dozen companies large and small, in a handful of different domains. Also participated in hundreds of interviews, about half-and-half as the interviewer and the interviewee. I have given dozens of talks and training sessions on a variety of topics, mostly focusing on distributed systems, caching, and testing. My top skills are Java, SQL, testing, and refactoring. I have experience with formal academic and professional mentorship, and would love to help you skill up, solve a problem, or just nerd out with you today!

Freelance WebSocket Developer - Malay
Freelance WebSocket Developer5.0 (101 reviews)

I'm an accomplished polyglot developer with over ten years of extensive experience specializing in design innovation, crafting clean and maintainable code, managing multiple databases and caches, orchestrating CI/CD pipelines, and adeptly resolving even the most challenging production issues through impeccable debugging and analytical skills. Here's more about me https://malaymehta.com My expertise extends to a diverse range of areas, making me a valuable resource for your software development needs: - **Application Development:** Whether you're launching a new project from the ground up or seeking guidance on selecting the most suitable technology stack and adhering to best code quality practices, I can provide valuable insights and assistance. - **Complex Problem Solving:** I excel in crafting intricate coding solutions and swiftly tackling critical bugs that can ablaze your production environment. - **Clean Coding and Testing:** I'm committed to promoting clean coding practices and achieving comprehensive test coverage to ensure the robustness and maintainability of your software. - **CI/CD Pipeline Setup:** I deeply understand setting up CI/CD pipelines on various widely recognized platforms, streamlining your development process. - **Cost-Effective Deployments:** When deploying your application, I prioritize cost efficiency in the cloud environment, helping you transform your ideas into reality without breaking the bank. - **Security Analysis:** My knowledge includes conducting thorough security analyses to fortify your applications against potential threats. My dedication to continuous learning has allowed me to accumulate knowledge in many technologies. My diverse experience equips me to assist you on various fronts of software development. If this resonates with your needs and you recognize that my skills align with your requirements, I encourage you to connect with me. When reaching out, please provide a brief summary of the assistance you're seeking. I stand by the quality of my mentoring sessions, and if you're unsatisfied with the resolution, I'll issue a full refund. For students with unverified profiles, I offer discounted rates as a gesture of support for your learning journey. Thank you for considering me as a potential partner in your software development endeavors.

Freelance WebSocket Developer - Mikhail Pospelov
Freelance WebSocket Developer5.0 (26 reviews)

An accomplished and high-motivated IT professional with 6+ years experience of IT leadership involved in web development, application development and System & Solution Architecture. My main competency is in building rich client-side applications, on both sides back-end and front-end. I strongly believe in TDD as the only way to build a bullet-proof code that makes everyone happy and it allows me to rest at night. Reaching 100% test coverage is my passion. **SKILLS:** ✅ Specialities: Computer Engineering, Software Engineer, Web Development, Mobile development, Open Source ✅ Languages:Ruby(6 years), Javascript(4 years), Nodejs(1 year), Elixir(1 year) ✅ Backend Frameworks: Ruby On Rails(6 years), Phoenix(1 year) ✅ Frontend Frameworks: AngularJS(4 years), ReactJS(2 years) ✅ Relational database:Postgresql(6 years), MySQL(6 years) ✅ NoSql databases:Elasticsearch(4 years), Redis(3 years), MongoDB(3 years) ✅ Other technologies:​Rabbitmq, Redux, Universal rendering, HTML, CSS, SCSS, BEM, Docker, AWS, Google Cloud Platform, Webpack, Git, Progressive web apps **LINKS:** https://github.com/mpospelov https://stackoverflow.com/users/2460416/mpospelov https://codementor.io/mpospelov https://www.upwork.com/o/profiles/users/_~0182077648cc549f21/ https://www.toptal.com/resume/mikhail-pospelov

Freelance WebSocket Developer - Alfaizkhan Pathan
Freelance WebSocket Developer

I am a seasoned mobile application developer with over 6+ years of expertise in mobile application development, I specialize in Flutter, Android and iOS native. My work focuses on crafting innovative, high-performance mobile applications that meet user and business needs while adhering to the highest quality standards. Core Competencies: • Advanced proficiency in Android Studio, Java, Dart, and the Flutter Framework. • Integration of SQLite, RESTful APIs, and extensive use of Firebase Services (Authentication, Realtime Database, Cloud Functions, FCM, Crashlytics, and more). • Skilled in Google Maps APIs (routes, navigation, and directions) and payment gateway integration such as Stripe. • Expertise in source control management with Git (GitHub, GitLab, Bitbucket) and automating workflows using CI/CD pipelines. • Deep understanding of the mobile app development lifecycle, architecture, and emerging trends. • Strong debugging and problem-solving skills to deliver error-free applications. Key Contributions: • Successfully collaborated with cross-functional teams, including designers and QA professionals, to deliver seamless and intuitive user experiences. • Ensured app responsiveness and performance through thorough testing and debugging before release. • Delivered scalable and maintainable applications by adhering to clean coding principles and best practices. • Proactively stayed ahead of mobile development trends to incorporate cutting-edge features into apps. Driven by a passion for technology and user-focused design, I excel at transforming ideas into impactful mobile solutions that enhance user satisfaction and business growth. My projects includes: (All the projects are available on app store also) https://play.google.com/store/apps/details?id=com.horizonix.quran https://play.google.com/store/apps/details?id=com.horizonix.game.notifier https://play.google.com/store/apps/details?id=com.cerashealth.imhomev2&hl=en&gl=US https://play.google.com/store/apps/details?id=com.fishverify&hl=en&gl=US https://play.google.com/store/apps/details?id=com.bagndash.bagndashapp https://play.google.com/store/apps/details?id=com.agentduty.app https://play.google.com/store/apps/details?id=com.matrix.essapp https://play.google.com/store/apps/details?id=com.matrix.satatyamv https://play.google.com/store/apps/details?id=com.matrixcomsec.acs https://play.google.com/store/apps/details?id=com.matrixcomsec.android.satatyasight https://play.google.com/store/apps/details?id=com.matrix.cosecmode https://play.google.com/store/apps/details?id=com.matrixcomsec.vms Flutter plugins - https://pub.dev/packages/emoji_selector https://pub.dev/packages/easy_debouncer https://pub.dev/packages/live_location https://github.com/Alfaizkhan/skeletons_plus GitHub - https://github.com/Alfaizkhan LinkedIn - https://www.linkedin.com/in/alfaizkhan

Freelance WebSocket Developer - Carlos Álvarez
Freelance WebSocket Developer

Frontend-focused Full-Stack Developer with 6+ years of experience. Strong skills in React (TypeScript), Django (Python), Postgres, InfluxDB Passionate about intuitive UX, performance optimization, and leading initiatives and contributing to innovative start-ups. Self-taught with strong problem-solving skills, always exploring new web technologies to build scalable, high-quality applications.

Freelance WebSocket Developer - Alexis Hernandez
Freelance WebSocket Developer

I taught myself how to program while I was in high school, in an environment with very limited internet access and no guidance. Despite all of this, I fell in love with coding. I'm a generalist working mostly with Scala and web applications.

Freelance WebSocket Developer - Jordan Assayah
Freelance WebSocket Developer

Senior Software Engineer (10 years experience, ex-Fireblocks) With extensive blockchain expertise and distributed systems experience, I design sophisticated backend systems and AI platforms running in production—in environments where errors are costly: finance, crypto, legal, sensitive data. I help companies: - Reduce infrastructure costs: Cloud audit and optimization (50K$/year saved on AWS for one client), optimized processing pipelines (ingestion cost reduced 7x on latest project) - Build reliable distributed systems: Microservices, real-time high-throughput APIs, event-driven architecture (recent example: price aggregator connected to 10+ providers, latency cut in half) - Accelerate their teams: Architecture, boilerplates, and CI/CD reducing time-to-production (new service onboarding dropped from 2-3 days to 4 hours) - Leverage documents and data with AI: RAG assistants with verifiable citations, OCR and transcription at scale, POC-to-production transitions - Secure and harden existing systems: Server hardening, testing, race condition fixes on critical systems Recent references: Legal AI platform delivered solo end-to-end (65,000+ documents, cited responses in under 40 seconds); Fireblocks DeFi browser extension (lead developer, 2,000+ users, 5.0 on Chrome Web Store). Native French speaker, fluent English. 100% remote, European timezones. Stack: Python, TypeScript/Node.js, NestJS, FastAPI, Blockchain (Solidity, Web3.js, ethers.js), Microservices, RabbitMQ, Kafka, WebSockets, PostgreSQL, Redis, AWS, Docker, Kubernetes, RAG, LLM, Anthropic API (Claude), Qdrant, OCR.

Freelance WebSocket Developer - Miroslav Kuťák
Freelance WebSocket Developer5.0 (1121 reviews)

Senior iOS Engineer with 14+ years of experience in iOS development and Software Development across HealthTech, media, eCommerce, and social platforms. Skilled in Swift, SwiftUI, UIKit, Objective-C, concurrency, modular architectures, design patterns, and object-oriented design. Experienced in building and maintaining mobile applications, integrating AI-assisted workflows, and contributing to long-term maintainable codebases. Strong background in continuous integration (CI/CD) and development automation, concurrency, modular architecture, and testing methodologies. Known for an organized and friendly working style, clear communication, and practical problem-solving in cross-functional environments. Distinguished performance assisting over 1000 clients on Codementor.io with average 5.0/5 rating. A proven record of mentoring, training and leading teams. Practical experience with AI-driven and AI-assisted full-stack development.

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Frequently asked questions

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

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

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

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