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Always learning and always yearning, I sincerely believe that we can achieve greater heights by collaborating on our problems. I love to be involved with technical communities in different capacities and enjoy solving issues. I have had more than 50 mentoring sessions on HackHands ( http://www.hackhands.com/hiren ). Currently I run my own business, which is into mobile apps and websites.
Web developer with advanced experience working on large-scale Javascript apps. Specialized in rendering and DOM performance. Personal site - [https://chrisdolphin.dev](https://chrisdolphin.dev/)
Senior Software Engineer with 8 years of experience building backend applications and enterprise software. Experienced in Java, Spring Boot, Microservices, REST APIs, System Design, and Distributed Systems. Worked on scalable applications, performance optimization, production support, and software architecture. Currently working at Microsoft, contributing to the WPF framework and leading initiatives around modernization, automation, accessibility, and performance improvements. Previously worked at Siemens Healthineers building backend services and APIs for medical imaging systems. Skilled in designing reliable, scalable, and maintainable software solutions while collaborating with cross-functional teams. Core expertise: • Distributed Systems & Microservices • System Design (HLD + LLD) • Java, Spring Boot, C#, .NET, [ASP.NET](http://asp.net/) • REST APIs & Backend Engineering • Performance Optimization & Scalability • Concurrency, Reliability, and Production Debugging • CI/CD and Release Engineering Conducted 50+ design/code reviews and contributed to engineering best practices across teams.
I started my career as a web developer 16 years ago. I like challenges where I can use my skills to develop outstanding web applications in look, performance, and efficiency. I am specialized in Front-End and back-end web technologies. For more details about technologies I know, see the expertise section below. I can help you with: • New projects or features • Front-End/Back-End development • Mentoring • UX/UI Design • Bug fixes and issue resolving If I missed something you need help with, please drop me a message and I will look for a solution.
Most of my work for customers is around solving complex business problems through people and technology. Expertise in Front-end user interfaces, interactions through back-end APIs and servers, middleware, data storage and integration Strong experience in ASP.NET Core development.
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.
Hi! I'm Experienced Full-Stack Web Developer (Angular, React, Javascript, NodeJs), Use my powers to turn your dreams into reality. I learned to program making websites from scratch with HTML, CSS, Javascript, React, Redux, Angular, NodeJs, Express and MongoDB. MERN stack (MongoDB, Express, ReactJS, and NodeJS). MEAN stack (MongoDB, Express, AngularJs, and NodeJS). Wordpress (Custom Themes, Modifications, Performance... ) This means that you can ask me for help on anything related to Javascript, HTML, CSS (and SCSS/Sass of course), responsive/mobile websites, usability an so on. With 9 years of experience developing software, I always advocate for the best available solutions and the cleanest code. I also love to explain how and why the code works so you can also learn more from it.
**Experienced Full Stack Developer Architecting Scalable Solutions** With over **20 years** of experience in software development, I have built and led innovative web applications across multiple industries, including **SaaS**, **e-commerce, real estate, telecommunications, and temporary accommodation rental**. My expertise spans **frontend and backend development**, software architecture, and leadership roles such as team lead, project manager, and founder. I specialize in **PHP, NodeJS, ReactJS, NextJS, VueJS, NuxtJS**, and database management with **MySQL, PostgreSQL, MongoDB, MariaDB, SQL Server, and Oracle**. I also have **deep expertise** in cloud computing (**AWS, Docker**) and system scalability. Holding a **college degree in System Analysis**, I thrive in **fast-paced environments**, solving complex technical challenges, optimizing performance, and mentoring teams to deliver high-impact solutions. Technologies summary: **AWS, Docker, Javascript, Typescript, NodeJS, ReactJS, NextJS, VueJS, NuxtJS, CSS, HTML5, PHP, Laravel, CodeIgniter, MongoDB, MariaDB, MySQL, SQL Server, PostgreSQL, Oracle**.
I am a software engineering leader with over 10 years of experience building and scaling full-stack web and mobile applications. I have worked across backend, frontend, mobile, cloud, and DevOps, progressing from software engineer to CTO-level roles. My experience includes Python, Django, NodeJS, React.js React Native, Vue.js, Ruby on Rails, Java EE, Asp.NET, Elixir, and Wordpress, along with databases like Elasticsearch and Cassandra. I have designed and deployed scalable systems on AWS using Docker, CI/CD pipelines, and modern DevOps architecture. I enjoy leading teams, designing system architecture, and delivering reliable, production-ready software solutions for complex business needs.
I build the thing end-to-end. Prototype → PRs → deployed system with evals, guardrails, and monitoring. iOS/Swift + Python + agents. You get handover-ready code in your repo, not spaghetti AI. Ex-Uber. 16 years shipping. WHAT I DELIVER: • Production AI systems — not prototypes that break in prod • Evals, guardrails, and monitoring built in from day one • iOS/Swift frontends + Python/agentic backends • Handover-ready code, not spaghetti AI PROOF: • WhisperBoard — 50K+ downloads, 4.8★ rating • mcp-browser-use — 850+ GitHub stars • Ex-Uber engineer, 16 years building production systems • 5.0 rating on Codementor (30 reviews)
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We do a comprehensive technical and communications screen of all Performance Optimization 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 Optimization developers’ user satisfaction rates.
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