Irwan Sudarsin S.

🏆 Top Rated Freelancer with 100% Job Success Rate 🟢 5,400+ Hours Tracked | 190+ Completed Projects | 15+ Years Experience Looking to build a high-performing web application, integrate cutting-edge AI capabilities into your platform, or optimize your existing WordPress or Rails architecture? You’ve come to the right place. I am a Senior Web Engineer specializing in Ruby on Rails, WordPress, and AI API Integrations. I help businesses transform complex technical requirements into scalable, secure, and user-friendly web applications. 🤖 AI INTEGRATION & MODERN WEB SOLUTIONS 1. AI API Integrations: Connecting OpenAI, Claude, and Gemini APIs into custom web apps for automated workflows, intelligent search, and AI-driven features. 2. Ruby on Rails Development: Building scalable backend systems, custom APIs, third-party integrations, and maintaining legacy Rails codebases. 3. WordPress Engineering: Custom theme & plugin development, headless WordPress setups, speed optimization (Core Web Vitals), and advanced security hardens. 4. Full-Stack Ecosystem: Leveraging Django, Laravel, Cypress testing, and modern frontend tools to deliver end-to-end solutions. 💡 WHY CLIENTS CHOOSE TO WORK WITH ME: 1. Proven Track Record: Over 5,400 tracked hours on Upwork with consistent 5-star client reviews. 2. Security & Reliability: Dedicated IP address for safe access control and high-standard code security practices. 3. Full Lifecycle Support: Free support included after project completion to ensure long-term peace of mind. 4. High Availability: Full-time dedicated freelancer with clear, prompt, and proactive communication. 🛠 CORE TECHNICAL SKILLS: 1. Backend & Frameworks: Ruby on Rails, WordPress (Custom Plugins/Themes), Django, Laravel, PHP, Python. 2. AI & APIs: OpenAI API, Claude API, Gemini API, RESTful APIs, Webhooks. 3. Frontend & Design: HTML5, CSS3, JavaScript, Elementor, Divi, Figma, Adobe XD. 4. Database & DevOps: MySQL, PostgreSQL, Git, Cypress E2E Testing. 📬 Ready to bring your project to the next level? Click the "Invite to Job" or "Hire" button on the top right, and let’s discuss how I can help solve your technical challenges today!