Elvin Alvian S.

Experienced Ruby on Rails Developer | AI & API Integrations

Are you looking for a highly experienced Ruby on Rails Developer to build robust, scalable, and high-performance web applications or enhance your existing systems? With 8+ years of dedicated experience in the Ruby on Rails ecosystem, I specialize in transforming complex ideas into elegant, efficient, and user-friendly digital products. My expertise lies in crafting clean, maintainable code that drives business value. I'm passionate about developing secure, test-driven applications, optimizing performance, and seamlessly integrating with third-party services. Whether you need a brand-new application from scratch, a major feature implementation, API development, or performance tuning for your existing RoR project, I bring a proactive, results-oriented approach. What I bring to your project: - Full-Stack RoR Development: From database design and backend logic (Ruby, Rails) to frontend integration (JavaScript frameworks, HTML, CSS/Sass). - Scalability & Performance Optimization: Identifying bottlenecks, refactoring code, and implementing caching strategies to ensure your application performs under heavy load. - API Development & Integration: Building secure and efficient RESTful APIs for mobile apps or external services, and integrating third-party APIs (payment gateways, CRMs, analytics). - Database Management: Proficient in PostgreSQL and MySQL, with strong skills in schema design, query optimization, and data migration. - Code Quality & Maintainability: Adhering to best practices, TDD/BDD (RSpec), and continuous integration to deliver reliable and easy-to-maintain codebases. - Problem-Solving & Debugging: A knack for quickly diagnosing and resolving complex technical challenges. My Toolkit Includes: Languages: Ruby, JavaScript (ES6+), HTML5, CSS3 Frameworks: Ruby on Rails, React.js / Vue.js / Stimulus.js (for frontend integration) Databases: PostgreSQL, MySQL, Redis Testing: RSpec, Capybara, E2E Tools & Platforms: Git, GitHub/GitLab, Heroku, AWS (basics), Docker, Sidekiq, Webpacker, Cursor AI, Claude AI and Antigravity I pride myself on clear communication, meeting deadlines, and delivering exceptional work that exceeds client expectations. Let's discuss your project and see how my Ruby on Rails expertise can help you achieve your goals. Ready to build something great together? Feel free to invite me to your job or schedule a call.