Selin G.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

🚀 Senior Ruby on Rails Developer | Full-Stack | DevOps & Cloud Expert I’m a Full-Stack Ruby on Rails Developer with 15+ years of experience designing, developing, and deploying high-performance web applications. I’ve worked with startups, growing businesses, and enterprise clients to deliver scalable, maintainable, and secure solutions. Core Skills & Technologies: Backend: Ruby on Rails (v2.x to v7.x), RESTful APIs, GraphQL, background jobs (Sidekiq, Resque), microservices architecture Frontend: HTML5, CSS3, JavaScript (ES6+), Stimulus, Hotwire/Turbo, React.js (when needed) Databases: PostgreSQL, MySQL, Redis, ElasticSearch DevOps & Cloud: Docker, Kubernetes, AWS (EC2, S3, RDS, CloudFront), DigitalOcean, CI/CD pipelines, Nginx, Load Balancing, Monitoring Testing & Quality: RSpec, Capybara, TDD, BDD, Continuous Integration What I Can Do for You: ✅ Build new Rails applications from scratch with clean architecture and best practices ✅ Migrate & upgrade legacy Rails apps to modern versions without downtime ✅ Containerize & deploy apps using Docker/Kubernetes for consistent, scalable environments ✅ Implement CI/CD pipelines for faster, safer releases ✅ Optimize performance, reduce load times, and improve database queries I’m not just a coder — I’m a problem-solver who understands business needs and translates them into technical solutions. My focus is on long-term maintainability, ensuring your application is easy to evolve and scale as your business grows. If you need a reliable Rails expert who can handle everything from backend logic to cloud infrastructure, I’m here to help you succeed. 📩 Let’s discuss your project and make it happen.