About me
Ruby on Rails Consultant in Berlin building reliable Rails systems and practical AI products.I’m Saroj Maharjan, a Berlin-based Ruby on Rails Consultant with 15+ years of experience building production Ruby on Rails systems.
My work sits at the intersection of reliable backend engineering and practical AI products: Rails, PostgreSQL, Sidekiq, Redis, AWS, Kubernetes, RAG systems, LLM orchestration, pgvector, RubyLLM, and AI-assisted development workflows.
I have worked across fintech, insurtech, healthtech, developer tools, and community products. Recent work includes high-throughput payment and collection systems at PAIR Finance, API and platform work at Ideon, and independent AI products including GemChat , Buylist , Lagani Saathi , and NepaliExpat .
Outside client and product work, I have spent years growing the Ruby ecosystem through Ruby Nepal, Google Summer of Code mentoring for the Ruby organization, bootcamps, meetups, and talks.
For work inquiries, email [email protected] .