Lead Ruby Developer

1 day ago

Pune, Maharashtra, India Sarvaha Systems Full time ₹ 12,00,000 - ₹ 36,00,000 per year

About the job

Sarvaha is seeking a skilled and passionate Lead Ruby Developer with a minimum of 7+ years of hands-on experience in Ruby and backend architecture. Youll work on challenging, high-performance systems and collaborate with a talented team that values quality, ownership, and clean code.

What Youll Do

- Build, maintain, and scale backend systems using Ruby and Ruby on Rails

- Design and implement scalable APIs using Rails, Grape, and ActiveModel

- Tune performance across the stack including GC, queries, jobs, and server setups

- Develop, package, and publish custom Ruby gems

- Optimize ActiveRecord queries & PostgreSQL indices to eliminate N+1 and improve query plans

- Manage application servers (Passenger, Thin) and tune thread/process models

- Own and maintain deployment pipelines, initializers, routing, and Rails engines

- Profile memory usage, monitor connections, and optimize worker threads

- Contribute to code reviews, mentoring, and agile development processes

- Collaborate cross-functionally with frontend and DevOps teams

You Bring

- BE/BTech/MTech (CS/IT or MCA), with an emphasis in Software Engineering

- Minimum 7 years of professional Ruby development experience

- Strong proficiency in Ruby (language internals, idioms, meta-programming)

- Deep knowledge of thread vs process models, connection handling, worker tuning & memory profiling

- Deep knowledge of OOP principles, mixins, blocks, procs, and lambdas

- Solid grasp of Rails internals: ActiveRecord, ActiveJob, ActionCable, validations, callbacks, etc.

- Experience with PostgreSQL and advanced ActiveRecord tuning

- Proficient in using Bundler, Rake, Rubygems, and gem building

- Comfortable with tools like RVM, rbenv, and chruby

Needed Soft Skills

- Strong debugging and troubleshooting skills

- Ownership mindset and accountability

- Comfortable working in Agile teams and pair programming

- Proactive in documentation and sharing knowledge

- Empathetic collaborator and open to mentoring peers

- Passion for clean code, performance, and continuous improvement

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