Lead Ruby Developer

4 weeks ago

Pune, India Sarvaha Systems Full time

Sarvaha is seeking a skilled and passionate Lead Ruby Developer with a minimum of 8+ years of hands-on experience in Ruby and backend architecture. You’ll work on challenging, high-performance systems and collaborate with a talented team that values quality, ownership, and clean code.

Sarvaha is a niche software development company that works with some of the best funded startups and established companies across the globe. Please visit our website at

https://www.sarvaha.com to know more about us.

What You’ll 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 8 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

Why Join Sarvaha?

- Top notch remuneration and excellent growth opportunities
- An excellent, no-nonsense work environment with the very best people to work with
- Highly challenging software implementation problems
- Hybrid Mode. We offered complete work from home even before the pandemic.

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