Capital Numbers Infotech
Ruby On Rails Developer
Skills
25 days ago
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Important information
Contract type:
Permanent
Salary:
₹1,500,000 – ₹2,250,000 / year
Location:
Gurugram, Haryana, India
Work mode:
Hybrid
Published on:
24 September 2026
What they need
Requirements
- ~5 years professional software engineering experience, including real production support
responsibility (not just greenfield feature work)
- Strong hands-on Ruby on Rails experience ActiveRecord, background jobs, testing,
debugging production issues
- Prior experience working in a multi-tenant software system — you should already
understand the concept and its failure modes (data isolation, tenant-scoped queries, noisy-
neighbor issues); we will not be teaching this concept from scratch on a live client system
- Strong, independent SQL ability — comfortable writing non-trivial queries against
production data for reporting and diagnostics, not just via an ORM
Comfortable scripting in Python for automation/data tasks
Practical Git/GitHub and CI/CD experience
Full-stack: backend in Rails
Strong analytical/debugging ability — can trace an issue through a live system under
some time pressure, since this role includes customer-facing production support.
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