Ruby Software Engineer – Code Review & Testing (Freelancer)

Deccan AI Experts; Mumbai; On-site; INR 800,000 - 1,200,000; Full time

Benefits offered by this job

Opportunity to work on high-impact projects

Collaboration with top-tier engineers

Fast-paced growth environment

Job summary

Deccan AI Experts is looking for a Ruby Software Engineer to join their team in Mumbai. You will be responsible for evaluating and enhancing Ruby-based codebases, debugging ActiveRecord queries, and running RSpec tests. With over 2 years of Ruby/Rails experience required, you'll collaborate with top engineers in a fast-paced, innovation-driven environment dedicated to building AI for Good. Expect to work on high-impact projects and use AI coding agents for repository understanding.

Qualifications

• 2+ years Ruby/Rails experience.
• Strong understanding of MVC patterns, ActiveRecord, and RSpec.
• Debugging and PR review skills required.
• Experience using AI coding platforms.

Responsibilities

• Debug ActiveRecord queries, callbacks, and MVC flows.
• Run RSpec tests and interpret errors.
• Use AI coding agents for repository understanding.
• Provide structured reasoning for correctness.

Skills

Ruby/Rails experience

MVC patterns

ActiveRecord

RSpec

Debugging

PR review skills

AI coding platforms

Job description

Deccan AI Experts is a pioneering company founded by IIT Bombay and IIM Ahmedabad alumni, with a strong founding team from IITs, NITs, and BITS. We specialize in delivering high-quality human-curated data, AI-first scaled operations services, and more. Based in SF and Hyderabad, we are a young, fast-moving team on a mission to build AI for Good, driving innovation and positive societal impact.

About the Role

As a Ruby Software Engineer, you will work across AI‑assisted development environments such as Cursor, Claude Code, and other modern coding platforms to evaluate and enhance Ruby‑based codebases. Your responsibilities include reviewing code patches, identifying and debugging issues, validating business logic, and ensuring high‑quality, production‑ready outputs.

Responsibilities

• Debug ActiveRecord queries, callbacks, and MVC flows
• Run RSpec tests and interpret errors
• Use AI coding agents for repository understanding
• Provide structured reasoning for correctness

Skills & Experience Required

• 2+ years Ruby/Rails experience
• Strong understanding of MVC patterns, ActiveRecord, RSpec
• Debugging and PR review skills
• Experience using AI coding platforms
• strong in MVC reasoning & patch evaluation.

Why Join Us?

• Work on high-impact projects that contribute to building AI for Good.
• Collaborate with top‑tier engineers and domain experts from IITs, NITs, and BITS.
• Opportunity to grow in a fast‑paced, innovation‑driven environment