Ruby on Rails Developer

Insight Global

New York, NY, United States

7 days ago

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Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Experience required

8 years minimum

Working hours

Regular working hours

Job source

www.manhattanjobs.com

Tech stack

Amazon S3 Architectural Patterns Batch Processing Data Validation Extract Transform Load (ETL) File Systems Python (Programming Language) MySQL Productivity Software Ruby on Rails Data Processing GitHub Copilot

+5 more

Rspec Software Application Programming Backend Integration Tests Data Pipelines

Job description

Our client is seeking a Senior Ruby on Rails Developer to support a high-priority batch modernization initiative. The team is migrating a legacy batch processing platform to a modern architecture leveraging Ruby on Rails 8 and the Temporal workflow platform. This project was originally planned as a multi-year effort but has been accelerated significantly, creating an urgent need for a senior engineer who can immediately contribute and work independently. The developer will be responsible for converting legacy batch jobs into modern Rails-based workflows, validating outputs against existing systems, developing automated integration tests, and ensuring production-quality implementations. The ideal candidate combines expert-level Ruby on Rails development skills with strong backend engineering experience, database expertise, and an understanding of large-scale batch processing environments. This is a hands-on, backend-focused role with minimal front-end work. Success requires strong

Requirements

problem-solving ability, ownership, and the capacity to quickly ramp up in a well-documented codebase while helping the team deliver an aggressive modernization roadmap., Must-Have Requirements

8+ years of backend software development experience with strong Ruby on Rails expertise
Hands-on experience building applications in Ruby on Rails 8 (or latest Rails versions with knowledge of Rails 8 enhancements)
Strong experience with MySQL database design, querying, optimization, and data validation
Experience developing and maintaining batch processing systems, ETL workflows, scheduled jobs, or data processing pipelines
Proficiency with RSpec and automated testing frameworks
Experience working with AWS S3 for file storage, retrieval, and artifact management
Ability to independently, modernize, and refactor legacy applications into modern architectures
Understanding of HIPAA, PII, and sensitive data handling requirements - Experience with Temporal or similar durable workflow orchestration platforms
Background in healthcare, life sciences, insurance, or other regulated industries handling sensitive data
Exposure to Go or Python
Experience using developer productivity tools such as GitHub Copilot and/or modern AI-assisted development practices
Experience leading technical modernization initiatives with minimal oversight