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# Ruby on Rails Developer

- **Company:** Insight Global
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** 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, Rspec, Software Application Programming, Backend, Integration Tests, Data Pipelines
- **Published:** August 29, 2026
- **Apply:** https://www.manhattanjobs.com/job.asp?id=3369516086&tx=YT1313TTI&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

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

## 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


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