Job Description, Responsibilities & Requirements
About the Position
We are looking for a Senior Ruby on Rails Engineer to join a Product & Development team working on an enterprise-level integration and automation platform.
The platform operates in the iPaaS domain, enabling seamless system integration, workflow automation, and adoption of AI / ML / MLOps capabilities at scale. In this role, you will contribute to the development of scalable backend services that power intelligent, data-driven workflows used by enterprise customers worldwide.
Responsibilities
- Design, develop and maintain scalable Ruby on Rails applications
- Build backend services supporting integration, automation and AI-enabled features
- Write clean, maintainable and testable code following TDD/BDD principles
- Work extensively with PostgreSQL, including complex SQL queries and performance optimization
- Ensure application performance, reliability and scalability
- Collaborate with product, engineering and cross-functional teams
- Participate in code reviews and contribute to engineering best practices
- Take ownership of tasks and work independently with minimal supervision
Requirements
- Strong commercial experience with Ruby and the Ruby on Rails ecosystem
- Proven ability to build and support scalable web applications
- Deep hands-on expertise in PostgreSQL, including query optimization and writing complex SQL
- Solid experience with RSpec and TDD/BDD practices
- Ability to work autonomously and take responsibility for results
- Good spoken and written English for communication in an international environment
Nice to Have
- Experience with Docker and containerized environments
- Familiarity with Redis for caching or real-time data processing
- Exposure to ClickHouse for analytics or event-based data
- Basic frontend experience using JavaScript and frameworks such as React, Angular or Vue.js
- Experience with background job processing tools such as Sidekiq or RabbitMQ
- Understanding of CI/CD pipelines and Git-based workflows
- Strong communication and collaboration skills
About the Company
EPAM Systems is a global software engineering and product development company. We partner with the world's leading companies to deliver innovative digital solutions and drive their digital transformation.