Ruby & 4 others
EPAM Systems
Software Engineering
Ukraine
Posted on Jan 16, 2026
Responsibilities
- Design, implement, and maintain features in a Ruby on Rails service for payment processing systems
- Ensure functionality meets production-grade standards with appropriate test coverage across all layers, implemented instrumentation, and detailed documentation
- Troubleshoot production issues and contribute to post-incident reviews to improve reliability
- Collaborate with a global team, primarily working with peers in the Sydney timezone
Requirements
- 5+ years of professional backend development experience, with a strong focus on Ruby on Rails
- Solid understanding of building and operating production-grade systems, including familiarity with logs, traces, metrics, feature flags, and debugging live traffic issues
- Familiarity with observability tools such as Prometheus, Grafana, Sentry, and Lightstep
- Strong grasp of Domain-Driven Design (DDD) principles
- Proven experience integrating with third-party APIs and services, especially those involving nuanced state transitions (e.g., payment flows)
- Ability to write testable, maintainable, and clean code, along with knowledge of continuous integration and deployment practices
- A product-focused mindset — you care about understanding the "why" behind the work
- Excellent written and verbal communication skills in English (B2+ level)
- Time zone overlap with Sydney (AEST/AEDT)
Nice to have
- Experience in payments, fintech, or e-commerce platforms
We offer/Benefits
With us you can:
- Work on a flexible schedule remotely or from any of our comfortable offices or coworking spaces in Ukraine
- Receive the necessary equipment to perform your work tasks
- Change projects and technology stacks within EPAM
- Gain experience in various business domains (Insurance, E-commerce, Healthcare, Finance, Travelling, Media, Artificial Intelligence, and more)
- Relocation opportunities may be available for eligible candidates, depending on the role and openings at other EPAM locations
- Participate in volunteer, charity programs and communities (both technical and interest-based)
We focus on your professional growth:
- You can plan your individual career path together with your manager
- Receive regular feedback from colleagues
- Improve your English for free with certified teachers (Speaking Clubs, client interview preparation courses, etc.)
- Get the opportunity to undergo free training and certification in AWS, GCP, or Azure Clouds
- Use the internal E-learn training program (18,200+ specialized training and mentoring programs)
- Access corporate accounts on LinkedIn Learning, Get Abstract and other partner resources
- Study at EPAM Solution Architecture School with the instructors who are practicing architects
- Develop as a leader, join Delivery Management, Resource Management, Leadership Essentials school and more
- Participate in internal communities (500+ meetups, technical discussions, brainstorming sessions, online events and conferences annually)
What we offer:
- Vacation and sick leave (including a sick leave without a medical certificate)
- A wide range of Voluntary Medical Insurance programs providing both medical treatment and various preventive options (including sports activities)
- Medical insurance for family members at corporate rates
- Company support during significant life events (childbirth or adoption, marriage, etc.)
- Support for psychological comfort: discounts on services from mental health specialists or coaches, thematic training
- E-kids program - a free programming language training program for EPAMers' children