We are seeking a Senior JavaScript Full-Stack Engineer to design, build, and ship production features end-to-end across our stack (Node.js, React, PostgreSQL/Redis, AWS). You will integrate AI-assisted development tools like GitHub Copilot, Cursor, or Claude Code into your daily workflow to enhance productivity and code quality. This role requires strong technical expertise, problem-solving skills, and the ability to critically review AI-generated code.

Responsibilities

• Design, build, and deliver full-stack features across frontend (React, Next.js), backend (Node.js), and database layers
• Own tasks end-to-end, including implementation, testing, code review, and documentation
• Use AI coding tools daily for implementation, debugging, test generation, and code exploration
• Apply prompt engineering to achieve reliable and accurate AI-generated outputs
• Critically review AI-generated code for correctness, logic, and quality before merging
• Integrate with cloud infrastructure (AWS/Azure/GCP) and third-party services
• Participate in code reviews, architecture discussions, and sprint planning
• Debug and resolve production issues using AI tools to accelerate root-cause analysis

Requirements

• 4+ years of professional experience as a full-stack engineer
• Proficiency in JavaScript/TypeScript, Node.js, and React.js
• Experience with PostgreSQL, Redis, or similar database systems
• Hands-on experience with AWS or other cloud platforms
• Daily production experience with AI coding assistants (GitHub Copilot, Cursor, Claude Code)
• Strong prompt engineering skills and ability to validate AI-generated code
• Excellent problem-solving skills and ability to work efficiently under delivery pressure
• English proficiency at B2+ or higher

Nice to have

• System design expertise and experience with multi-step agentic workflows
• Ability to manage parallel AI agents safely and critically review AI-generated PRs
• Skilled at designing reusable prompts and multi-step agentic flows

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

Additional information

Kindly be advised that the set of benefits, including learning, certification, and other opportunities, may vary depending on the role you apply for. Our recruiter will be able to share more details about the specific opportunity during your general interview.

Kindly note that this role supports remote work, but only from within Ukraine.

EPAM strives to provide its global team of over 62,350 professionals in more than 55 countries with opportunities for professional growth from day one of collaboration. Our colleagues are the source of EPAM's success, so we value cooperation, strive to always understand our clients' business and aim for the highest quality standards. No matter where you are, you will join a dedicated, diverse community that will help you realize your potential to the fullest.