Senior Full-stack JavaScript Engineer

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