Senior Full Stack JavaScript/TypeScript Engineer; GenAI-assisted development, Node.js, React
Job in
Washington, District of Columbia, 20022, USA
Listed on 2026-10-04
Listing for:
EPAM Systems Inc
Full Time
position Listed on 2026-10-04
Job specializations:
-
Software Development
Full Stack Developer, React.js, AI Engineer (Applied/Software)
Job Description & How to Apply Below
We are looking for a Senior Full Stack JavaScript Engineer to build and ship production features end-to-end — from the database up through the API to the UI — while making AI-assisted development a genuine part of the daily workflow, not a side skill. You will own real feature work on our stack (Node.js, React, PostgreSQL/Redis, AWS or other cloud) and use tools like Git Hub Copilot, Cursor, or Claude Code as production instruments.
Responsibilities- Design, build, and ship full stack features across the JavaScript/Type Script stack — frontend (React, Next.js), backend (Node.js), and the database layer
- Own tasks end-to-end: implementation, testing, code review, and documentation
- Use AI coding assistants (Git Hub Copilot, Cursor, Claude Code, or similar) daily to implement tasks, generate tests, debug, and explore the codebase
- Apply prompt engineering and context management to get reliable, on-target output from AI tools
- Review AI-generated code critically before merging — validate correctness, check for hallucinated logic, and understand every change shipped
- Integrate with cloud infrastructure (AWS/Azure/GCP) and third-party services as needed
- Participate in code reviews, architecture discussions, and sprint planning
- Resolve production issues across the stack, using AI tools to accelerate root-cause analysis where useful
- 5+ years of professional experience as a full stack engineer
- Proficiency in JavaScript/Type Script
- Experience with Node.js and React
- Experience with database systems such as PostgreSQL, Redis, or similar
- Experience with cloud platforms such as AWS, Azure, or GCP
- Daily production experience with AI coding assistants such as Git Hub Copilot, Cursor, or Claude Code
- Ability to critically review AI-generated code
- Skills in prompt engineering: structured prompts, system vs. user prompts, clear context management
- Strong problem-solving skills and ability to work fast and efficiently under real delivery pressure
- Advanced English (B2+ or higher)
- Nice to have Proficiency in Python
- Background in platform engineering, observability, and reliability engineering
- Understanding of system design
- Experience configuring multi-step agentic workflows with multiple MCP integrations
- Skills in managing parallel AI agents safely (Git Worktree-based sandboxing) and designing reusable prompts and multi-step agentic flows
Position Requirements
10+ Years
work experience
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