Senior Full Stack Engineer (TypeScript, Node.js)

EPAM Systems

Philadelphia, PA

JOB DETAILS
SKILLS
Accidental Death and Dismemberment (AD&D), Application Integration, Artificial Intelligence (AI), Dental Insurance, Ecosystems, Employee Assistance Plan, Flexible Spending Accounts, Healthcare, Incident Response, Insurance, Leadership, Leading Edge Technology, Legal, LinkedIn, Memory Management, Model Validation, Node.js, On Call, Performance Tuning/Optimization, Problem Solving Skills, Production Support, Reporting Dashboards, Scalable System Development, Software Agents, Systems Scalability, Team Lead/Manager, Time Management, Use Cases, User Interface/Experience (UI/UX), Vision Plan, Web Programming
LOCATION
Philadelphia, PA
POSTED
Today

We are seeking a highly skilled Senior Full Stack Engineer with deep expertise in TypeScript and Node.js, and hands-on experience building AI-driven, agentic systems. In this role, you will help shape the future of digital experiences by advancing a fully AI-native architecture, including intelligent agents, dynamic user interfaces, and scalable infrastructure.

You will collaborate closely with engineering leadership, contributing to both new feature development and production support for innovative AI-powered platforms.

Responsibilities

• Design and develop scalable backend services using Node.js and TypeScript

• Build and extend agentic systems leveraging LangGraph (Node.js ecosystem)

• Enhance and maintain agent infrastructure, including: memory and session management, file spaces and document handling, evaluation frameworks (e.g., Morpheus)

• Contribute to the development of AI-powered user experiences, such as: evolving native web experiences toward an “AI-native” platform, developing an AI Center (subject to business direction), building AI-driven dashboards (e.g., Digital Advisor for Client Assist use cases)

• Develop reusable Stencil web components, integrated into Angular-based applications (e.g., EAA)

• Work across the full stack with balanced frontend and backend responsibilities

• Provide 24/7 production support coverage, including participation in on-call rotations, incident handling, and timely resolution of production issues

• Collaborate directly with engineering leads and distributed teams

Requirements

• Strong proficiency in TypeScript (core requirement)

• Solid backend development experience with Node.js

• Hands-on experience building full-stack applications

• Experience with component-based frontend architectures

• Understanding of system design, scalability, and performance optimization

Nice to have

• Experience with LangGraph (Node.js) or similar agent orchestration frameworks

• Hands-on experience building AI/agentic systems, including: LLM integration (OpenAI, Anthropic, etc.), agent workflows and orchestration, memory and context management

• Experience with evaluation frameworks for AI systems (e.g., model evaluation, validation pipelines)

• Familiarity with Stencil web components and integration into Angular applications

• Experience building AI-driven products or dashboards

• Exposure to evolving AI-native UX patterns

We offer/Benefits

• Medical, Dental and Vision Insurance (Subsidized)

• Health Savings Account

• Flexible Spending Accounts (Healthcare, Dependent Care, Commuter)

• Short-Term and Long-Term Disability (Company Provided)

• Life and AD&D Insurance (Company Provided)

• Employee Assistance Program

• Unlimited access to LinkedIn learning solutions

• Matched 401(k) Retirement Savings Plan

• Paid Time Off

• Legal Plan and Identity Theft Protection

• Accident Insurance

• Employee Discounts

• Pet Insurance

• Employee Stock Purchase Program

EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our clients, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

About the Company

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EPAM Systems