Senior Fullstack Engineer: AI/LLM & Enterprise Integrations

EPAM Systems, Inc.; United States; Remote; ARS 1,800,000 - 3,000,000; Full time

Benefits offered by this job

Healthcare benefits

Paid time off and sick leave

Upskilling and certification courses

Job summary

EPAM Systems, Inc. seeks a Senior Fullstack Developer to bridge business needs with technical execution across a distributed, cross‑functional environment.

You will shape architectures for enterprise systems and drive real‑time integration across Salesforce, ServiceNow, Jira, and Glean. You will own complex integration challenges, including authentication, RBAC, and production cutovers, while collaborating daily with a multi‑national India‑based pod to deliver production‑ready backlogs and

Qualifications

• 3+ years of hands-on full-stack delivery experience.
• Experience delivering AI/LLM-powered solutions and tool calls.
• Strong API/integration design skills across enterprise systems.
• Proficient in AWS services: Lambda, API Gateway, ECS/EKS, S3, RDS/DynamoDB, IAM.
• Fluent English communication with US-based stakeholders.

Responsibilities

• Coordinate with product owners and stakeholders to translate use cases into architecture and backlog.
• Design and integrate agentic workflows with enterprise systems like Salesforce, ServiceNow, Jira, Glean, Oracle HCMT.
• Own complex integration challenges: authentication, RBAC, data contracts, production cutover.
• Collaborate daily with India-based pod to clarify requirements and safeguard release quality.
• Build prototypes for UI/agent flows and transition to production backlog.

Skills

TypeScript/JavaScript

React

Node.js

Python

API design

AWS

English proficiency

Tools

Lambda

API Gateway

ECS/EKS

S3

DynamoDB

Okta

Job description

EPAM Systems, Inc. seeks a Senior Fullstack Developer to bridge business needs with technical execution across a distributed, cross‑functional environment.

You will shape architectures for enterprise systems and drive real‑time integration across Salesforce, ServiceNow, Jira, and Glean. You will own complex integration challenges, including authentication, RBAC, and production cutovers, while collaborating daily with a multi‑national India‑based pod to deliver production‑ready backlogs and