Senior Fullstack Developer

We're aiming to bring a Senior Fullstack Developer onto our expanding team. This position connects high-level business priorities with hands-on technical implementation across a widely distributed, multi-department organization. You'll infuse structured engineering rigor into fluid, still-forming problems, all while contributing to how the organization adopts and integrates new technology. It's an opportunity to make a real difference in how enterprise systems scale and connect. Responsibilities Work hand-in-hand with product owners and stakeholders across IT, Sales, Finance, and HR, coordinating schedules to support live, direct collaboration Convert vaguely defined internal use cases into robust architecture designs, UX/flow diagrams, API contracts, and a development-ready backlog for the team in India Develop and interconnect agentic workflows spanning enterprise systems such as Salesforce, ServiceNow, Jira, Glean, and Oracle HCM Take charge of demanding integration projects, covering authentication setup, MCP tool access, data contract design, RBAC configuration, error handling, and production launch Sync up daily with the India-based team to resolve outstanding questions, review pull requests, eliminate integration hurdles, and maintain quality standards ahead of release Build out prototypes when needed, spanning UI components, agent flow design, or MCP/LLM integration work, then deliver a production-ready backlog to the India team Incorporate security, observability, and reusability principles into every build so agents deliver lasting value rather than functioning as one-time demos Requirements Three-plus years of hands-on, relevant full-stack engineering experience, supported by a current and active delivery record Strong expertise in TypeScript/JavaScript paired with a modern frontend framework such as React or an equivalent tool Solid backend development background using Node.js or Python, combined with strong API and integration design capabilities Established track record delivering AI/LLM-driven solutions, including tool calling, RAG, agent frameworks, MCP, prompt workflows, or similar practical delivery Demonstrated ability to translate stakeholder workshop findings into functional architecture and a practical, actionable backlog Hands-on AWS delivery experience covering Lambda, API Gateway, ECS/EKS, S3, RDS/DynamoDB, IAM, and CloudWatch, plus enterprise authentication approaches such as SSO/Okta and RBAC Capable communicator who can lead technical discussions in English with US-based stakeholders, holding working fluency at B2 level or higher, converting business needs into agentic architecture Nice to have Understanding of MCP gateways, LLM gateways, model routing approaches, policy/audit tooling, and cost/usage monitoring systems Background implementing OpenTelemetry or similar observability tools to monitor agent traces, tool call behavior, latency, and failure patterns Practical exposure to platforms such as Salesforce, Gong, Clari, Glean, ServiceNow, Oracle HCM, Concur, or similar HR/IT tools Experience transforming internal platforms or early prototypes into reliable, enterprise-grade production solutions We offer International projects with top brands Work with global teams of highly skilled, diverse peers Healthcare benefits Employee financial programs Paid time off and sick leave Upskilling, reskilling and certification courses Unlimited access to the LinkedIn Learning library and 22,000+ courses Global career opportunities Volunteer and community involvement opportunities EPAM Employee Groups Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn EPAM is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, disability, protected veteran status, or any other characteristic protected by applicable law.