We are seeking an experienced Senior JavaScript Full-Stack Developer to build and evolve production web systems. You will deliver accessible, high-performance UIs and reliable JVM- and TypeScript-based services on cloud infrastructure. Apply to help shape and ship key platform capabilities!

Responsibilities

Design full-stack solutions that meet product needs with clear trade-offs and scalable patterns
Build TypeScript and React features with accessible UI patterns and strong client performance
Develop backend services and shared libraries using Java or Kotlin on the JVM and TypeScript where appropriate
Implement service-to-service communication using gRPC/protobuf and integrate HTTP/REST APIs
Model and evolve data in DynamoDB and PostgreSQL to support product features and reliability
Operate effectively within AWS environments, containers, and CI/CD pipelines to ship safely
Write and maintain unit, integration, and end-to-end tests to protect quality and delivery speed
Coordinate cross-team technical decisions and drive design reviews to align implementations
Improve observability and debuggability through structured logging and tracing practices
Document architecture, interfaces, and operational guidance to support long-term ownership

Requirements

3+ years of full-stack web engineering experience shipping production systems
Proficiency in TypeScript and React, including state management
Deep knowledge of UI accessibility patterns and browser performance optimization
Solid backend skills in Java or Kotlin on the JVM, or TypeScript for shared libraries
Extensive experience with gRPC + protobuf, HTTP, and REST
Hands-on data modeling experience with DynamoDB and PostgreSQL
Practical cloud platform experience using AWS, containers, and CI/CD as a consumer
Rigorous testing discipline across unit, integration, and end-to-end tests
Excellent collaboration and communication skills across teams
Clear technical writing skills for designs and operational runbooks
Upper-Intermediate English proficiency (B2)

Nice to have

Cross-platform mobile framework experience such as React Native, Kotlin Multiplatform, Flutter, or Capacitor
Authentication and identity systems knowledge, including OAuth, OIDC, SSO, and third-party providers
Experience with OpenTelemetry and structured logging tooling
Experience building design systems and shared component libraries
Familiarity with authoring tools, CMSes, or internal back-office applications

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.