Senior JavaScript Full-Stack Engineer | Cloud UI & Backend

EPAM Systems; Argentina; Remote; ARS 2,400,000 - 3,600,000; Full time

Benefits offered by this job

Healthcare benefits

Paid time off

Upskilling programs

LinkedIn Learning access

Global career opportunities

Job summary

EPAM Systems is 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.

Responsibilities include designing full-stack solutions, building TypeScript/React features, backend services in Java/Kotlin, gRPC, data modeling in DynamoDB and PostgreSQL, and AWS CI/CD workflows. Collaboration across teams is essential.

Qualifications

• 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.

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.

Skills

TypeScript

React

UI accessibility

Java or Kotlin on JVM

gRPC + protobuf

DynamoDB

PostgreSQL

AWS

CI/CD

Testing (unit/integration/e2e)

Tools

gRPC

protobuf

AWS

Docker

Kubernetes

Job description

EPAM Systems is 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.

Responsibilities include designing full-stack solutions, building TypeScript/React features, backend services in Java/Kotlin, gRPC, data modeling in DynamoDB and PostgreSQL, and AWS CI/CD workflows. Collaboration across teams is essential.