JavaScript Full-Stack Developer

We are looking for a JavaScript Full-Stack Developer with AWS experience to join our team and help build scalable, high-performance production systems. In this role, you will contribute across the stack, working on both frontend experiences and backend services while participating in technical discussions that support our evolving platform.

Responsibilities
Develop and ship production-ready full-stack web applications
Build accessible, performant user interfaces using TypeScript and modern component frameworks
Implement and maintain backend services on the JVM or with shared TypeScript platform libraries
Work with data models across relational and NoSQL databases for product features
Develop and integrate APIs using gRPC, protobuf, HTTP, and REST
Deploy and support applications on AWS using containers and CI/CD pipelines
Apply caching and queuing strategies to help ensure scalability and reliability
Maintain solid testing practices across unit, integration, and end-to-end layers
Collaborate with cross-functional teams to follow technical direction and platform standards
Requirements
2+ years of professional full-stack web engineering experience contributing to production systems
Working experience with TypeScript and React, including state management, accessible UI patterns, and basic browser performance optimization
Backend experience in Kotlin or Java on the JVM
Skills in gRPC, protobuf, and HTTP/REST API development
Experience with DynamoDB and PostgreSQL for product-feature data modeling, with familiarity with Redis
Understanding of caching and queues, with awareness of eventual-consistency trade-offs
Ability to work effectively with AWS, containers, and CI/CD as a consumer
Solid testing practices across unit, integration, and end-to-end layers
Minimum English language level of B1+
Nice to have
Familiarity with a cross-platform mobile framework such as React Native, Kotlin Multiplatform, Flutter, or Capacitor
Exposure to authentication and identity systems, including OAuth/OIDC, SSO, and third-party providers
Experience with authoring tools, CMSes, or internal back-office applications
Knowledge of OpenTelemetry, structured logging (SigNoz), and design systems with shared component libraries
Exposure to EdTech / K-12 or other domains with strong privacy and accessibility requirements (FERPA, COPPA, WCAG)
Familiarity with embedding model versioning and reindex processes
Experience with pgvector or vector store operations
Background in gaming domain or QA tooling
We offer/Benefits
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

Location: Remote - Colombia, Chile, Brazil, Argentina, Mexico

Skills required for this job:

• API development
• AWS
• Accessibility
• Authentication
• Back-end development
• CI/CD
• Design systems
• Full-stack development
• Gaming
• Java virtual machine
• OpenTelemetry
• React.js
• Testing
• TypeScript
• Vector databases