EPAM is a leading general provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture.

Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

We are looking for a Senior 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, shaping both frontend experiences and backend services while collaborating on architectural decisions that support our evolving platform.

Responsibilities

- Design, 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
- Design and evolve data models across relational and NoSQL databases for product features
- Develop and integrate APIs using gRPC, protobuf, HTTP, and REST
- Deploy and operate applications on AWS using containers and CI/CD pipelines
- Apply caching, queuing, and eventual-consistency strategies to ensure scalability and reliability
- Maintain strong testing discipline across unit, integration, and end-to-end layers
- Collaborate with cross-functional teams to define technical direction and platform standards

Requirements

- 3+ years of professional full-stack web engineering experience shipping production systems
- Proficiency in TypeScript and React, including state management,



accessible UI patterns, and browser performance optimization
- Backend expertise in Kotlin or Java on the JVM
- Skills in gRPC, protobuf, and HTTP/REST API development
- Competency in DynamoDB and PostgreSQL for product-feature data modeling, with familiarity with Redis
- Understanding of caching, queues, and eventual-consistency trade-offs
- Capability to work effectively with AWS, containers, and CI/CD as a consumer
- Strong testing discipline across unit, integration, and end-to-end layers
- English proficiency at an Upper-Intermediate level (B2) or higher

Nice to have

- Familiarity with a cross-platform mobile framework such as React Native, Kotlin Multiplatform, Flutter, or Capacitor
- Background in 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)

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.

📌 Senior JavaScript Full-Stack Developer (Colombia)
🏢 EPAM Systems
📍 Colombia