Full Stack Developer (JavaScript)

About the Position

We are seeking a skilled Full Stack Developer with strong JavaScript expertise to join our team in Buenos Aires, Argentina.

In this position, you will act as a central contributor within the squad, independently handling end-to-end development on a modern cloud-native infrastructure in AWS, while working in a dynamic ecosystem alongside Product, UX, the Tech Lead, and business stakeholders.

Responsibilities

• Build and refine new features using Node.js on the backend and Angular on the frontend, keeping the code clean and maintainable
• Take an active part in the squad's technical and software design discussions, sharing your perspective and enriching the architecture set by the Tech Lead
• Contribute to the deployment and monitoring of components in the cloud through AWS services such as Lambda, ECS, and EKS
• Safeguard software quality by creating and executing automated unit and integration tests with Jest and Cypress
• Uphold code performance and scalability within event-driven architectures
• Partner with Product, UX, and Business teams to interpret functional requirements and turn them into effective technical solutions
• Engage in cross-code reviews to maintain consistency and elevate the team's overall technical standards

Requirements

• No less than 2 years of hands-on professional experience as a Full Stack Developer, ideally within digital or medium to high-scalability environments
• Strong command of TypeScript, RxJS, and SCSS markup
• Solid experience with Angular for frontend development
• Applied experience with Fastify for building backend services
• Background in the design, consumption, and integration of REST APIs
• Practical knowledge or prior exposure to AWS services such as Lambda, ECS, S3, DynamoDB, and CloudWatch
• Consistent application of best practices, including Clean Code and SOLID principles
• Awareness of event-driven architectures and messaging platforms such as RabbitMQ and AWS SNS/SQS
• Quality-oriented mindset with experience in writing unit tests using Jest, along with Cypress or similar tools for E2E testing
• English at B2 level or higher, with strong written and spoken communication abilities

Nice to Have

• Prior background or knowledge of the Fintech industry, digital banking, or high-transaction platforms
• Hands-on exposure to AWS services such as Lambda, ECS, S3, DynamoDB, and CloudWatch
• Familiarity with Apache Kafka for distributed event streaming
• Practical experience with CI/CD pipelines using tools such as GitHub Actions or GitLab CI

We Offer

• Opportunity to work with a leading company in the tech industry
• Competitive compensation package
• Professional growth and development opportunities
• Collaborative and innovative work environment

About the Company

EPAM Systems is a global software engineering and product development company that partners with many of the world's leading organizations to deliver technology solutions that drive digital transformation.