We are looking for a passionate Senior Full-Stack Engineer to join a team building scalable, high-impact solutions. In this role, you'll become a key contributor within the squad, working with autonomy to deliver end-to-end development on a modern, cloud-native infrastructure powered by AWS. You'll collaborate closely within a dynamic ecosystem alongside Product, UX, the Tech Lead, and business stakeholders to bring meaningful features to life.

Responsibilities

Develop and optimize new features using Node.js on the backend and Angular on the frontend, ensuring clean and maintainable code

Actively participate in technical and software design discussions, contributing your own perspective and adding value to the architecture defined by the Tech Lead

Collaborate on the deployment and monitoring of cloud components using AWS services (such as Lambda, ECS, and EKS)

Ensure software quality by writing and running automated unit and integration tests with Jest and Cypress

Guarantee code performance and scalability within event-driven architectures

Work closely with Product, UX, and business teams to understand functional requirements and translate them into efficient technical solutions

Take part in cross-team code reviews to maintain consistency and raise the technical bar across the squad

Requirements

3+ years of proven, hands-on experience as a Full-Stack Developer, ideally in digital environments or medium-to-large scale platforms

Strong proficiency with Node.js (Fastify a plus) and recent versions of Angular





Solid command of TypeScript, RxJS, and layout development with SCSS

Experience designing, consuming, and integrating REST APIs

Practical knowledge of or prior experience working with AWS services (e.g., Lambda, ECS, S3, DynamoDB, CloudWatch)

Commitment to best practices, including Clean Code and SOLID principles

Understanding of event-driven architectures and messaging systems (e.g., Kafka, RabbitMQ, AWS SNS/SQS)

Familiarity with CI/CD pipelines (GitHub Actions, GitLab CI, or similar)

A quality-focused mindset, with experience writing unit tests using Jest (Cypress or similar E2E tools a plus)

Strong soft skills: proactivity, assertive communication, teamwork, and openness to technical feedback

Nice to have

Previous experience or knowledge of the Fintech industry, digital banking, or high-transaction platforms

Hands-on experience with AWS Lambda, Amazon DynamoDB, and Amazon Elastic Container Service (ECS)

Familiarity with Apache Kafka and building CI/CD workflows

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

Integral career opportunities

Volunteer and community involvement opportunities

EPAM Employee Groups

Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn

📌 Senior Full-Stack Engineer (Node.js & Angular) (Buenos Aires)
🏢 EPAM Systems
📍 Buenos Aires