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 integral 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

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