Senior Full Stack Developer (JavaScript)

About the Position

We are seeking a talented Senior Full Stack Developer with strong experience in JavaScript to join our team.

In this role, you will become a key driver within the squad, autonomously executing end-to-end development on a modern cloud-native infrastructure in AWS, collaborating in a dynamic ecosystem with Product, UX, the Tech Lead, and business stakeholders.

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 the squad's technical and software design discussions, contributing your perspective and adding to the architecture defined by the Tech Lead
• Collaborate on the deployment and monitoring of components in the cloud using AWS services such as Lambda, ECS, and EKS
• Ensure software quality by writing and running automated unit and integration tests using Jest and Cypress
• Ensure code performance and scalability within event-driven architectures
• Work with Product, UX, and Business teams to understand functional requirements and translate them into efficient technical solutions
• Participate in cross-code reviews to maintain consistency and raise the team's overall technical standards

Requirements

• At least 3 years of professional relevant experience as a Full Stack Developer, ideally in digital or medium to high-scalability environments
• Solid proficiency in TypeScript, RxJS, and SCSS markup
• Strong experience with Angular for frontend development
• Hands-on experience with Fastify for backend service development
• Experience in the design, consumption, and integration of REST APIs
• Practical knowledge or prior experience interacting with AWS services such as Lambda, ECS, S3, DynamoDB, and CloudWatch
• Application of best practices including Clean Code and SOLID principles
• Understanding of event-driven architectures and messaging platforms such as RabbitMQ and AWS SNS/SQS
• Focus on quality, with experience writing unit tests using Jest, along with Cypress or similar tools for E2E testing
• English at B2 level or higher, with strong written and verbal communication skills

Nice to Have

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

Locations

• Buenos Aires, Argentina
• Córdoba, Argentina