Back to SearchSenior Full Stack Developer (JavaScript)
Hybrid in Argentina: Buenos Aires
Node.js& 10 others
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We are searching for a talented Senior Full Stack Developer with solid JavaScript expertise to join our team.
In this role, you will serve as a key contributor within the squad, autonomously driving end-to-end development on a modern cloud-native infrastructure in AWS, while collaborating in a dynamic setting together with Product, UX, the Tech Lead, and business stakeholders.
Responsibilities
- Create and enhance new features using Node.js on the backend and Angular on the frontend, keeping the code clean and easy to maintain
- Play an active role in the squad's technical and software design discussions, offering your input and building on the architecture defined by the Tech Lead
- Support the deployment and monitoring of components in the cloud through AWS services such as Lambda, ECS, and EKS
- Protect software quality by developing and running automated unit and integration tests with Jest and Cypress
- Maintain code performance and scalability across event-driven architectures
- Team up with Product, UX, and Business groups to understand functional requirements and convert them into effective technical solutions
- Take part in cross-code reviews to ensure consistency and lift the team's overall technical standards
Requirements
- At least 3 years of applied professional experience as a Full Stack Developer, preferably in digital or medium to high-scalability environments
- Strong proficiency in TypeScript, RxJS, and SCSS markup
- Solid background using Angular for frontend development
- Hands-on experience with Fastify for creating backend services
- Track record in the design, consumption, and integration of REST APIs
- Working knowledge or previous exposure to AWS services such as Lambda, ECS, S3, DynamoDB, and CloudWatch
- Steady 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
- Quality-focused mindset with experience writing unit tests using Jest, along with Cypress or comparable tools for E2E testing
- English at B2 level or higher, with strong written and spoken communication skills
Nice to have
- Previous background or familiarity with the Fintech industry, digital banking, or high-transaction platforms
- Practical exposure to AWS services such as Lambda, ECS, S3, DynamoDB, and CloudWatch
- Working knowledge of Apache Kafka for distributed event streaming
- Applied experience with CI/CD pipelines using tools such as GitHub Actions or GitLab CI