Javascript Developer

act digital EMEA - Alter Solutions

📍 Lisbon, Portuguese Republic, Portugal

Full-time Other-General Posted February 25, 2026

Job Description

Responsibilities:

- Develop and architect backend services with NestJS, leveraging its modular architecture, dependency injection, middleware, guards, and interceptors.

- Design and implement RESTful APIs with NestJS, integrating smoothly with databases using TypeORM or Prisma ORM focused on relational databases like PostgreSQL or MySQL.

- Mentor junior developers, lead code reviews, and enforce best practices in coding and architecture.

- Maintain strong emphasis on security, performance, and scalability in cloud-native application development.


Qualifications:

- Proven experience in TypeScript and NestJS with strong backend API development expertise.

- Solid understanding of React.Js for frontend development, including modern hooks and state management.

- Familiarity with containerization (Docker), CI/CD pipelines, and automated deployment in cloud environ...