AYN

Senior Fullstack Java & React Developer

emagine · Lisbon, Portugal · hybrid

We are looking for a Senior Fullstack Developer to join a dynamic, international Tech Hub based in Lisbon. As a Senior, you will work under broad direction, acting as a technical reference contributing to architecture decisions, code reviews, and ensuring quality through best practices and testing methodologies. We value generalizing-specialists: adaptable developers who are enthusiastic about exploring a variety of technologies and roles beyond a single stack.

Main Responsibilities

- Act as a key contributor to architecture decisions and code reviews.

- Implement REST APIs and perform back-end development with Java and Spring Boot.

- Engage in troubleshooting, bug fixing, and code optimization.

- Use version control systems to manage code effectively.

- Write comprehensive unit and integration tests.

- Produce technical documentation to support development processes.

- Implement DevOps practices and CI/CD workflows.

- Contribute to front-end development using React and Next.js.

Key Requirements

- Back-end development with Java / Spring Boot

- Spring Boot Framework

- REST API design and implementation

- SQL and relational databases (MS SQL Server or equivalent RDBMS)

- Version control with GIT

- Writing unit and integration tests

- Troubleshooting, bug fixing, and code optimization

- Technical documentation (Confluence, IcePanel)

- DevOps practices: CI/CD, GitHub workflows and actions

- Maven or equivalent package manager

- Front-end development with React, Next.js

Nice to Have

- Hibernate / JPA or equivalent ORM

- Application architecture: Microservices, Hexagonal Architecture, Event-driven Architecture, etc.

- AWS or other cloud platforms

Other Details

The ideal candidate should have a minimum of 5 and up to 8 years of experience, working under broad direction and acting as a role model to inspire team members. Enjoy the flexibility of working twice a week in the office, positioned in Oriente.

Apply on the employer’s site