Senior Fullstack Java & React Developer
Summary
Senior fullstack developer at Loop Future's Lisbon tech hub: builds Java/Spring Boot back ends with REST APIs and relational databases, plus React/Next.js front ends, with testing, documentation and CI/CD via GitHub Actions. Acts as a technical reference on architecture decisions and code reviews across client domains like media, retail and space.
Loop Future combines technology, innovation, and sustainability to create digital solutions that shape the future. By integrating software engineering, cloud solutions, salesforce expertise, and intelligent sourcing, Loop Future connects people, systems, and industries — driving efficiency, growth, and global impact. We are Headquartered in Portugal, but also have international offices in the UK, Switzerland and India. The company brings together a diverse and talented team committed to delivering cutting-edge digital experiences into domains such as TV & Media, Satellite & Space, Consultancy, Retail and many other domains.
About Role
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.
Responsibilities
- Contribute to architecture decisions and technical design processes.
- Act as a technical reference and support high-quality engineering practices across the team.
- Perform code reviews and contribute to troubleshooting, bug fixing and code optimisation.
- Develop and maintain back-end services using Java and Spring Boot, including REST APIs and relational databases.
- Develop front-end solutions using React and Next.js.
- Write unit and integration tests and support testing methodologies across the development lifecycle.
- Contribute to CI/CD practices, GitHub workflows/actions and technical documentation.
Requirements
- 5 to 8 years of professional software development experience.
- Strong back-end development experience with Java and Spring Boot.
- Experience designing and implementing REST APIs.
- Strong SQL knowledge and experience with relational databases such as MS SQL Server or equivalent RDBMS.
- Front-end development experience with React and Next.js.
- Solid experience with Git version control.
- Experience writing unit and integration tests.
- Strong troubleshooting, bug fixing and code optimisation skills.
- Experience with DevOps practices, including CI/CD and GitHub workflows/actions.
- Experience with Maven or an equivalent package manager.
- Ability to create and maintain technical documentation using tools such as Confluence and IcePanel.
Nice to Have
- Hibernate / JPA or equivalent ORM experience.
- Knowledge of application architecture patterns such as Microservices, Hexagonal Architecture and Event-driven Architecture.
- Experience with AWS or other cloud platforms.
Ready to shape the future?
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