Java Backend Hero

We’re looking for bright Java Backend Heroes to join our team

At Critical TechWorks, our Java Backend Developers are vital to the innovation and digitalization of BMW Group's driving machines, production, and sales processes. You will be instrumental in building robust and scalable Java backend systems that drive a wide range of BMW’s cutting-edge products. We develop, deliver, and operate the systems that allow BMW to build, sell, and distribute vehicles as well as the in-car systems that create unique sheer driving experiences.

• Backend System Development: Design, develop, and maintain scalable and efficient Java backend systems for various BMW products and services.

• Database Integration: Work with SQL and NoSQL databases to ensure seamless data storage and retrieval in line with the project requirements.

• Microservices Architecture: Implement and maintain microservices architecture, ensuring high availability and resilience of backend services.

• Collaborative Design and Implementation: Engage in domain-driven design, event sourcing, and reactive programming, collaborating closely with cross-functional teams to optimize software solutions.

• Automated Testing and Security: Develop and implement automated testing frameworks to ensure software quality and integrate security measures into backend systems.

• Agile Development and Scrum Participation: Actively participate in agile development processes and Scrum events, contributing to the continuous improvement of project workflows and team dynamics.

This is a Rockstar Developer role, our take on the classic Software Developer.

Standing as the brick-and-mortar of Critical TechWorks, it plays a crucial role in designing, developing, building, testing, deploying, and maintaining our product. You can find out more - and check other Development vacancies - at this link.

Whatever you’re working on, here’s the lowdown on the technical skills you’re likely to have:

At least 2 years of experience using Java EE.

• Experience in working with SQL and NoSQL databases.

• Familiarity with Microservices Architecture, Cloud Architecture and Container Architecture.

• Knowledge of domain-driven design, event sourcing, reactive programming, automated testing, and security.

CTW's Daily Toolkit

Apart from strong technical skills, our fast-paced, fully agile environment values autonomy, teamwork, interaction, and resilience. Therefore, our Platform Product Visionaries should:

• Embrace agile practices, especially Scrum, leveraging its events to foster a high-performing team.

• Be cross-functional, developing new skills to enable a team that owns the entire product lifecycle.

• Apply standard engineering practices using tools like version control,, and dashboards for organized development.

• Adopt DevOps best practices, including Continuous Integration/Continuous Deployment (CI/CD) pipelines for building, testing, and deploying reliable software.

• Operate software post-deployment, including outside working hours if needed (extra compensation applies).

• Travel abroad occasionally to support all phases of product development.

• Have excellent English oral and written skills. German communication skills will be a plus.

• We value diversity and encourage applications from individuals with varied backgrounds and experiences. For this position, candidates must already have the legal right to work in Portugal at the time of application.

Who we are

Critical TechWorks seeks a distinct and treasured corporate culture, that is very much our own. This means:

• Growth and Innovation: Be a key player in shaping the future of mobility through innovative

• Engineering Excellence: Immerse yourself in an environment valuing engineering process, where we create, innovate, lead, and make a tangible impact.

• Autonomy and Collaboration: Thrive in a culture that blends autonomy with teamwork, contributing to groundbreaking developments.

• Continuous Learning: Embrace constant skill enhancement in a dynamic workplace, where your contributions impact cutting-edge technology projects.

Join Critical TechWorks on our journey of innovation, excellence, and redefining the future of motion, one product at a time.

Ready to see what your recruitment journey looks like? Discover it here.

Notice: Apply to only one job; our Talent Team will analyze your profile and consider you for all relevant positions.

At Critical Techworks we are creating an inclusive culture that values our people’s different viewpoints and experiences, regardless of sexual orientation, gender, age, color, ethnicity, religion, or disability.

Our recruitment process is flexible and accessible to ensure fairness. If you need any adjustments to showcase your skills, let us know during your application. We’ll support you with care and confidentiality.

As part of our recruitment process, we may use AI-supported tools to assist in screening and organizing applications. These tools support our recruiters in structuring information, but do not make hiring decisions independently. All recruitment decisions are made by qualified human recruiters with full oversight. 

Tipo de contrato: FULL_TIME