AI Native Software Engineer (Background core Java)

Who We Are

Building the AI-first frontier enterprise.

We are a global technology consultancy with a trademarked, AI-first approach—Gen-e2™. It redefines how enterprises build digital products and transform their organizations with AI. We do the right thing, and we do it right. We're proud to be a World Economic Forum New Champion, and a B Corp-certified company.

• We are small enough to care locally, big enough to deliver globally (10 countries, 450+ experts from 50+ nationalities)

• We are becoming an agentic organization, adopting the AI-native operating model we bring to our clients.

• We are robust and resilient (100% independent, 0 debt, founded 2009)

• We are AI-native professionals who invest in what we believe and work as a collective intelligence

• We are positive, courageous and deliver at the leading edge.
  

As a Senior Backend Java Engineer, you will be responsible for designing, developing, and optimizing robust, scalable, and secure backend solutions within modern microservices-based architectures.

• Design, develop, and maintain backend applications in Java (Java 8+), ensuring high availability and performance.

• Design and implement robust RESTful APIs, including versioning, authentication, and documentation using Swagger/OpenAPI.

• Build microservices and endpoints using frameworks such as Spring Boot and/or Jakarta EE.

• Manage and integrate relational databases (PostgreSQL, MySQL) and NoSQL technologies (MongoDB, Redis) efficiently.

• Implement and optimize data access using ORMs such as Hibernate or JPA.

• Develop unit tests and automated API tests using tools such as JUnit, Mockito, Testcontainers, and Postman/Newman.

• Apply SOLID principles, design patterns, and secure development best practices (OWASP, data validation, error handling).

• Contribute to the implementation and continuous improvement of CI/CD pipelines (Jenkins, GitLab CI, or others).

• Collaborate in agile teams (Scrum), actively participating in code reviews and pull request management.

• Identify bottlenecks, perform profiling, and optimize performance in production environments.

• Work in international environments, communicating technical solutions and documenting APIs in English.

• 5+ years of experience developing backend applications in Java.

• Strong experience designing and implementing RESTful APIs.

• Strong command of frameworks such as Spring Boot and/or Jakarta EE.

• Advanced experience with relational and NoSQL databases.

• Deep knowledge of ORMs such as Hibernate or JPA.

• Experience with automated testing (unit and API testing).

• Strong understanding of SOLID principles, design patterns, and application security practices.

• Experience working with CI/CD pipelines.

• Advanced Git skills and experience working with Agile methodologies (Scrum).

• Strong troubleshooting, debugging, and performance optimization skills.

• Advanced English (spoken and written) to collaborate with global teams.

• Use Generative AI coding tools (e.g., GitHub Copilot, Cursor) as a first-class engineering assistant for: 

• Code scaffolding and refactoring

• Code generation and optimisation

• Test-cases and documentation generation

• Build applications through AI-driven development practices, including: 

• AI-assisted debugging and troubleshooting

• Intelligent code completion and pattern recognition

• Automated documentation generation

• Apply prompt engineering best practices for reliable, repeatable engineering outcomes.

• Validate GenAI output (determinism checks, guardrails, fallback logic).

What We Offer

• Stimulating working environments

• Unique career path

• International mobility

• Internal R&D projects (including Gen-e2™)

• Knowledge sharing

• Personalized training via PALO IT Academy

• Entrepreneurship & intrapreneurship

For more on our team culture and benefits, check out our careers page.