Lead the design, development, and optimization of scalable Spring Boot applications
Drive architectural decisions and promote clean, modular, and maintainable Java code
Design and implement robust solutions leveraging relational ( MySQL ) and NoSQL ( MongoDB ) databases
Define and enforce software architecture best practices , including Layered Architecture, DDD, and Event-Driven Design
Mentor and support engineers through code reviews, technical guidance, and knowledge sharing
Collaborate cross-functionally with Product, DevOps, and Engineering teams to deliver high-quality solutions
Troubleshoot and optimize backend performance, resilience, and security
Contribute to the improvement of CI/CD automation and deployment processes

Strong experience with Java & Spring Boot (microservices, REST APIs)
Proven experience leading technical initiatives or mentoring engineering teams
Solid understanding of software architecture patterns (Layered Architecture, DDD, Event-Driven Design)
Proficiency with SQL & NoSQL databases
Experience with TDD and testing best practices in Spring Boot (JUnit, Mockito, Testcontainers)
Experience with messaging systems (ActiveMQ, Kafka)
Strong communication and stakeholder management skills, with the ability to explain complex technical topics clearly
Good knowledge of English (both written and spoken).

Competitive salary & truly flexible work environment.
Benefit from an unlimited learning and development budget to stay at the bleeding edge of AI research, alongside a fast-track path into technical leadership or principal research roles.
Collaborate daily with an ultra-international team (18+ nationalities) spread across our offices in Milan, London and New York.
Annual company retreat at a stunning location.
Fast-track career progression , with opportunities to grow into leadership roles.

Java Tech Lead

Key skills