Lead Java Developer (f/m/x)
Summary
Lead a Java team to design, build, and ship scalable backend services and REST APIs using Java 17+ and Spring Boot, while mentoring engineers and guiding architecture decisions.
We are looking for an experienced Java Tech Lead who will play a key role in shaping technical solutions, guiding the development team, and ensuring the successful delivery of high-quality software products. This position combines hands‑on development with technical leadership. You will be responsible for driving architectural decisions, mentoring engineers, collaborating with Product Owners and Business Stakeholders, and ensuring that technical solutions align with business objectives and engineering best practices.
Your tasks
- Leading technical design discussions and driving architectural decisions across the team
- Evaluating and proposing technical solutions to ensure scalability, maintainability, and performance
- Providing technical guidance and support to developers throughout the software development lifecycle
- Designing and developing backend services and REST APIs using Java and Spring Boot
- Performing hands-on coding for complex features and critical system components
- Supporting production releases and ensuring platform stability
Requirements
- At least 8 years of professional experience in software engineering with Java
- Previous experience as a Technical Lead, Lead Developer, Senior Developer with mentoring responsibilities, or a similar leadership role
- Strong expertise in Java 17+ and Spring Boot
- Solid understanding of software architecture, distributed systems, and RESTful API design
- Fluency in English
- Open to a hybrid working model with presence in the office 3 days per week
- Availability to support production releases approximately 1-2 times per month during weekends (around 2 hours per occurrence)
- Fluent Polish required
- Residing in Poland required
Job no. JOB-RQREU
Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.
Benefits For You
- Great Place to Work
- Solid financial situation
- Contracts with the biggest brands
- Centre of internal trainings
- Many experts you can learn from
- Open and accessible management team
- Profit sharing
- Passion Sponsorship program
- Regular integration events and trips
- Comfortable and well-equipped offices
- MySii app
- Medical care