Lead Fullstack Engineer (Kraków, PL, 30-302)
Software Engineering
Poland · Kraków, Poland
Posted on Aug 14, 2026
Type of contract: Employment contract
Salary range: 17400 - 26700 PLN gross
What will you do?
As a Lead Full Stack Engineer, you will join a global team delivering solutions within the Risk & Compliance area. You will be responsible for designing, developing and maintaining modern applications with a strong focus on backend engineering in Java and Spring while contributing to frontend development using React and TypeScript. You will play a key role in technical decision-making, solution design and ensuring high-quality software delivery.
Your tasks
- Design and develop scalable backend services using Java and Spring
- Build and maintain REST APIs and microservices
- Contribute to frontend development using React and TypeScript
- Prepare technical designs and solution documentation
- Implement event-driven integrations and workflow-based solutions
- Develop and support batch processing applications
- Ensure application reliability through proper logging, monitoring and error handling
- Create and maintain automated tests
- Containerize and deploy applications using Docker and Kubernetes
- Support cloud-native application development
- Collaborate with cross-functional Agile teams
- Provide technical leadership, mentoring and code reviews
Your skills
- 8+ years of experience in enterprise application development
- 2+ years of technical team leadership experience
- Expert knowledge of Java and Spring Framework (Boot, Data, REST, Security)
- Experience with microservices and micro-database architecture
- Experience building event-driven systems
- Experience with ReactJS and TypeScript
- Experience with Swagger and OpenAPI
- Experience with automated testing frameworks such as JUnit
- Experience developing and supporting batch processing applications
- Knowledge of logging, monitoring and production support practices
- Hands-on experience with Docker and Kubernetes
- Experience developing cloud-based applications
- Experience using code quality and security scanning tools
- Experience working in Agile Scrum teams using JIRA and Confluence
Nice to have
- Experience in Risk & Compliance projects
- Knowledge of Model Risk Management
- Spring Integration or Spring Batch
- Experience with BPMN-based workflow solutions
- Knowledge of Flowable, Activiti or Drools
- Experience with WebSockets or SSE
- Knowledge of micro-frontend architecture
We offer
- Hybrid work in our client's office (Kraków) 8 days a month
- Working in a highly experienced and dedicated team
- Benefit package tailored to your needs (medical, sport, lunch subsidy, life insurance, etc.)
- Online training and certifications
- Access to e-learning platform
- Social events