Engineering Tech Lead (Java & React)

We are looking for an Engineering Tech Lead to join a technology team developing solutions for Risk & Compliance, including Model Risk Management and Operational Risk Management. This is a full stack position with a strong backend focus. You will combine hands-on engineering with technical leadership, designing, building and operating resilient Java/Spring services while contributing to React and TypeScript front-end delivery when required.

Key responsibilities

• Provide technical leadership, take ownership of delivery and support team members in their day-to-day work.
• Design, build, and support backend services and APIs using Java and Spring (Boot/Data/REST/Security).
• Create solution designs and supporting documentation, including architecture and UML diagrams.
• Deliver end-to-end features, including React + TypeScript UI work as needed.
• Implement microservices and micro-database patterns with clear API contracts.
• Build integrations using event-driven architecture.
• Develop workflow-driven capabilities using BPMN and integrate workflow components into services.
• Engineer for production readiness: logging, error handling, resilience, and observability.
• Develop and maintain batch processing workloads where applicable.
• Drive quality through automated unit/integration testing, code scanning, and remediation of findings.
• Containerise and deploy using Docker and Kubernetes, supporting cloud services development.
• Work in an Agile (Scrum) model using JIRA and documentation in Confluence/Wiki.

What we are looking for

• At least 2 years of proven technical team leadership experience, including delivery leadership, mentoring or technical ownership.
• 8+ years of enterprise application development with strong depth in backend engineering.
• Hands-on experience with microservices and micro-database architecture.
• Experience with event-driven systems.
• Expert in Java and Spring Framework (Boot/Data/REST/Security/Profiles).
• Front-end experience with ReactJS and TypeScript (able to contribute meaningfully; backend-led).
• API specification/documentation using Swagger / OpenAPI.
• Strong automated testing practice (e.g., JUnit, mocking frameworks, H2, HttpUnit or equivalent).
• Experience writing/supporting batch programs.
• Strong appreciation for logging and error handling in production systems.
• Hands-on with Docker and Kubernetes.
• Cloud services development experience.
• Experience using code scanning tools and resolving security/quality/standards findings.
• Comfortable working in Agile/Scrum teams using JIRA and Confluence/Wiki.

Nice to have

• Risk & Compliance domain knowledge, ideally Model Risk Management.
• Spring Integration and/or Spring Batch.
• WebSockets / SSE or binary protocols.

• Experience with workflow engines or libraries such as BPMN, Flowable, Activiti or Drools, as well as working knowledge of micro-frontends.

What we offer

• B2B contract
• Hybrid work from Kraków ( 6 times per month from office)
• Benefits: Luxmed and Multisport Card