Location: Kraków (hybrid - 2 days in the office per week)
B2B: 200-250 PLN / h
Industry: Financial Services / Payments
We are looking for a Lead Software Engineer (Java) to work on an international payment platform used in a large-scale enterprise environment. The system supports a variety of financial transfers and payment operations across multiple regions.
This role combines technical leadership and hands-on development, including mentoring a development team and designing modern software solutions. You will work in an Agile environment with a focus on microservices, API-first architecture, and DevOps practices.
Key Responsibilities:
Provide technical leadership and mentorship to the development team.
Design, develop, and maintain applications and microservices (backend and frontend).
Work with Java 11/17/21 and frontend technologies such as React.
Modernize existing systems and migrate to API/microservice-based architectures.
Implement and improve automated testing frameworks.
Enhance efficiency and automation of processing workflows (STP).
Collaborate closely with technical teams and business stakeholders.
Requirements:
Minimum 10 years of professional experience in IT.
At least 3 years experience as a Lead / Tech Lead.
Strong knowledge of Java 11+ (Java 17+ preferred).
Experience with Spring / Spring Boot.
Strong SQL and relational database knowledge (Oracle preferred).
Experience designing REST APIs and microservice architectures.
Experience working in DevOps teams.
Knowledge of JavaScript / React (preferred).
Experience with Kubernetes and Git (required).
What We Offer:
Work on a long-term, international project with high scale and complexity.
Real impact on architecture, standards, and best practices.
Luxmed healthcare package and Multisport card.
Mature engineering environment focused on quality and automation.

