Java - L5 - Kraków - HSBC (TH&SUB)

Type of contract: Employment contract

Salary range: 17400-26700 PLN gross

What will you do?

Join a strategic transformation initiative focused on building and enhancing an in-house collateral management platform. As a Senior Java Developer, you will design, develop, and integrate enterprise-grade solutions, working closely with architects, technical leads, QA engineers, and platform teams to deliver secure, scalable, and resilient applications while leveraging modern engineering practices and AI-enabled software development approaches.

Your tasks

• Design and develop Java-based microservices and backend components

• Build and integrate enterprise applications across multiple workstreams

• Collaborate with architects and technical leads on solution design decisions

• Implement robust testing strategies including unit and integration testing

• Develop and maintain CI/CD pipelines and quality controls

• Design and consume REST APIs and event-driven integrations

• Ensure application security, performance, resilience, and operational stability

• Contribute to cloud-based solution development on Google Cloud Platform

• Support delivery of AI-enabled engineering capabilities and software development practices

• Participate in troubleshooting, optimization, and continuous improvement activities

Your skills

• Around 8 years of professional software development experience

• Strong hands-on experience with Java and Spring Boot microservices

• Experience with Oracle and/or PostgreSQL databases

• Knowledge of schema design, performance tuning, and transactional processing

• Experience with JUnit, Mockito, Testcontainers, and API testing

• Experience with CI/CD tools such as Jenkins or GitLab

• Knowledge of code quality and security tooling including Sonar, SAST, DAST, and dependency scanning

• Understanding of REST APIs, integration patterns, messaging, and event-driven architectures

• Experience contributing to technical design and architecture discussions

• Hands-on experience with Google Cloud Platform

• Knowledge of GenAI concepts, LLMs, RAG, and agent-based architectures

• Understanding of AI governance, controls, and responsible engineering practices

Nice to have

• Experience in regulated financial services environments

• Knowledge of cloud-native technologies including containers and Kubernetes

• Experience with service mesh and observability tools

• Knowledge of performance engineering and resilience testing

• Experience implementing AI-enabled SDLC practices

• Hands-on experience building or integrating GenAI solutions

• Experience with prompt management, evaluation frameworks, or RAG pipelines

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