Senior Full Stack Developer – Java, Python, Microservices

Our client is a leader in Global Markets Technology within the Corporate and Institutional Banking sector, specializing in AI-driven solutions for financial technology. The role is based in Krakow with a hybrid work model and involves working in an award-winning AI Markets team focused on natural language processing (NLP) to innovate institutional investor interactions with global markets.

• At least 5 years of extensive development experience in software engineering.
• Deep understanding of software development principles (SOLID, Clean Code, DDD, BDD).
• Demonstrable expertise in Java and Python.
• Extensive experience with Spring Framework.
• Proficiency with SQL and NoSQL databases (PostgreSQL, MongoDB).
• Prior experience with event streaming technology and microservices architecture.
• Ability to collaborate and teach engineering teams to develop new systems.
• Effective written and spoken communication skills in English, fluent level.

Nice to have:

• JavaScript / Vue.js experience.
• Knowledge or experience in machine learning, NLP, AI, data science, or prompt engineering.
• Familiarity with LangChain, LangGraph, and Clean Architecture principles.

• Collaborate within a team of 4-6 engineers alongside a dedicated product owner to deliver high-quality features.
• Break down business requirements into user stories and execute iterative deliveries to production.
• Engage in all phases of the development lifecycle, including analysis, testing, and production support.
• Maintain a focus on product support, ensuring solutions are sustainable and robust.
• Identify areas of technical debt and balance new functionality development.
• Design scalable, efficient solutions following established technology guidelines.
• Pair with team members to share knowledge and develop innovative system architectures.

Only candidates with an existing legal right to work in Europe will be considered for this role.