Full Stack Developer (Java / Python) HSBCJP00056682

Full Stack Developer (Java / Python) – B2BContract type: B2BRate: 170–220 PLN/hourWorking time: Full-timeWork model: Hybrid (on-site presence at least 2 days per week in Cracow)Seniority level: Senior / Regular+About the projectYou will join a technology team building advanced solutions for global financial markets, leveraging technologies such as NLP, AI, and real-time data processing. The platform enables users to interact with complex market data in a fast, intuitive, and intelligent way.The team works end-to-end across the full software development lifecycle — from requirements analysis and development to testing and production support. We follow the principle: “you build it, you run it.”ResponsibilitiesWork in a team of 4–6 engineers with a dedicated Product OwnerTake business requirements, break them down into user stories, and deliver them iteratively to productionDesign and implement solutions in line with architectural and technology guidelinesActively identify and address technical debt while balancing it with new feature developmentProvide production support for delivered solutionsCollaborate closely with other engineers, including pair programmingRequired skills & experienceMinimum 5 years of commercial development experienceStrong hands-on experience with Java and PythonExtensive experience with Spring FrameworkSolid understanding of SOLID principles, Clean Code, DDD, and BDDExperience with SQL and NoSQL databases (e.g. PostgreSQL, MongoDB)Hands-on experience with microservices architectureExperience with event streaming technologiesAbility to design systems and mentor other engineersVery good written and spoken English communication skillsNice to haveExperience in Machine Learning, NLP, AI, or Data ScienceJavaScript (Vue)Clean ArchitecturePrompt EngineeringLangChain, LangGraphHow we workSelf-organising teams, no traditional sprints — we focus on continuous flowFrequent, low-risk deployments to productionStrong emphasis on code quality, collaboration, and knowledge sharingFlexible approach to technology — outcomes matter more than rigid frameworksRecruitment process (1 stage)30 minutes: discussion about the project and our way of working + short candidate introduction1.5 hours: technical interview with live coding (candidate is expected to have their own IDE ready)Why apply for an Antal job offer?When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process.About AntalAntal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research.Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.