Engineering Tech Lead (Java | AI/LLM) w Kraków, Polska

Engineering Tech Lead (Java | AI/LLM) Kraków, Poland | Hybrid (6 days/month in the office) International Banking Project Employment via Antal (B2B or Employment Contract / UoP) We are looking for an Engineering Tech Lead to drive the development of modern Java-based applications while leading the adoption of LLM, Prompt Engineering, and Agentic AI solutions. This role is ideal for someone with hands-on experience building and operating production-grade AI systems—not someone who has only used generative AI tools. Your responsibilities Lead technical design and architecture decisions while mentoring the engineering team. Design, develop, and deliver high-quality applications using Java/Spring Boot and React. Build and optimize CI/CD pipelines, Kubernetes-based deployments, and cloud infrastructure. Design, test, and optimize prompts for production LLM use cases. Build and maintain Agentic AI solutions, including tool/function calling, multi-agent workflows, evaluation pipelines, observability, and guardrails. Partner with product and business teams to translate business requirements into scalable technical solutions. What we're looking for Proven experience as a Tech Lead, Lead Engineer, or Senior Software Engineer. Strong hands-on expertise in Java, Spring Boot, and React. Experience with Kafka, PostgreSQL, and Redis. Solid knowledge of Kubernetes, Terraform, and CI/CD practices. Experience working with AWS, Azure, or GCP. Hands-on experience delivering LLM-powered applications into production, including Prompt Engineering, prompt evaluation (e.g. LangSmith, PromptFlow, Braintrust), structured outputs, function/tool calling, and agent orchestration. Nice to have Experience designing autonomous or multi-agent AI systems. Knowledge of LLM observability, evaluation frameworks, and responsible AI practices. Experience working in highly regulated environments such as banking or financial services. What we offer Long-term project for a global banking client. Opportunity to build production-grade AI solutions using the latest LLM technologies. International engineering environment with real influence on technical direction and architecture. Hybrid work model – 6 days per month from our Kraków office. 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 Antal Antal 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. Discover our latest job openings: Follow us on LinkedIn: