Staff Lead Java Engineer w Katowice, Polska

We are looking for a Staff/Lead Java Engineer to join a greenfield initiative building a large-scale distributed backend platform for advanced manufacturing environments. The role focuses on defining system architecture, APIs, and data flows for highly scalable, event-driven systems with complex integrations and strong reliability requirements. ✅ Your responsibilities: Design and evolve distributed backend architecture for a high-scale production platform Define system architecture, APIs, and data models across multiple domains Build microservices and integration layers connecting ERP, vendors, and manufacturing systems Design and implement event-driven data flows and workflows Evaluate and adapt enterprise and open-source solutions to guide architecture decisions Drive engineering standards, reliability, and scalability practices Collaborate with R&D engineers and manufacturing domain experts Our requirements: 8+ years in backend / distributed systems engineering Strong expertise in Java and system design Proven experience with large-scale distributed architectures Strong understanding of microservices and API design Experience with event-driven systems and integrations Solid data modeling and database design skills Ability to work in R&D / ambiguous, greenfield environments Strong communication and mentoring skills ⭐ Nice to have: Experience with MES / manufacturing / industrial systems Knowledge of BOM, MRP, shopfloor, traceability Exposure to IoT / hardware integrations Experience with data streaming / cloud-native systems What we offer: Private healthcare Multisport Life insurance Opportunity to build a greenfield production-critical platform from scratch High ownership over architecture and technical direction Work at the intersection of software and physical manufacturing systems Strong R&D engineering environment