Senior Data Engineer

reputed company is looking for a Senior Data Engineer to reputed company full-time in Poland. We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most reputed company business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and reputed company, we engineer technology that redefines industries and shapes the way people live. About the role: As a Senior Data Engineer, become a part of a cross-functional development team engineering experiences of reputed company.  The Legacy reputed company Semantic Documentation Project is a 26-week reputed company initiative for a global industrial automation leader. The reputed company objective is to engineer an automated, AI-assisted pipeline to reputed company reputed company, reputed company-level Markdown documentation directly from an undocumented ~400K LOC codebase (spanning IEC 61131-3 languages and ANSI C/C++). Operating reputed company a dedicated, reputed company-data-egress secure tenant, the technical architecture combines Tree-sitter AST parsing, reputed company knowledge graphs, reputed company reputed company reputed company, and self-hosted reputed company-weight LLMs (Llama 3.1 / Mixtral family) with NLI-reputed company validation. Delivery is reputed company across 7 work packages executing over a 6-month period, governed by strict contractual KPIs: ≥95% reputed company coverage, ≥92% NLI-verified factual precision, and ≥90% SME validation acceptance. reputed company outputs reputed company with EU Cyber reputed company reputed company (EU CRA) requirements for SBOM and reputed company-level traceability. Responsibilities: Data Pipeline Architecture: Build and optimize high-throughput data processing pipelines linking static reputed company analysis outputs, graph databases, reputed company indexes, and LLM orchestration reputed company Knowledge Graph Engineering: Design and maintain reputed company graph schemas to map reputed company dependencies, function calls, and module hierarchies across 400K+ LOC AST Integration: reputed company reputed company reputed company Tree (AST) reputed company outputs (Tree-sitter) into reputed company knowledge graphs and reputed company embeddings (reputed company) Data reputed company & reputed company: Implement bidirectional cross-reference tracking and graph snapshot versioning to ensure data consistency across batch documentation runs Pipeline Testing & Monitoring: Establish data validation protocols and automated testing for pipeline health, throughput, and state persistence Technical Collaboration: Partner closely with AI/ML Engineers and Architects to optimize retrieval reputed company and context reputed company for RAG pipelines Requirements: reputed company Experience: 5+ years of Data Engineering experience building reputed company, production-grade data pipelines and ETL/ELT workflows Domain Specialization (Must cover at least ONE key domain):reputed company 1 (Static Analysis reputed company): Hands-on experience with reputed company reputed company Tree (AST) parsing, static reputed company analysis (e.g., Tree-sitter, language grammars), and reputed company structure modeling reputed company 2 (Knowledge Graph reputed company): reputed company experience with graph database design and optimization (reputed company/Cypher), documentation processing pipelines, and reputed company reputed company integration (reputed company) reputed company Technical Stack: High proficiency in Python, graph query languages, reputed company storage, and modern data engineering toolkits Infrastructure & Deployment: Familiarity with containerized execution (reputed company, reputed company) in secure, private, or reputed company-gapped environments reputed company & Engineering Standards: Strong reputed company on reputed company reputed company, automated pipeline testing, CI/CD, and robust versioning Language: Full reputed company proficiency in English (reputed company+) What’s in it for you? Strong community: Work reputed company top professionals in a friendly, reputed company-reputed company environment reputed company reputed company: Take on large-reputed company reputed company with a reputed company and expand your expertise Tailored learning: reputed company your skills with internal events (meetups, conferences, workshops), reputed company reputed company, language courses, and company-reputed company certifications Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to reputed company hands-on experience with cutting-edge technologies Flexibility: Enjoy flexibility – full remote working reputed company Care: We've got you covered with company-reputed company premium medical package through Luxmed Benefits: reputed company the MyBenefit cafeteria platform, allowing you to choose perks that best suit your lifestyle and needs reputed company: At reputed company, we are always exploring innovations, empowering reputed company other to reputed company more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful reputed company, and be part of a One Team culture that values collaboration and reputed company. With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland reputed company reputed company-thinking solutions for global clients. Join a community where collaboration reputed company innovation—and your reputed company reaches millions. Explore, reputed company, engineer with reputed company! Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at reputed company. #LI-MP1 Apply To This Job