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Senior Staff Software Engineer (MES & Distribution Systems)

Lumilens· Engineering
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Cracow, Małopolskie, PolandFull-timePosted 2mo ago

About the role

Senior/Staff/Technical Lead role building a greenfield Manufacturing Execution System (MES) for high-volume silicon photonics production, integrating shopfloor control, data systems, and external platforms in a Kraków, Poland on-site setting.

Responsibilities

  • Design and build distributed backend systems supporting MES and shopfloor control
  • Define system architecture, APIs, and data models for high-scale, high-reliability environments
  • Develop microservices and integrations connecting internal systems with ERP, vendors, and manufacturing partners
  • Analyze existing MES and enterprise solutions (commercial and open-source) to inform system design
  • Translate evolving, loosely defined requirements into robust technical solutions
  • Lead prototyping, proof-of-concept development, and iterative system refinement
  • Design and implement data pipelines and workflows across multiple systems
  • Enable real-time data movement, transformation, and event-driven automation
  • Build integrations that connect manufacturing systems, external partners, and internal tools
  • Apply best practices in clean architecture, code quality, and system design
  • Conduct code reviews and enforce strong development standards
  • Ensure scalability, performance, and reliability through testing and optimization

Qualifications

  • 5+ years of experience building backend or distributed systems
  • Strong programming experience in languages such as C#, Java, or Go
  • Solid understanding of distributed systems, microservices, and API design
  • Strong database design skills (relational models, normalization, performance)
  • Experience with concurrency, parallelism, and scalable system design
  • Proficiency with Git, branching strategies, and modern development workflows
  • Strong analytical mindset with the ability to operate in evolving, ambiguous environments
  • Excellent communication skills and ability to work cross-functionally

Skills

Required:Backend developmentProgramming languagesDistributed systems & microservicesDatabase design

Benefits

  • Competitive compensation and meaningful equity
  • Opportunity to build a greenfield, mission-critical system from the ground up
  • Direct impact on cutting-edge AI and photonics infrastructure
  • Collaborative, high-caliber engineering team
  • Fast-paced, high-growth environment with significant ownership
Last updated Aug 8, 2026. Interested? Apply on the company site.

About Lumilens

Connectivity Platform for AI

Lumilens provides next-gen photonic interconnects for massively scaling out – and scaling up – AI compute infrastructure.

Photonic InterconnectsNext-Gen ManufacturingSystem-level knowledgeLumicore platformCPO/SiPh manufacturing
Company profileWebsite

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