Senior Backend Architect - MES Platform

Lumilens Inc.; Kraków; On-site; PLN 260,000 - 340,000; Full time

Benefits offered by this job

Equity

Greenfield project

Collaborative team

Job summary

Lumilens Inc. is building a next-generation Manufacturing Execution System (MES) to power high-volume silicon photonics production. You will help design and implement a large-scale enterprise platform, working across R&D and manufacturing teams to deliver robust backend systems and integrations.

The role spans architecture, prototyping, and production enhancements in a dynamic environment with significant ownership and impact on hardware and factory operations.

Qualifications

• 5+ years of experience building backend or distributed systems.
• Strong programming in C#, Java, or Go.
• Solid understanding of distributed systems, microservices, and API design.
• Experience with concurrency and scalable system design.
• Proficiency with Git and modern development workflows.

Responsibilities

• Design and build distributed backend systems supporting MES and shopfloor control.
• Define system architecture, APIs, and data models for high-scale environments.
• Develop microservices and integrations with ERP, vendors, and manufacturing partners.
• Lead prototyping, proof-of-concept development, and iterative system refinement.
• Design data pipelines and workflows for real-time integration across systems.
• Ensure scalability, performance, and reliability through testing and optimization.

Skills

Backend systems

Distributed systems

C# Java Go

Tools

Git

Job description

Lumilens Inc. is building a next-generation Manufacturing Execution System (MES) to power high-volume silicon photonics production. You will help design and implement a large-scale enterprise platform, working across R&D and manufacturing teams to deliver robust backend systems and integrations.

The role spans architecture, prototyping, and production enhancements in a dynamic environment with significant ownership and impact on hardware and factory operations.