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  • Invarion
  • Gdansk, Poland

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elepner/README.md

Hi there 👋, I'm Eduard Lepner


I'm a senior software developer at Invarion with over 10 years of experience, specializing in SaaS since 2016. I primarily work with C#/ASP.NET Core, Azure, and Angular, along with related technologies, including:

  • Azure DevOps
  • NGRX
  • RxJS
  • SQL/Azure SQL
  • DocumentDB
  • React (NextJS)
  • React Native
  • Effect-ts
  • Azure Table Storage
  • Azure Service Bus

I play a lead role in developing a feature-rich, web-based specialized vector graphics editor for traffic management. My responsibilities at Invarion include solving complex algorithmic and architectural problems, managing a small team of 4 people. For example, I work on a project enabling users to conduct swept path analysis. Additionally, I oversee cloud architecture and supervise the cloud infrastructure for the company.

In addition to my work at Invarion, during the past year I have been deeply involved in a confidential project focused on creating strong digital evidence of user actions. This work has significantly expanded my expertise in modern TypeScript ecosystems, particularly React Native, Next.js, and Effect-TS, with a strong emphasis on type-safe architectures, functional programming, and concurrency-oriented system design.

Work experience

  • 2025 – Present: Confidential Digital Evidence Platform (NDA)
    • Over the past year, I have expanded my expertise by contributing to a confidential project focused on creating verifiable digital evidence of user actions and interactions. The platform is designed to provide strong auditability, traceability, and integrity guarantees for digitally recorded events.
    • Designed and implemented cross-platform mobile and web applications using React Native and Next.js. Established a highly type-safe architecture leveraging Effect-TS, enabling reliable error handling, dependency management, and composable business workflows.
  • Nov 2019 - Now: Invarion: Senior Software Developer. Team leader. Reposibilities:
    • Developing a feature-rich, web-based specialized vector graphics editor for traffic management and swept path analysis.
    • Full end to end management of multiple core and internal projects including:
      • Come up with new features and improvements by analyzing customer feedback, support requests, telemetry data, communication with marketing team.
      • Estimating, planning, and prioritizing tasks
      • Designing and implementing new features
      • Release planning and coordination
  • Dec 2016 - Nov 2019: Powel (currently Volue): Senior Software Developer/Tech team leader
  • Jul 2012 - Dec 2016: Powel: Software Developer/ArcGIS Expert
  • Jun 2010 - Jul 2012: Kerweb: Junior Web Developer

Education

Links

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