logoJakub Heidtke

Experience

A timeline of roles and the engineering work I've built or contributed to.

Nov 2025 - Present

Independent Software Engineer - Personal Products

  • Designed and developed full-stack SaaS products using .NET, NestJS, React, PostgreSQL, and MongoDB
  • Built production-style authentication, background processing, API integrations, testing, and containerized deployment workflows
  • Developed Tubester, a platform for YouTube creators using .NET, React, PostgreSQL, Kubernetes, and AI integrations

Jan 2023 - Aug 2025

Senior Software Engineer at Notino (devteam s.r.o.)

  • Designed and delivered microservices, driving asynchronous communication across Azure Service Bus, and Kafka.
  • Authored an inbox-pattern background processing framework for resilient job orchestration.
  • Optimised critical data access paths and supported frontend implementation in React and TypeScript.
  • Led architectural discussions and code reviews to align cross-team delivery.

Sep 2021 - Dec 2022

Senior Software Engineer at Oriflame (devteam s.r.o.)

  • Built scalable event-driven microservices on .NET hosted in Azure Kubernetes Service.
  • Reduced database resource usage by nearly 90 percent through targeted data layer optimisation.
  • Integrated Camunda process orchestration with Azure Service Bus and designed a custom DLQ on Azure Blob Storage.
  • Delivered Azure Data Factory migrations.
  • Supported architecture decisions and peer reviews.

Jan 2023 - Feb 2023

Senior Full-stack Consultant at mScore

  • Improved the data layer and optimized SQL Server queries to resolve performance issues.
  • Delivered rapid UI enhancements in React.

Jun 2017 - Aug 2021

Senior Software Engineer at Unicorn Systems

  • Designed REST APIs and implemented auction evaluation algorithms to power enterprise-scale auction platforms.
  • Integrated with partner systems via web services, FTP, and SMTP
  • Mentored junior developers and drove clean coding standards across .NET teams.

May 2016 - Jun 2017

Junior Software Engineer at Unicorn Systems

  • Implemented new use cases, fixed production issues, and enhanced web applications built on .NET and Oracle.

Jun 2014 - Apr 2016

Global Technical Support Engineer at Korn Ferry

  • Resolved complex incidents for business analysts in 50+ countries while coordinating with UK and US engineering teams.
  • Developed a WinForms automation tool that eliminated manual workloads and accelerated service delivery.