Backend 

• Podman
• gRPC
• MongoDB
• OpenAPI
• GraphQL
• buf
• tokio
• tonic
• prost
• axum
• ASP.NET Core

Frontend

• React
• Next.js
• Redux
• emotion
• MUI
• storybook
• webpack
• fp-ts

Infrastructure & DevOps

• Kubernetes
• OpenTofu
• GitLab CI
• Linux
• direnv
• treefmt
• git-hooks.nix

Cloud Providers

• Google Cloud Platform (GCP)
• Firebase
• Amazon Web Services (AWS)
• Azure

Industry Knowledge

• Software Architecture
• Cloud-native Architecture
• DevOps, Infrastructure as Code (IaC)
• Reproducibility
• Scalability
• Functional Programming
• Open Source Development

Work Experience
05/2025 - 06/2026
Senior Software Engineer
CmdScale GmbH, Munich (Germany)

• Worked as a DevOps & Platform Engineer for clients
• Main technologies: Nix, NixOS, OpenTofu, OpenStack, Kubernetes, GitLab CI

05/2025 - 01/2026
Lead DevOps Engineer
secunet Security Networks AG, Essen (Germany)

• Supported CmdScale client as an interim Infrastructure & DevOps Lead Engineer

06/2024 - 04/2025
Senior Software Engineer & Tech Lead
upsquared GmbH, Hamburg (Germany)

• Lead Cloud-native Development, Infrastructure & DevOps solutions
• Main technologies: Rust, Nix, Kubernetes, OpenTofu, TypeScript, React, Next.js, MongoDB, GitLab CI, GCP
• Onboarding, mentorship & technical leadership of new team of engineers

10/2019 - 05/2024
Senior Software Engineer
upsquared GmbH, Hamburg (Germany)

• Full-Stack Architecture, Development, Infrastructure & DevOps for Cloud-native solutions
• Main technologies: C#, Rust, Nix, Kubernetes, Terraform / OpenTofu, React, MongoDB, GitLab CI, GCP
• Adopted Nix for reproducible builds & environments used both locally for development and for CI/CD
• Expanded Observability using Sentry and integrations with Rust, C#, React & Kubernetes
• Adopted Rust into our tech stack due to its strong type system, excellent tooling, safety & performance
• Established reference architecture using Rust, Google Cloud Run, MongoDB Atlas, Nix & GitLab CI with scalability and evolution from monolith to microservices in mind

04/2019 - 09/2019
Senior Software Engineer
Digital Spring, Dirk Solbach, Hamburg (Germany)

• Full-Stack Architecture, Development, Infrastructure & DevOps for Cloud-native solutions
• Main technologies: C#, ASP.NET Core, TypeScript, Service Fabric, Cosmos DB, Azure, AWS

10/2016 - 03/2019
Software Engineer
Digital Spring, Dirk Solbach, Hamburg (Germany)

• Full-Stack Development, Infrastructure & DevOps for Cloud-native solutions
• Main technologies: C#, ASP.NET Core, TypeScript, Service Fabric, Cosmos DB, Azure, AWS
• Created a microservice-based backend with ASP.NET Core & Azure Cosmos DB
• Implemented frontends in React & Angular for different projects
• Built serverless backends for various client projects with AWS Lambda & Serverless framework
• Migrated Windows containers to Linux containers to improve performance
• Migrated from Azure Service Fabric to Kubernetes for container orchestration

06/2015 - 09/2016
Software Engineer
Werum IT Solutions GmbH (now Körber Pharma Software GmbH), Lüneburg (Germany)

• DCS/PCS and ERP interface development with .NET and PL/SQL

08/2012 - 06/2015
Trainee - Software Engineering
Werum IT Solutions GmbH (now Körber Pharma Software GmbH), Lüneburg (Germany)

• Process automation (DCS/PCS) interface development with .NET

• Rust
• Nix
• TypeScript
• C#
• HCL
• Bash
• Nushell