Product minded backend/fullstack engineer

7/2023 – 10/2023

Help Personio launch Personio Whistleblowing:

- Implement some critical changes in the product couple of weeks before the launch (add another level of multitenancy)
- Improve the tooling and infrastructure around the project
- Scan for security issues and implement fixes
- Mentor the team via calls and code reviews

Go (Programmiersprache), TypeScript, Kubernetes, React (JavaScript library)

6/2022 – 12/2022

Relaunch BackHQ as Personio Conversations in less than two months, adapting the code to run into the Personio infrastructure. Grow the team, bring new members up to speed and mentor them on an ongoing
basis.

Main tasks:
- port the stack from AWS fargate to K8S
- remove the existing login system and integration with Personio's authn/authz framework instead
- port the CI from Github Actions to Gitlab CI
- train a new team on the codebase

GraphQL, Go (Programmiersprache), TypeScript, Kubernetes, React (JavaScript library)

9/2019 – 6/2022

Lead engineer in the backend team, owning a Go gRPC server (elegant monolith) talking to a Typescript GraphQL API gateway:
- Discuss feature requirements with the product team, come up with technical proposals, and implement them.
- Manage all infrastructure aspects, from CI pipeline to monitoring and log collection, from deployment scripts to access control and audit.
- Deal with production issues, customer support, and help sales with technical questions.
- Onboard both junior and senior engineers in the team, evangelize best practices among team members, keep tech debt in check.
- Develop a document suggestion service based on sentence similarity analysis.
- Analyze and fix stability and performance issues across the stack (frontend to backend).

GraphQL, Go (Programmiersprache), Python, TypeScript, React (JavaScript library)