Hannah Kaiser

Overview

17 years in software engineering, the last 1 at Vellum Robotics, where I lead the developer platform team. Led the migration of 42 services to Go. Mentored 15 engineers through their first promotion. Most at home with Bazel and Backstage. Collector of fountain pens.

Replies between meetings, usually same day

Experience

1. VP of Engineering

   Nov 2025 - Present
   Vellum Robotics · 11 mo · Full-time · Berlin, Germany
   • Led the migration of 55 services to CI/CD.
   • Cut p99 latency on the developer platform services from 702ms to 72ms.
   • Grew the developer platform team from 5 to 24 engineers.
2. Director of Engineering

   Mar 2024 - Sep 2025
   Bolt · 1 yr 6 mo · Full-time · Berlin, Germany
   • Reduced cloud spend on developer platform by 22% in two quarters.
   • Cut p99 latency on the developer platform services from 831ms to 60ms.
3. Senior Engineering Manager

   Jun 2020 - Mar 2024
   UniCredit · 3 yr 9 mo · Full-time · Berlin, Germany
   • Moved 64% of developer platform traffic off a legacy monolith without a customer-facing incident.
4. Platform Engineer

   Oct 2016 - Apr 2020
   Deloitte · 3 yr 6 mo · Full-time · Berlin, Germany
   • Shipped a rewrite that took build times from 31 minutes to under 4.
5. Platform Engineer

   Mar 2015 - Oct 2016
   Uber · 1 yr 7 mo · Full-time · Berlin, Germany
   • Brought on-call pages for developer platform down from 39 a week to 1.
   • Reduced cloud spend on developer platform by 46% in two quarters.

Projects

No references yet.

Education

1. Sorbonne University

   Licence, Information Technology
   2005 - 2008