I build products and organizations where AI isn't a feature but the way of working: over 4 years I turned my team agentic-first, doubling velocity and freeing time for real architectural work. I work leader-leader built on trust, with engineers who fully own their domains.
Engineering Manager · LeasingMarkt.de / AutoScout24
03/2022 - now
Düsseldorf - LeasingMarkt GmbH is a car leasing marketplace with 2M+ monthly visitors, acquired by AutoScout24 Group. I led developer teams as an engineering manager and a tech lead.
- -Managed 15 developers across 4 engineering teams following LeasingMarkt's acquisition by AutoScout24 Group
- -Built an agentic development suite (Claude, Codex) with agents, skills, and AI-first workflows adopted across the team
- -Migrated on-premises infrastructure to AWS, then cut resulting AWS spend by 80% through optimization
- -Migrated engineering org to GitHub and re-architected CI/CD pipelines
- -Doubled team velocity (story points/sprint) by redesigning agile workflows and introducing AI-assisted development tooling
- -Owned full performance management cycle - 1:1s, reviews, PIPs, exits
People ManagementHiringPerformance ManagementTeam LeadershipStakeholder Management
PHPLaravelAWSCDKClaude CodeMariaDBAgileGitHub ActionsGitHubCodex
CTO · SportSpar
07/2019 - 03/2022
Leipzig - SportSpar is an online outlet for discounted sportswear and equipment, processing thousands of orders per day across multiple European markets.
- -Hired, organised and managed a team of 7 developers
- -Fully rebuilt PMS architecture, infrastructure, test coverage, message queue
- -Established team-oriented agile development processes
- -Introduced quality standards and automated them via CI/CD processes
- -Dramatically improved order processing speed
People ManagementHiringTeam Leadership
PHPMariaDBLaravelRabbitMQPHPUnitAgileRedisGitlab CI/CDYoutrackAnsible
Integrations Lead / Developer · TraSo
05/2014 - 06/2019
Leipzig - TraSo GmbH builds backend software for tour operators to place billions of travel offers on the market every day.
- -Inherited the most problematic module; turned it into the most stable part of the system
- -Drastically reduced the amount of errors with thousands of unit tests
- -Tripled the number of connected third-party services/APIs
- -Took over further domains: booking and transfer interfaces, OTDS export
- -Organised, took over and mentored the integrations team
PHPMySQLZend FrameworkPHPUnitGitJiraStashBambooGitLab