At Talentwunder, I spearheaded the development of disruptive HR software, addressing the shift from passive to active talent sourcing. As the most experienced engineer, I led the team to reduce technical debt by 70%, established a two-tier architecture transitioning towards microservices, and implemented best practices such as CI/CD and end-to-end testing. Organizationally, I introduced agile development, built a disciplined and autonomous SaaS team, and fostered a high sense of ownership, significantly improving software delivery and team performance.