Reek is a tool that examines Ruby classes, modules and methods and reports any Code Smells it finds.
Timo Roessner
- Berlin, Germany
- 1 project
I've been a software developer and engineering leader for over two decades, blending deep technical expertise with a passion for AI innovation.
About
I’ve been a software developer and engineering leader for over two decades, blending deep technical expertise with a passion for AI innovation. I thrive on building strong engineering cultures, delivering high-impact products, and mentoring teams to achieve excellence.
I remain actively engaged in the developer community as the proud maintainer of the open source Reek gem. I’ve spent most of my professional life in international startups with a strong focus on engineering culture and productivity, and I excel at building the right teams and scaling them up as the business grows.
- Joined June 2026
Languages
- GermanFluent
- EnglishFluent
Industry experience
- Software & Internet
- Professional Services
- Media & Entertainment
- Education
- Gaming
Projects · 1
Work experience· 5 roles
Fractional CTO · Turf CoachMay 2025 – Present · 1 yr 7 mos
Sports tech startup delivering real-time data analytics on football pitch conditions; combined AI, sensors and software to deliver insights; led AI strategy and scaling the engineering organization.
CTO · AdastraJan 2023 – Apr 2025 · 2 yrs 4 mos
Interim CTO-level leadership; drove AI strategy, coaching, technical vision and rapid AI feature development; led teams building AI-powered solutions.
Fractional CTO / Freelance Developer · ToptalMar 2020 – Dec 2022 · 2 yrs 10 mos
Managed product-related development teams (around 150 developers, 25 teams).
Director of Engineering · TopTalOct 2018 – Mar 2021 · 2 yrs 6 mos
Director of Platform Engineering · PlanetOct 2016 – Dec 2017 · 1 yr 3 mos
Education
Bachelor of Science in Bioinformatics · Freie Universität Berlin2002 – 2005
Hire Timo Roessner today
Post a job and invite Timo, or contact them directly. No hidden commission.