Full-stack engineer with 20+ years building production systems. Deep expertise in Ruby/Rails and JavaScript/React, designing scalable architectures for mission-critical systems.
Proficient in multiple languages and frameworks. The listed stack reflects tools I favor for maintainable, well-architected systems across startup and enterprise contexts.
Lead technical direction since 2014, guiding the company from early startup through YC W17 to enterprise scale. Work on the Platform team today, owning system architecture, core capabilities, and foundational data models. Build in Ruby, Rails, and JavaScript.
Built Tapes, a lightweight screencasting app for macOS. Worked across Ruby, Objective-C (iOS/macOS), and JavaScript.
Led the web development team building platforms for education and military clients. Provided architectural guidance across projects and established engineering standards.
Built a real-estate search engine aggregating listings from partner agencies across Poland. Owned the application end-to-end as sole engineer and architect: crawlers, partner integrations, APIs, and infrastructure. Ran for 7 years with minimal intervention.
Co-founded an agency delivering CMS, e-commerce, and intranet solutions. Led the technical side while liaising with clients on requirements and specifications. Brought in the majority of new projects through business development.
Built and maintained the platform end-to-end, covering full-stack development and server administration.
Built and maintained an e-commerce platform for contact lenses and accessories, with a patient-support portal for ophthalmologists.
Delivered PHP and Python (Django) applications for various clients.
Master's thesis: Functional concurrent programming for multi-core computers.