Cezary Falba
Senior Full-Stack Engineer & Technical Lead
20 years building products from zero to acquisition.
Small business?
Fixed-price website & systems modernizationSelected outcomes
Core contributor to a video platform acquired by HTC ($48m, 2011)
Led a blockchain analytics product frontend through acquisition and its post-acquisition rewrite
Sole engineer rebuilding the front end of a European public-sector cybersecurity incident-response platform - live throughout
Delivered the CES 2017 Lenovo prototype that secured $250k investment and shipped preinstalled on laptops
Selected work
Venato
Led a blockchain analytics product's frontend through acquisition and its post-acquisition Angular -> Next.js rewrite.
IRIS
Sole engineer rescuing a failed rewrite of a European public-sector cybersecurity platform, delivered incrementally with zero downtime.
Bookteq
Scaffolded a B2B booking SaaS from zero; still live and operating years later.
Expertise
Frontend Architecture
Designing and modernizing complex frontend applications with focus on maintainability, scalability, and long-term product evolution.
Security & Incident Response
Security-focused engineering across authentication, authorization, infrastructure hardening, and incident response platforms.
Backend Systems
Building secure backend services, APIs, authentication systems, and distributed applications.
Cloud & Infrastructure
Production-oriented infrastructure engineering, containerized deployments, CI/CD, and cloud-native architecture.
APIs for AI Agents
Designing and hardening APIs so automated clients, including AI agents, can use them safely: clear contracts, scoped access, and audit trails. Early proof-of-concept work with LLM workflows.
Blockchain & Decentralized Applications
Designing and building decentralized applications, smart contract integrations, portfolio management systems, and Web3 infrastructure across EVM-based ecosystems.
How I Work
I believe good software architecture is the foundation of successful long-term products. I prefer pragmatic engineering, incremental modernization, maintainable systems, and practical problem solving over unnecessary complexity.
Running a small business with an outdated website or system?
I offer fixed-price modernization packages - one experienced engineer, no agency overhead.
See modernization services