Summary
Alex Klimenko is a Senior Software Engineer based in Tokyo with 5+ years delivering production-scale web systems across Fintech, Web3, and AI products. He combines deep frontend expertise in React, performance and UX optimization, and modern architecture patterns with hands-on backend and infrastructure work—shipping microservices, CI/CD libraries, and microfrontend solutions used across large organizations. Alex has a proven track record of lifting legacy codebases to modern stacks (raising test coverage to 90%), improving Lighthouse scores dramatically, and adding PWA and offline-first capabilities for real-world resilience. He brings practical Web3 experience—building NFT marketplaces and integrating The Graph and IPFS—while also applying AI-assisted development and AI-powered features in products. Colleagues value his tendency to dive into product environments, make pragmatic trade-offs, and create developer tooling that slashes onboarding time and stabilizes delivery.
4 years of coding experience
4 years of employment as a software developer
Computer Programming/Programmer, General, Computer Programming/Programmer, General at The Rolling Scopes school
Bachelor's degree, Information Technology, 4.5, Bachelor's degree, Information Technology, 4.5 at St. Petersburg State University of Telecommunications named after prof. M.A. Bonch-Bruevich
Computer Programming/Programmer, General, Computer Programming/Programmer, General at ITMO University
English, Russian