Feliks
Khafizov

Partnering with early-stage founders to turn uncertain product ideas and fragile MVPs into dependable production systems.

• System architecture from zero to production
• Refactoring unstable codebases into predictable systems
• Integrations across auth, payments, and AI pipelines
• Performance optimization and SEO-critical frontends

Worked on production frontend systems and open-source projects within a high-level engineering consultancy.

• Contributed to complex SPA systems and performance-critical interfaces under NDA
• Developed and maintained open-source tools used in production environments
• Improved stability across existing codebases in a distributed team

Built user-facing Web3 platforms and integrated blockchain workflows into production web systems.

• Built NFT-based applications with Next.js and production-ready architecture
• Integrated wallets, transaction flows, and contract interactions
• Designed backend logic with Firebase and deployed infrastructure on Google Cloud

Led frontend development for a production system in an enterprise environment.

• Owned frontend architecture, codebase evolution, delivery, hiring, and team performance
• Restructured a legacy SPA with clear module boundaries and isolated state
• Led new applications from zero to production and formalized Kanban workflows
• Hired and mentored frontend engineers, establishing onboarding and code standards

Started with UI implementation and grew into a frontend engineer working on production SPA systems.

• Built and maintained responsive interfaces for high-traffic web applications
• Implemented Vue.js features with state management and component architecture
• Integrated backend APIs and contributed to the migration from server-rendered templates

Independent software development projects for early clients.

Built game logic and interactive systems as an early-career programmer.