Hi, I'm Sergey

What I Do

• Interface and application design (React, Next.js)
• Backend and DevOps: Node.js, Docker, PostgreSQL, CI/CD
• Business logic integration: payments, subscriptions, Workflows
• Consulting startups and helping launch MVPs

Projects I've Been Involved In

Below are some of the projects where I've participated as a technical partner, architect, or external developer. Some I've led as part of teams, others independently.

• Brompton — bicycle configurator, fast rendering and customization
• Nescafé — sweepstakes system and secure code verification
• Plume — showcase, dashboard, notifications, automation using Zuora Workflows
• Swiss Sense — mobile showcase app for offline stores
• Winnersh Triangle and other websites for construction companies (outsourcing)
• Visualist — moodboard for designers and brands
• Abbigli — platform for handmade and creative community

Currently Working On

• Mintini — wallet for ML blockchain
• OtroTrack — app for parents of children with ASD, questionnaires and progress tracking
• Mobile Game — prototype of a multiplayer isometric game

I'm currently focused on these projects. I'm temporarily not taking new orders, but if you have an interesting idea — write to me. I'm always open to dialogue.