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Filipp
@kotfil
Software Engineer l FullStack l Web Mobile App Developer
Ucraina
Inglese, Ucraino, Russo
Chi sono
Hi! I’m Filipp — a Fullstack Web Developer with 5+ years of experience building scalable, maintainable, and high-performance web applications for startups and companies. I turn complex business requirements into robust, efficient, and reliable solutions. Expertise: React, Next.js, NestJS, Node.js, TypeScript, PostgreSQL, MongoDB, GraphQL, FastAPI. I help businesses deliver secure apps, optimize performance & SEO, implement RBAC, payments, real-time features, and CI/CD pipelines. Focused on quality, innovation, and results, I bring your ideas to life.
Competenze
Filipp
offline •
Consulta i miei servizi
Siti web personalizzati
I will build fullstack react nest node postgres apps and spa
Siti web personalizzati
I will develop rest or graphql backend api and nestjs postgres
Portfolio
Esperienza lavorativa
Senior Software Engineer
FAINA
Nov 2025 - Present • 6 mos
Developing a high-load online fiscalization system for bus transportation and ticketing. Architected a fault-tolerant Node.js microservice for real-time ticket fiscalization and receipt generation, handling high concurrency. Implemented comprehensive monitoring and alerting for the fiscal API, ensuring 99.9% uptime for business-critical operations
Senior Software Engineer
JENYCLEAN
Aug 2025 - Dec 2025 • 4 mos
Built a custom CRM and booking platform for a cleaning service business to automate operations. Engineered a bespoke CRM system from scratch to manage orders and cleaners' schedules, reducing manual dispatch time by 40%. Developed an intuitive frontend booking flow (Next.js) with integrated payments, increasing online conversion rates by 25%.
Software Engineer
TRAVELISH / TICKETS.US
Mar 2025 - Aug 2025 • 5 mos
Enhanced core booking functionality for US-based flight aggregation platforms using an AI-driven stack. Engineered a smart flight search engine using Convex and OpenAI to provide personalized itinerary suggestions, reducing query response time by 30%. Integrated Clerk for secure authentication and Arcjet for bot protection, plus Mapbox for route visualization.
