pansernort
Frontend Developer
Frontend developer with 4+ years of experience building scalable web applications in fintech, logistics, and analytics domains. Strong in TypeScript, React, Next.js, and Node.js, with a focus on clean architecture, modularity, and performance optimization. Experienced in automation, CI/CD, and applying AI tools (Cursor, Claude, LangChain) to speed up development and improve code quality.
Yearly salary: $128,000
Hourly rate: $20
Nationality: 🇵🇱 Poland
Residency: 🇵🇱 Poland
Experience
Frontend developer
Yandex 2024 - 2025
Worked on a logistics platform connecting delivery hubs, couriers, and pickup points. Migrated legacy modules to Next.js (App Router) and Redux-Saga, improving maintainability and SSR performance. Contributed to unit and integration testing with Jest and Playwright. Contributed to code reviews and CI/CD pipeline optimization.
Frontend developer
ExciteKit 2023 - 2024
Built A/B and MVT testing scripts in pure JavaScript/TypeScript (no frameworks) to optimize conversion and UX. Integrated custom A/B testing and analytics scripts into client websites. Applied Observer, Factory, and Adapter design patterns to ensure modular, maintainable code. Set up Jest testing, GitLab CI, and improved frontend performance.
Project manager / Frontend developer
Aeroflot 2020 - 2023
Delivered an internal crew management portal using React.js and Node.js, improving accessibility of data for flight staff. Introduced automated testing. Coordinated cross-functional teams (developers, QA, designers) and oversaw the full SDLC of internal tools.
Skills
front-end
golang
node
react
english
russian