Senior Frontend Software Engineer (Team Leader) @ Wakacje.pl
Core
Designing and optimizing scalable frontend architecture for web service listings to enable customers to search and compare offers, with a focus on high performance on desktop and mobile.
Role type
Senior Frontend Team Leader (IC + Leadership)
Builds
High-performance web service listings (offers search and comparison)
Domain
Travel technology / E-commerce
Deliverable
product features
Required skills
Advanced JavaScript (ES6+), TypeScript, React, Next.js (App Router, Server Components), Redux, REST API integration, Unit testing (Jest, Vitest), Browser performance optimization, CI/CD pipelines
Preferred skills
Microfrontends, SQL/NoSQL, PHP, GoLang, AI coding tools (Codex, CloudCode)
Technologies
React, TypeScript, Next.js, Redux, Jest, Vitest, GitLab CI/CD, REST, WebSockets
Responsibilities
Designing modular and scalable frontend architecture, optimizing rendering and state management, ensuring high performance metrics (TTFB, LCP, FCP), delegating tasks and managing team development, collaborating with architects and engineering managers
Seniority
Senior, hands-on IC with team leadership