Frontend Team Lead (React)

Frontend Team Lead (React) 📍 Warsaw Poland, Hybrid remote with 3 days from office 💼 Contract of Employment / Umowa o pracę 💰 Monthly compensation up to 8,000 USD

About the Client

Our Client is a leader in AI-powered enterprise operations, delivering digital solutions and consulting services that drive value and transform businesses. They specialize in using advanced technology to streamline operations, improve efficiency, and unlock new revenue opportunities, particularly within the private capital markets.

Their integrated ecosystem includes PaaS - Platform as a Service, the Core Platform, an AI-native enterprise operations foundation built to optimize workflows, surface insights, and accelerate value creation across portfolios; SaaS - Software as a Service, a cloud platform delivering unmatched performance, intelligence, and execution at scale; and S&C - Solutions and Consulting Suite, modular technology playbooks designed to manage, grow, and optimize company performance. With over a decade of experience supporting high-growth companies and private equity-backed platforms, brings deep domain expertise and a proven ability to turn technology into a strategic advantage.

The Role

We are looking for an experienced and passionate React Team Lead to lead the development of modern, scalable web applications. You will guide a team of React developers, enforce best practices in frontend architecture and design patterns, and ensure delivery of high-performance user interfaces. The ideal candidate has strong expertise in React (including Hooks and Context API), Redux, and frontend design patterns, and thrives in a fast-paced, collaborative environment.

Key Responsibilities

• Lead, mentor, and support a team of React developers through code reviews, 1:1s, and hands-on coaching.

  
  

• Collaborate with product managers, designers, and backend engineers to define and prioritize features.

• Own and manage sprint planning, task estimation, and delivery timelines for the frontend team.

• Architect and implement complex user interfaces using React, Hooks, and Context API.

• Maintain and evolve a scalable state management solution using Redux Toolkit.

• Enforce modern frontend design patterns (such as container/presenter, compound components, render props, and HOCs).

• Build reusable component libraries and maintain design system alignment.

• Optimize application performance, accessibility, and cross-browser compatibility.

• Drive best practices in code quality, testing, CI/CD, and documentation.

• Maintain high unit and integration test coverage (e.g., using Jest, React Testing Library).

• Contribute to frontend architecture decisions and evaluate new tools/libraries as needed.

Requirements

• 5+ years of experience in JavaScript/TypeScript with 3+ years in React.js

• Strong expertise with React Hooks, Context API, and Redux (Redux Toolkit preferred)

• Proven experience with frontend design patterns and clean code principles

• Experience integrating with RESTful APIs or GraphQL

• Solid understanding of HTML5, CSS3/SCSS, and responsive UI design

• Experience with component libraries and design systems (e.g., Storybook, Material UI, Tailwind)

• Familiarity with build tools like Webpack, Vite, and bundler optimizations

• Experience leading or mentoring engineers in a team setting

Nice to Have

• Familiarity with performance profiling tools (e.g., Lighthouse, Chrome DevTools)

• Experience with SSR/SSG frameworks like Next.js

• Knowledge of accessibility standards (WCAG)

• Contributions to open-source frontend libraries

What’s Offered

• Monthly compensation up to 8,000 USD

• Opportunity to lead a specialized frontend team in a fast-growing tech company

• Real influence on frontend architecture and design patterns