Frontend Product Engineer (React + TypeScript)

Location: Warsaw, Poland - Hybrid (4 days on-site / 1 day remote)
Contract: B2B · 25-40 k PLN net / month + RSUs

Why Fresha & Why Now?

Fresha is re-imagining how the global beauty and wellness industry runs. 120k+ businesses, 450k+ professionals, millions of clients, and 1 billion+ appointments already rely on our platform for everything from bookings to payments.

Join us at a moment of rapid scale - your work will surface on screens around the world within days, not quarters.

What You’ll Do

* Own and evolve our core booking & scheduling engine - the heartbeat of Fresha - ensuring it scales smoothly and delivers seamless experiences for millions.
* Design, build, and ship new user-facing features in React + TypeScript, reaching millions of professionals and clients.
* Own features end-to-end: discovery, technical design, implementation, testing, rollout, and observability.
* Tap into (and extend) our Design System to ship polished UI quickly while raising the bar for consistency.
* Write robust automated tests (Cypress, Jest, React Testing Library) and keep the CI/CD pipeline green.
* Partner closely with Product, Design, Backend, Infrastructure, and Mobile engineers to take features from discovery to rollout and beyond.
* Accelerate with AI: harness AI agents, LLM-powered coding tools, and access to a wide range of AI tools (e.g., chatbots, dev assistants).
* Curious about backend, DevOps, or mobile? Great - we’ll support you in exploring any part of the stack.

What We’re Looking For:
• Deep expertise in modern React & TypeScript, with a track record of shipping large-scale, consumer-facing web apps.
• Solid grasp of GraphQL (Apollo or urql) and REST fundamentals.
• Experience working with design systems.
• Fluency in web performance, cross-browser, and responsive design best practices.
• A testing mindset and familiarity with JS/TS testing frameworks.

Don’t meet every single requirement? Passion and potential matter more than perfect check-boxes. If this role excites you, apply today and grow with us!

Why You’ll Love It Here:
• Direct impact & ownership - your decisions shape the product.
• Modern tech stack, continuous learning, and innovation.
• Competitive salary, equity, private healthcare, and more.

Our Technology Stack - Frontend Technologies:
• React - Modern JavaScript UI library
• TypeScript - Strongly typed JavaScript
• React Router DOM - Client-side routing
• React Redux - State management
• Zustand - Lightweight state management
• Formik - Form management

Build Tools & Bundlers:
• Rsbuild - Modern build tool (Rspack-based)
• esbuild - Fast JavaScript bundler
• Turbo - High-performance build system
• SWC - Rust-based JavaScript compiler

UI & Design System:
• Fresha Design System - Custom design system
• Sass/SCSS - CSS preprocessor
• PostCSS - CSS transformation
• Lottie - Animations

State Management & Data Fetching:
• Redux with Redux Actions
• URQL - GraphQL client

Backend Communication:
• GraphQL - API query language
• GraphQL Code Generator - Type-safe GraphQL
• Phoenix - Real-time WebSocket channels
• WebSocket & Server-Sent Events support

Backend Technologies:
• Node.js
• TypeScript
• Elixir
• Ruby on Rails
• PostgreSQL
• Redis
• Docker
• Kubernetes
• NginxAWS

Testing Framework:
• Jest - Unit testing
• Cypress - Component and integration testing
• Testing Library - React testing utilities
• MSW - API mocking

Code Quality & Linting:
• ESLint - JavaScript linting
• TypeScript strict mode

Development Tools:
• Storybook - Component documentation
• Happo - Visual regression testing

Mobile Development:
• Capacitor - Native mobile app wrapper
• iOS & Android - Native mobile platforms

CI/CD & DevOps:
• GitHub Actions - Continuous integration
• AWS - Cloud infrastructure
• Datadog - Monitoring and analytics

Monitoring & Analytics:
• Sentry - Error tracking
• Amplitude - User analytics
• Unleash - Feature flags

Date & Time:
• date-fns - Date manipulation
• moment - Date handling (legacy)

Interview Process:
• Screen call - Video call with a member from the Talent Team - 30 - 60 minutes
• 1st stage - Technical Video call/In-person interview with our Engineers- Up to 60 minutes
• Tech stage - Technical Video call/In-person interview with our Engineers - up to 2 hours
• Final stage - Video call/In person meet with our CTO - up to 60 minutes

We aim to finalise the entire interview process and deliver feedback within 4 weeks.

Every job application received is reviewed manually by our talent team. While we strive to assess applications within 7 days, the sheer volume of talented individuals expressing interest may occasionally extend this timeframe