Fresha
Senior Frontend Engineer - London
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The AI-powered OS for beauty, wellness and self-care
About Fresha
Fresha is the AI-powered operating system for the global beauty, wellness and self-care industry, connecting and powering everything from salons and barbers to spas, medspas, fitness studios and health practices.
Trusted by millions of consumers and businesses worldwide. Fresha is used by 140,000+ businesses and 450,000+ stylists and professionals worldwide, processing over 1 billion appointments to date.
The company is headquartered in London, United Kingdom, with 15 global offices located across North America, EMEA and APAC.
Fresha lets consumers discover, book, and pay for beauty and wellness appointments with local businesses through its marketplace, while beauty and wellness businesses and professionals use an all-in-one platform to manage their operations with intuitive business software and financial technology solutions.
Fresha’s ecosystem gives merchants everything they need to run their business seamlessly, including appointment bookings, point-of-sale, customer records management, marketing automation, loyalty, beauty product inventory, and team management.
The consumer marketplace unlocks revenue potential for partner businesses by leveraging the power of online bookings and automated marketing through mobile apps and advanced integrations with major tech brands including Instagram, Facebook and Google.
Role Overview
Given our exciting and progressive growth plans, we are looking for an exceptional Senior Frontend Engineer to come join our global business.
Reporting directly to the Team Lead, and working collaboratively in a cross-functional product team within a tribe, you will be accountable for designing and developing applications and coordinating with the rest of the team working on different layers of the infrastructure Fresha.
This is a great opportunity for someone looking to work in a fast-paced and changing environment, who likes to work autonomously, enjoys a challenge and wants to make an impact.
To foster a collaborative environment that thrives on face-to-face interactions and teamwork, all Fresha employees work in the office four days per week, with the flexibility to work remotely on Wednesdays. London office: The Bower, 207-211, Old St, Tower, London EC1V 9NR
What You’ll Do
At Fresha, we believe AI is a force multiplier for feature delivery, not just a coding assistant. We provide every engineer with top-tier tooling (Claude, GitHub Copilot, Cursor) to strip away technical toil—so you can focus your energy on shipping high-impact product features. We value engineers who know how to leverage these tools to drive momentum within our 6-week cycles, accelerating the journey from concept to code while maintaining the deep technical judgment to verify, secure, and own the final user experience.
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- 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
- AI-Augmented Workflow: You have deep experience building and interacting with AI agents, using them to amplify your output to 5x that of manual coding. You are able to integrate agents into our workflow while strictly adhering to our architecture and security standards, taking full accountability for ensuring all generated code meets the quality expectations of a Senior Engineer.
- 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
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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
- Nginx
- AWS
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 minutes
- 1st stage - Technical Video call/In-person interview with our Engineers- Up to 90 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.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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