Senior Frontend Engineer
Slick
- London, England, United Kingdom
- London, England, United Kingdom
About
While 65% of salons still rely on pen and paper, we’re bringing the beauty industry online - the way taxis, hotels, and restaurants already are. Since launching in 2019, over 8,000 UK professionals have used Slick to take millions of bookings, backed by partnerships with L’Oréal, Meta, and Stripe.
Role Summary We’re looking for a Senior Frontend Engineer to work closely with our Frontend Engineering Lead to build and improve our web and mobile applications. This is a hands‑on role focused on delivering high‑quality features, improving existing functionality, and contributing to performance, testing, and overall frontend quality.
Key Responsibilities
Build and enhance frontend features across web and mobile applications
Collaborate with the Frontend Engineering Lead on architecture, technical decisions, and implementation
Refactor and improve existing codebases to increase maintainability and readability
Improve frontend performance and user experience
Implement and maintain authentication flows using AWS Cognito
Write and maintain unit tests and end‑to‑end tests (Playwright)
Participate in code reviews and follow established frontend standards and best practices
Work closely with backend engineers to consume APIs and deliver cohesive features
Required Skills & Experience
Experience building and maintaining mobile applications using React Native
Solid understanding of frontend architecture, state management, and component design
Proven experience improving performance of web applications
Experience working with REST APIs and collaborating with backend teams
Experience writing and maintaining automated tests for frontend applications
Ability to work independently while collaborating closely with a frontend lead
Nice to haves
Experience with Stripe or payment‑related frontend integrations
Familiarity with CI/CD pipelines (CircleCI or similar)
Why Join Us You’ll be deeply involved in building and improving our frontend applications, with opportunities to tackle performance challenges, refactor legacy code, and influence technical decisions while continuing to grow as a senior engineer.
Come Build With Us (Without the Corporate Bloat) We’re growing fast - but we’ve deliberately kept the startup energy that made us exciting in the first place.
At Slick, you’ll find a team that’s:
Scrappy by design: We move fast, iterate quickly, and give you real ownership. You won’t be boxed into process for process’ sake.
Built for senior talent: No pointless 1:1s or micromanagement. We hire people we trust to take initiative, make decisions, and ship.
Autonomy‑first: You’ll have the space to propose ideas, solve meaningful problems, and actually see your work make an impact.
Remote by default: Work where you’re most productive. We care about outcomes, not where your desk is.
Globally diverse: Our fully remote setup means you’ll collaborate with a strong, international tech team bringing different perspectives to the table.
25 days + bank holidays annual leave + 1 extra day on your birthday
Company pension
Bring your dog to work
Remote role or we have shared working space in central london (2 days a week) / home based with flexible working policy
Equal Opportunity Statement At Slick, embracing diversity in all of its forms and fostering an inclusive environment for all people to do the best work of their lives with us.
We're an equal opportunity employer. All applicants will be considered for employment without attention to ethnicity, religion, sexual orientation, gender identity, family or parental status, national origin, veteran, neurodiversity status or disability status.
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Languages
- English
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