Senior Frontend Engineer

Stack

Responsibilities

• ▹Own the frontend experience from design to deployment to operations
• ▹Pair with engineers, designers, and PMs to ship features
• ▹Participate in design and code discussions
• ▹Maintain strong focus on automated testing (unit, integration, end-to-end)
• ▹Improve frontend observability with metrics, dashboards, and alerts (Datadog, Sentry, web vitals)
• ▹Be an active part of the Frontend Guild
• ▹Lead technical discussions about architecture and UX trade-offs
• ▹Navigate a hybrid codebase between legacy and modern React/TypeScript

Requirements

• ▹7+ years of software development experience with a strong focus on modern web frontend technologies
• ▹Ownership of the code and areas you work on
• ▹Product mindset
• ▹Excellent English communication skills
• ▹Strong UX focus, attention to detail (edge cases, empty states, error handling)

Nice to have

• ▹Active use of AI tools in the daily development workflow

Soft skills

About the company

Treatwell builds and operates Connect, a SaaS platform for the beauty & wellness industry, used daily by tens of thousands of people across 13 European countries.