Senior Frontend Engineer: Shape UX, Scale & Observability

Treatwell; España; Híbrido; EUR 90.000 - 130.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

28 days holiday

Voucher program

Mental health support

Market benefits

Descripción de la vacante

Treatwell is seeking a Senior Frontend Engineer to own the frontend experience from design to deployment, joining a team shipping features across a modern React/TypeScript stack. You’ll collaborate with designers, PMs, and engineers while balancing legacy Backbone code with new patterns.

In a hybrid remote-friendly setup across Europe, you’ll emphasize automated testing, frontend observability, and UX quality, contributing to scalable, maintainable code and high-impact product decisions.

Formación

• 7+ years of frontend software development experience with modern web technologies.
• Strong ownership, bug spotting, performance tuning, and UX focus.

Responsabilidades

• Own the frontend experience from design to deployment and operations.
• Collaborate with engineers, designers, and PMs to ship features each cycle.
• Lead discussions, trade-offs, and decisions affecting product and team.
• Focus on automated testing across unit, integration, and e2e levels.
• Improve frontend observability with metrics, dashboards, and alerts (Datadog, Sentry, web vitals).
• Participate in Frontend Guild, sharing ideas and improving standards.
• Discuss architecture and UX trade-offs; balance legacy and new React/TypeScript work.

Conocimientos

React/TypeScript

Frontend architecture

English communication

AI tools in dev

Remote collaboration

Product mindset

Performance debugging

Herramientas

Datadog

Sentry

Jest

Cypress

Storybook

Backbone legacy

Descripción del empleo

Treatwell is seeking a Senior Frontend Engineer to own the frontend experience from design to deployment, joining a team shipping features across a modern React/TypeScript stack. You’ll collaborate with designers, PMs, and engineers while balancing legacy Backbone code with new patterns.

In a hybrid remote-friendly setup across Europe, you’ll emphasize automated testing, frontend observability, and UX quality, contributing to scalable, maintainable code and high-impact product decisions.