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# Senior Front-end Engineer

- **Company:** Talent Acquisition
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Databases, Continuous Integration, Payment Systems, PostgreSQL, Performance Tuning, Cloud Services, Next.js, TypeScript, ReactJS, Backend, Containerization, Material UI, Front End Software Development, NestJS, Restful APIs, Crud, Microservices
- **Published:** September 7, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=67303320b0f58511

## About the Role

* 5+ years of frontend development experience.
 * Expert-level React - you know the internals, not just the API.
 * Expert-level TypeScript - you write it without thinking twice.
 * Experience with Next.js is highly desirable.
 * Hands-on NestJS experience is a strong plus - being able to scaffold a CRUD API or a BFF layer independently will make you highly effective here.
 * Solid understanding of modern frontend tooling, state management patterns, and performance optimization.
 * Experience working in a product team alongside designers and backend engineers.

Nice to have:

 * E-commerce experience - checkouts, payment flows, order management.
 * Basic backend knowledge (REST APIs, databases).
 * Familiarity with infrastructure concepts (CI/CD, containerization, cloud services).

Tech Stack:

Frontend: React, TypeScript, Next.js, Material UI, Chakra UI + Panda, TanStack.

Backend (for context): NestJS, MedusaJS (self-hosted). Infrastructure: PostgreSQL, microservices.

## Description

* Own the Storefront: Build and maintain multiple React-based frontends covering treatment sales, custom checkout flows, and post-treatment offers.
 * Shape Internal Tools: Develop CRM and management tools using React, Material UI, and TanStack Query that power day-to-day operations.
 * Bridge Frontend & Backend: Collaborate closely with backend engineers to integrate payment providers and ensure seamless end-to-end flows.
 * Raise the Bar on Design: Contribute to design system consistency and quality across all products.


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