Senior Full Stack Engineer

Ersilia

Full-time Informática y tecnología
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Location
barcelona, cataluña, Spain
Posted
June 07, 2026

Job Description

Overview

The Senior Full Stack Engineer will build and own product features working closely with the tech leadership. You will contribute to both frontend and backend systems, helping ship high quality software that is used daily by customers. This role is focused on delivery, quality and collaboration with the ability to influence technical decisions.

Responsibilities

  • Design, build, and maintain fullstack features across the products
  • Work with React on the frontend and Node.js on the backend
  • Collaborate closely with Product and Design to turn requirements into solutions
  • Ensure code quality through testing, reviews and best practices
  • Contribute to technical discussions and propose improvements to the codebase

What we are looking for

  • Strong experience building production web applications
  • Minimum 4 years experience with React, Node.js and Typescript
  • Good understanding of ...