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.

Your 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 relational databases (PostgreSQL or similar)

Experience working across the full product lifecycle

Ability to work autonomously

Advanced level English plus Spanish would be advantageous

Tech Stack: Typescript, NodeJs, React, PostgreSQL and AWS

Based in Barcelona along with a hybrid working model

📌 Senior Full Stack Engineer (Madrid)
🏢 Ersilia
📍 Madrid