What you’ll be working on

Build and deliver high-quality back-end and front-end features across web platforms. Design and develop reliable, scalable, and maintainable services. Contribute to technical design, architecture, and implementation decisions . Work closely with Product Managers and Designers to turn ideas into working solutions. Write clean, well-tested, and well-documented code. Participate actively in code reviews and help raise the engineering quality of the team. Work in an Agile/Scrum environment alongside a collaborative engineering team.

Must-have technical skills Backend – Go/Golang

Strong professional experience with Go/Golang Goroutines, channels and concurrency Microservices REST APIs gRPC and/or net/ Strong understanding of backend/system design Go database experience with SQL + Go, pgx, sqlx or GORM Go testing / unit testing

Frontend – React

Strong hands-on experience with React React + Next.js OR React Native TypeScript React Hooks API integration Experience building and supporting production-grade UIs

Testing Experience with one or more of:





Jest Vitest React Testing Library Cypress Playwright E2E Testing

Nice to have

Experience with distributed systems or high-traffic applications Experience working with data-intensive platforms Experience integrating third-party video conferencing platforms through APIs/SDKs

What we’re looking for We’re looking for someone who:

Takes ownership and can drive work independently. Enjoys solving complex technical problems. Communicates clearly with engineers, Product, Design, and stakeholders. Is comfortable working in a fast-paced Agile environment. Cares about code quality, testing, performance, and maintainability. Has a Bachelor’s degree (or equivalent) in Computer Science or a related field.

Adecuado profile If you’re a Full Stack Engineer who loves Go on the backend and React on the frontend , we’d love to hear from you. Full Stack Engineer Castilla-La Mancha, castilla-la mancha, Spain #J-18808-Ljbffr

📌 Full Stack Engineer (Madrid)
🏢 Avance Consulting
📍 Madrid