We’re looking for a strong Full Stack Software Engineer who enjoys building scalable products, solving real engineering problems, and working closely with Product and Design teams.

This is a hands-on individual contributor role where you’ll have the opportunity to own features end-to-end — from technical design to development, testing, and delivery.

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/http
- Strong understanding of backend/system design
- PostgreSQL
- 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
- Component Testing
- E2E Testing

Nice to have

- Experience with distributed systems or high-traffic applications
- Experience working with data-intensive platforms
- Agile/Scrum experience
- 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

Go/Golang + React/Next.js (or React Native) + PostgreSQL + Microservices + REST/gRPC + Testing

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.

Interested? Email me your profile/resume.

Know someone who would be a great fit? Please feel free to share this post with them.

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