Full Stack Engineer

Avance Consulting; Badajoz; Presencial; EUR 55.000 - 95.000; Jornada completa

Descripción de la vacante

Avance Consulting is seeking a Full Stack Software Engineer in Spain to build scalable products with Go on the backend and React on the frontend. You will own features end-to-end from design to testing and delivery, collaborating closely with Product and Design teams.

The role is hands-on, contributing to architecture decisions, and maintaining code quality in an Agile/Scrum setting. Bachelor's degree in CS or related field is expected.

Formación

• Extensive experience with Go/Golang including concurrency and microservices.
• Strong front-end skills with React, TypeScript, and production-ready UIs.
• Experience building REST and gRPC services; familiarity with database access in Go.

Responsabilidades

• Build and deliver high-quality back-end and front-end features.
• Design and develop reliable, scalable services and APIs.
• Contribute to architecture and implementation decisions with the team.
• Collaborate with Product and Design to translate ideas into working solutions.
• Write clean, tested, and well-documented code; participate in code reviews.
• Work in an Agile/Scrum environment to ship features iteratively.

Conocimientos

Go/Golang

React

TypeScript

REST APIs

gRPC

Testing (Jest/Vitest)

Educación

Bachelor's degree in CS or related

Herramientas

pgx

sqlx

GORM

Descripción del empleo

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
• 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.

Ideal 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.

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