Full Stack Developer (Hybrid/Remote)

Avance Consulting; Albacete; Híbrido; EUR 45.000 - 75.000; Jornada completa

Descripción de la vacante

Avance Consulting is seeking a hands-on Full Stack Developer to join our hybrid/remote team in Castilla-La Mancha, Spain. You will own features end-to-end from design to delivery, building scalable backend in Go and modern frontend with React/Next.js or React Native.

You'll work closely with Product and Design teams in an Agile environment, writing clean, tested code and participating in code reviews to raise engineering quality.

Formación

• Strong Go/Golang backend development experience using goroutines and concurrency.
• Experience building microservices and REST/gRPC APIs.
• Proficiency with PostgreSQL and Go data access (SQL/pgx/sqlx/GORM).
• Frontend experience with React and TypeScript (Next.js or React Native).
• Experience with unit and integration testing using Jest, Vitest or similar.

Responsabilidades

• Build and deliver high-quality backend and frontend features across web platforms.
• Design and develop reliable, scalable services and contribute to architecture decisions.
• Collaborate with Product Managers and Designers to turn ideas into working solutions.
• Write clean, well-tested, and well-documented code.
• Participate in code reviews and raise engineering quality.
• Work in an Agile/Scrum environment with a collaborative team.

Conocimientos

Go/Golang

Goroutines/Concurrency

Microservices

REST APIs

gRPC

PostgreSQL

React

Next.js

React Native

TypeScript

React Hooks

API Testing

Jest

Cypress

Playwright

End-to-end Testing

Educación

Bachelor’s degree in Computer Science or related field

Descripción del empleo

Full Stack Developer (Hybrid/Remote) Castilla-La Mancha, castilla-la mancha, Spain

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/ 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. Ideal 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.