Full Stack Engineer

Avance Consulting; Madrid; Presencial; EUR 60.000 - 95.000; Jornada completa

Descripción de la vacante

Avance Consulting is seeking a strong Full Stack Software Engineer to build scalable products and own features end-to-end from design to delivery. You will work on back-end Go services and front-end React interfaces within an Agile team in Madrid.

Responsibilities include designing reliable systems, writing clean code, and participating in code reviews to raise engineering quality. Ideal candidates have Go + React experience and a passion for performance and maintainability.

Formación

• Bachelor's degree in CS or a related field.
• Strong Go/Golang backend experience and React frontend experience.
• Experience with microservices and REST/gRPC.
• Proficient in SQL databases (PostgreSQL).

Responsabilidades

• Build and deliver high-quality back-end and front-end features.
• Design, implement, and maintain scalable services.
• Collaborate with Product and Design teams and participate in code reviews.
• Work in an Agile/Scrum environment and own features end-to-end.

Conocimientos

Go/Golang

React

REST APIs

Testing

Agile/Scrum

Educación

Bachelor's degree in CS or related field

Herramientas

PostgreSQL

pgx

sqlx

GORM

Docker

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 g RPC and/or net/ Strong understanding of backend/system design Postgre SQL 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 Type Script 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 E2 E 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) + Postgre SQL + Microservices + REST/g RPC + 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.