Hybrid Software Engineer Intern — Barcelona (6 months)

Back Market; Barcelona; Hybrid; EUR 10,000 - 17,000; Full time

Benefits offered by this job

Hybrid work environment

Remote days 2 per week

3 flex days

Job summary

Back Market in Barcelona is offering multiple Software Engineer Intern roles across its engineering teams. You will contribute to projects in product, platform, data, payments, shipping, customer experience or circularity, learning from experienced engineers in a collaborative, international setting.

Join an agile team that builds, tests, deploys, and monitors reliable software in production. You will gain exposure to various tech stacks and grow your skills through hands-on experience with

Qualifications

• Currently enrolled in the final year of an Engineering School/University Master's degree with internship agreement in Spain.
• Knowledge of basic coding languages; ideally Python and basic programming experience (internships, GitHub projects).
• Knowledge of databases and operating systems.
• Able to learn new software quickly and be curious about the coding environment.
• Fluent in English; French and/or Spanish a plus.
• Seeking a 6-month, full-time internship (35h/week) starting March/April 2026.
• Authorized to work in Spain (EU nationality or valid student visa/work permit).

Responsibilities

• Assist with developing and improving features under team guidance.
• Participate in writing clean, maintainable, well-tested code.
• Contribute to code reviews and technical discussions.
• Help investigate bugs and support resolution of issues.
• Participate in testing, deployment and monitoring activities.
• Collaborate with product, design, data and operations teams to understand requirements.
• Maintain technical documentation and share knowledge.
• Explore technologies and build skills across the software development lifecycle.

Skills

Python

Coding basics

Programming experience

Databases

Operating systems

English fluency

French/Spanish bonus

Education

Engineering School/Master's degree

Tools

Python

FastAPI

SQLAlchemy

Celery

Golang

Django

Vue.js

TypeScript

Nuxt

Revolve

PostgreSQL

Redis

Kafka

RabbitMQ

BigQuery

Google Cloud Platform

Kubernetes

Docker

Datadog

Argo CD

CircleCI

GitHub

Job description

Back Market in Barcelona is offering multiple Software Engineer Intern roles across its engineering teams. You will contribute to projects in product, platform, data, payments, shipping, customer experience or circularity, learning from experienced engineers in a collaborative, international setting.

Join an agile team that builds, tests, deploys, and monitors reliable software in production. You will gain exposure to various tech stacks and grow your skills through hands-on experience with