Mobile Developer Intern (C++)

October 2, 2026

Hybrid

Intern

Barcelona

May rule you out

Citizenship requirement applies

Worth knowing

Mandatory office attendance
2 days per week
English is required

Description

A world-renowned mobile game studio is hiring a Mobile Developer Intern (C++) to join its Game Development team. The intern will work alongside experienced C++ engineers on real projects, contributing to gameplay features, internal tools, and optimization tasks. The role includes testing and debugging gameplay, taking part in code reviews, collaborating with designers and artists, and contributing to technical documentation.

Responsibilities

Learn to build and improve features in C++ alongside senior engineers
Support the team with internal tools, gameplay systems, and optimization tasks
Help test, debug, and polish gameplay experiences
Participate in code reviews and team discussions to understand best practices
Collaborate with designers, artists, and other developers on small but meaningful projects
Explore new ideas and propose creative technical solutions under guidance
Contribute to technical documentation and small improvements in workflows

Requirements

Currently pursuing a degree in Computer Science, Game Development, or a related field
Experience with C/C++ through coursework, personal projects or other internships
Knowledge of 2D/3D graphics, and computer mathematics/algebra
Some knowledge in mobile platforms (iOS, Android)
Good interpersonal and communication skills
Passion for games, learning, and teamwork
Strong problem-solving mindset and curiosity to explore how things work

Conditions

Hybrid working model with at least 2 days per week in the Barcelona office
A generous 25 days of annual leave, plus public holidays
Free language lessons in English, Spanish and Catalan
Onsite gym, physiotherapist, and free meals for employees
Social events and parties for the team

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