Programmer - Internship Fall 2025
Job Summary
Job Description
Behaviour Interactive seeks programmers for a Fall 2025 internship in Rotterdam. Interns will contribute directly to game development, debugging, and troubleshooting code. Responsibilities include working with game engines (Unreal Engine and Unity), developing backend services (player data, matchmaking), and collaborating with various teams to integrate assets. The internship is a 4-month, 40-hour/week commitment starting in September 2025. Project assignments are determined after hiring.
Must have:
- Keen interest in video games
- C++ or C# knowledge
- Experience with Unreal Engine or Unity
- Good knowledge of low-level code
- Eligibility to work in Rotterdam
Perks:
- Free lunch
- 100€ Be Happy expense reimbursement
3 skills required
Job Details
Are you ready to dive into the world of cutting-edge video game development? Headquartered in Montreal, Behaviour Interactive is at the forefront of the gaming industry, crafting unforgettable experiences across PC, console, and mobile platforms. We’re a dynamic, independent studio of over 1200 passionate employees, with studios in Toronto (Behaviour Toronto), Rotterdam (Behaviour Rotterdam) and in the UK (Behaviour UK–North). Our day to day revolves around two core business focuses: Services and Original Games. Our Services team collaborates with gaming and entertainment giants like Disney, Sony, Activision, and Nintendo, delivering exceptional work-for-hire development and pioneering immersive location-based entertainment (LBE). Meanwhile, our Original Games unit pushes our creative limits, with our signature IPs, including the iconic Dead by Daylight. Join us and be a part of the future of interactive entertainment!
At Behaviour Interactive, we believe in giving everyone a fair shot. We embrace a diverse and creative environment where everyone is celebrated. We value folks of all ages, sex, ethnicity, colour, ethnic or national origin, religion, sexual orientation, gender identity, civil status, disability, or any other protected characteristics as per applicable law.
Behaviour Interactive is looking for programmers across all our projects. With your technical lead as your mentor, you will have the opportunity to discover your true potential by working alongside our team on our production. Are you game? Send us your resume, and your transcript, and tell us about your passion for games in your cover letter!
About the interview process:
1. Completion of a Codility test
2. 30 min technical interview
3. Hiring decisions and offers presentation *
* Project assignment will be done after the offers, once all the programming cohorts will be hired. That means you won't know which project you will be working on before accepting the internship.
To be considered for this internship, you must:
· Send us your resume and tell us about your passion for videogames in your cover letter;
· Be able to work 40 hours/week for 4 months starting in SEPTEMBER 2025;
· Be eligible to work FULL TIME in Rotterdam at the time of your application
Why join Behaviour for an internship?
· A chance to grow your skills and discover your full potential 🌱
· Free lunch 🍳
· 100€ Be Happy expense reimbursement to buy whatever that makes you feel good ✌️
In this role you will:
- Develop game features on game projects directly.
- Debug, troubleshoot, and solve problems to improve code robustness.
- Work with game engines such as Unreal Engine and Unity.
- Develop and improve backend services such as player data, matchmaking, achievements, and leaderboards.
- Develop and improve game engine core components such as graphics, audio, networking, and tools.
- Work with game designers, animators, artists, and other disciplines, to integrate assets such as animations, sounds, and special effects in the game.
What we're looking for:
- Keen interest for video games.
- Good knowledge in one or more of the following languages: C++, C#.
- Prior experience with game engines such as Unreal Engine and/or Unity.
- Good knowledge of low level code, engine systems and tools.
To be considered for this internship, you must be eligible to work in Rotterdam at the time of your application.
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