&ranj offers a creative, purpose-driven workplace where you’ll design meaningful digital experiences with a global impact, alongside a warm, ambitious team in the heart of Rotterdam.
Vacancy
Developer
We're looking for a developer with 3+ years of experience. Someone who loves building meaningful, behavior-driven digital experiences. You know how to turn game concepts and design specs into solid, performant products, and enjoy working hands-on with a multidisciplinary team from first idea to final delivery.

What we're looking for
- You're technically strong, with a sharp eye for code quality and what makes a product feel good to use.
- You can translate game mechanics and UX designs into well-structured, maintainable code.
- You have a background in software development, computer science, or a related field.
- You have experience with the full development process - from technical design and prototyping to development, testing, and launch.
- You enjoy working in a multidisciplinary team alongside game designers, UX/UI designers, visual designers, and producers.
- You're a true team player with strong communication skills, able to explain technical decisions clearly to both colleagues and clients.
Who are you?
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You bring 3+ years of relevant experience.
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You work and think at HBO (applied) or university (WO) level.
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You're interested in behavior change and understand how technology can support learning through play.
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You're comfortable picking up new tools and technologies - you like to build and explore.
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You speak and write Dutch and/or English at a good professional level.
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You're able to work from our Rotterdam office when needed. Being based in the Netherlands and available for in-person collaboration is essential.
Will you be our colleague?
Meet some of our developers
Henrique Campos
Senior Developer
Ivo Swartjes
AI Lead & Senior Developer
Swen Meeuwes
Senior Developer
What you'll be doing
As a developer at &ranj, you work across the full development cycle: from technical concept to shipped product. You're just as comfortable in a technical planning session as you are deep in code. You help bridge design and technology, keeping quality and feasibility in balance while always keeping the user in focus.
On a day-to-day basis:
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You assess the technical context and requirements around each product.
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You turn design specs and game mechanics into clean, functional, and scalable code.
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You guard both technical quality and performance throughout each project.
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You know when to bring in the right expertise or technology
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You help ensure all moving parts come together into a seamless experience.
Our tech stack centers around HTML5, CSS, and JavaScript for web, and Unity with C# for games.
Your vision, our expertise
Ready to bring your creativity to &ranj?
Why join &ranj?
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Meaningful impact – you'll design games and digital experiences that tackle real-world challenges across all sectors. No day is the same!
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Creative freedom – shape custom solutions with space to experiment, iterate, and bring bold ideas to life.
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Global reach, local roots – work with international clients from our studio in Rotterdam, overlooking the city’s iconic harbor.
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A multidisciplinary team – collaborate with developers, designers, researchers, and producers who share your curiosity and drive.
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Support for growth – benefit from personal coaching, flexible work options, and time to grow your craft—both in and beyond your role.