Senior Unity Engineer

Ciklum is looking for a Senior Unity Engineer to join our team full-time in the Czech Republic.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role:

As a Senior Unity Engineer, become a long-term product engineering engagement to take full technical ownership. In this role, you will be responsible for maintaining and continuously evolving a live application ecosystem, ensuring established products run seamlessly for end-users while driving incremental architecture improvements and feature delivery. This is a high-ownership position for a technically strong and self-driven professional who thrives in a complex, large-scale codebase environment.

About the project

You will join a long-term partnership focused on the maintenance and continuous evolution of a live application ecosystem for a leading Danish company — a globally loved brand creating products and experiences that inspire generations of children worldwide. Your mission is to ensure that established, active products run without downtime while incrementally optimising their architecture and delivering evolutionary feature updates.

This is a unique opportunity to work on products already in the hands of millions of end- users, directly shaping how the next generations of kids learn, play, and interact with technology.

Responsibilities: 

• Take full ownership of technical solutions, providing maintenance and support for the live product ecosystem to ensure seamless stability and uptime
• Drive continuous evolution by refactoring existing architectures and addressing technical debt through incremental, modern technological updates
• Ensure system health while delivering evolutionary feature updates and performance optimisations to keep established products active and competitive
• Collaborate closely with cross-functional teams to align technical solutions with product goals and end-user experience
• Contribute proactively by sharing new ideas and proposing product improvements

Requirements: 

We know that sometimes, you can't tick every box. We would still love to hear from you if you think you're a good fit!

• Senior-level experience in Unity development
• Strong knowledge of the C# programming language
• Experienced at navigating and working within large, complex codebases
• Strong debugging and problem-solving skills
• Strong knowledge of Git version control
• Experience with GitHub CI/CD workflows
• Strong self-management skills and comfortable owning multiple projects simultaneously
• Proficient in both verbal and written English communication
• Collaborative team player with a passion for clean, high-quality code

Desirable: 

• Experience with Docker
• Experience with mobile-specific features and APIs — touch input handling, camera, Bluetooth communication, and push notifications

What’s in it for you?

• Flexible working hours
• Home office option
• 5 weeks of holiday
• 5 sick days
• Multisport Card
• Meal allowance
• Internal trainings including workshops and seminars
• Paid certifications and technical as well as soft-skills training
• Possibility to participate in international conferences
• Fresh fruit, coffee, and a weekly company breakfast in the office
• Loyalty bonus after 5, 10, 15 and more years with the company
• Referral bonus programme
• Corporate events including team building, outdoor activities, Christmas party, health week, summer ice cream, and more
• Hybrid and remote working options available across our Czech offices in Prague, Hradec Králové, and Zlín

About us:

At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.

With delivery centers in Prague, Hradec Králové, and Zlín, our Czech team delivers end-to-end solutions across industries. Here, innovation thrives through collaboration, and every idea drives our partners' success.

Explore, empower, engineer with Ciklum!

Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.

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