Principal Engineer (Backend)

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Prague, Czech Republic Until 8/22/2026 First posted April 20, 2026 Last posted April 20, 2026
Job description

We are Kaizen Gaming

Kaizen Gaming, the team powering Betano, is one of the biggest GameTech companies in the world, operating in 20 markets. We always aim to leverage cutting-edge technology, providing the best experience to our millions of customers who trust us for their entertainment.

We are a diverse team of more than 2.700 Kaizeners, from 40+ nationalities spreading across 3 continents. 

Our #oneteam is proud to be among the Best Workplaces in Europe and certified Great Place to Work across our offices. Here, there’ll be no average day for you. Ready to Press Play on Potential?

 

 

 

Let's start with the role

As a Principal Backend Engineer, you will play a critical role in designing and implementing cutting-edge, scalable, and high-performance backend systems. We're looking for a tech expert who thrives on technical leadership and can mentor engineers of all levels. In this role, you'll be the driving force behind robust and efficient software solutions, collaborating seamlessly with cross-functional teams.

As a Principal Backend Engineer, you will:
  • Architect & Innovate: Collaborate with our agile team to architect scalable, secure, and high-performance backend systems that power our cutting-edge solutions.
  • Craft High-Performance Code: Develop clean and efficient code that drives the heart of our technology stack.
  • Mentorship: Inspire and mentor fellow engineers, fostering skill growth and best practices.
  • Optimize Performance: Lead efforts to identify and enhance system performance for seamless user experiences.
  • Seamless Integration: Work closely with cross-functional teams and stakeholders to ensure smooth system integration.
  • Stay Ahead: Keep up with emerging technologies and apply them to enhance our capabilities.
  • Establish Company Best Practices: Work closely with Platform Engineering to define company-wide best practices and lay foundations for new software development.
  • Strategic Technical Roadmap: Contribute to shaping the company-wide technical roadmap, maintaining focus beyond short-term product demands

What you’ll bring: 

  • Extensive experience working with backend technologies and willingness to adapt to new tools and ecosystems
  • Strong professional background across multiple programming languages, paradigms, and distributed system design
  • Experience with event-driven architectures and message brokers
  • Familiarity with DevOps practices and containerization
  • Ability to work autonomously on complex tasks, considering performance, security, observability, and code quality
  • Enthusiasm for monitoring and troubleshooting production systems and making data-driven decisions
  • Strong communication and collaboration skills suited to both technical and non-technical audiences
  • Solid understanding of software engineering principles and backend system design

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We are an equal opportunity employer committed to fostering a diverse and inclusive workplace. We welcome applications from individuals of all backgrounds, regardless of race, gender, religion, sexual orientation,or age. 

About this role

Summary

Lead backend system design, implement scalable solutions, mentor engineers, optimize performance, collaborate across teams.

Job title

Principal Engineer (Backend)

Experience level

extensive experience

Industry

games and technology

Location requirements

Prague, Czech Republic, on-site work only

Salary

Not specified

Management role

No

Skills & keywords

Required skills

programming languagesdistributed system designevent-driven architecturemessage brokersDevOpscontainerizationperformance tuningsecuritymonitoring

Preferred skills

emerging technologiessoftware architectureteam mentorshipperformance optimization

Specializations

backenddistributed systemsevent-driven architectureDevOpscontainerization
Locations

Structured locations inferred from the posting.

Prague, Czechia

On-site City