Climax Studios

Principal Backend Engineer - The Multiplayer Group (MPG)

Climax Studios  •  United Kingdom of Great Britain and Northern Ireland (Remote)  •  2 months ago
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Job Description

At The Multiplayer Group (MPG), we create world-class multiplayer experiences through Co-Dev and Full-Dev partnerships.
Our people-first culture supports a diverse, global team in a welcoming and flexible work environment. With teams spread worldwide, we prioritise connection—both online and in person. Giving back is central to who we are, with a focus on local communities, education, and sustainability.

We are looking for a highly experienced, fully remote Principal Backend Engineer. You’ll be UK or EU based and you’ll be working in a team of backend engineers across MPG to drive the delivery and deployment of backend services for industry-leading game projects. You will act as a key engineering contact for external co-dev clients, collaborating with the Technical Director and Lead to architect solutions that balance technical idealism with production pragmatism.

You will define the technical architecture for major game titles, ensure implementation quality, and mentor the engineering team.

Requirements

  • Experience in game development and having shipped multiple live games (or similar products) with a high concurrent user count
  • Proven experience architecting distributed applications with a high concurrent user base (hundreds of thousands), ideally proven with a released title or robust load tests
  • Production experience with at least one of Java, Golang, C#, C++, Kotlin; experience with Python, Node.js and React is desirable
  • Solid database experience, with the ability to work effectively with both SQL and NoSQL databases
  • Proven experience with cloud platforms: Amazon Web Services, Google Cloud and Microsoft Azure; having an AWS Certification (Professional level) would be advantageous
  • Proven experience building backend infrastructure using infrastructure as code tools, e.g. Terraform
  • Proven experience using Kubernetes and Docker to build products at scale
  • Ability to autonomously architect and design online services based on a specification
  • Ability to navigate changes calmly and manage multiple pieces of potentially confidential information
  • Excellent time management and ability to work autonomously
  • Clear and effective communicator with the ability to discuss technical strategy with non-technical stakeholders and adapt to client needs
  • Experience building CI/CD pipelines from scratch or improving existing client solutions
  • Awareness of security/cheating implications of technology choices
  • Experience using Gen AI for code generation

Beneficial

  • Deep expertise in at least one relevant area of backend technology, e.g. DevOps, Microservices, Cloud Architecture
  • Understanding of how a backend service integrates with the game - experience with Unreal or Unity would be useful but not required
  • An understanding of how to use LLMs to process and query structured and unstructured data

Responsibilities

  • Individual contribution: architect systems, write code, deployments, etc.
  • Act as the engineering contact point between MPG and the client, working alongside the Project Manager and Engineering Leadership
  • Translate client requirements into tasks for yourself and team members
  • Make the right trade-offs to design systems based on performance, time, and budget
  • Mentor and delegate pieces of work to other team members to help develop them as engineers
  • Create estimated cost spreadsheets for online services based on projected concurrent users
  • Cultivate engineering best practices across teams: modular design, code quality, testing
  • Work with the Lead and Production to communicate risks, benefits, and future roadmaps
  • Active mentorship of the engineering team towards professional accreditation (e.g., AWS Certification) and technical leadership.

Benefits

Our Benefits

Flexible working: Remote-friendly long before it was the norm, with core hours that support both great work and real life.
Support & wellbeing: Mental health first-aiders, therapy and coaching via Myndup, plus private medical insurance to help you stay healthy and supported.
Pension & life cover: A strong pension plan and life insurance to support your future and protect your family.
Time for you: Minimum 25 days’ holiday, a paid winter break, and 3 volunteering days each year to give back to causes you care about.
Parental leave: Family-first policies that support parents and caregivers with flexibility and balance.
Levelling up: Annual L&D budget, expert talks, game jams, and mentoring opportunities to help you grow your skills and career.

Role Information: EN

Studio: The Multiplayer Group

Location: Europe, United Kingdom

Area of Work: Game Development

Service: Create

Service Type: Code

Employment Type: Permanent Fully Remote

Working Pattern: Full Time

Keywords Studios is dedicated to following a well-established Equal Opportunities Policy. We endeavor to create a workplace which provides for equal opportunities for all employees and potential employees.

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Climax Studios

About Climax Studios

At Climax Studios, A Keywords Studio, we specialise in AAA co-development, delivering cutting edge solutions for some of the world's biggest and most innovative video game titles, such as:

Exodus

Returnal PC

Sackboy: A Big Adventure PC

Age of Empires IV

Assassins Creed Chronicles

Wasteland 3

Mafia: Definitive Edition

Founded in 1988, Climax Studios have been at the forefront of gaming innovation for decades. Our team of 250+ developers, spanning multiple disciplines, thrives on collaboration, creativity and a shared passion for pushing the boundaries of what's possible in game development.

We support studios globally in achieving their creative vision, transforming challenges into opportunities to create something extraordinary. From indie innovators to top-tier developers such as Sony, Microsoft, Google and Amazon, our partners trust us to deliver excellence every time.

With a focus on collaboration and knowledge-sharing, we create a culture where developers are encouraged to experiment, share ideas and thrive as a team. Individuality and diversity is celebrated, fostering our commitment to ensure everyone feels like they can belong and can contribute to shaping the future of gaming.

With four studio locations across Portsmouth, Liverpool, Edinburgh & London, we are always on the look out for talented developers to join our team! Whether you are a seasoned developer or a rising star in the industry, explore the opportunities to grow your games industry career with us.

Check out our website to see the roles we're currently hiring for - climaxstudios.com

Industry
Unknown
Company Size
201-500 employees
Headquarters
Portsmouth, GB
Year Founded
1988
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