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Improbable • United Kingdom

Principal Rendering Engineer: MSquared

Employment type:  Full time
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top 3
scores:
90%

Autonomy

87%

Location flexibility

86%

Hours flexibility

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Job Description

At MSquared, we’re pioneering the next evolution of the internet: an open, interconnected metaverse. Backed by one of the UK’s most well-funded tech startups, our mission is to empower creators, brands, and communities with tools to build scalable, immersive virtual experiences in an open and interconnected network.

We are a multidisciplinary team of engineers, artists, producers, and storytellers who believe in the power of shared digital spaces. Our culture is built around curiosity, empathy, and pushing the boundaries of what’s possible.

We are seeking a Principal Rendering Engineer with deep expertise in real-time rendering, game engines, and graphics technologies. This is an opportunity to drive the development of cutting-edge visual experiences, optimize performance across platforms, and pioneer new graphics techniques.

Your Role in Building the Future

You’ll be a key force in helping bring our ambitious vision for the open metaverse to life. As Principal Rendering Engineer in MSquared you will be responsible for maintaining and improving world leading technology.

Areas for Impact

  • Develop and maintain core graphics engine systems and tools.

  • Optimize rendering performance, ensuring high framerates and efficient GPU/CPU memory usage across multiple hardware platforms and operating systems.

  • Collaborate closely with gameplay, engine teams and customers to deliver seamless and visually stunning experiences.

  • Research and implement advanced, forward-looking rendering techniques to keep our technology at the industry’s forefront.

  • Profile, diagnose, and resolve graphics-related bottlenecks and issues.

We’d love to hear from you if you have:

  • Strong expertise with modern real-time graphics APIs such as Direct3D, Metal, and Vulkan.

  • Proficiency in C++, with a focus on performance-critical systems.

  • Performance optimization skills, including hands-on experience with profiling and debugging tools like NVIDIA NSight, RenderDoc, and PIX.

  • Solid understanding of core real-time rendering algorithms (e.g., deferred rendering, shadow mapping).

Bonus points if you:

  • Experience with commercial game engines, such as Unreal Engine or CryEngine.

  • Deep familiarity with Unreal Engine’s rendering systems, such as:

    • Render Dependency Graph (RDG)

    • Shader compilation pipelines

    • Indirect drawing

    • Nanite

    • Lumen

    • Niagara

    • Temporal Super Resolution

  • Custom GPU and CPU memory allocation systems.

  • Experience developing for MacOS and/or iOS using Metal.

  • Animation programming expertise: skinned mesh and rig systems.

  • Compute shader based calculus.

  • Mesh simplification techniques for LOD and performance optimization.

  • Knowledge of Web technologies like WebGPU and/or WebGL.

We know the best ideas come from diverse minds and lived experiences. We encourage applications from all backgrounds, and welcome candidates who have valuable experience to bring to the role. If you identify with the team and mission, but not all of our requirements, then please still apply.

Why Join Us

At MSquared, you’ll work on meaningful technology that prioritizes interoperability, creativity, and ownership. We are passionate about creating a more equitable digital ecosystem and having fun while doing it.

Benefits include:

  • Competitive salary

  • Private healthcare and dental

  • Unlimited holiday

  • Flexible hybrid working

  • Weekly wellness sessions and a stocked office kitchen

  • Mentorship from world-class leaders across Web3, gaming, and open-source tech

Let’s build the open metaverse together.

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Company benefits

Work from anywhere scheme – up to 30 days working from abroad
Unlimited annual leave
Health insurance
Dental coverage
Dog friendly office
Enhanced maternity leave – 26 weeks full pay + 13 weeks statutory maternity pay
Enhanced paternity leave – 4 weeks full pay
Shared parental leave
Pregnancy loss leave
Fertility treatment leave
Adoption leave
Enhanced sick pay
Enhanced WFH tools
Teambuilding days
Open to part time work for some roles
Wellbeing allowance
Compassionate leave
Mental health platform access
Women’s health leave
Time off in-lieu
Optional unpaid leave
Carer’s leave
In office massages
In office yoga classes
Fully stocked snack cupboard
Meditation space
Cycle to work scheme
Life insurance
Annual pay rises
Interest free loans
Share options
Equity packages
Sabbaticals
Volunteer days
Personal development budgets
Relocation packages
L&D budget
Employee discounts
Financial coaching
Employee assistance programme
Skilled worker visas
Charity donation scheme
Work from home budget
Travel loan

We asked employees of Improbable what it's like to work there, and this is what they told us.

Location flexibility
87%
Employees are very happy with their working location freedom
Hours flexibility
86%
Employees are very happy with the flexibility in the hours they work
Benefits
77%
Employees are largely happy with the benefits their company offers
Work-life balance
76%
Employees feel that they can switch off quite easily from work
Role modelling
84%
Employees feel that flexible working is part of the culture
Autonomy
90%
Employees feel they have complete autonomy over getting their work done

Additional employee ratings
(these do not contribute to the FlexScore®)

Diversity
58%
Employees feel like the diversity is ok and there are some efforts to improve
Inclusion
77%
Employees feel that the culture supports equity and inclusivity well
Culture
72%
Employees enjoy the working environment
Mission
69%
Employees feel quite excited about the company mission
Salary
72%
Employees feel that their salary is good and matches the value they bring

Working at Improbable

Company employees

155

Currently Hiring Countries

United Kingdom

Office Locations

Awards & Achievements

Most flexible companies

Most flexible companies

Flexa100 2024
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DeepTech, Data & AI

Industry awards 2023
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