At a Glance
- Tasks: Design and build Mubit's core infrastructure for high-performance AI systems.
- Company: Join a well-funded AI startup at the forefront of technology.
- Benefits: Competitive salary, dynamic work environment, and opportunities for rapid growth.
- Other info: Collaborate closely with a passionate founding team in a vibrant London office.
- Why this job: Be the first engineer and shape the future of AI infrastructure.
- Qualifications: Experience with high-scale systems and performance-oriented programming languages.
The predicted salary is between 60000 - 80000 £ per year.
Mubit is a well-funded AI infrastructure startup building the operational memory layer for production agents.
As the first engineering hire, you will architect Mubit's core infrastructure from scratch. You'll build high-performance systems for sub-80ms memory retrieval and shared state management, directly solving the "forgetful agent" problem. This role involves deep distributed systems work, SDK development, and close collaboration with the founding team to scale production AI agent fleets.
Location: London, UK
Why this role is remarkable:
- Founding engineer impact: As hire number one, you co‐own the architecture and technical direction of a critical infrastructure layer for the AI era.
- High‐performance engineering: Tackle complex distributed systems challenges where sub‐80ms latency is the baseline requirement for production agents.
- On‐site collaboration: Build alongside a well‐funded founding team in a high‐energy Canary Wharf office, fostering rapid iteration and deep technical ownership.
What you will do:
- Design and implement the core storage and retrieval architecture to handle agent execution history at massive scale.
- Build and maintain the SDK that developers use to integrate Mubit with frameworks like LangGraph, CrewAI, and AutoGen.
- Profile and optimize system bottlenecks to ensure consistent performance under heavy load while scaling infrastructure 100x.
The ideal candidate:
- Proven experience building and running high‐scale, latency‐sensitive production systems using performance‐oriented languages like Rust, Go, or C++.
- Deep understanding of distributed systems, storage engine trade‐offs, and serving data within a hot execution loop.
- A self‐directed builder who thrives in ambiguity and has extensive experience with LLM orchestration frameworks and agentic memory patterns.
Backend/Infrastructure Engineer at Mubit in London employer: Jack & Jill/External Ats
Mubit is an exceptional employer for those looking to make a significant impact in the AI infrastructure space. As the first engineering hire, you will enjoy unparalleled opportunities for professional growth and technical ownership while working in a dynamic Canary Wharf office that promotes collaboration and innovation. With a focus on high-performance engineering and a supportive founding team, Mubit offers a unique environment where your contributions directly shape the future of production AI agents.
StudySmarter Expert Advice🤫
We think this is how you could land Backend/Infrastructure Engineer at Mubit in London
✨Tip Number 1
Network like a pro! Reach out to folks in the AI and infrastructure space on LinkedIn or at meetups. We all know that sometimes it’s not just what you know, but who you know that can get you in the door.
✨Tip Number 2
Show off your skills! Build a small project or contribute to open-source that showcases your expertise in distributed systems or performance-oriented languages like Rust or Go. This gives us something tangible to discuss during interviews.
✨Tip Number 3
Prepare for technical interviews by brushing up on system design and latency-sensitive production systems. We recommend practicing with mock interviews or coding challenges to sharpen your problem-solving skills.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search!
We think you need these skills to ace Backend/Infrastructure Engineer at Mubit in London
Some tips for your application 🫡
Show Your Passion for Infrastructure:When writing your application, let us see your enthusiasm for building robust infrastructure. Share specific examples of projects where you've tackled complex distributed systems or optimised performance. We love seeing candidates who are genuinely excited about the tech they work with!
Tailor Your CV and Cover Letter:Make sure to customise your CV and cover letter for this role. Highlight your experience with performance-oriented languages like Rust, Go, or C++. We want to know how your skills align with our needs, so don’t be shy about showcasing relevant projects or achievements.
Be Clear and Concise:Keep your application clear and to the point. Use straightforward language to describe your experience and skills. We appreciate a well-structured application that makes it easy for us to see why you’d be a great fit for Mubit!
Apply Through Our Website:Don’t forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows us you’re keen on joining our team at Mubit!
How to prepare for a job interview at Jack & Jill/External Ats
✨Know Your Tech Inside Out
Make sure you’re well-versed in the performance-oriented languages mentioned in the job description, like Rust, Go, or C++. Brush up on your knowledge of distributed systems and storage engine trade-offs, as these will likely come up during technical discussions.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific examples where you've tackled latency-sensitive production systems. Think about challenges you've faced and how you overcame them, especially in high-load scenarios. This will demonstrate your ability to handle the demands of the role.
✨Understand Mubit’s Vision
Research Mubit and its mission to build operational memory layers for AI agents. Be ready to share your thoughts on how you can contribute to their goals, particularly in architecting core infrastructure and solving the 'forgetful agent' problem.
✨Be Ready for Collaboration Questions
Since this role involves close collaboration with the founding team, prepare to discuss your experience working in teams. Highlight instances where you’ve successfully collaborated on projects, especially in fast-paced environments, to show you’re a good fit for their dynamic culture.
