Jack & Jill
Robotics Software Engineer (£70k-£100k + Equity) at Mutable Tactics
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Job Title
Robotics Software Engineer
Salary
£70k-£100k + Equity
Company Description
Mutable Tactics is a pre-seed robotics startup based in Cambridge building the orchestration layer for autonomous fleets. We turn solo robots into cohesive, intelligent teams by developing "Mastermind," a sophisticated decision engine that fuses symbolic task planning with probabilistic state estimation for real-time mission execution.
Job Description
You will own core "Mastermind" modules, transforming high-level decision engines—including symbolic task planning and behavior trees—into high-performance, real-time C++ for edge compute. Working directly with the CTO in a team of four, you will take autonomous systems from prototype to deterministic field trials on real flight hardware.
Location
Cambridge, UK
Why this role is remarkable
- Directly architect the decision-making "brain" of multi-robot systems, moving beyond simple simulation to real-world flight trials and field operations.
- Join an elite founding team of four in a pre-seed environment where your technical decisions immediately shape the core product and company trajectory.
- Solve the complex problem of coordinating heterogeneous robotic fleets under real-world uncertainty, sensor degradation, and mission-critical time constraints.
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What You Will Do
- Design and implement core modules in modern C++ (17/20) for task execution, world-state management, and platform adapters for autonomous vehicles.
- Develop the reasoning side of the world model by abstracting fused perception tracks into symbolic states for the PDDL-based decision engine.
- Integrate partner platforms using MAVLink and ROS 2, leading field trials and ensuring deterministic performance on hardware like NVIDIA Jetson.
The ideal candidate
- Extensive production experience in modern C++ (17/20) focusing on concurrency, memory ownership, and performance profiling for real-time robotic systems.
- Deep technical background in symbolic task planning (PDDL), behavior trees, or decision-making under uncertainty (POMDPs) for real-world applications.
- Proven track record of shipping software for real physical robots using ROS 2 and Linux, with eligibility for UK SC clearance.
Who are Jack & Jill?
Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
Get help with your application
Your very own career expert that helps elevate your application to the next level.
And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
How does this work?
Jack's an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack's network.
If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.
We never post fake jobs
This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.
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