Robotics Software Engineer at Mutable Tactics
- Location
- Cambridge, United Kingdom
- Compensation
- £70k-£100k + Equity
Mutable Tactics is building the orchestration layer for autonomous robotics, and they need a Robotics Software Engineer to own the decision-making "brain" of their multi-robot fleets. Join a pre-seed team of four in Cambridge to turn symbolic task planning and behavior trees into high-performance C++ running on edge compute.
If you have deep experience in PDDL or POMDPs and want to see your code fly in real-world trials, this is your chance to have direct ownership of a core system from day one in an elite robotics startup.
Role overview
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.
About Mutable Tactics
Mutable Tactics is a UK-based deep defense-tech startup developing an edge-deployed AI orchestration layer for autonomous robotics. Its flagship product, Mastermind, is designed to coordinate mixed fleets of unmanned systems and convert inexpensive, third-party robotic platforms into a unified team that can operate in degraded, denied, or communications-limited environments while preserving meaningful human control. The company describes its technology as combining sensing, reasoning, and compute at the edge to enable coordinated multi-robot missions and explainable autonomy.
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.
Who this is a fit for
- 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.
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.
How Jack & Jill work together

What happens next?
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If your profile’s a match and Mutable Tactics wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.