AI & Defence Software jobs in United Kingdom: 40+ open roles

Software & DataSeniorQuantum Technology +1 morepythonaws+3 more

Multiverse Computing Multiverse Computing is a fast-growing deep-tech company founded in 2019 and recognized by CB Insights as one of the 100 most promising AI companies globally. We are the largest q...

Machine Learning Engineer

Software & DataMid LevelAI & Defence Softwarepythonaws+3 more

Why Faculty? We established Faculty in 2014 because we thought that AI would be the most important technology of our time. Since then, we’ve worked with over 350 global customers to transform their pe...

Principal Data Scientist

Software & DataSeniorAI & Defence Softwareaiml

Why Faculty? We established Faculty in 2014 because we thought that AI would be the most important technology of our time. Since then, we’ve worked with over 350 global customers to transform their pe...

Lead Computer Vision Engineer

Software & DataSeniorAI & Defence Softwarepythonai+1 more

Why Faculty? We established Faculty in 2014 because we thought that AI would be the most important technology of our time. Since then, we’ve worked with over 350 global customers to transform their pe...

Senior Machine Learning Engineer

Software & DataSeniorAI & Defence Softwarepythonaws+3 more

Why Faculty? We established Faculty in 2014 because we thought that AI would be the most important technology of our time. Since then, we’ve worked with over 350 global customers to transform their pe...

Lead Software Engineer

Software & DataSeniorAI & Defence Softwarepythondocker+3 more

Why Faculty? We established Faculty in 2014 because we thought that AI would be the most important technology of our time. Since then, we’ve worked with over 350 global customers to transform their pe...

Defense Sales UK - H/F

Alta Ares•

Business DevelopmentMid LevelAI & Defence Software +2 moreaifull-stack

About Alta Ares Alta Ares is a deeptech startup founded in 2024, building real-time AI for defense operations — ISR, C-UAS, and autonomous systems. Our clients are NATO-aligned militaries and defence ...

Field Deployment Engineer

Archangel Imaging•

Oxford, United Kingdom

OperationsMid LevelAI & Defence Software +1 moreuavfield deployment+3 more

Join Archangel Autonomy and help transform machines into teammates. At Archangel Autonomy, we’re combining AI and robotics to protect our service personnel, critical infrastructure, and first responde...

Control Systems Engineer - UXV Platforms

Archangel Imaging•

Oxford, United Kingdom

Hardware & SystemsMid LevelAI & Defence Software +1 moreaiuav+3 more

Are you a detail-focused, hands-on, Control Systems Engineer with a passion for drones? Joining us as Control Systems Engineer, you will have an opportunity to support the system analysis, modelling, ...

Senior CFD Engineer - Multiphase

Software & DataSeniorAI & Defence Softwarepythonai

About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulatio...

Staff Machine Learning Software Engineer, Research

Software & DataSeniorAI & Defence Softwarepythonaws+3 more

About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulatio...

Senior Simulation Data Engineer

Software & DataSeniorAI & Defence Softwarepythonkubernetes+2 more

Note: We are currently recruiting for multiple positions, however please only apply for the role that best aligns with your skillset and career goals. The Role The Senior Simulation Data Engineer will...

Principal Machine Learning Infrastructure Engineer

Software & DataSeniorAI & Defence Softwarepythonkubernetes+3 more

The job you are looking for is no longer open. Come shape the future of engineering PhysicsX is a physical AI company on a mission to accelerate innovation and overhaul what engineering and manufactur...

Machine Learning Software Engineer, Research

Software & DataMid LevelAI & Defence Softwarepythonaws+3 more

About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulatio...

Head of External Affairs

StrategyManagerAI & Defence Softwareai

Location: London / Hybrid Reports to: CEO (Growth area) Function: Marketing & External Affairs About Skyral Skyral is building defence-grade modelling, simulation and digital twin technology for compl...

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Full Stack Engineer

Hadean•

Software & DataMid LevelAI & Defence Softwaretypescriptreact+3 more

Engineering · London Hadean is a deep-tech company building cutting-edge distributed computing technology that powers scalable, secure, and interoperable digital environments. Our platform enables rea...

H

Full Stack Software Engineer

Hadean•

Software & DataMid LevelAI & Defence Softwaretypescriptreact+2 more

Engineering · London · Hybrid Location: London Travel: Travel required several times per year (UK and international), sometimes at short notice and for up to 7 days Security: Must be eligible to obtai...

H

Simulation Software Engineer

Hadean•

Software & DataMid LevelAI & Defence Softwaretypescriptreact+3 more

Engineering · London · Hybrid Location: London Travel: Travel required several times per year (UK and international), sometimes at short notice and for up to 1 week Security: Must be eligible to obtai...

Staff Engineer

4C Strategies•

Software & DataSeniorAI & Defence Software

Military · Warminster · Hybrid Are you a Staff Engineer ready to lead complex integrations, APIs and data architecture for a major UK Defence programme? Join 4C Strategies and shape the future of mili...

Cambridge, United Kingdom

Robotics Engineer (planning & behaviour)

Mutable Tactics•

Software & DataMid LevelAI & Defence Software +2 more

Robotics Engineer (planning & behaviour) Skip to content Available positions Robotics Engineer (planning & behaviour) Get Notion free Robotics Engineer (planning & behaviour) Department Behaviour Job ...

Cambridge, United Kingdom

ML Engineer (perception & state estimation)

Mutable Tactics•

Software & DataMid LevelAI & Defence Software +2 more

ML Engineer (perception & state estimation) Skip to content Available positions ML Engineer (perception & state estimation) Get Notion free ML Engineer (perception & state estimation) Department Perce...

Software Engineer, Mid/Senior

Software & DataSeniorAI & Defence Software

EngineeringMid/Senior You are a software developer with a keen interest in generating real-world impact with industrial applications. ) Who we are We are a London tech startup on the lookout for brigh...

Software Engineer, Junior / Graduate

Software & DataJuniorAI & Defence Software

Engineering You are an early-career software developer or recent graduate with a keen interest in generating real-world impact with industrial applications. ) Who we are We are a London tech startup o...

Founder's Associate (Growth)

MarketingMid LevelAI & Defence Software

Growth You are a recent graduate or about to graduate, driven by a passion for innovation and a desire to make a tangible impact in an entrepreneurial setting. You are flexible, thrive in dynamic envi...

DevOps/Site Reliability Engineer, Junior/Mid/Senior

Software & DataJuniorAI & Defence Softwaredevops

Engineering You are a DevOps/Site Reliability Engineer with experience managing complex infrastructure and deploying scalable, reliable systems. You are passionate about automation, cloud technologies...

Data Scientist, Mid/Senior

Software & DataSeniorAI & Defence Software

EngineeringMid/Senior You are a recent PhD graduate, or about to graduate, in a STEM field with a keen interest in generating real-world impact with industrial applications ) Who we are We are a Londo...

Deployed Systems Engineer

Hardware & SystemsMid LevelAI & Defence Softwareairemote+1 more

Description About Arondite Arondite is a defence technology company building the foundational software and AI to power the autonomous age. Our aim is to revolutionise the way organisations collaborate...

Modelling and Simulation Engineer

Software & DataMid LevelAI & Defence Softwarepythonai

We Are Skyral: We believe every decision maker can be empowered by technology. Skyral combines AI, leading edge simulation technology and world class expertise to transform the decision making experie...

Fullstack Software Engineer - Simulation Integrations

Software & DataMid LevelAI & Defence Softwarepythontypescript+3 more

We Are Skyral: We believe every decision maker can be empowered by technology. Skyral combines AI, leading edge simulation technology and world class expertise to transform the decision making experie...

Senior Platform Engineer

Software & DataSeniorAI & Defence Softwarepythondocker+3 more

We Are Skyral: We believe every decision maker can be empowered by technology. Skyral combines AI, leading edge simulation technology and world class expertise to transform the decision making experie...

Chief of Staff

Stanhope AI•

StrategySeniorAI & Defence Software

C A R E E R O P P O R T U N I T I E S Senior Position, Full-time, London Commencement: December 2025 Role Overview The Chief of Staff will act as a strategic partner to the CEO and leadership team — c...

AI Developer – Robotics & Embodied Active Inference Systems

Stanhope AI•

Software & DataMid LevelAI & Defence Softwareai

C A R E E R O P P O R T U N I T I E S AI Developer – Robotics & Embodied Active Inference Systems Mid-Senior Position, Full-time, London Commencement: December 2025 Role Overview As an AI Developer, y...

DevOps Engineer

Software & DataMid LevelAI & Defence Softwaredevops

Description About Arondite Arondite is a defence technology company building the foundational software and AI to power the autonomous age. Our aim is to revolutionise the way organisations collaborate...

Deployed Network Engineer

Software & DataMid LevelAI & Defence Software

Description About Arondite Arondite is a defence technology company building the foundational software and AI to power the autonomous age. Our aim is to revolutionise the way organisations collaborate...

Deployed Software Engineer

Software & DataMid LevelAI & Defence Software

Description About Arondite Arondite is a defence technology company building the foundational software and AI to power the autonomous age. Our aim is to revolutionise the way organisations collaborate...

Deployment Strategist

StrategyMid LevelAI & Defence Software

Description About Arondite Arondite is a defence technology company building the foundational software and AI to power the autonomous age. Our aim is to revolutionise the way organisations collaborate...

S

Part-Time R&D Funding Specialist (UK & EU Innovation)

Sky Engine AI•

Bristol, United Kingdom

OperationsMid LevelAI & Defence Software

Part-Time R&D Funding Specialist A note on flexibility: This position is ideal for professionals with existing commitments (e.g., at a university or research institution) seeking a high-impact, flexib...

Embedded Software Engineer (UAVs)

Archangel Imaging•

Oxford, United Kingdom

Software & DataMid LevelAI & Defence Software +1 moreoxforduk+7 more

About Archangel Autonomy Archangel Autonomy develops compact, intelligent embedded systems for autonomous vehicles and edge AI applications. The company creates advanced AI co-pilots for deployed mach...

8 months ago

Labrys - Talentpool

Labrys•

Remote (London), United Kingdom

Software & DataMid LevelAI & Defence Software

Are you excited by working for a fast-growing SaaS start-up? Do you have a fascination and curiosity about the way technology helps us connect with communities around the world? What will keep you cha...

11 months ago

Front-End Developer (Mid to Early Senior)

CyNation•

Belfast, United Kingdom

Software & DataMid LevelCybersecurity +1 morepythonjavascript+3 more

CyNation is a cyber security and risk management start-up with offices in London, Belfast and The Hague. Responsibilities Build intuitive and interactive analytics interfaces Implement best practices ...

11 months ago

Full-stack / Back-End (Senior)

CyNation•

Belfast, United Kingdom