Top Tech Jobs & Startup Jobs in London

Drive business development and strategic engagement across UK defence and national security. Build relationships with government, defence, industry, and technology stakeholders; originate and close complex contracts; develop partnerships; manage opportunities from qualification through deployment; lead proposals, pricing, and negotiations; conduct customer discovery; and translate market intelligence into product roadmap and go-to-market recommendations.

Lead and build Arondite’s People function as the company scales. Responsibilities include organisational design, compensation and benefits, performance management, employee relations, UK-compliant policies and contracts, professional development, internal communications, and international employee support. The role partners closely with leadership, Finance, Legal, Talent Acquisition, and Communications while maintaining company culture and delivering a cohesive employee experience.

Software Engineering Intern supporting hands-on development of real-world software for AI-enabled autonomous systems. The role involves collaborating with experienced engineers, contributing to mission-critical projects, and potentially deploying technology in challenging environments. Candidates should be entering their final undergraduate year in a technical subject, have strong software engineering skills, and programming experience in a server-side language such as Python, C++, Java, or Rust. UK right-to-work and security vetting are required.

Design, build and deploy agentic AI features and LLM-driven systems for secure, compliant environments. Integrate AI across backend and UI, optimise models (including perception/CLIP/CLAP), document for compliance, and deliver robust production solutions.

Operate and improve corporate IT and development environments: manage Windows/Linux/macOS endpoints, cloud services, identity and SSO, secure network infrastructure, automate tasks, maintain documentation, support engineering teams, follow cybersecurity standards, and participate in on-call rotation while assisting compliance with UK government accreditations.

Design and ship high-quality interfaces for Cobalt, a defence-focused OS. Lead visual direction, craft enterprise desktop and mobile UX, run user research, prototype (including AI-native workflows), collaborate with engineers, and shape the product and design system for mission-critical geospatial and human-machine teaming use cases.

Lead and evolve Arondite's visual identity. Create marketing and external assets (decks, factsheets, conference materials, social graphics), develop illustrations, maintain an asset bank, ensure brand consistency, and collaborate across product, growth, and deployment teams.

Design, train, evaluate and deploy robust deep learning models from sensor input to user interface; integrate models into cloud and edge systems; work with customers to define problems; document, monitor and ensure safe, secure production AI solutions.

Lead planning and execution of customer deployments, engage users to map workflows and pain points, prioritise high-value problems, design iterative delivery plans, bridge users with product and engineering, and lead technical delivery across interconnected workstreams to ensure safe, effective operational impact.

The Software Engineer will develop software for autonomous systems, collaborate with users to refine features, and build user interfaces. Responsibilities include coding, testing, and interfacing with robotic systems while fostering a culture of excellence.