Top Tech Jobs & Startup Jobs in London

Own Helsing's brand delivery end-to-end: run brand campaigns, product and launch marketing, manage the website, ensure brand consistency, coordinate suppliers and agencies, improve marketing operations and tooling, and lead employer-brand initiatives to attract talent.

Develop reliable, mission-critical software and AI capabilities for semi-autonomous platforms operating in complex, changing environments. Engineers solve challenging problems with code, contribute to systems design, collaborate through code reviews and pair programming, and communicate architectural decisions clearly. The role involves technical interviews covering systems design, project deep dives, and live coding. Work may span distributed systems, AI, deployment infrastructure, robotics, and edge applications, with strong emphasis on ethical engineering, independent reasoning, reliability, and safety.

Early-career software engineer developing reliable, mission-critical software and AI-enabled capabilities for semi-autonomous platforms. The role involves solving complex engineering problems, reasoning about system architecture, writing code independently, collaborating through code reviews and pair programming, and communicating technical decisions clearly. Candidates are assessed through a project walkthrough, systems design discussion, live coding, and leadership interview. Experience with Python, Rust, backend interfaces, cloud-native or edge architectures, hardware interfaces, or robotics is beneficial.

Lead Helsing’s commercial engagement strategy with UK defence procurement organizations, including the National Armaments Director Group and DE&S. Build senior stakeholder networks, align procurement requirements and timelines, shape defence engagement strategies, represent the company in senior forums, and develop internal frameworks for navigating Ministry of Defence procurement cycles. The role requires bridging government procurement and technology-industry cultures to support major defence programme opportunities.

Develop and validate guidance, navigation, and control algorithms for unmanned aircraft systems. Responsibilities include designing controllers and state estimators, simulating navigation performance, calibrating sensors, analyzing flight-test data, executing algorithm evaluations, and collaborating with aerodynamics, flight mechanics, embedded software, hardware, and testing teams.

Lead the redesign and scaling of global People Operations across the employee lifecycle. The role owns process landscapes, service delivery, HRIS data, onboarding, offboarding, payroll inputs, mobility, documentation, automation, controls, and operational metrics. It also develops team capability, clarifies ownership, improves employee self-service, guides AI adoption, and drives continuous improvement across international operations while balancing global consistency with local requirements.

Develop and execute commercial strategies for UK defence campaigns, lead negotiations with partners and suppliers, manage MoD tender processes, ensure procurement and governance compliance, and advise cross-functional teams. The role also monitors the UK defence market for opportunities and risks, requiring substantial experience with UK defence procurement, complex stakeholder negotiations, and government-industry engagement. Maritime or naval defence experience is preferred.

PhD-level research intern to investigate and prototype 3D computer vision methods (SLAM, VIO, localisation, reconstruction). Survey SOTA, design and benchmark algorithms under real-world conditions, convert ideas into prototypes, and report results to a distributed European team focused on deployable defence-grade spatial perception.

As an AI Research Engineer focused on AI Safety, you will develop techniques for evaluating AI products, enhance decision-making via uncertainty quantification, and ensure robustness against adversarial attacks.

Design and deliver an operational multimodal sensing stack combining EO/LWIR cameras, radar, LiDAR, and IMUs. Own sensor selection, synchronization (PTP/PPS/hardware triggers), calibration, safety concepts, system architecture, lab bring-up, and data-quality tuning for defence AI deployments.