Top Tech Jobs & Startup Jobs in London

Own end-to-end recruitment for technical and non-technical roles during hypergrowth. Source and hire software, infrastructure, cybersecurity, AI, product, and business talent; advise hiring managers; deliver an excellent candidate experience; track recruiting metrics; strengthen employer branding; and build scalable hiring processes, interview frameworks, and interviewer training.

Design, build, and operate secure, accessible, high-performance web and native mobile interfaces for a zero-trust platform. Own frontend architecture, APIs, state management, offline synchronization, encrypted storage, authentication, testing, deployment, observability, and performance optimization. Collaborate with product, design, backend, and security teams to translate complex mission-critical workflows into resilient user experiences across React/TypeScript, iOS, and Android.

As a Software Engineer, you will design, build, and operate backend services in Go, develop microservices and APIs, and manage deployment workflows using Docker, Kubernetes, and CI/CD practices.

Deploys, monitors, and operates production LLM applications and agentic AI platforms in Kubernetes environments. Responsibilities include automating containerized deployments, managing CI/CD and infrastructure, supporting agent workflows, resolving application and infrastructure issues, building AI evaluation and observability frameworks, monitoring data pipelines, and optimizing GPU/CPU resources, autoscaling, latency, throughput, and cloud costs.

Design and build data foundations using Python, SQL, NoSQL, graph databases, and knowledge graphs. Define ontologies, create ingestion and transformation pipelines, resolve entities, maintain provenance, design schemas, develop queries, enforce data validation, and manage model evolution, migrations, backfills, and recovery across heterogeneous data sources.

Own the reliability of production data services and processing workloads across secure customer environments. Build CI/CD and GitOps workflows, orchestration tooling, monitoring, alerting, recovery procedures, and operational automation. Troubleshoot Kubernetes, Linux, networking, storage, databases, and production incidents while improving runbooks and ensuring secure integration with identity, secrets, and network controls.

Lead Valarian’s defence business development strategy across government, primes, integrators, and end users. Responsibilities include account mapping, pipeline generation, bid and proposal development, capture management, stakeholder engagement, assurance and compliance coordination, audit and certification management, and defence-focused go-to-market planning. The role partners with Product, Engineering, Legal, and Compliance, establishes sales processes and metrics, and builds a high-performing defence business development team.

Lead Valarian’s brand and product design strategy across its AI security platform, digital presence, collateral, and marketing materials. Build scalable design systems, conduct user research, simplify complex security workflows into intuitive interfaces, create data visualizations, maintain accessibility standards, and collaborate with Product, Engineering, Marketing, BD, and leadership. The role is hands-on and includes developing design frameworks, presenting design decisions, and potentially mentoring or hiring junior designers.

Lead customer deployments of ACRA across cloud, on-premise, and customer-managed environments. Responsibilities include infrastructure readiness, Kubernetes installation and upgrades, troubleshooting Linux and networking issues, operational validation, customer communication, documentation, training, and post-go-live support. The role also improves automated installation and upgrade workflows, collaborates with engineering on product issues, and manages deployment ownership from discovery through handover.

Build and secure Valarian’s Acra platform infrastructure, focusing on observability, high availability, fault tolerance, disaster recovery, backups, incident response, scalability, and continuous deployment. Partner with product engineering to establish reliability and security standards. The role requires securing Kubernetes environments, networking, service meshes, secrets management, vulnerability scanning, runtime security, and cloud platforms while collaborating with auditors, penetration testers, and security vendors.