Top Tech Jobs & Startup Jobs in London

Design, implement, and operate Cloudflare’s S3-compatible R2 API gateway across Workers and Kubernetes. Own authentication, authorization, routing, rate limiting, error handling, API compatibility, reliability, observability, and production operations. Lead projects from design through deployment, participate in on-call and incident response, improve performance, and collaborate with storage, metadata, networking, and platform teams. Use AI coding tools extensively in daily development.

Build, deploy, and operate highly scalable Network Services systems on Cloudflare’s global edge network. Develop distributed networking systems involving BGP, Linux kernel dataplanes, control planes, APIs, traffic analytics, and data pipelines. Improve system performance, reliability, and scalability while solving complex customer problems. Own solutions end to end across design, development, deployment, and operations, and collaborate across engineering and product teams.

Partner with large UK private-sector clients from early ideation through production planning. Provide technical advocacy, solution design, validation project management, best-practice guidance, and expertise across networking, cybersecurity, edge computing, Internet performance, and Cloudflare technologies. Explain complex concepts and ROI, support customer buying decisions, collaborate with internal specialists, and contribute to technical knowledge sharing. The role includes significant in-region travel to customer offices, conferences, and events.

Design, build, and operate billing microservices for metering, subscriptions, invoicing, payments, and financial workflows. Lead projects end-to-end, ensure financial correctness and reliability, improve observability, investigate incidents, and collaborate with Product, Finance, and other teams to deliver scalable billing infrastructure.

Leads enterprise sales across Israel’s digital-native customer segment, exceeding multi-million-dollar quotas through new-logo acquisition and account expansion. Manages complex sales cycles, forecasts pipeline accurately, maps customer IT architectures to Cloudflare solutions, and negotiates large contracts. Influences executive and technical stakeholders, leads virtual cross-functional teams, positions digital transformation value, builds strategic customer relationships, and coaches colleagues.

Develop and maintain Cloudflare’s Rust-based Front Line web server, which processes over 150 million HTTP requests per second. Improve edge availability, safety, reliability, security, deployment frequency, automation, observability, and performance. Collaborate across engineering and product teams to design solutions for large-scale distributed systems and drive continuous operational improvement.

Serve as a senior technical advisor to enterprise customers using Cloudflare Workers and Workers AI. Lead architecture and solution reviews, diagnose complex issues, optimize security, networking, scalability, and performance, and manage Terraform-based configurations. Collaborate with Sales, Support, Customer Success, Product, Partners, and Engineering to solve customer challenges and influence the product roadmap. The role requires deep Cloudflare application-security expertise, strong consulting and communication skills, and hands-on customer engagement.

Design, implement, and operate Cloudflare’s S3-compatible R2 API gateway at global scale. Responsibilities include authentication, authorization, routing, rate limiting, error handling, distributed systems development, reliability and observability improvements, deployment, monitoring, incident response, and cross-team coordination. The role also involves on-call participation, postmortems, compatibility with the S3 API, and extensive use of AI tools for development and operations.

Lead and grow the Workers KV engineering team, shaping product features, improving performance, and delivering scalable distributed storage systems. Responsibilities include hiring, onboarding, professional development, planning, execution oversight, process improvement, instrumentation, and resolving delivery blockers. The role partners technical strategy with business goals while building reliable, high-performance developer APIs and infrastructure for Cloudflare’s global edge network.

Drive new-business sales for Cloudflare’s Mid-Market offering across the UKI territory. Responsibilities include identifying target accounts, executing territory plans, managing contract negotiations, maintaining a sales pipeline, developing strategic customer relationships, articulating value propositions, achieving revenue targets, and ensuring customer satisfaction. The role requires approximately 25% travel and engagement with technical and non-technical buyers.