Top Tech Jobs & Startup Jobs in London

Architect, deploy, and operate highly available distributed infrastructure powering Cloudflare’s global server fleets. Build automation and internal platform tools, optimize Linux and networking performance, conduct capacity planning, monitor system health, and improve reliability at scale. Collaborate with security, network engineering, and product teams while supporting platforms including Kubernetes, databases, Kafka, storage systems, CI/CD tools, and AI infrastructure.

Advise product, engineering, business, and senior leaders on technology, Internet, privacy, intellectual property, and product strategy matters. Draft and negotiate technology transactions, licensing agreements, marketplace arrangements, terms of service, policies, and disclosures. Support privacy-by-design reviews, data-flow assessments, marketing claims, promotions, patent strategy, trade-secret protection, and scalable legal processes. Translate complex legal risks into practical guidance and engage externally as a subject matter expert.

Build and improve Cloudflare Workers Runtime features that execute customer code at the edge. Responsibilities include optimizing performance, reliability, and scalability; expanding JavaScript and WebAssembly support; shaping technically feasible features; owning production code; and debugging large-scale distributed systems. The role requires strong computer science fundamentals, C++ or Rust experience, web knowledge, and Linux-based systems expertise.

Leads technical go-to-market activities for enterprise customers across the full Cloudflare customer lifecycle. Partners with account executives on discovery, technical validation, demonstrations, architecture, PoCs, onboarding, adoption, renewals, and expansion. Serves as a trusted technical advisor, translates complex network and security requirements into business outcomes, supports QBRs, manages quota-aligned growth, and uses AI automation to streamline workflows and customer enablement.

Build scalable, low-latency systems for machine-to-machine payments and agentic commerce. Responsibilities include developing payment protocols, usage metering, pricing, outcome verification, authentication, billing, settlement, digital wallet integrations, and revenue attribution. The role requires secure, reliable, high-throughput software across edge infrastructure and transaction engines, collaborating with engineering, research, product, and design teams to deliver emerging commerce capabilities.

Leads a regional team of quota-carrying Customer Engineers across the full customer journey, from discovery and technical validation through adoption, retention, and expansion. Responsibilities include hiring, coaching, forecasting, pipeline management, deal strategy, executive communication, operational improvement, and cross-functional leadership. The manager also promotes AI-augmented workflows and remains a player-coach by participating in customer meetings, QBRs, discovery sessions, and proof-of-concept reviews.

Design and lead resilient, low-latency systems for machine-to-machine payments, metering, and monetization across Cloudflare’s network. Define architectures and RFCs, establish technical standards, partner with customers and product teams, lead incident response and root-cause analysis, improve observability and reliability, review complex systems, mentor engineers, and guide product KPIs and roadmaps.

Maintains Cloudflare’s global data center network infrastructure across remote colocation sites. Responsibilities include configuring network equipment, ensuring operational availability, managing contractors and vendors, creating SOPs and operational plans, supporting deployments and migrations, improving processes through automation and AI tools, troubleshooting infrastructure, and participating in a 24/7 on-call rotation. The role also involves basic program management, documentation, status reporting, and limited travel.

Leads the post-sale customer journey from onboarding through retention and renewals. Manages customer relationships, success plans, executive business reviews, renewal negotiations, forecasts, upsells, and churn reduction. Partners with Sales, Product, Engineering, Support, and Marketing to resolve issues and drive adoption. Uses AI, data analysis, and workflow automation to identify opportunities, improve forecasting, and increase customer and commercial outcomes.

Lead post-sale customer lifecycle including onboarding, retention, renewals, and upsell. Act as trusted advisor, build strategic relationships, execute Executive Business Reviews, maintain forecasts, negotiate renewals, and collaborate cross-functionally. Embed AI-driven workflows to analyze usage, identify opportunities, and automate CRM and forecasting tasks to maximize customer outcomes and revenue.