Cloud Computing Jobs

Amazon · London

Acts as principal technical advisor and voice of the customer for large financial services organisations, owning the cloud strategy conversation with senior technology leaders. Drives adoption of AWS services across compute, storage, databases, serverless and more, while establishing operational frameworks such as DevSecOps and Target Operating Models. Uses generative AI tools and AI agents for workload discovery, resilience assessments and proactive recommendations.

Amazon · Thames Valley, Berkshire, GBR

Leads the design, operation, scaling and expansion of AWS network and software infrastructure for Regions serving enterprise, federal and civilian customers. Manages multiple teams of network and systems engineers, owning capacity forecasting, change control, automation and operational health, while representing networking to customers and senior leadership.

Cloudflare · London

Owns the request-facing layer of Cloudflare's R2 object storage: the S3-compatible API gateway handling authentication, routing, rate limiting and error handling for every put, get, list and delete. Builds and operates high-throughput services on Cloudflare Workers and Kubernetes, with on-call incident response and heavy use of AI tooling in the daily workflow.

Cloudflare · London

Lead a distributed, customer-obsessed team building a developer observability platform that makes telemetry discoverable and actionable. You set technical and product vision with PM and engineers, own SLOs, incident response and technical debt, and work cross-functionally to instrument high-volume primitives like Workers, Agents and Durable Objects. The role is deeply hands-on and customer-facing, with a strong emphasis on hiring, mentoring and raising the engineering bar.

Nebius · London

Builds and operates low-latency, high-throughput runtime services for an agent-native search platform, handling thousands of requests per second under strict latency budgets. Work spans query processing, retrieval orchestration and response assembly, with heavy focus on CPU, memory and data-access optimisation, observability and reliability. Collaborates with indexing and ML teams to integrate retrieval and ranking while keeping ML logic decoupled from core internals.

Nebius · London

Owns a platform-level optimization pillar such as quantization, speculative decoding, KV-cache optimization, or long-context serving, taking models from artifact to fast, cost-efficient endpoints. Builds benchmarking and rollout frameworks, tunes engines like vLLM and TensorRT-LLM, and sets technical direction for MLEs, kernel and infrastructure engineers.

Cloudflare · London · €68,000 – €91,000 pa

Builds and extends network software infrastructure on critical traffic paths, spanning the Linux kernel network stack, network hardware dataplane and physical interconnects. Works across the full development lifecycle, from design and automated testing to production deployment and monitoring, under a "Run What You Build" model with on-call duties.

Cloudflare · London

Interns ship and deliver a project over 12-14 weeks with autonomy and mentor support, working cross-functionally on software that handles massive network traffic. Engineering teams use TypeScript/JavaScript, Go, Rust, C/C++ and Python in a microservices-based architecture, and interns present their work to the whole company at the end.

Cloudflare · London

Builds and maintains a Chromium-based browser engine and the distributed services behind remote browser isolation, working in C++, Rust, Go and TypeScript. Debugs failures across browser processes, Linux hosts and orchestration layers, and improves session reliability, startup time and interactive latency. Includes production on-call after onboarding.

Cloudflare · London · US$200,000 – US$288,000 pa

Lead and grow the engineering team behind stablecoin wallets, blockchain settlement systems, and micropayment rails for agentic transactions. Own execution, reliability, and cryptographic security while partnering with Product and crypto teams, scaling pipelines on Cloudflare Workers and Durable Objects. A people-management role requiring deep technical credibility in distributed systems and smart contracts.

Cloudflare · London

Builds and operates a Chromium-based browser isolation engine, working across C++, Rust, Go and TypeScript on remote rendering, WebRTC streaming and distributed session orchestration. Leads multi-component initiatives from design through staged rollout, diagnosing cross-layer failures and improving resilience and observability, with production on-call duties.

Cloudflare · London · €74,000 – €93,000 pa

Lead and grow the engineering team behind Cloudflare's agentic commerce products, including the Monetization Gateway, machine-to-machine micropayments, usage metering, pricing engines and revenue attribution. The role is hands-on-technical management, partnering with Product and blockchain teams on payment rails, cryptographic auth and open agentic payment standards, with on-call responsibilities.

Cloudflare · London · €54,000 – €75,000 pa

Build and operate systems terminating HTTP and TLS at Internet scale, migrating core infrastructure from NGINX to a next-gen Rust-based proxy. Work spans protocol performance measurement, open-source contributions and IETF standards like QUIC, MASQUE and ECH, alongside leading engineers.

Amazon · London

Embeds inside a strategic enterprise customer to design, build, deploy and run AI-powered production systems alongside their engineering team. Owns technical strategy for complex multi-workstream AI programs, architecting multi-agent orchestration, enterprise retrieval and decision intelligence platforms, and defining operational standards and evaluation frameworks. Also mentors junior engineers and builds reusable accelerators, with 30–50% travel required.

Amazon · London

Hands-on security engineering role securing production AI systems deployed inside enterprise customer environments. You conduct design and code reviews, threat modeling and penetration testing for agentic workflows and RAG pipelines, and build security automation such as scanning tools, CI/CD gates and guardrail testing scripts. Work alongside FDE delivery pods, with up to 25% travel.