Cloud Computing Jobs

Amazon · London

Leads end-to-end migration assessments for large enterprise data centre exit programmes, scoring application estates of 1,000+ servers and assigning R-strategies documented in Architecture Decision Records. Builds dependency maps, designs wave plans respecting regulatory frozen zones, and runs Tech Bridge sessions with customer application owners. Works alongside Security, Networking and Replatform teams, with up to 50% travel to customer sites.

Amazon · London

Owns the technical relationship with capital markets customers, acting as a trusted advisor on security, cost, performance and reliability. Leads architecture design, reviews and workshops across trading, risk, post-trade and market data domains, designing scalable solutions with AWS services, AI/ML and HPC while partnering with account teams.

Cloudflare · London · €66,000 – €91,000 pa

Builds and operates developer productivity tooling and the platform product teams use to deploy and run services, blending software engineering with operational duties. Work spans scalable distributed systems, Kubernetes and container workloads, CI/CD pipelines, and hardening against security and resource-contention issues, including incident response.

Cloudflare · London

Builds and operates services that let customers configure and safely deploy traffic routing rules across Cloudflare's global edge network. Works at the intersection of application deployment and infrastructure operations, designing distributed configuration systems with progressive rollout, versioning and observability alongside cross-functional teams.

Nebius · Amsterdam, Netherlands; Germany; United Kingdom

Builds and operates a production Managed PostgreSQL service for AI workloads, spanning Go control-plane automation, Postgres internals tuning, and migration tooling off RDS, Cloud SQL and self-managed clusters. Also drives vector search (pgvector) and runs the service like an SRE, handling SLOs, incidents and customer escalations.

Nebius · Amsterdam, Netherlands; Berlin, Germany; United Kingdom

Designs and builds distributed backend services for a cloud monetization platform, handling billing, payments, reservations and metering across 25+ microservices. Works with Python, gRPC, Temporal, YDB and Kafka-like messaging, focusing on distributed transactions, consistency and reliable asynchronous workflows.

Databricks · London

Serve as a trusted technical advisor guiding enterprise customers through the full lifecycle of Databricks deployments on AWS, Azure or GCP, from architectural design to production. The role specialises in cloud networking, identity, security compliance and infrastructure-as-code, with hands-on Python and PySpark coding required.

Databricks · London

Owns the end-to-end technical strategy for enterprise accounts, leading architecture discussions and designing scalable lakehouse, streaming and ML/AI solutions on the Databricks platform. Acts as a trusted advisor to customer architects and engineering leads, driving platform adoption and competitive wins while developing a declared technical specialisation.

Cloudflare · London · €66,000 – €91,000 pa

Build and operate microservices behind Cloudflare's Application Security products such as Rate Limiting and Web Application Firewall, working mainly in Rust with Go, PostgreSQL, Redis, Kafka and Clickhouse. Senior engineers lead complex projects from design through production, mentor peers, and improve reliability of distributed systems at large scale, with on-call flexibility required.

Cloudflare · London

Designs and writes code for Cloudflare's Application Security products (WAF, Page Shield, API Shield), deploying and maintaining live services at massive scale and taking on-call shifts. Works primarily in Go or Rust with Kubernetes and Kafka, reviewing RFCs and mentoring other engineers.

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 · Thames Valley, Berkshire, GBR

Supports and operates AWS messaging and streaming services including Kinesis, SQS, SNS, EFS and FSx, combining operations and networking expertise. The role involves automating and simplifying daily operations, analysing dashboards and metrics, writing SOPs and runbooks, and participating in a 24/7 on-call rotation for high severity issues.

Amazon · Thames Valley, Berkshire, GBR

Engineers on this team build and operate AWS database services at massive scale, blending development, operations, networking and systems engineering. Day-to-day work includes deep-diving customer issues, investigating metric anomalies, and automating operational problems, in a fast-paced, start-up-like environment.

Amazon · Thames Valley, Berkshire, GBR

Oversees physical security across a cluster of AWS data centres, directing Security Officers and auditing documentation, technology and processes. Leads cross-functional projects to close security gaps, standardise governance frameworks and raise standards across high-security sites. Requires UK national status and ability to obtain UK Government Security Clearance.

Amazon · London

Customer-facing solutions architect role driving enterprise cloud modernization and migration to AWS, acting as a trusted technical advisor to senior leaders and stakeholders. Involves defining cloud-native reference architectures, advising on security, cost, performance and reliability, and creating best-practice content such as white papers and workshops.