Principal Distributed Systems Engineer

What Is The Role:We are on the lookout for aPrincipal Software Engineer Ito join ourElasticsearch - Distributed Systems teamand focus on how Elasticsearch provides scale, performance, and resilience. This team owns how nodes in an Elasticsearch cluster communicate, and how data are indexed, allocated, and replicated across nodes.What You Will Be...

Seeking a Principal Software Engineer for the Elasticsearch Distributed Systems team to enhance scale, performance, and resilience of cluster communication, data indexing, allocation, and replication.

About UsAt Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world's largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without...

Lead the engineering build-out of ML and agentic AI across AML/KYC and Fraud platforms, architecting MLOps and agent platforms, and developing new models and agent systems.

Cloudflare Browser Isolation team seeks a Senior Systems Engineer to design and implement complex initiatives, contribute to browser engine and distributed systems, and mentor engineers. Requires strong C++ and Linux/UNIX skills.

Seeking an experienced Akka Consultant for a remote UK project to optimize a distributed system for a technology company in the utilities sector. Responsibilities include performance analysis, bottleneck identification, code refactoring, and team mentoring.

We are looking for a Senior / Principal Akka Consultant for a short-term consulting project with a UK-based technology company in the utilities sector. The role focuses on performance analysis and optimization of a complex distributed system supporting electricity, gas, and water markets.The client’s systems handle tens of millions of metering points and...

Cloudflare in Lisbon is offering a Fall 2026 Research Engineer Intern position. The role combines engineering work, measurement, and collaboration with researchers (IETF/academia) to tackle open problems in systems and security. You will work in Lisbon in-office, contribute to ongoing directions, or propose ideas to improve Cloudflare technologies, with...