New The Skills of Tomorrow: how AI-exposed is every skill in 2026? See the data →
Cloudflare

Senior Software Engineer - Addressing Team

Cloudflare
Apply →
hybrid senior full-time

First indexed 2 Sept 2026

Description

We are seeking a talented Senior Software Engineer to join our Addressing Team at Cloudflare. As a Senior Software Engineer, you will work on a range of microservices written mainly in Go, designing and developing new APIs and data models to manage our rapidly expanding addressing needs.

The Addressing team works closely with our system reliability engineers, network engineers, and product engineering teams to build automated systems that span the entire Cloudflare stack. Recent projects range from IP conservation efforts, supporting use cases for Policy-driven IP address assignment, designing traffic engineering tools that improve the quality of service for billions of users around the world, and building customer APIs to control BGP dynamically.

Some of the technologies we use include Go, PostgreSQL, Docker, Kafka, Lua, Clickhouse, SaltStack, Prometheus, and Unix/Linux tools and workflows. You will have the opportunity to take on very impactful projects critical for Cloudflare, and work closely with other engineers to understand their needs and create scalable platforms to be used across the company.

Examples of desirable skills, knowledge, and experience:

  • Naturally curious and willing to take a step to learn something you don't have experience in
  • Lead and shape our products, tools, and system designs from the ground up
  • Experience writing high-quality code in one or more system programming languages (Go, Python, C/C++)
  • Experience with modern Unix/Linux development and runtime environments
  • Solid understanding of TCP/IP and basic networking in general
  • Basic understanding of the HTTP/S/TLS stack
  • Working knowledge of SQL and relational databases such as PostgreSQL or MySQL
  • Experience building and operating distributed systems
  • Excellent debugging skills and attention to detail when breaking down problems

Bonus Points:

  • Experience working with Go
  • Experience working with Rust
  • Familiarity with UI design, workflows, and implementation
  • Familiarity with anycast or multi-site unicast networks
  • Knowledge of DNS and DNS-based traffic management techniques (e.g., geo DNS)

Cloudflare is proud to be an equal opportunity employer, committed to providing equal employment opportunity for all people and placing great value in both diversity and inclusiveness.

This listing is enriched and indexed by YubHub. To apply, use the employer's original posting: https://job-boards.greenhouse.io/cloudflare/jobs/8164694