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Senior Software Engineer - Egress (Go/Rust)

CloudflareHybridEngineering
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Salary
€66K - €91K EUR
Job type
Full-time
Posted
22 Dec 2025
Status
Open · checked 7d ago

About this role

The Senior Software Engineer - Egress position at Cloudflare is a hybrid technical role focusing on cutting-edge network software infrastructure for global connectivity. This role suits an experienced engineer with a strong background in distributed systems who wants to solve massive scale challenges.

Role Overview

Cloudflare is hiring a Senior Software Engineer for the Egress team, which owns egress connectivity across a vast portfolio of products like WARP and iCloud Private Relay. Operating in a hybrid model across locations including Austin, Lisbon, and London, this role involves end-to-end management of complex network software. Engineers follow a Run What You Build model, handling system health, deployments, and participation in on-call rotations. Team members collaborate closely with network engineering, SRE, and other product groups to translate requirements into new platform capabilities.

Key Responsibilities

Make daily progress on assigned engineering tasks by designing systems, writing specifications, and pushing code via git.
Write release plans for complex software changes and manage production rollouts.
Participate in daily and ad-hoc team meetings to collaborate and share progress.
Take part in the team on-call schedule to guarantee the uptime of production systems.
Investigate and resolve customer issues escalated to the Egress team for triage.
Answer questions from other teams within the Egress team's internal public chat room.
Utilize AI-powered tools and systems in daily workflows to analyze codebases, introspect production systems, and accelerate problem-solving.

Requirements

Possess 8+ years of hands-on software engineering experience.
Demonstrate a track record of owning the architecture of complex, distributed, production-critical systems end to end.
Show technical leadership beyond personal code, such as driving RFCs and design reviews for senior engineers.
Have a solid grasp of networking protocols in Layers 3 and 4 of the OSI Model.
Possess knowledge of HTTP, TLS, and CDN networks.
Demonstrate experience implementing secure and highly-available distributed systems.
Exhibit strong ability to debug issues in complex systems along with robust collaboration and communication skills.
Programming experience in Go or Rust with a desire to improve skills in both.

Nice to Have

Knowledge of TCP/IP and Internet routing.
Professional systems-level programming experience in Rust.
Experience building tools and APIs.
Experience with monitoring, alerting, and debugging large-scale distributed systems.
Experience participating in an on-call rotation.
Experience using AI-assisted development tools in a professional setting.

Skills and Tools

Go
Rust
Linux networking
ClickHouse
PostgreSQL
Grafana
Kubernetes

Salary and Benefits

Estimated annual salary is between €66,000 and €91,000 for Portugal-based hires, inclusive of time exemption in alignment with local laws and collective bargaining agreements.
Eligibility to participate in Cloudflare’s equity plan.

About the Company

Cloudflare runs one of the world's largest networks powering millions of internet properties, protecting and accelerating applications without hardware or software installation. Recognized for its workplace culture and innovation, the company values curiosity, empathy, iteration, and leveraging AI to ship faster. Cloudflare also operates social impact initiatives like Project Galileo, the Athenian Project, and the privacy-focused 1.1.1.1 public DNS resolver.

How to Apply

Interested candidates should apply directly on the official Cloudflare careers page.

Skills and tech stack

KubernetesRust

Questions candidates ask

What locations are available for this hybrid role?

The available locations for this role are Austin (US), Lisbon (Portugal), and London (UK).

What programming languages are required for the Egress team?

Engineers need programming experience in Go or Rust and a desire to improve in both languages.

What is the expected salary range for Portugal-based hires?

The estimated annual salary for Portugal-based hires is between €66,000 and €91,000, which includes time exemption in alignment with local law.

How many years of experience are required?

Candidates must have 8+ years of hands-on software engineering experience, including owning the architecture of complex, distributed production systems.

Does the role include on-call responsibilities?

Yes, engineering teams operate a Run What You Build model, which includes participating in the team's on-call rotation to ensure production system uptime.

Ready to apply?

The application is on the official Cloudflare careers page.

Apply on company site