Senior Systems Engineer - Scale, Security & Unlimited Leave

Cloudflare; Paris; Hybrid; EUR 58,000 - 80,000; Full time

Benefits offered by this job

Unlimited leave

Equity program

Medical insurance

Dental insurance

Mental health support

Pension plan

Life insurance

Job summary

Cloudflare seeks an experienced software developer for its Application Security team in Paris. You will design systems, write code, and review RFCs and specs to advance secure software at internet scale.

The role emphasizes Go or Rust, distributed systems, and devops tooling. You’ll own on-call responsibilities, collaborate with product managers, and help cultivate security-focused practices across the team.

A strong Linux background and curiosity about cybersecurity are valued.

Qualifications

• You must have at least 5 years of professional experience working hands-on as a software developer.
• You must be proficient with at least one of Go or Rust, plus exposure to devops tooling like Kubernetes, Salt, Kafka or Systemd.
• Strong Linux/Unix fundamentals are required.
• You must have experience working with distributed systems at scale.
• Experience with cyber security is preferred but not essential.

Responsibilities

• Design systems and write code following bleeding edge industry best practices and help others on the team do the same.
• Deploy and maintain live software-based services at scale and participate in on-call rotations.
• Support and grow other engineers through knowledge sharing.
• Keep up to date with security risks and impact on Cloudflare’s products.
• Collaborate with engineers and product managers to communicate roadmap and priorities.

Skills

Go

Rust

Distributed systems

Linux

Tools

Kubernetes

Salt

Kafka

Systemd

Job description

Cloudflare seeks an experienced software developer for its Application Security team in Paris. You will design systems, write code, and review RFCs and specs to advance secure software at internet scale.

The role emphasizes Go or Rust, distributed systems, and devops tooling. You’ll own on-call responsibilities, collaborate with product managers, and help cultivate security-focused practices across the team.

A strong Linux background and curiosity about cybersecurity are valued.