Systems Engineer (Growth Engineering)

Cloudflare, a leading internet security and performance company, as a Systems Engineer in the Emerging Technologies & Incubation department. In this role, you will bridge product engineering and growth, delivering customer-facing UI experiences and A/B experiments to accelerate user acquisition, engagement, and retention. You will architect scalable front-end solutions, collaborate with cross-functional teams, enhance application performance, and ensure compliance with trust and safety principles. Enjoy competitive pay, flexible vacation, paid parental leave, comprehensive benefits, and a supportive work environment.

Responsibilities

• Deliver customer-facing UI experiences and A/B experiments aimed at accelerating user acquisition, engagement, and retention through data-informed hypotheses.
• Architect scalable front-end solutions and build features end-to-end across the product lifecycle (front-end, back-end, IaC, system design, debugging, and testing).
• Partner with product, design, and data/analytics teams to define outcome measurements, establish experimental frameworks, track behavior attribution, and shape product roadmaps.

Requirements

• System Design & APIs: Strong foundation in system design—balancing engineering excellence with visual aesthetics—and experience working with or designing RESTful APIs
• Serverless Architecture: Experience building with high-scale serverless systems (e.g., Cloudflare Workers, AWS Lambda, Azure Functions)
• Development Workflows: Background in building tools/frameworks to boost developer productivity, experience using modern AI/LLM augmented workflows, and a desire to thrive in a fast-paced environment
• Core Languages & Frameworks: Proficiency in TypeScript/JavaScript for building reusable SDKs and UI components, alongside strong knowledge of HTML, CSS, and modern JavaScript ecosystems
• Growth & Analytics: Experience designing interfaces for business KPIs (onboarding, adoption), running A/B experiments, using feature flags/gating, and leveraging telemetry

Preferred

• Familiarity with additional programming languages such as Go, Rust, or Python
• Prior experience as a Cloudflare user or hands-on experience dog-fooding Cloudflare products (e.g., Cloudflare Workers, Access, Zaraz, or cache configuration)
• Experience with commercial analytics platforms like Google Analytics or Adobe Analytics