Systems Engineer, Growth Engineering

About the role

Cloudflare powers a large portion of the internet through its intelligent global network and rapidly growing developer platform. In this role within the Emerging Technologies & Incubation (ETI) department and Product Growth team, you will join a top-notch engineering team focused on building large-scale, high-performance applications and delightful user experiences.

As an experienced, product-minded front-end or full-stack engineer, you will bridge product engineering and growth to translate product vision into polished code that directly impacts key business metrics and evolves our self-service properties.

Responsibilities

• Experimentation & Growth: Deliver customer-facing UI experiences and A/B experiments aimed at accelerating user acquisition, engagement, and retention through data-informed hypotheses.
• Full-Stack Execution: 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).
• Cross-Functional Collaboration: Partner with product, design, and data/analytics teams to define outcome measurements, establish experimental frameworks, track behavior attribution, and shape product roadmaps.
• Performance & Productivity: Enhance application performance, code quality, security, and developer productivity across core properties.
• Trust & Safety Compliance: Work with cross-functional teams to ensure all product experiences comply with trust and safety principles.

Desirable Skills, Knowledge & Experience

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

Bonus Points

• 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.