Systems Engineer, Growth Engineering

Cloudflare

Systems Engineer building front-end and full-stack growth experiences for Cloudflare’s global Internet network. Delivering A/B experiments, scalable features, and performance improvements.

Posted 9/3/2026full-timeAustin • Texas • 🇺🇸 United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Proficient in delivering customer-facing UI experiences and A/B experiments, with a strong foundation in TypeScript, JavaScript, and modern web technologies. Capable of architecting scalable front-end solutions and enhancing application performance while collaborating with cross-functional teams to ensure compliance with trust and safety principles.

Highest-signal resume keywords

TypeScript/JavaScript ProficiencyA/B Experimentation ExperienceSystem Design ExpertiseHigh-Scale Serverless Systems ExperienceRESTful API Design

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

TypeScriptJavaScriptHTMLCSSSystem DesignA/B TestingRESTful APIsCloudflare WorkersAWS LambdaAzure Functions

Tools & Technologies

Google AnalyticsAdobe AnalyticsFeature FlagsTelemetry

Industry Keywords

User AcquisitionUser EngagementUser RetentionTrust and Safety PrinciplesDeveloper Productivity

Tech Stack

Tools & technologies

AWSAzureGoJavaScriptPythonRustTypeScript

About the role

Key responsibilities & impact

Deliver customer-facing UI experiences and A/B experiments to accelerate user acquisition, engagement, and retention
Architect scalable front-end solutions and build features end-to-end across front-end, back-end, IaC, system design, debugging, and testing
Partner with product, design, and data/analytics teams to define outcome measurements and experimental frameworks
Track behavior attribution and shape product roadmaps
Enhance application performance, code quality, security, and developer productivity across core properties
Work with cross-functional teams to ensure product experiences comply with trust and safety principles

Requirements

What you’ll need

Experienced, product-minded front-end or full-stack engineer
Proficiency in TypeScript/JavaScript for building reusable SDKs and UI components
Strong knowledge of HTML, CSS, and modern JavaScript ecosystems
Experience building with high-scale serverless systems such as Cloudflare Workers, AWS Lambda, or Azure Functions
Experience designing interfaces for business KPIs such as onboarding and adoption
Experience running A/B experiments
Experience using feature flags/gating and leveraging telemetry
Strong foundation in system design
Experience working with or designing RESTful APIs
Background in building tools/frameworks to boost developer productivity
Experience using modern AI/LLM augmented workflows
Familiarity with Go, Rust, or Python is a bonus
Prior Cloudflare user experience or hands-on dogfooding Cloudflare products is a bonus
Experience with Google Analytics or Adobe Analytics is a bonus
Must be authorized to receive software or technology controlled under U.S. export laws without sponsorship for an export license, if applicable

Benefits

Comp & perks

In-person interview attendance at a Cloudflare office or hub may be provided/required at the offer stage