Field CTO – Performance, e-commerce
Fastly
full-time
Posted on:
Location Type: Hybrid
Location: San Francisco • California • United States
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Salary
💰 $351,348 - $421,618 per year
About the role
- Partner in Pre-Sales and Deal Acceleration
- Collaborate with Account Executives to understand customer business drivers, technical challenges, and success criteria.
- Define and deliver technical solutions that demonstrate Fastly’s unique capabilities, helping customers visualize the “art of the possible.”
- Build confidence in Fastly’s platform by leading architectural discussions, running proof-of-concepts, and addressing objections that could slow or block deal progression.
- Quantify the impact of Fastly’s solutions using data and performance insights to show clear ROI and business value in proposals and executive meetings.
- Contribute to RFPs and technical responses that directly support sales opportunities.
- Design and deliver end-to-end web performance improvements using Fastly’s CDN, Compute@Edge, advanced caching, image optimization, and modern web protocols.
- Assess customer architectures with RUM/synthetic tooling, identifying bottlenecks and defining a data-driven improvement plan.
- Lead proof-of-concepts and migrations of critical workloads onto the Fastly platform.
- Act as a consultant to translate technical performance metrics into tangible business outcomes, demonstrating how faster page loads or optimized checkout flows directly impact conversion rates, cart abandonment, and customer lifetime value.
- Collaborate with customer engineering, product, and leadership teams to ensure performance is a key consideration throughout the development lifecycle and is aligned with their commercial objectives.
- Solve performance challenges unique to high-traffic ecommerce and marketplace environments, such as large product catalogs, third-party payment provider delays, dynamic content variability, and the need for personalized experiences at scale.
- Provide expert guidance and mentorship to customer engineering teams on web performance best practices, helping them build a culture where performance is a shared responsibility.
- Stay current with the evolution of the web platform—including browsers, protocols, and metrics like Core Web Vitals—and feed that knowledge back into Fastly's product roadmap.
- Act as a public voice and thought leader in the web performance and ecommerce communities.
- Speak at industry-related conferences, share expertise through blog posts, and participate in community forums to build both your personal brand and Fastly's reputation as a leader in the field.
- Define and monitor performance budgets and SLAs to ensure a consistently fast experience for all users.
- Contribute to troubleshooting performance-related incidents and participate in post-mortems to build more resilient, antifragile systems for our customers.
Requirements
- 15+ years of experience in web performance engineering, systems architecture, or frontend/backend optimization, with hands-on experience on large-scale, high-traffic ecommerce websites or marketplaces.
- Deep expertise in web performance metrics (Core Web Vitals, TTFB, rendering paths) and diagnostic tooling.
- Expertise in CDN configurations, VCL or edge compute logic, dynamic and static caching strategies, cache invalidation, and offloading. Familiarity with serverless and edge compute architectures is highly desired.
- Strong background in caching strategies, image delivery, modern protocols (HTTP/2, HTTP/3), and TLS optimization.
- Proven ability to connect technical improvements to business KPIs (conversion, revenue, retention).
- Consulting mindset with excellent communication and storytelling skills for both technical and executive audiences
Benefits
- medical, dental, and vision insurance
- Family planning
- mental health support with Employee Assistance Program
- Insurance (Life, Disability, and Accident)
- Flexible Vacation policy
- up to 18 days of accrued paid sick leave
- 401(k) (including company match)
- Employee Stock Purchase Program
- 10 paid local holidays
- 11 paid company wellness days
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
web performance engineeringsystems architecturefrontend optimizationbackend optimizationCDN configurationscaching strategiesimage deliveryHTTP/2HTTP/3TLS optimization
Soft Skills
consulting mindsetcommunication skillsstorytelling skillscollaborationmentorshipleadershipproblem-solvingdata-driven decision makingcustomer engagementpublic speaking