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Technical Web Lead

New York, NY; San Mateo, CA

About Us:

At Fireworks, we’re building the future of generative AI infrastructure. Our platform delivers the highest-quality models with the fastest and most scalable inference in the industry. We’ve been independently benchmarked as the leader in LLM inference speed and are driving cutting-edge innovation through projects like our own function calling and multimodal models. Fireworks is a Series C company valued at $4 billion and backed by top investors including Benchmark, Sequoia, Lightspeed, Index, and Evantic. We’re an ambitious, collaborative team of builders, founded by veterans of Meta PyTorch and Google Vertex AI.

About the Role

This is a founding role. You will be the first engineering hire on the marketing team at Fireworks AI: the person who owns the web platform end-to-end, and who brings the technical credibility to everything marketing builds online.

The immediate priority is a significant web refresh. We already have an established platform: a Next.js monorepo (Turborepo + Yarn workspaces) with Sanity as our content source of truth, deployed on Vercel with ISR. The goal is to improve, scale, and mature that platform rather than rebuild it. You will work alongside a strong agency partner who brings deep technical and strategic expertise — rather than being heads-down in execution, your focus will be on technical leadership, platform direction, and ensuring the work meets a high bar.

This is a senior IC role. You will be embedded with the marketing team, partnering closely with Marketing Operations, Digital, and Growth, and working cross-functionally with product and engineering. You are directly accountable for the quality and performance of our web presence as the company scales at pace.

What You’ll Do

  • Own the architecture and health of the Fireworks marketing web platform: a Next.js 15 monorepo with shared component libraries, Sanity Studio, and Vercel hosting.
  • Evolve and scale the existing Sanity content architecture, improving content modelling, GROQ queries, and dataset structure to give marketing, digital, and growth teams greater independence.
  • Lead the technical execution of the web refresh, setting direction, defining milestones, and keeping the project on track without a dedicated PM.
  • Work alongside the agency partner on technical strategy and delivery, reviewing output, translating briefs, and holding work to a high standard.
  • Manage Vercel deployment workflows, ISR revalidation, preview environments, and third-party integrations including Mux, HubSpot, and GitHub Actions pipelines.
  • Drive performance best practices across Core Web Vitals, Lighthouse, caching, accessibility (WCAG), and SEO.
  • Partner with Marketing Operations on martech integrations and tooling, and collaborate with Digital and Growth on experimentation, landing pages, and analytics.
  • Communicate progress, decisions, and trade-offs clearly to non-technical stakeholders and leadership.

The Stack

  • Next.js 15 (React) with TypeScript, monorepo via Turborepo + Yarn workspaces Framework:
  • Sanity Studio v3, GROQ queries via groqd, production and staging datasets CMS:
  • Vercel with ISR and on-demand revalidation Hosting & Deployment:
  • Mux Video:
  • HubSpot CRM / Forms:
  • GitHub Actions Pipelines:
  • external agency Execution partner:

What We’re Looking For

Required

  • 6-8+ years of professional experience in full-stack or frontend-heavy web development.
  • 4+ years of production experience with React and Next.js, including SSR, SSG, app router, and performance optimisation.
  • Strong fluency in TypeScript and modern JavaScript (ES6+).
  • Deep experience with Sanity or a comparable headless CMS, including content modelling, GROQ, structured data, and composable architecture.
  • Proficiency with Vercel: deployments, ISR, edge functions, preview environments, and environment management.
  • Solid grasp of Core Web Vitals, Lighthouse performance auditing, and frontend performance tuning.
  • Familiarity with CI/CD pipelines and GitHub Actions.
  • Experience managing third-party integrations (video hosting, CRM, marketing tooling).
  • Proven ability to manage an external agency or vendor: directing, reviewing, and holding partners accountable.
  • Strong project management instincts: you can own delivery end-to-end without a dedicated PM.
  • Clear, direct communicator, equally comfortable writing a technical spec and presenting trade-offs to marketing leadership.
  • Comfortable operating autonomously in a small, fast-moving environment where priorities shift and pace is relentless.

Nice to Have

  • Experience improving and scaling an existing web platform, ideally on a headless CMS and Jamstack stack.
  • Familiarity with marketing analytics platforms: GA4, Segment, PostHog, Adobe Analytics, or similar.
  • Hands-on experience with HubSpot integrations or similar CRM/marketing automation tooling.
  • Experience with automated testing frameworks (Jest, Cypress, Playwright).
  • Familiarity with monorepo tooling such as Turborepo or Nx.
  • Familiarity with AI or developer-tooling products (bonus for Fireworks-adjacent domain knowledge).
  • Experience in a founding or first-in-function role at a startup or scale-up.

Who Thrives Here

You are energised by ownership, not overwhelmed by it. You are comfortable being the only engineer in the room, confident making calls, and able to clearly articulate why. You bridge technical depth with business outcomes and you know how to design systems that unlock collaboration between content, design, and development. You care about craft but know when to move fast.

Total compensation for this role also includes meaningful equity in a fast-growing startup, along with a competitive salary and comprehensive benefits package. Base salary is determined by a range of factors including individual qualifications, experience, skills, interview performance, market data, and work location. The listed salary range is intended as a guideline and may be adjusted.

Base Pay Range (Plus Equity)

$200,000 - $230,000 USD

Why Fireworks AI?

  • Solve Hard Problems: Tackle challenges at the forefront of AI infrastructure, from low-latency inference to scalable model serving.
  • Build What’s Next: Work with bleeding-edge technology that impacts how businesses and developers harness AI globally.
  • Ownership & Impact: Join a fast-growing, passionate team where your work directly shapes the future of AI—no bureaucracy, just results.
  • Learn from the Best: Collaborate with world-class engineers and AI researchers who thrive on curiosity and innovation.

Fireworks AI is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all innovators.

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