CMS Web Developer

About Mercor

Mercor is at the intersection of labor markets and AI research. We partner with leading AI labs and enterprises to provide the human intelligence essential to AI development.

Our vast talent network trains frontier AI models in the same way teachers teach students: by sharing knowledge, experience, and context that can’t be captured in code alone. Today, more than 30,000 experts in our network collectively earn over $2 million a day.

Mercor is creating a new category of work where expertise powers AI advancement. Achieving this requires an ambitious, fast‑paced and deeply committed team. You’ll work alongside researchers, operators, and AI companies at the forefront of shaping the systems that are redefining society.

Mercor is a profitable Series C company valued at $10 billion. We work in‑person five days a week in our new San Francisco headquarters.

As a Headless CMS Developer at Mercor, you'll own and evolve the content infrastructure powering  You'll work closely with design, product, marketing, and operations teams to build and maintain scalable, structured content experiences in Sanity CMS, ensuring content is fast to ship, easy to manage, and built to last. The majority of your work will live inside Sanity, from schema design to custom Studio configurations, with opportunities to contribute to the broader frontend when needed.

• Build, maintain, and extend Sanity CMS schemas, studio configurations, and content pipelines.

• Own technical SEO to optimize our site's architecture, performance and visibility.

• Manage web presence to drive growth, collaborating with marketing, product and design teams

• Develop and manage GROQ queries and Sanity APIs to surface content across the site.

• Write clean, maintainable Type Script/JavaScript and contribute to internal documentation.

• Participate in code reviews and collaborate cross‑functionally to deliver content features end‑to‑end.

• Contribute to frontend UI work as bandwidth allows.

• Strong proficiency in Sanity CMS — schema design, GROQ, Portable Text, and Studio customization.

• Deep knowledge of technical SEO; knowledge and curiosity about AEO

• Solid JavaScript/Type Script fundamentals.

• Understanding in A/B testing infrastructure setup and reporting capabilities.

• Experience integrating headless CMS platforms with modern frontend frameworks (Next.js preferred).

• Exposure to design systems or component‑driven development.

• Familiarity with APIs, data fetching patterns, and content modeling best practices.

• Ability to work independently in a fast‑moving environment with high ownership.

• Curiosity, grit, and a bias toward simple, scalable solutions.

• Strong communication skills — able to work with both technical and non‑technical stakeholders.

• Excited and curious about Mercor.

• Frontend engineering experience in React/Next.js and CSS.

• Experience at top‑tier tech companies or fast‑scaling startups.

• Contributions to open source or shipped side projects.

• Exposure to AI tools, LLM‑powered products, or projects in this space.

• Generous equity grant vested over 4 years

• A $20K relocation bonus (if moving to the Bay Area)

• A $10K housing bonus (if you live within 0.5 miles of our office)

• A $1.5K monthly stipend for meals

• 401k with matching

• Free Equinox membership

• Health, dental, and vision insurance