Senior Web Developer (Contractor)
OpenZeppelinUnited States
Posted May 21, 2026
Contract / Temporary
About the Company
OpenZeppelin is the security standard onchain finance is built on, accelerating the world's transition to an open financial system.
Job Description
OpenZeppelin is seeking a Senior Web Developer to lead a 6-month project to migrate their website from HubSpot CMS to Sanity + Next.js, replacing their current agency model with an in-house operating model powered by AI.
Requirements
- 5+ years of professional web development experience with strong frontend expertise (TypeScript, React, Next.js)
- Proven Sanity expertise, with experience building and shipping multiple production websites on Sanity
- Experience leading complex CMS migrations end-to-end, ideally from HubSpot, WordPress, or another monolithic CMS to a modern headless stack
- Strong understanding of technical SEO, Core Web Vitals, and modern web performance optimization
- Experience integrating HubSpot forms and tracking with a Next.js frontend
- Native or fluent English, with the ability to translate technical decisions into plain language
Benefits
- Company in-person gatherings in different locations around the world
- Fully remote work
- Flexible time off
- Paid parental leave
- One time work-from-home equipment stipend of up to $500 USD
- Medical insurance coverage
- Learning & Development opportunities
- Work with a global team in a fast-growing industry
