Senior Software Engineer

Company: Cervin
Location: New York
Posted on: May 3, 2025

Job Description:

About Type and the Role is an AI-native document editor. Our mission is to help people communicate confidently.We believe that writing is and will always be the backbone of clear thinking and effective communication, especially in the AI era.Tools like Type free writers up to do more high-level thinking - exploring more ideas before coming to a conclusion, testing lots of approaches to expressing a message, and arguing with the AI about the oxford comma.We're backed by Y Combinator and have thousands of customers who love our product.We're looking for a product-minded senior software engineer to join our small, formidable team in Brooklyn. Our ideal candidate is high-ownership, low ego, obsessed with their craft, and excited to work at a startup.If this resonates with you, please apply.What you'll doHere's a sample of some things you might work on:

• Building advanced rich text editing features
• Working on sync and offline first features using data structures such as CRDTs
• Building multiplayer features for collaborative editing
• Building LLM-based writing and editing features that span all levels in the stack
• Prototyping experimental AI writing and editing workflowsWhat we're looking for in you
  • 4+ years of software engineering with focus on complex web applications
  • Proven experience building interaction-heavy applications like editors
  • Strong product intuition for identifying friction points and solving real user problems
  • Obsessive attention to detail and appreciation for the subtle UX elements that make editors feel natural
  • Ability to contribute to product strategy, not just implementation
  • A belief that customer problems come first in all product decisions
  • Strong foundational skills in Computer Science
  • A track record of shipping complex products with excellent user experiences
  • Low ego, high ownershipTechnical SkillsWe value curiosity and adaptability in our engineers. Your specific technical background should include:Must Have:
    • Strong JavaScript expertise - Deep experience with React and TypeScript for complex applications
    • Full-stack capabilities - Ability to design scalable systems and build production-ready servicesNice to Have:
      • Rich text editing - Familiarity with frameworks like Slate.js or ProseMirror
      • Collaborative editing - Experience with CRDTs or similar real-time synchronization technologies
      • Offline-first design - Knowledge of IndexedDB, service workers, and efficient sync protocols
      • Large language models - Experience building production applications with LLMs
      • Backend technologies - Experience with Node.js/Express and MongoDBBenefits
        • Competitive salary
        • Generous stock package
        • 100% employer-covered medical, dental, and vision for you and any dependents
        • Dedicated workspace at our HQ in Williamsburg, BrooklynWe actively encourage people of all backgrounds - particularly those from underrepresented groups - to apply. We believe a diverse set of perspectives and lived experiences strengthen our team and product, and we're committed to building an inclusive work environment.
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Keywords: Cervin, Westport , Senior Software Engineer, IT / Software / Systems , New York, Connecticut