Senior Developer, Front End

As a Frontend/Full-stack Engineer at Sweetspot, you will join a team dedicated to pushing the boundaries of LLM usage over disparate and unstructured data sources across United States federal and state governments. You will play a critical role in building and integrating data pipelines that feed directly into a framework built for the aforementioned. More broadly, you will join a team that is highly focused on building a product that bolsters the American economy and provides every business, regardless of size, the tools they need to secure government opportunities.Please note that this is role is only open to US citizens.Things you should know about us• We work extensively with industry experts to build software that is useful for our clients. This means frequent customer calls and a constant level of iteration.• Talent density is far more important than team size. We want to hire the absolute best, and are willing to wait to find the right person.• If you're early in your career and/or don't come from a "prestigious" background, don't be afraid to apply - we all went to a state school and don't place a large emphasis on prestige.• We value engineers who can work across the stack. While this role is primarily frontend, you'll have opportunities to contribute to our Python backend.• Our office is in Newport/Jersey City.What you'll do• Design and implement performant, real-time chat interfaces• Build and maintain complex document editors using ProseMirror/Tiptap, including custom extensions and collaborative features• Architect state management solutions using Zustand to handle complex application state and real-time updates• Implement efficient data fetching and caching strategies using React Query to optimize application performance• Create accessible, responsive UIs using Radix primitives while maintaining a consistent design system• Optimize rendering performance for large datasets and real-time updates• Write clean, maintainable TypeScript code• Contribute to backend feature development using FastAPI and SQLAlchemy when neededRequirements• Strong proficiency in TypeScript and modern React• Experience with Next.js, including both client and server-side rendering strategies• Solid understanding of state management patterns and experience with Zustand or similar libraries• Proficiency with React Query or similar data fetching libraries• Experience building accessible UIs using TailwindCSS and component libraries like Radix• Strong knowledge of browser performance optimization techniques• Experience with Git and modern frontend build tools• Excellent problem-solving skills and attention to detail• Familiarity with Python and SQL best practices• Strong communication skills and ability to work effectively in a team• US citizenPreferred qualifications• Experience with ProseMirror and/or Tiptap, especially building custom extensions• Track record of building performant real-time LLM-based chat applications• Experience with WebSocket integration in React applications• Knowledge of collaborative editing algorithms and operational transformation• Experience with SSR optimization in Next.js• Experience with monitoring and debugging frontend performance issues• Experience with Python, particularly with FastAPI and SQLAlchemy• Understanding of PostgreSQL and database design principlesWe offer a competitive salary, comprehensive benefits package, and opportunities for growth and development within a fast-paced and innovative company.If you're passionate about building sophisticated frontend applications, have deep expertise in modern React ecosystems, and are interested in contributing to the growth of the American economy, we would love to hear from you. Sweetspot Chat, Inc. is an equal opportunity employer and values diversity in the workplace. We encourage all qualified applicants to apply.