[Remote] Senior Software Engineer - Frontend/React (USA Only - 100% Remote)

Note: The job is a remote job and is open to candidates in USA. Close is a CRM company that has been operating since 2013, focused on enhancing sales through communication-first software. The Senior Software Engineer will be responsible for building and improving the frontend of their application using React, collaborating closely with product teams to ensure a seamless user experience.ResponsibilitiesBuild the UI that puts AI in the hands of Close customersOwn the UI for one of the most real-time, high-stakes surfaces in Close: callsBuild the core surfaces that salespeople and agents both depend on: lead pages, pipeline views, smart search, activity feedsOwn the surfaces that turn someone who just signed up into a paying customer who sticks aroundSkillsA seasoned frontend engineerReact is our bread and butter, but perhaps you've worked across Vue, Svelte, or SolidYou've seen a variety of problems, can collaborate and self-directBuilding AI-powered interfacesYou've shipped LLM-backed features for real users and have a POV on where they're trustworthy, where they fall over, and how to make them feel reliable when customers bet their workflow on the outputYou know how to design for streamed responses, uncertain states, and agent-driven UIsWorking with AI dailyYou use AI tools in your own workflow to ship faster, write tighter code, and reason about unfamiliar parts of the codebaseWe fund the use of AI tools (Claude Code, Codex, and other best-in-class developer tools) and treat learning and experimentation as part of the workA builder firstYou'd rather get the first iteration of a feature in front of fifty customers than spend three weeks fretting over a perfect PRYou shipOpinionated about UI craft and component designYou've built reusable systems that other engineers loved using, and you think about who's on the other end — sales reps in the middle of a call, power users who live in the keyboard, and customers who just need it to workBattle-testedYou've debugged performance regressions in production, owned a component library everyone else relied on, or shipped a high-stakes release where the UX had to be right under real customer pressureBenefitsCompetitive pay plus an organization-wide goal-based bonus~5 weeks of PTO to start. Plus a 1-week all-company Winter Holiday Break and paid US holidays. You'll earn 2 extra days for every year you're with Close.80% Work Option: Work with your manager to choose between a standard 5-day week or a 4-day week at 80% payPaid leave for primary and secondary caregiversA 1-month paid sabbatical every 5 years with the teamHealthcare (US residents): Two medical plans with Close covering 99% of your premium, plus Dental, Vision, HSA, FSA, and company-paid Long-Term Disability401k (US residents): We match your contributions up to 6%, vested immediatelyCompany OverviewA CRM for startups and small businesses with built-in sales communication tools. It was founded in 2011, and is headquartered in Palo Alto, California, USA, with a workforce of 51-200 employees. Its website is https://www.close.com.