[Remote] Software Engineer - Support (USA Only - 100% Remote)

Note: The job is a remote job and is open to candidates in USA. Close is a CRM company focused on helping teams sell more effectively. They are seeking a Software Engineer to build tools and AI systems for their Support team, enhancing customer satisfaction and operational efficiency.ResponsibilitiesBuild internal tools that scale Support. Design and ship the systems that Support Engineers and Support Reps rely on daily — AI drafting tools, autonomous reply systems, workflow automation, reporting dashboards, and anything else that removes friction from the support operationOwn projects end to end. You're the engineer who takes "this part of the workflow is painful" to "this part of the workflow doesn't exist anymore." No PM intermediary, no thrown-over-the-wall requirements. You work closely with the Support team to understand what to build, then you build itShip customer-facing tools when they take work off the queue. You’ll build self-service migration scripts and diagnostic tools customers can run themselves instead of opening a ticketCollaborate closely with Support. Reps and Engineers are your primary users and your best source of requirements. You're embedded enough that you see what's actually broken before anyone files a ticketImprove the systems underneath the work. Better abstractions, more reliable integrations across Close, Stripe, Twilio, and the rest of the stack. What you build today becomes infrastructure the team builds on tomorrowExperiment and ship. The team has real latitude to try new approaches. If there's a better way to do something, you're encouraged to prototype it, measure it, and ship it!Skills3+ years of Software Engineering experienceAbility to write clean, production-quality codeDegree or rigorous experience in Computer Science, Mathematics, Physics, Electrical or Mechanical EngineeringFluent in Python, Rust, Go, or Typescript/JavascriptExperience building information retrieval systems using semantic search / RAGAbility to think about upstream and downstream consequences before committing to a solutionFluent in AI tools like Claude, Codex, Pi, with understanding of code debuggingStrong written communication skills for technical specs, PRs, and Slack messagesComfortable with autonomy in managing work and prioritiesLocated in US time zones (ET, CT, MT, or PT)BenefitsCompetitive 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.Paid leave for primary and secondary caregiversA 1-month paid sabbatical every 5 years with the teamTwo medical plans with Close covering 99% of your premium, plus Dental, Vision, HSA, FSA, and company-paid Long-Term DisabilityWe 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.