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

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United States
Workplace: RemoteFull timeUSD 140,000 - 210,000 annuallyFunction: Software EngineeringSkills: ["Communication","Teamwork","Problem-solving"]

Frontend-focused role building modern single-page applications in React with TypeScript, working across teams to design and launch user-facing features. You’ll improve performance, collaborate on REST/GraphQL APIs, and leverage real-time technologies (WebSockets/WebRTC) to enhance calling/SMS and analytics capabilities for a 100% remote USA-based team.

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7 months ago

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

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 8 hours agoStatus: Live

Job Summary

Frontend-focused role building modern single-page applications in React with TypeScript, working across teams to design and launch user-facing features. You’ll improve performance, collaborate on REST/GraphQL APIs, and leverage real-time technologies (WebSockets/WebRTC) to enhance calling/SMS and analytics capabilities for a 100% remote USA-based team.
Location: United States
Workplace: Remote
Employment Type: Full time · Permanent
Job Function: Software Engineering

Key Responsibilities

  • •Conceiving, designing, building, and launching new user-facing features.
  • •Implementing new AI features to turbocharge our customers’ daily tasks.
  • •Working with Twilio's API, WebSockets, and WebRTC to improve calling and SMS features.
  • •Building user-facing analytics features that provide actionable insights based on sales activity data.
  • •Enhancing our web app with real-time updates powered by GraphQL Subscriptions

Pay and Benefits

Salary: USD 140,000 - 210,000 annually
Perks:Health Insurance401kRemote WorkPaid LeaveAnnual Bonus

Key Requirements

  • •5+ years of experience building modern frontend SPAs in JavaScript, HTML, and CSS; at least 3 years with React
Experience:FrontendReactSingle-page applications
Skills:CommunicationTeamworkProblem-solving
Languages:English
Tech Stack:JavaScriptTypeScriptReactRESTGraphQLWebSocketsWebRTCHTMLCSSJSONAPI

Company Brief

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Close builds a no‑BS CRM and sales platform combining built-in calling, email sync, automation, reporting and coaching to help small businesses and startups accelerate revenue and manage pipelines more efficiently.
Industry: Enterprise Software
Company Size: Medium (51 to 250 employees)
Growth: Growth Stage Startup
Funding: Seed
Headquarters: San Francisco, United States
Founded: 2013
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