Senior Frontend Software Engineer (AI Receptionist)

Cresta
Alberta, British Columbia, Ontario
Workplace: RemoteFull timeFunction: Software EngineeringExperience: 5+ yearsSkills: ["Communication","Collaboration","Technical leadership","Problem-solving","Mentorship"]

Build the web applications that power an AI Receptionist experience for enterprise customers. Partner with Product, Design, AI/ML, and Platform teams to deliver new capabilities for configuring AI agents, managing deployments, monitoring live conversations, and analyzing performance. Design and ship responsive, interactive UIs with React and TypeScript, integrate with backend services via APIs and real-time streaming, and improve frontend architecture, testing, CI/CD, and observability.

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FursaFursa
Cresta
Cresta
1 month ago

Senior Frontend Software Engineer (AI Receptionist)

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI
Last checked: 19 hours agoStatus: Live

Job Summary

Build the web applications that power an AI Receptionist experience for enterprise customers. Partner with Product, Design, AI/ML, and Platform teams to deliver new capabilities for configuring AI agents, managing deployments, monitoring live conversations, and analyzing performance. Design and ship responsive, interactive UIs with React and TypeScript, integrate with backend services via APIs and real-time streaming, and improve frontend architecture, testing, CI/CD, and observability.
Location: Alberta, British Columbia, Ontario
Workplace: Remote
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Partner with Product Managers, Designers, and Engineers to define and deliver new AI Receptionist capabilities.
  • •Design and build modern, responsive, highly interactive web applications using React and TypeScript.
  • •Create intuitive UX for configuring conversational AI, managing knowledge sources, testing AI behavior, and deploying voice agents.
  • •Build reusable UI components and frontend infrastructure to improve consistency, scalability, and engineering velocity.
  • •Integrate frontend apps with backend services using REST APIs, WebSockets, and real-time streaming; optimize performance and reliability and mentor engineers.

Pay and Benefits

Equity and Bonus:Equity
Perks:Health InsuranceDentalVisionParental LeaveRemote WorkPaid Leave

Key Requirements

  • •5+ years of professional software engineering experience with a strong focus on frontend development.
  • •Expertise in modern frontend technologies including React, TypeScript, JavaScript, HTML, and CSS.
  • •Experience building complex, production-scale web applications with strong user experiences.
  • •Strong understanding of frontend architecture, component design, state management, and modern build systems.
  • •Experience integrating with backend services using REST APIs, GraphQL, WebSockets, or streaming protocols.
Experience:5+ yearsConversational AIVoice automationContact center softwareLLM-powered applicationsReal-time communication
Skills:CommunicationCollaborationTechnical leadershipProblem-solvingMentorship
Languages:English
Tech Stack:ReactTypeScriptJavaScriptHTMLCSSREST APIsGraphQLWebSocketsStreaming protocolsViteWebpackNode.jsCI/CDObservabilityMonitoringAutomationLLMsAI agent platformsReal-time streaming

Company Brief

Cresta
Builds AI-driven real-time coaching and assistance for customer-facing teams, using conversational intelligence to improve agent performance, automate workflows, and boost customer outcomes across contact centers and sales operations.
Industry: SaaS
Company Size: Medium (51 to 250 employees)
Growth: Growth Stage Startup
Headquarters: San Francisco, United States
Founded: 2017
WebsiteLinkedIn