Full Stack Engineer

Phonely
San Francisco
Workplace: OnsiteFull timeUSD 160,000 - 210,000 annuallyFunction: Software EngineeringExperience: 5+ yearsSkills: ["React","Next.js","TypeScript","Python","Microservices","Async","Cloud","CI/CD","AWS","GCP","Kubernetes","Redis","Datadog","LLM orchestration","SIP"]

Senior Full Stack Engineer responsible for building high-performance web applications with React/Next.js across frontend and backend, integrating APIs, and shaping product direction in a fast-paced, in-office San Francisco environment. You’ll own UI/UX quality, optimize performance, collaborate with cross-functional teams, and contribute to system design while shipping features used by 1M+ businesses.

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FursaFursa
Phonely
Phonely
4 months ago

Full Stack Engineer

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI
Last checked: 4 hours agoStatus: Live

Job Summary

Senior Full Stack Engineer responsible for building high-performance web applications with React/Next.js across frontend and backend, integrating APIs, and shaping product direction in a fast-paced, in-office San Francisco environment. You’ll own UI/UX quality, optimize performance, collaborate with cross-functional teams, and contribute to system design while shipping features used by 1M+ businesses.
Location: San Francisco
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Sr. Manager level

Key Responsibilities

  • •Build and maintain high-performance, responsive web applications using React and Next.js across the full stack.
  • •Design and implement end-to-end features spanning frontend and backend systems and integrate APIs in real-time workflows.
  • •Collaborate with backend engineers to ensure seamless API integration and scalable architectures.
  • •Own UI/UX quality and deliver fast, intuitive, and reliable user experiences across complex apps.
  • •Contribute to system design, architecture decisions, and product direction.

Pay and Benefits

Salary: USD 160,000 - 210,000 annually
Equity and Bonus:Equity

Key Requirements

  • •5+ years of experience building production applications.
  • •Strong experience with React and Next.js.
  • •Experience building full-stack applications (API design, backend integration).
  • •Solid understanding of TypeScript, modern frontend tooling, and state management.
  • •Experience with cloud environments, CI/CD, and modern deployment workflows
Experience:5+ yearsSaaSAIVoice AIWeb applications
Skills:ReactNext.jsTypeScriptPythonMicroservicesAsyncCloudCI/CDAWSGCPKubernetesRedisDatadogLLM orchestrationSIP
Languages:English
Tech Stack:ReactNext.jsTypeScriptPythonAWSGCPKubernetesRedisFirebaseSupabase

Eligibility

Visa:US citizen/visa only
Work Authorization:Authorization required. Sponsorship not provided.

Company Brief

Phonely
Develops AI-driven voice agents that automate phone conversations for businesses, handling customer support, lead qualification, and sales outreach. Their platform uses natural language understanding and speech synthesis to conduct human-like calls and integrate with CRM systems.
Industry: AI & Machine Learning
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