PhonelyOfficial careers listing

Posted today

Software Engineer Intern

Pay

Not stated

Location

San Francisco, California

On site

Type

Internship

Skills this role screens for

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About the role

Software Engineer Internship

This is a high-impact internship where you’ll write real code, ship features, and see your work in production.

Note: This is an in-office role, 5 days a week in San Francisco.

The work

What You’ll Do

  • Investigate and troubleshoot real customer issues across frontend and backend systems
  • Work closely with customers and internal teams to diagnose bugs, performance bottlenecks, and reliability problems
  • Build internal tooling and dashboards to improve debugging, monitoring, and operational workflows
  • Help monitor production systems and support incident response efforts
  • Assist engineers in identifying root causes and shipping fixes quickly
  • Build and maintain components for high-performance web applications using React and Next.js
  • Collaborate with engineers to integrate APIs, real-time systems, and observability tooling
  • Improve UI/UX by building responsive and user-friendly interfaces
  • Support performance optimization efforts across rendering, caching, and latency
  • Write clean, maintainable, and well-documented code
  • Participate in code reviews, team discussions, and product development

Who they want

Qualifications

  • Currently pursuing or recently completed a degree in Computer Science or related field
  • Experience with JavaScript/TypeScript and modern frontend frameworks (React preferred)
  • Familiarity with Next.js or willingness to learn quickly
  • Strong problem-solving and debugging skills
  • Comfortable investigating technical issues and working through ambiguous problems
  • Basic understanding of APIs, async programming, and web fundamentals
  • Exposure to full-stack development through projects, coursework, or internships
  • Strong communication skills and ability to work directly with customers and teammates
  • Eagerness to learn quickly in a fast-paced environment

Nice to have

Nice to Have

  • Experience with backend development (Python or Node.js)
  • Familiarity with cloud platforms (AWS, GCP)
  • Experience with observability or monitoring tools
  • Familiarity with databases (Firebase, Supabase, or similar)
  • Interest in AI, real-time systems, infrastructure, or voice technologies

Also

What You’ll Gain

  • Real-world experience debugging and operating production systems
  • Hands-on exposure to customer-facing engineering and issue investigation
  • Mentorship from experienced engineers
  • Experience working with modern infrastructure, observability, and AI systems
  • Opportunity to make meaningful contributions to a fast-growing company

Also

Our Tech Stack

  • Frontend: React, Next.js, TypeScript
  • Backend: Python, microservices, async systems
  • Cloud & Infra: AWS, GCP, Kubernetes, Redis
  • Databases: Firebase, Supabase
  • Observability: Datadog, logging, metrics, tracing

Where this listing comes from

From Phonely's own careers system (Ashby).

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