Phonely

Software Engineer Intern

San Francisco, CaliforniaFull TimePosted May 8, 2026

Requirements at a glance

Software Engineer Intern at Phonely is a full-time role based in San Francisco, California. It does not mention visa sponsorship. Key skills include JavaScript, TypeScript, Python, and React. Applications are submitted through Ashby.

Visa sponsorship
Not mentioned in the posting
Application platform
Ashby

Skills in this posting

  • JavaScript
  • TypeScript
  • Python
  • React
  • Next.js
  • Node.js
  • AWS
  • Google Cloud
  • Kubernetes
  • Redis

Extracted automatically from the job description. Confirm details in the full posting below.


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.
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

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

  • 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

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

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

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