Software Engineer Intern

phonely· Engineering
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📍 San Francisco, CaliforniaFullTime

About this 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.
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

Frequently Asked Questions

Is the salary disclosed for the Software Engineer Intern position at phonely?
The salary for this Software Engineer Intern role at phonely is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Software Engineer Intern position at phonely located?
This Software Engineer Intern role at phonely is based in San Francisco, California. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Software Engineer Intern role at phonely full-time or part-time?
This is listed as a FullTime position. It is posted as a Software Engineer Intern role in the Engineering department at phonely.
Which team or department does the Software Engineer Intern at phonely belong to?
This Software Engineer Intern position is part of the Engineering department at phonely. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Software Engineer Intern position at phonely?
Click the "Apply Now" button on this page. You will be redirected to phonely's official application portal hosted on ashby where you can submit your application directly.
When was the Software Engineer Intern job at phonely posted?
This Software Engineer Intern position at phonely was posted on May 8, 2026. Apply as soon as possible — early applications are often reviewed first.
Software Engineer Intern
phonely
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