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Software Engineer Intern

phonely

San Francisco, California

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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

Seen 10 hours ago.

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