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
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
Tech stack
ReactNext.jsJavaScriptTypeScriptPythonNode.js
About Phonely
Phonely is hiring for the software engineer intern role. NewJob aggregates active openings directly from Phonely's applicant tracking system, so this listing is current.
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