Software Engineer Intern

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 #J-18808-Ljbffr Phonely, Inc.