Fullstack Software Engineer Intern jobs in United States
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ProductNow · 20 hours ago

Fullstack Software Engineer Intern

ProductNow builds AI teammates that eliminate coordination overhead in product teams, and they are seeking a Fullstack Software Engineer Intern to work closely with their founding team and senior engineers. The intern will contribute to production systems, work across the product stack, and gain exposure to the full product development lifecycle.

Software
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Responsibilities

Build and ship end-to-end product features across the stack, contributing to frontend interfaces, backend services, and APIs used by enterprise teams
Work on collaborative document experiences, including real-time multiuser editing and workflows that support both human teammates and AI agents
Develop AI-enhanced review and feedback tools that help teams synthesize input, surface disagreements, and reach alignment more efficiently
Integrate with external tools (e.g., project management or communication platforms) to bring relevant context into documents automatically
Design and implement features that turn aligned decisions into clear next steps and executable actions
Own projects through the full development lifecycle and collaborate closely with product and design partners to deliver intuitive, reliable, and scalable user-facing experiences

Qualification

Frontend frameworkBackend frameworkAPI designDatabasesCuriosityCollaborationInitiative

Required

Ability to work from ProductNow's HQ during Summer 2026
Currently pursuing a Bachelor's or Master's degree in Computer Science or a related technical field, with an expected graduation date of June 2027 or later
Prior experience building software through internships, research, or substantial project work
Comfort working with at least one modern frontend framework (e.g., React, Next.js) and one backend framework (e.g., Node.js, Django, or similar), with some familiarity with databases and API design
Interest in building user-facing features and iterating based on real feedback
A collaborative mindset and comfort working in a fast-paced, team-oriented engineering environment
Curiosity, initiative, and a willingness to learn new technologies as project needs evolve

Benefits

Competitive pay for the duration of the internship
Daily lunch, dinner and stocked snacks when working from the office.
Direct mentorship from senior engineers and founders, with frequent feedback and support
Meaningful exposure to customers, including opportunities to observe or participate in user conversations and product feedback sessions.
Learning sessions with company leadership, offering perspective on building products, teams, and companies from the ground up.
Team activities and events, ranging from informal outings to fun off-sites, designed to build strong connections across everyone at ProductNow.
A small, focused intern cohort (2 interns), ensuring high ownership, close collaboration, and real impact.

Company

ProductNow

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Product, at the speed of AI

Funding

Current Stage
Early Stage
Total Funding
$6M
Key Investors
Sierra Ventures
2025-07-15Seed· $6M
Company data provided by crunchbase