Software Engineer Intern (Fall 2025/Summer 2026)

Reacher; San Francisco (CA); On-site; USD 27,552 - 41,328; Part time

Job summary

A tech startup specializing in creator marketing in San Francisco is seeking a full-stack developer intern to help build features rapidly and develop AI tools. Candidates should be computer science majors with project experience. The culture encourages collaboration and provides direct customer interactions, ensuring real responsibility from day one. This role is ideal for those available for 10-12 weeks in 2025 or 2026, offering hands-on experience in a dynamic environment.

Qualifications

• CS major with core coursework completed.
• Full-stack project experience required.
• Availability for 10-12 weeks during specified dates.

Responsibilities

• Build full-stack features that ship quickly.
• Develop AI-powered tools and systems.
• Interact with customers and creators directly.

Skills

Full-stack development

Python

React

Problem-solving

Education

Computer Science

Tools

PostgreSQL

GCP

Job description

Overview

We're the #1 TikTok Shop partner helping brands like Under Armour, Hanes, and Logitech scale their affiliate marketing. We've crossed 7 figures in ARR and are raising our seed round. Our vision: become the Hubspot for creator marketing, powering brands and creators across TikTok Shop, YouTube Shopping, Instagram, and Amazon. We're building AI-powered infrastructure that will be core to the rapidly growing creator economy.

What You'll Build

• Full-stack features that ship to production within days
• AI agents, LLM-powered tools and ML pipelines processing millions of creator/brand interactions
• Backend systems (Python, FastAPI, PostgreSQL, GCP)
• Responsive UIs (React, Tailwind, shadcn/ui)
• Direct customer features - no throwaway intern projects

Our Culture

• Collaborative by default - we pair on hard problems and celebrate wins together
• No egos, no politics - just a tight team building something cool
• Direct customer access - you'll talk to brands and creators regularly
• High trust, high output - we give you real responsibility from day one
• We actually like hanging out together (team dinners, office games, etc)

Requirements

• CS major with core coursework completed
• Full-stack project experience (personal, hackathon, or coursework)
• Available for 10-12 weeks (Sept/Oct - Dec 2025) or (May/June - August 2026)
• Resourceful and comfortable with ambiguity

Bonus

• Previous startup/tech internship
• ML/AI coursework or projects
• Deployed apps with real users
• Side projects or open-source contributions
• Interest in AI/e-commerce/creator economy

Location

San Francisco (in-person)