Software Engineer Intern

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Reacher

Reacher powers creator marketing for the world's largest brands. YC S25.

2-10 employeesFounded 2024San Francisco, CATechnology, Information and Internet
Actively hiringPaidTechnology, Information and Internet
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Best applied by Nov 19

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About the role#

Reacher is a partner for brands scaling their affiliate marketing. We build infrastructure for the creator economy across platforms like TikTok Shop, YouTube, and Amazon. As a software engineering intern, you will join our team to build production-ready features. You will have direct access to customers and take on real responsibility from your first day.

What you'll do#

  • Build full-stack features that ship to production within days.
  • Develop AI agents, LLM-powered tools, and ML pipelines that process millions of interactions.
  • Work on backend systems using Python, FastAPI, PostgreSQL, and GCP.
  • Create responsive UIs with React, Tailwind, and shadcn/ui.
  • Deliver features used directly by our customers.

What you'll need#

  • Current Computer Science major with core coursework completed.
  • Experience with full-stack projects from personal work, hackathons, or classes.
  • Availability for a 10-12 week term.
  • Ability to work resourcefully in ambiguous situations.
  • Bonus points for previous startup experience, ML/AI coursework, deployed apps, or open-source contributions.
  • An interest in AI, e-commerce, or the creator economy.

Location & details#

  • This role is based on-site in San Francisco, California.
  • The internship is full-time and paid.
  • We are looking for candidates available for 10-12 weeks in either late 2025 or summer 2026.
Relevant fieldsComputer Science

About Reacher

Reacher operates in the technology and internet sector. The company builds tools to automate influencer marketing tasks for TikTok Shop. It helps brands manage outreach and creator relationships without manual labor. Founded in 2024, the business is based in San Francisco. It currently employs 33 people.

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