How many internship roles are on BuildList?

There are currently 1,109 open internship roles on BuildList, refreshed hourly from company career pages.

What kinds of internship roles are listed?

Internships at startups building the future — get hands-on at the frontier. You can filter by sector, company stage, role type, and location.

Are there remote internship roles?

Yes — use the location filter or the remote view to see fully-remote internship openings.

How do I apply for internship roles?

Every listing links straight to the company's own application page — BuildList doesn't sit between you and the employer, so there's no account or middleman.

Startup Internships — 1109 Open Roles — Page 12

Heliux Software Engineer (Internship, Spring 2027)

San Francisco, CA

Job type: Software & Data
Seniority: Intern
Sector: Manufacturing

Apply

Valstad Robotics Software Intern, Manipulation & Simulation

Austin, TX

$71k–$87k / year

Job type: AI & Autonomy
Seniority: Intern
Sector: Defense

Apply

Wardstone Engineering Intern - Space and Missile Defense

Los Angeles, CA

$72k–$120k / year

Job type: Mechanical & Physical Systems
Seniority: Intern
Sector: Aerospace

Apply

Ephemeris Net 2027 Spring Optical Engineering Internship

Oakland, CA

$70k / year

Job type: Mechanical & Physical Systems
Seniority: Intern
Sector: Aerospace

Apply

Genesis Molecular AI ML Research Intern – BS/MS (Summer 2027)

New York, NY · SF Bay Area

Job type: AI & Autonomy
Seniority: Intern
Sector: Bio & Health

Apply

Terranova Mechanical/Test Engineering Intern

Berkeley, CA

$52k–$73k / year

Job type: Mechanical & Physical Systems
Seniority: Intern
Sector: Construction & Housing

Apply

Mesh Optical Associate Electrical Engineer (Intern / Co-Op)

Gardena, CA

$54k–$79k / year

Job type: Electrical & Firmware
Seniority: Intern
Sector: Compute & Semiconductors

Apply

Astranis Software Developer, Network Software Associate (Summer 2027)

San Francisco, CA

$100k / year

Job type: Software & Data
Seniority: Intern
Sector: Aerospace

Apply

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H3X Electromagnetics Engineering Intern (Spring)

Louisville, CO

$48k–$77k / year

Job type: Electrical & Firmware
Seniority: Intern
Sector: Aerospace

Apply

Olympian Motors Intern - Content & Social Media Talent

Irvine, CA

Job type: Marketing & Design
Seniority: Intern
Sector: Transportation

Apply

Impulse Space Development Test Engineering Intern (Summer 2027)

Redondo Beach, CA

Job type: Software & Data
Seniority: Intern
Sector: Aerospace

Apply

Star Catcher Summer 2027 Engineering Internship

Jacksonville, FL

Job type: Mechanical & Physical Systems
Seniority: Intern
Sector: Aerospace

Apply

Perplexity Internship - Search Backend Infra Engineer

Serbia

Job type: Infrastructure, IT, & Security
Seniority: Intern
Sector: AI App

Apply

PsiQuantum Intern, System Architecture

Remote · United Kingdom · Palo Alto, CA

Job type: AI & Autonomy
Seniority: Intern
Sector: Compute & Semiconductors

Apply

Moment Energy Mechanical Engineer Co-op

Canada

Job type: Mechanical & Physical Systems
Seniority: Intern
Sector: Energy & Climate

Apply

Hadrian Data Science/ Data Engineer Intern

Los Angeles, CA

$96k–$105k / year

Job type: Software & Data
Seniority: Intern
Sector: Manufacturing

Apply

Stoke Space Summer 2027 Internship - Software

Kent, WA · Washington, D.C.

$58k / year

Job type: Software & Data
Seniority: Intern
Sector: Aerospace

Apply

Quantum Systems Working Student Ground Robotics (m/f/d)

Germany

Job type: Mechanical & Physical Systems
Seniority: Intern
Sector: Defense

Apply

Anduril Industries Winter 2027 Technical Program Management Co-op

Washington, D.C.

$58k–$94k / year

Job type: Product, Programs, & Systems
Seniority: Intern
Sector: Defense

Apply

Isar Aerospace Launch Vehicle Intern (f/m/d)

Germany

Job type: Manufacturing & Production
Seniority: Intern
Sector: Aerospace

Apply

Shield AI Electrical Engineering Spring Co-op (January 2027) (R4475)

Dallas, TX · San Diego, CA · Boston, MA

$83k–$116k / year

Job type: Electrical & Firmware
Seniority: Intern
Sector: Defense

Apply

Cohere Software Engineer Intern (Winter 2027)

Remote · Canada · United Arab Emirates · United Kingdom · United States

Job type: Software & Data
Seniority: Intern
Sector: AI Research

Apply

K2 Space Software Engineering Intern – Summer 2027

Los Angeles, CA

$62k–$83k / year

Job type: Software & Data
Seniority: Intern
Sector: Aerospace

Apply

Saronic Naval Architect Intern (Summer 2027)

Austin, TX

Job type: Mechanical & Physical Systems
Seniority: Intern
Sector: Defense

Apply

Together AI Systems Research Engineer Intern - GPU Programming (Winter 2027)

San Francisco, CA

$121k–$146k / year

Job type: AI & Autonomy
Seniority: Intern
Sector: AI App

Apply

Startup Internships

Weekly jobs, picked for you.

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