How many Series A startup jobs are on BuildList?

There are currently 2,390 open roles at Series A companies on BuildList, refreshed hourly from company career pages.

What is it like to work at a Series A startup?

Explore open roles at Series A companies. Filter by sector or role type to focus your search.

Which industries are hiring at Series A companies?

Roles at Series A companies span AI, defense, aerospace, robotics, energy, and more.

How do I apply to Series A startup jobs?

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.

Series A Startup Jobs — 2381 Open Roles — Page 30

Rox Foundations Engineer (Deep Infra)

San Francisco, CA

Job type: Software & Data
Seniority: Mid-Level
Sector: AI App

Apply

Singularity Senior Quality Engineer

Gardena, CA

$160k–$200k / year

Job type: Test, Quality, & Reliability
Seniority: Senior
Sector: Defense

Apply

Field AI Robotics Autonomy Engineer - Manipulation

Irvine, CA · Peoria, IL

$100k–$200k / year

Job type: AI & Autonomy
Seniority: Senior
Sector: Robotics

Apply

Emerald AI Policy & Regulatory Affairs Manager

Washington, D.C. · Boston, MA · San Francisco, CA

Job type: Finance, Legal, & Compliance
Seniority: Manager
Sector: Energy & Climate

Apply

Surge AI Social Media Manager

Job type: Marketing & Design
Seniority: Mid-Level
Sector: AI App

Apply

Inversion Senior Manufacturing Engineer (Reentry)

Playa Vista, CA

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

Apply

Rivan Senior Mechanical Engineer

United Kingdom

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

Apply

Swarm Aero Software Engineer, Autonomy

Remote

$170k–$250k / year

Job type: AI & Autonomy
Seniority: Staff / Principal
Sector: Defense

Apply

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GovWell Data Solutions Engineer

Remote · New York, NY

$130k–$240k / year

Job type: Software & Data
Seniority: Mid-Level
Sector: Public Services

Apply

Standard Nuclear Quality Engineer

Oak Ridge, TN

Job type: Software & Data
Seniority: Entry-Level
Sector: Energy & Climate

Apply

Vast Proposal Manager, Special and Commercial Programs

Long Beach, CA

Job type: Software & Data
Seniority: Mid-Level
Sector: Aerospace

Apply

Quindar Product Manager, Mission Planning

Denver, CO · Seattle, WA · Washington, D.C. · San Francisco, CA · Los Angeles, CA

$120k–$180k / year

Job type: Product, Programs, & Systems
Seniority: Mid-Level
Sector: Aerospace

Apply

Scout AI Staff Software Engineer, Agent Harnessing

Remote · Sunnyvale, CA

$230k–$380k / year

Job type: Software & Data
Seniority: Staff / Principal
Sector: Defense

Apply

Foundation Mechanical Design Engineer, Body Structures, Frame (Autonomous Vehicle Team)

San Francisco, CA

$150k–$250k / year

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Robotics

Apply

Layup Parts Senior Talent Acquisition Partner

Huntington Beach, CA

$125k–$145k / year

Job type: Business & People Ops
Seniority: Senior
Sector: Manufacturing

Apply

Dyna Robotics Robot Safety Operator - Walnut Creek, CA

Walnut Creek, CA

Job type: Test, Quality, & Reliability
Seniority: Entry-Level
Sector: Robotics

Apply

Rune Technologies Backend Software Engineer - Sensors and Integrations

Seattle, WA · Rosslyn, VA

$185k–$205k / year

Job type: Software & Data
Seniority: Mid-Level
Sector: Defense

Apply

Volta Accounts Payable Specialist

United Kingdom

$51k–$69k / year

Job type: Finance, Legal, & Compliance
Seniority: Mid-Level
Sector: Compute & Semiconductors

Apply

AnySignal Shipping and Receiving Lead

Los Angeles, CA

$75k–$100k / year

Job type: Supply Chain & Procurement
Seniority: Manager
Sector: Aerospace

Apply

Xcimer Energy Summer 2027 Internship - Electrical and Pulsed Power Engineering

Denver, CO

$52k–$73k / year

Job type: Electrical & Firmware
Seniority: Intern
Sector: Energy & Climate

Apply

Aurelius Systems Operations Specialist

San Francisco, CA

$90k–$120k / year

Job type: Software & Data
Seniority: Entry-Level
Sector: Defense

Apply

General Matter Environmental Health and Safety (EHS) Engineer

Paducah, KY

$100k–$170k / year

Job type: Test, Quality, & Reliability
Seniority: Mid-Level
Sector: Energy & Climate

Apply

Shinkei Systems Mechanical Engineer

El Segundo, CA

$125k–$175k / year

Job type: Mechanical & Physical Systems
Seniority: Mid-Level
Sector: Agriculture

Apply

Vulcan Elements Sr. Manager, Operational Excellence

Benson, NC

Job type: Manufacturing & Production
Seniority: Manager
Sector: Manufacturing

Apply

Liquid AI Solutions Architect

San Francisco, CA · Boston, MA

Job type: Software & Data
Seniority: Entry-Level
Sector: AI Research

Apply

Series A Jobs

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