How many Series A startup jobs are on BuildList?

There are currently 2,394 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 — 2394 Open Roles — Page 79

Surge AI Accounting Consultant (Part-Time) Remote

Remote

Job type: Finance, Legal, & Compliance
Seniority: Mid-Level
Sector: AI App

Apply

Inversion Senior Platform Engineer

Playa Vista, CA

$139k–$201k / year

Job type: Infrastructure, IT, & Security
Seniority: Senior
Sector: Aerospace

Apply

Vast Senior Integration Technician

Hawthorne, CA

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

Apply

General Matter Summer 2027 Internship - Electrical Engineering (Buildings)

Los Angeles, CA

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

Apply

Volta Company Secretary

United Kingdom

$134k–$174k / year

Job type: Finance, Legal, & Compliance
Seniority: Senior
Sector: Compute & Semiconductors

Apply

Xcimer Energy Lead Experimental Physicist

Denver, CO

$200k–$225k / year

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

Apply

Vulcan Elements Applications Engineer - Magnetics

Research Triangle Park, NC

Job type: Business Dev & Customer Ops
Seniority: Senior
Sector: Manufacturing

Apply

Proxima Fusion Neutronics Engineer

Germany

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

Apply

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Mariana Minerals Controls Technician

Joaquin, TX

Job type: Manufacturing & Production
Seniority: Entry-Level
Sector: Energy & Climate

Apply

Astro Mechanica Software Engineer, Engineering Applications

San Francisco, CA

$185k–$215k / year

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

Apply

Tutor Intelligence Sales Development Representative (SDR)

Boston, MA

$100k / year

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

Apply

Singularity Propulsion Technician

Gardena, CA · Denver, CO

Job type: Manufacturing & Production
Seniority: Mid-Level
Sector: Defense

Apply

Field AI Robotics Engineer, Humanoid System Integration

Irvine, CA

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

Apply

Surge AI Machine Learning Research Scientist Remote

Remote

Job type: AI & Autonomy
Seniority: Mid-Level
Sector: AI App

Apply

Inversion Senior Test and Automation Engineer

Playa Vista, CA

$137k–$193k / year

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

Apply

Vast Project Manager, Human Spaceflight and Satellites | Chef de projet, vols spatiaux habités et satellites

France

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

Apply

General Matter Software Engineer, Enterprise Systems

Los Angeles, CA

$140k–$190k / year

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

Apply

Volta Analyst, Strategic Finance

United Kingdom

$101k–$127k / year

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

Apply

Xcimer Energy Laser Physicist

Denver, CO

$140k–$190k / year

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

Apply

Vulcan Elements Global Supply Manager - Capex and Materials

Research Triangle Park, NC

Job type: Supply Chain & Procurement
Seniority: Mid-Level
Sector: Manufacturing

Apply

Proxima Fusion Computational Physicist

Germany

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

Apply

Mariana Minerals Machine Learning Engineer (Autonomy)

San Francisco, CA · Houston, TX · Ann Arbor, MI

$140k–$180k / year

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

Apply

Astro Mechanica Director of Marketing

Remote · San Francisco, CA

$150k–$180k / year

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

Apply

Tutor Intelligence Senior Robotics Software Engineer

Watertown, MA

$100k–$300k / year

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

Apply

Singularity Electrical Engineer

Gardena, CA

$120k–$165k / year

Job type: Electrical & Firmware
Seniority: Mid-Level
Sector: Defense

Apply

Series A Jobs

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