How many Series B startup jobs are on BuildList?

There are currently 3,231 open roles at Series B companies on BuildList, refreshed hourly from company career pages.

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

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

Which industries are hiring at Series B companies?

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

How do I apply to Series B 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 B Startup Jobs — 3231 Open Roles — Page 2

Ampaire Senior/Principal Engineer, Aircraft Systems Certification

Long Beach, CA

$160k–$260k / year

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

Apply

Formic Mechanical Design Engineer

Remote · Chicago, IL · Bolingbrook, IL

$120k–$150k / year

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

Apply

Cartesia Engineering Manager, Product

San Francisco, CA

$250k–$375k / year

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

Apply

Aalo Atomics Field Engineer — Field Operations

Austin, TX

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

Apply

GenLogs Strategic Customer Success Manager

Atlanta, GA · Washington, D.C. · Richmond, VA

Job type: Business Dev & Customer Ops
Seniority: Senior
Sector: Supply Chain

Apply

OpenRouter Product Manager, Agent Platform

Remote

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

Apply

AMCA Engineering Program Manager

El Segundo, CA

$150k–$250k / year

Job type: Product, Programs, & Systems
Seniority: Senior
Sector: Manufacturing

Apply

Apptronik Senior Director, Total Rewards

Austin, TX

Job type: Business & People Ops
Seniority: Director
Sector: Robotics

Apply

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X-Bow Systems Winder- Filament Winding Operator

Sacramento, CA

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

Apply

Electra.aero Recruiting Coordinator - 6-month Contract

Manassas, VA

Job type: Business & People Ops
Seniority: Entry-Level
Sector: Aerospace

Apply

Lucid Bots Customer Success Specialist

Charlotte, NC

Job type: Business Dev & Customer Ops
Seniority: Entry-Level
Sector: Robotics

Apply

Auterion Electronics Engineering Intern

Switzerland

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

Apply

Monumental Software Engineer, Product

Netherlands

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

Apply

Ambrook Software Engineer, Growth

New York, NY · Denver, CO · San Francisco, CA

$115k–$280k / year

Job type: Software & Data
Seniority: Senior
Sector: Fintech

Apply

TurbineOne Head of International Alliances

Remote

Job type: Business Dev & Customer Ops
Seniority: Director
Sector: Defense

Apply

Sesame Electrical Engineering Technician (Contract)

San Francisco, CA

Job type: Electrical & Firmware
Seniority: Mid-Level
Sector: AI Research

Apply

Nominal Mission Dev Engineer - Internship (Summer 2027)

New York, NY · Los Angeles, CA

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

Apply

MatX Onsite IT Support

Remote · Mountain View, CA

$44k–$76k / year

Job type: Infrastructure, IT, & Security
Seniority: Mid-Level
Sector: Compute & Semiconductors

Apply

Fractile Lead RTL Designer (PPA Experience)

United Kingdom

Job type: Electrical & Firmware
Seniority: Staff / Principal
Sector: Compute & Semiconductors

Apply

Goodfire Security Operations Lead

San Francisco, CA

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

Apply

Cambium USA Senior Scientist - Formulation and Composites

El Segundo, CA

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

Apply

Vapi Customer Support Engineer

San Francisco, CA

$154k–$169k / year

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

Apply

Bedrock Robotics Internship 2027 Software Engineer, Fleet Platform

New York, NY

Job type: Finance, Legal, & Compliance
Seniority: Entry-Level
Sector: Construction & Housing

Apply

Black Forest Labs Senior Account Executive

Germany · United Kingdom · Netherlands · France

$174k–$215k / year

Job type: Business Dev & Customer Ops
Seniority: Senior
Sector: AI Research

Apply

Atomic Machines Senior/Staff Electrical Engineer, Test

Emeryville, CA

$200k–$245k / year

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

Apply

Series B Jobs

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