How many Series B startup jobs are on BuildList?

There are currently 3,237 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 — 3237 Open Roles — Page 119

Apptronik Lead Software Engineer - Dexterous Manipulation

Austin, TX

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

Apply

Fuse Energy Senior Electrical Engineer

United Kingdom

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

Apply

Valar Atomics Rotordynamics Engineer, Turbomachinery

Torrance, CA

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

Apply

Northwood Security Operations Manager

Torrance, CA

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

Apply

LangChain Commercial Account Executive - Benelux & Nordics

United Kingdom

Job type: Business Dev & Customer Ops
Seniority: Mid-Level
Sector: AI App

Apply

Harmattan AI Data Engineer (Detect & Track Distillation)

France · Switzerland

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

Apply

Cowboy Space Corporation Senior Fluids Engineer

Kent, WA · Washington, D.C.

$160k–$185k / year

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

Apply

Higgsfield Product Manager (Core Product)

Kazakhstan

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

Apply

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Allen Control Systems Computer Vision & Machine Learning Engineer, Senior

Austin, TX

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

Apply

Mach Industries Software Engineer, Mission Autonomy

Huntington Beach, CA

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

Apply

Apptronik Senior Manufacturing Engineer - Assembly

Austin, TX

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

Apply

Fuse Energy Dual Fuel Engineer

United Kingdom

$56k–$62k / year

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

Apply

Valar Atomics Turbomachinery Aerodynamics Engineer

Torrance, CA

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

Apply

Northwood Senior Detection and Response Engineer

Torrance, CA

$120k–$190k / year

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

Apply

LangChain Enterprise Account Executive (Chicago)

Remote · Chicago, IL

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

Apply

Harmattan AI Field Deployment Engineer - Global Lead

France

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

Apply

Cowboy Space Corporation Senior Mechanisms Engineer - Electromechanical Actuators

Kent, WA · Washington, D.C.

$150k–$180k / year

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

Apply

Higgsfield Growth Manager

Kazakhstan

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

Apply

Allen Control Systems Unreal Systems Developer

Austin, TX

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

Apply

Mach Industries Senior Automation Engineer, Vision

Huntington Beach, CA

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

Apply

Apptronik Senior Reinforcement Learning Engineer

Austin, TX

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

Apply

Fuse Energy Renewable Energy Electrician

United Kingdom

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

Apply

Valar Atomics Global Supply Manager

Torrance, CA

Job type: Manufacturing & Production
Seniority: Senior
Sector: Energy & Climate

Apply

Northwood Forward Deployed Engineer

Washington, D.C.

$170k–$225k / year

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

Apply

LangChain Enterprise Account Executive (Houston)

Remote · Houston, TX

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

Apply

Series B Jobs

Weekly jobs, picked for you.

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