How many Series B startup jobs are on BuildList?

There are currently 3,225 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 — 3225 Open Roles — Page 43

Sunday Eval Ops Program Manager

Redwood City, CA

$120k–$230k / year

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

Apply

Umbra Program Manager

Arlington, VA · Reston, VA

$175k–$215k / year

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

Apply

Axion Senior Infrastructure Engineer

Remote · New York, NY · San Francisco, CA · Chicago, IL · Seattle, WA

$190k–$210k / year

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

Apply

Vannevar Labs Senior Software Engineer, Search

Remote

$150k–$215k / year

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

Apply

Traba Field Operator - Kansas City, MO

Kansas City, MO

$54k–$58k / year

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

Apply

Campus Financial Aid Specialist

Atlanta, GA

$47k–$56k / year

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

Apply

GrayMatter Robotics Staff Mechatronics Engineer

Los Angeles, CA

$170k–$200k / year

Job type: Mechanical & Physical Systems
Seniority: Staff / Principal
Sector: Robotics

Apply

Pyka Flight Demo & Training Specialist (Multiple Levels)

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

Apply

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Urban Sky Mechanical Engineer - Stratospheric Balloons

Denver, CO

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

Apply

Arena Physica Communications Lead

New York, NY

$125k–$225k / year

Job type: Marketing & Design
Seniority: Senior
Sector: AI App

Apply

Genesis Molecular AI ML Research Scientist, Foundation Models (Senior / Staff / Principal)

San Mateo, CA · New York, NY

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

Apply

Rondo Energy Mechanical Engineer – Field Integrations

Alameda, CA

$115k–$125k / year

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

Apply

Charge Robotics R&D Technician (electrical assembly)

San Leandro, CA

$75k–$89k / year

Job type: Software & Data
Seniority: Entry-Level
Sector: Construction & Housing

Apply

Twenty Strategic Finance and Business Operations Associate (Relocation to Washington, DC)

San Francisco, CA

$130k–$263k / year

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

Apply

Star Catcher Opto-Mechanical Engineer

Jacksonville, FL

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

Apply

Quaise Energy Jr. Mechanical CAD Designer

Houston, TX

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

Apply

Fuse Energy Technical Program Manager

United Kingdom

Job type: Product, Programs, & Systems
Seniority: Manager
Sector: Energy & Climate

Apply

Generalist AI Electrical Engineer

San Mateo, CA · Somerville, MA

$200k–$350k / year

Job type: Electrical & Firmware
Seniority: Senior
Sector: Robotics

Apply

Arcana Customer Success Manager

Remote · India

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

Apply

Wispr Flow Platform Engineer, Android

San Francisco, CA

$220k–$350k / year

Job type: Software & Data
Seniority: Mid-Level
Sector: Bio & Health

Apply

Valar Atomics Automation and Controls Engineer

Torrance, CA

$90k–$137k / year

Job type: Electrical & Firmware
Seniority: Entry-Level
Sector: Energy & Climate

Apply

Venus Aerospace Senior Test Operator

Houston, TX

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

Apply

Somos Instalador de Internet

Colombia

Job type: Infrastructure, IT, & Security
Seniority: Entry-Level
Sector: Construction & Housing

Apply

Firestorm Senior Software Integration Engineer (Payloads & Integrations)

San Diego, CA

$140k–$155k / year

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

Apply

Northwood Fleet Reliability Intern (2027 Summer Internship)

Torrance, CA

$75k / year

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

Apply

Series B Jobs

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