How many Series B startup jobs are on BuildList?

There are currently 3,227 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 — 3227 Open Roles — Page 75

Mach Industries December 2026 New Graduate Engineer, Software / GNC

Huntington Beach, CA

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

Apply

Lyten Staff Cell Design Engineer

San Jose, CA

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

Apply

Listen Labs Account Executive, Enterprise

New York, NY

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

Apply

Goodfire Senior Technical Recruiter

San Francisco, CA

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

Apply

Atomic Machines Senior Manager - Network and Information Security

Emeryville, CA · Santa Clara, CA

Job type: Finance, Legal, & Compliance
Seniority: Senior
Sector: Manufacturing

Apply

Bedrock Robotics Camera Pipeline and Image Quality Engineer

San Francisco, CA

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

Apply

Fractile Senior/Principal DFT Engineer

United Kingdom

Job type: Electrical & Firmware
Seniority: Senior
Sector: Compute & Semiconductors

Apply

Kela Associate, Corporate Development

Israel

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

Apply

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Slip Robotics Field Technician - Mexico

Mexico

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

Apply

Aalyria Senior Backend Software Engineer - Spacetime UK

Remote · United Kingdom

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

Apply

Mind Robotics Safety Engineer

Palo Alto, CA

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

Apply

Sakana AI Research

Japan

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

Apply

Performance Drone Works Senior Finance Analyst, FP&A

Remote

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

Apply

LeoLabs Solder / PCB Rework Technician (Independent Contractor)

Menlo Park, CA

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

Apply

Prime Intellect Research Engineer - Reinforcement Learning

Remote · San Francisco, CA

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

Apply

Mytra Senior Project Manager

Brisbane, CA

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

Apply

Physical Intelligence Deployments Software Engineer

San Francisco, CA

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

Apply

Vannevar Labs Senior Mission Manager (Clearance Required)

Raleigh, NC · Tampa, FL · Washington, D.C.

$180k–$220k / year

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

Apply

Umbra Embedded Systems Engineer

Santa Barbara, CA

$150k–$180k / year

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

Apply

Sunday Mechanical Engineer

Redwood City, CA

$150k–$300k / year

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

Apply

Traba Senior Data Scientist

New York, NY

$180k–$215k / year

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

Apply

Twenty Product Manager

Arlington, VA

$161k–$389k / year

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

Apply

Fuse Energy Senior/Lead Backend Engineer

United Kingdom · United Arab Emirates

Job type: Software & Data
Seniority: Senior
Sector: Energy & Climate

Apply

Generalist AI Software Engineer: Robotics Controls

San Mateo, CA · Somerville, MA

$200k–$350k / year

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

Apply

Arcana Financial Analyst

India

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

Apply

Series B Jobs

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