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 49

Cambium USA Chemistry Laboratory Technician

El Segundo, CA

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

Apply

Goodfire Product Engineer

San Francisco, CA

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

Apply

Lyten Staff Quality Systems Engineer

San Jose, CA

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

Apply

MatX Technical Program Manager, Silicon/Hardware

Mountain View, CA

$160k–$275k / year

Job type: Product, Programs, & Systems
Seniority: Senior
Sector: Compute & Semiconductors

Apply

Black Forest Labs Account Executive

Germany

$104k–$168k / year

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

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Fractile Manufacturing Operations Technical Programme Manager – Silicon and Packaging

United Kingdom

Job type: Product, Programs, & Systems
Seniority: Manager
Sector: Compute & Semiconductors

Apply

Bedrock Robotics Systems Engineer, Safety

San Francisco, CA

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

Apply

Atomic Machines Supplier Quality Engineering Manager

Emeryville, CA · Santa Clara, CA

$150k–$200k / year

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

Apply

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Mach Industries Principal Industrial Engineer

Huntington Beach, CA

$180k–$220k / year

Job type: Manufacturing & Production
Seniority: Staff / Principal
Sector: Defense

Apply

Slip Robotics Robotics Software Engineering Leader

Norcross, GA

Job type: Software & Data
Seniority: Director
Sector: Robotics

Apply

Aalyria Mission Engineer

Remote

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

Apply

Gridware Senior RF Engineer, Devices

San Francisco, CA

$195k–$210k / year

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

Apply

Sakana AI GTM

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

Apply

Asylon Robotics Electrical Engineer - RF Systems

Norristown, PA

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

Apply

Kela FDE- LA

United States

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

Apply

GITAI Mechanical Engineering Intern / Co-op, Satellite Bus - Winter/Spring 2027

Los Angeles, CA

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

Apply

Performance Drone Works Mechanical Engineer

Huntsville, AL

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

Apply

Prime Intellect Solutions Architect - AI Infrastructure

San Francisco, CA

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

Apply

Pallet Sales Development Representative

Remote · New York, NY

Job type: Software & Data
Seniority: Mid-Level
Sector: Supply Chain

Apply

Simile Evaluations Engineering - Member of Technical Staff

San Francisco, CA

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

Apply

Mind Robotics Manager, Electrical Engineering

Palo Alto, CA

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

Apply

LeoLabs Site Acquisition Lead

Remote

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

Apply

JetZero Senior Manufacturing Engineer

Greenboro, NC

$135k–$150k / year

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

Apply

Zeno Power Chief Engineer - Maritime

Remote

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

Apply

Mytra Manufacturing Technician II

Brisbane, CA

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

Apply

Series B Jobs

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