How many Series B startup jobs are on BuildList?

There are currently 3,236 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 — 3235 Open Roles — Page 28

Generalist AI Strategic Deals Lead

San Mateo, CA

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

Apply

Arcana Portfolio Analytics Specialist

New York, NY

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

Apply

Wispr Flow Forward Deployed Engineer

San Francisco, CA

$180k–$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 Principal Propulsion Engineer

Oceanside, CA

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

Apply

Somos Coordinador(a) de Control Interno

Colombia

Job type: AI & Autonomy
Seniority: Intern
Sector: Construction & Housing

Apply

Firestorm Senior Software Engineer

San Diego, CA

$145k–$165k / year

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

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Northwood Director, Commercial Growth

Torrance, CA · Washington, D.C.

$158k–$240k / year

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

Apply

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Gimlet Labs Network Engineer

San Francisco, CA

$250k–$350k / year

Job type: Infrastructure, IT, & Security
Seniority: Mid-Level
Sector: AI Research

Apply

LangChain Deployed Architect, Professional Services (Austin)

Remote · Austin, TX

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

Apply

Cowboy Space Corporation Head of Analysis

Kent, WA · Washington, D.C.

$220k–$272k / year

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

Apply

Senra Systems Inventory Specialist II

Cypress, CA

$56k–$67k / year

Job type: Supply Chain & Procurement
Seniority: Entry-Level
Sector: Manufacturing

Apply

Enter Junior Software Engineer

Brazil

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

Apply

Braintrust Director, Product Engineering

San Francisco, CA

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

Apply

Normal Computing Research Engineer, Domain Scaling

New York, NY

$200k–$400k / year

Job type: AI & Autonomy
Seniority: Senior
Sector: Compute & Semiconductors

Apply

Parallel GTM Leader, Enterprise

San Francisco, CA · Palo Alto, CA · New York, NY

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

Apply

Sift Software Engineer – New College Graduate

Marina Del Rey, CA

$125k–$145k / year

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

Apply

Peak Energy IT System Administrator (Sacramento)

Sacramento, CA

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

Apply

Allen Control Systems Electronics Technician

Austin, TX

Job type: Electrical & Firmware
Seniority: Entry-Level
Sector: Defense

Apply

Harmattan AI Production Quality Engineer Intern

France

Job type: Test, Quality, & Reliability
Seniority: Intern
Sector: Defense

Apply

Starfish Space IT Manager

Tukwila, WA

$80k–$120k / year

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

Apply

Vapi Member of Technical Staff, Agentic Developer Experience

San Francisco, CA

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

Apply

Overland AI Technical Recruiter (Contract)

Remote · Seattle, WA

Job type: Business & People Ops
Seniority: Mid-Level
Sector: Defense

Apply

Higgsfield GTM Forward Deployed Engineer

Kazakhstan

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

Apply

Heron Power Power Electronics Test & Validation Engineer

Scotts Valley, CA

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

Apply

Series B Jobs

Weekly jobs, picked for you.

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