Founding Engineer

Please read in full : As a founding engineer, you’ll work across our entire stack to build and scale our contextual advertising network for AI tools. You’ll have significant influence over technical direction and full autonomy. Our immediate priority is backend engineering, but full-stack experience is a strong bonus.

Compensation and what we offer :

• Salary Range : $150,000 - $300,000 USD, depending on experience and scope of contribution
• Equity : Ranging from $100,000 - $300,000 USD based on experience and contribution
• Location : Onsite at our spacious office in San Francisco, California.

Company Background

Gravity is an advertising network for AI chat

Enables advertisers to embed ads in relevant conversations

Ads write themselves using AI

Launched 3 months ago

16M users on installed platforms

$500M / year advertiser spend waiting to onboard

Delivered impressions scaling 10x MoM as we connect supply with demand

Responsibilities

As a founding engineer, you’ll be working on :

Building and scaling core infrastructure

Solving novel technical and product challenges with high ambiguity

Driving technical direction with high ownership and autonomy

What We’re Looking For

Solving problems with the end user in mind

Full-stack development experience

Strong problem-solving ability in ambiguous technical / product areas

Experience building and scaling distributed systems

Practical experience with LLMs and AI infrastructure

Proven track record of ownership and autonomous execution

Strong communication skills

Why Join Us

Solve cutting-edge advertising challenges with AI

Shape the future of generative advertising

Operate in a flat hierarchy with high ownership and autonomy

Competitive compensation and equity

Be part of a small, talented, fast-moving founding team in San Francisco

Interview Process

Initial screening with CEO

45-minute technical interview

Onsite interview with CEO (video call for non-SF applicants)

Please email your application to with the subject line

Joining Gravity - [Your Name]

Include :

Your resume

A short introduction about yourself

Any relevant links, such as GitHub, portfolio, or past projects that show your work