Senior Software Engineer

Central Employment; New York (NY); On-site; USD 230,000 - 280,000; Full time

Benefits offered by this job

Significant equity package

Competitive compensation

Job summary

Frontier AI Infrastructure in New York City or San Francisco is seeking a Senior Software Engineer to own products end-to-end, design and scale the data platform powering frontier AI labs, and shape architectural decisions with leadership teams.

You will mentor engineers, drive projects, and leverage AI coding tools to accelerate delivery in a lean, fast-growing startup.

Qualifications

• 5+ years of software engineering experience.
• Experience shipping production software from scratch.
• Strong TypeScript experience preferred.
• Startup or founding engineer experience valued.
• Experience mentoring engineers or leading projects.

Responsibilities

• Own products and features end-to-end, from idea to production.
• Build the platform powering data production pipelines for frontier AI labs.
• Make architectural decisions that influence company direction.
• Work closely with operations, product, and leadership teams.
• Lead projects and mentor other engineers.
• Use AI coding tools daily to increase speed and quality.
• Help scale an ambitious company with a lean engineering team.

Skills

TypeScript

Startup experience

Mentoring engineers

Product ownership

Tools

Cursor

Claude Code

GitHub Copilot

Job description

Frontier AI Infrastructure | New York or San Francisco | $230k-$280k + Equity

Some startups build products.

Others build the infrastructure that powers entire industries.

We're partnered with an exceptionally well-funded AI startup founded by leaders from Scale AI and Meta, building the data infrastructure layer behind some of the world's most advanced AI labs.

Already working with frontier AI companies and backed by a world-class team, they're looking for Senior Software Engineers who want to help define how the next generation of AI systems are developed.

What you\'ll do

• Own products and features end-to-end, from idea to production
• Build the platform powering data production pipelines for frontier AI labs
• Make architectural decisions that directly influence company direction
• Work closely with operations, product, and leadership teams
• Lead projects and mentor other engineers
• Use AI coding tools daily to increase speed and quality
• Help scale an ambitious company with plans to reach massive scale with a lean engineering team

What they\'re looking for

• 5+ years of software engineering experience
• Experience building and shipping production software from scratch
• Strong TypeScript experience preferred
• Comfortable owning technical decisions with minimal oversight
• Previous startup experience is highly valued
• Experience using tools such as Cursor, Claude Code or GitHub Copilot
• Engineers who thrive in ambiguity and move quickly
• Founding Engineer or early startup experience
• Experience in AI, developer tools, fintech or infrastructure products
• Previous experience mentoring engineers or leading projects
• Track record of building products used at scale
• Founded by leaders from Scale AI and Meta
• Working directly with some of the world\'s leading AI labs
• High ownership and genuine influence over product direction
• Small, elite team of builders
• Fast-growing business with significant funding already secured
• Competitive compensation and meaningful equity
• Opportunity to work on problems at the forefront of AI

Package

• $230,000 to $280,000 base salary
• Significant equity package
• New York City or San Francisco