Senior Software Engineer - Backend & Agent Platform

About the role

You'll join a small, high-ownership team where engineering sits close to the product. We work two-deep on every important system — no lone heroes, no undocumented black boxes — so you'll always have a partner, and we value people who document well and share what they know.

Responsibilities

• Backend services and APIs that power the product.
• Reliability and operations — helping our systems stay healthy and fast as we scale.
• Cloud infrastructure on AWS.
• Integrations with accounting platforms, where correctness really matters.

Requirements

• Built and run backend services in production and care about keeping them reliable.
• Strong in backend TypeScript/Node.
• Worked with asynchronous, data-intensive, or distributed systems.
• Comfortable with cloud infrastructure (AWS) and relational databases (PostgreSQL).

Qualifications

• Experience building with LLMs / AI agents in production.
• Fintech or accounting domain exposure (ERP integrations, an auditability mindset).
• A track record at early-stage companies and comfort with ambiguity.

Skills

• TypeScript
• Next.js
• React
• PostgreSQL
• AWS

Benefits

• Competitive salary and meaningful equity
• health, dental, and vision insurance
• twice-yearly off-sites in SF and NYC
• a front-row seat on 0→1 AI product development

Pay

$220K - $260K

Schedule

Full-time