Founding Engineer (Ai)

TL;DR

Founding Engineer (AI): Owning and expanding the core machine learning engine behind Abacus with an accent on ML extraction using LLMs and OCR. Focus on backend architecture and infrastructure decisions.

Location: Remote

Company

Abacus is reinventing how accounting firms operate by building AI agents that automate the tedious, repetitive workflows that teams currently face.

What you will do

• Lead development of our ML-powered document extraction engine.
• Architect backend systems with performance and scalability in mind.
• Build and deploy new automation features for tax firms.
• Collaborate closely with the founders on product and user needs.
• Help define our engineering culture and technical roadmap.

Requirements

• 1–5 years of experience, ideally in high-ownership or early-stage environments.
• Strong backend development skills, particularly in Python.
• Proven 0→1 builder (side projects, startup experience, or both).
• Willingness to complete a technical take-home exercise as part of the process.

Nice to have

• Experience with LLMs, OCR, or data extraction systems.
• Exposure to AI infrastructure or evaluation frameworks.

Culture & Benefits

• No ceiling on ownership or growth.
• Significant equity and high-leverage role at a fast-growing startup.
• Top-tier health insurance, daily lunches, and an in-office barista.
• You’ll help define the trajectory of the product, team, and company!