We are looking for a Payments Engineer with 3+ years of payments experience to be the foundational hire for our new payments and billing suite. As a seasoned, business-savvy engineer, you will be the architect of the entire ecosystem, building out a core system from the ground up for a rapidly growing, AI-native product backed by Kleiner Perkins.

What You’ll Do

Billing & Pricing Platform (Core System)

Design and build a flexible pricing engine that supports:

Hybrid SaaS + usage-based pricing (tokens, executions, events).
Tiered pricing, multi-phase lifecycle pricing, and promotions.
Spend caps, guardrails, and custom contract logic.
Enable rapid iteration on pricing without requiring constant code changes.

Payments Infrastructure

Own deep integration with Stripe and Shopify:

Subscriptions, invoices, checkout, webhooks, tax, and payment flows, retries, failures, proration, refunds, disputes.
Build reliable webhook and event-driven architecture (at-least-once delivery safe).

Usage Metering & Revenue Accuracy

Build high-reliability usage metering pipelines tied to product events.
Design reconciliation systems to ensure:
Billing accuracy
Explainable invoices
Implement internal ledger-like systems or audit layers where needed.
Build tools for invoice review and overrides.
Partner with Finance, Product, and Ops to ensure billing is transparent.

What You'll Bring

MAI was founded by technologists and operators who spent over a decade building ad platforms and e-commerce engines. They saw that growth-stage businesses often lacked access to the advanced growth technology powering the largest platforms, and set out to change that. Today, a rapidly growing network of D2C brands and apps rely on MAI’s intelligent agents to simplify marketing complexity, uncover actionable insights, and autonomously drive measurable results. Backed by Tier-1 VCs, MAI is pioneering autonomous growth agents that bring advanced data science and machine learning to every business, and work around the clock to help them reach their full growth potential.

We just announced a $25M Seed round led by Kleiner Perkins.
We're building AI agents to transform the performance marketing industry; a massive $1T market. Video here by our CEO/Founder, former VPE at Instacart.
Our SMB customers are already seeing results (40% lift) with a growing client waitlist by the day.
Most importantly, the team is stellar, solid human beings, and amazing at what they do - you’re going to have a lot of fun.

Software Engineer - Payments

About the role

About MAI Agents

Required skills

Other roles at MAI Agents

Job details

Company

Funding

Founders

What happens next.

Confirm the fit

I pitch you to the company

A meeting lands on your calendar