AI Platform Engineer

The role

You will design, build, and deploy agentic systems and intelligent tooling to automate complex workflows. You will work within cross-functional teams to transform AI strategy into production reality.

What you will do

• Prototype, deploy, and ship production-grade AI agents and automation workflows.
• Lead discovery sessions with stakeholders to translate manual processes into technical specifications.
• Build, maintain, and secure integrations between the core SaaS stack and custom AI services.
• Instrument monitoring, guardrails, and evaluation frameworks for AI-driven workflows.
• Empower and educate internal partners to adopt AI-first mindsets.
• Create reusable playbooks, architecture decision records, and handoff documentation.

Required qualifications

• 5+ years of professional engineering experience shipping production code.
• Hands-on expertise with modern AI tooling, including LLM APIs, agent frameworks (LangGraph, Claude SDK), developer tools (Cursor/Claude Code), MCP server development, and LLM evaluation techniques.
• Systems integration experience, including a working knowledge of REST APIs, data pipelines (SQL), and cloud infrastructure (GCP/AWS).
• A Product Mindset.

Nice to have

• Familiarity with modern software engineering practices

Benefits

• Competitive base salary
• Stock options
• Health benefits from Day 1
• 401(k) plan with company match
• Flexible time off (FTO)

Before you apply

• AI-assisted initial screen

About the company

OnePay is a consumer fintech platform that provides banking, high-yield savings, credit cards, point-of-sale lending, investing, and crypto. It is backed by Walmart and Ribbit Capital.