Senior Staff Software Engineer, Fintech Invoicing & Payments

Role Overview

Responsibilities

• Drive significant technology initiatives across horizontal layers of the architecture.
• Build solutions from merchant-facing React forms through MCP tools to GraphQL or STS writes in QuickBooks.
• Create secure, scalable, durable designs that balance immediate delivery with long-term architecture.
• Partner with Omni, the QBO monolith, payments, design, and external MCP-host partners.
• Guide AI applicability for customer problems and contribute beyond a single repository's ownership.
• Validate solution accuracy and prevent regressions before they affect customer books.

Qualifications

• 10+ years developing systems or software for large business environments.
• 7+ years designing complex distributed systems, management products, or business applications.
• Full-stack experience applying AI technologies and tools to frontend or backend solutions.
• Experience with SageMaker, Vert.x, LangChain, large language models, prompt engineering, DialogFlow, and Python.
• Experience with at least one frontend technology such as React or Angular, or backend technology such as Java, TypeScript, Spring, or Express.js.
• 1+ years working on teams that built AI-native applications.
• Ability to drive velocity in a highly matrixed stakeholder environment.
• Bachelor's or master's degree in Computer Science or a related area.
• Experience coding with ChatGPT and Claude, including custom plugins or applications.

Technical Focus

• Apply LLM and prompt or tool-description engineering to accounting workflows.
• Use agent orchestration frameworks such as LangChain or LangGraph-style tools.
• Use evaluation tooling to measure accuracy and validate AI-enabled solutions.
• Build robust software with high availability and optimal performance.

Compensation

• Expected base pay range in Mountain View is $220,500 to $298,500 per year.
• The role is eligible for cash bonus, equity rewards, and benefits under applicable plans.

Benefits

• Compensation includes a pay-for-performance rewards approach.
• Pay is based on job-related knowledge, skills, experience, and work location.