Senior Software Engineer (Payments)

Join Qualia, a leading real estate closing platform, as a Senior Software Engineer on the Payments team. You'll design, build, and maintain systems that process ACH and wire transfers at scale, implement fraud prevention controls, and improve core web applications. You'll work with a modern tech stack, including JavaScript, TypeScript, NodeJS, MongoDB, and AWS. Enjoy competitive salary and equity, flexible schedules, unlimited learning opportunities, and daily catered lunches.

Responsibilities

• Design, build, and maintain systems that process ACH and wire transfers at scale, including origination, settlement, reconciliation, and exception handling.
• Build and harden payment-processing pipelines that integrate with banking partners, payment rails, and third-party financial APIs.
• Implement controls for wire fraud prevention, transaction verification, and anomaly detection alongside our security and compliance teams.
• You have made key architectural decisions for large, high-stakes projects

Requirements

You have mentored junior developers

• 5+ years of experience as a strong full-stack web developer is required
• Strong understanding of transactional integrity, idempotency, and failure-mode design in financial systems
• Direct experience building or maintaining other money-movement systems (banking, fintech, payments processors, or similar regulated environments strongly preferred)
• You have worked on multiple engineering teams, both small and large
• Good product sense, strong attention to detail, and a passion for building systems people can trust with their money
• Familiarity with payment rails, banking APIs, or financial compliance standards (NACHA, OFAC screening, PCI, SOC 2) is a strong plus
• You've taken full ownership of complex, high-liability systems in production, and you know how to respond calmly and methodically when funds are on the line