Senior Payments & Data Platform Engineer

Qu, Inc.; United States; On-site; USD 140,000 - 190,000; Full time

Job summary

Qu, Inc. is hiring a Senior Software Engineer to own both payments integrations and the data platform that makes transactions visible and reconciled for merchants. You will join a scaled agile team distributed globally, building cloud-based architectures that process high-volume restaurant payments daily.

You will lead PSP integrations, drive terminal-to-cloud payment flows, and build analytics dashboards for back-office users, while mentoring engineers and ensuring code quality across services.

Qualifications

• 7+ years in software development with payments exposure.

Responsibilities

• Build and maintain payment integrations with PSPs across card-present and card-not-present channels.
• Own terminal-to-cloud payment flows: device initialization, transaction processing, Store & Forward, and webhook-based reconciliation.
• Build the reconciliation platform (UI and back-end) that matches POS transactions against PSP settlement/payout records and surfaces discrepancies.
• Design matching engines and data pipelines ingesting settlement files, classify exceptions (voids, refunds, offline payments).
• Create payment analytics dashboards and reports for merchant back-office users.

Skills

C# / .NET

Payments domain knowledge

API design

Data reporting UI

AWS

SQL databases

Elasticsearch

MongoDB

Tools

Vue.js

Angular

React

AWS

MongoDB

SQL

Elasticsearch

Job description

Qu, Inc. is hiring a Senior Software Engineer to own both payments integrations and the data platform that makes transactions visible and reconciled for merchants. You will join a scaled agile team distributed globally, building cloud-based architectures that process high-volume restaurant payments daily.

You will lead PSP integrations, drive terminal-to-cloud payment flows, and build analytics dashboards for back-office users, while mentoring engineers and ensuring code quality across services.