About the Role

We are seeking an experienced Senior Software Engineer to join one or more product engineering teams building mission-critical Point of Sale and eCommerce SaaS platforms. This role balances technical execution, hands-on development, and cross-functional collaboration in a highly regulated, high-availability environment.

You will contribute to delivering secure, scalable, and reliable payment solutions while upholding a strong engineering culture.

Key Responsibilities

Technical Execution & Development

• Write, review, and maintain high-quality code across backend, frontend, and/or mobile systems.
• Uphold coding standards and architecture best practices.
• Participate in design and code reviews, contributing constructive feedback to peers.
• Contribute to technical documentation and architectural designs.
• Champion a culture of accountability, quality, and continuous improvement.

Cross-Functional Collaboration

• Communicate technical ideas and plans clearly in team settings.
• Translate product and business goals into well-scoped technical solutions.
• Communicate progress, risks, and tradeoffs to engineering teams and stakeholders.
• Work closely with customer support and operations on merchant-impacting issues.

Delivery & Engineering Excellence

• Partner with Product, Design, Compliance, SRE, and Operations to deliver POS, payment, loyalty, gift card, and other features end-to-end.
• Contribute to sprint planning, delivery predictability, incident follow-ups, and technical debt management.
• Implement and advocate for best practices in code quality, testing, observability, and CI/CD.
• Help guide architectural decisions for high-throughput, low-latency systems.

Cloud-Based Point of Sale & Platform Features

• Inventory Management and PO sync: Items matrices, Vendor Catalog, Purchase Order Management, Multi-store inventory.
• CRM: Customer details capture, purchase history tracking, targeted marketing campaigns, gift card management, and loyalty rewards.
• Sales & Promotions: Custom discounts, bulk pricing, time-sensitive promotions, and bundled offers.
• Reporting & Analytics: Detailed dashboards and exportable reports covering best-sellers, profit margins, and more.
• Employee Management: User roles, time tracking, permissions, and cross-location metrics.
• Payment: Integration with Quilt Payment or external payment providers.
• eCommerce Sync: Integration with Quilt's internal eCommerce module or platforms like Shopify and DoorDash.
• Support platform reliability, uptime, and data integrity for merchants and partners.
• Participate in incident response and post-mortems, contributing to long-term fixes.
• Support PCI DSS, SOC 2, and other compliance requirements.

Required Qualifications

• 5+ years of software engineering experience.
• Hands-on, full-stack development experience with React (frontend) and PHP/MySQL (backend) .
• Experience building and operating SaaS platforms at scale.
• Strong understanding of modern backend systems (APIs, microservices, databases, cloud infrastructure).
• Experience working in regulated or compliance-heavy environments with strong technical documentation practices.
• Effective communicator with the ability to collaborate across teams.

Preferred Qualifications

• Experience with POS systems, eCommerce, or fintech 
• Familiarity with PCI DSS, SOC 2, or financial compliance standards.
• Experience with cloud platforms (AWS, GCP, or Azure).
• Background in distributed systems, event-driven architectures, or real-time transaction processing.

What We Offer

• Opportunity to build software that powers real-world commerce at scale.
• Competitive salary and equity package.
• Comprehensive benefits (health, dental, vision, 401k, etc.).
• Flexible work environment.
• Strong emphasis on engineering quality and career growth.

Location: In-Person: Irvine, CA, Charlotte, NC or Provo, UT
Salary: 115-130k base Salary + Bonus