Senior Software Engineer

Quilt•Charlotte, NC

3d•$115,000 - $130,000•Onsite

About The Position

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.

Requirements

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.
Applicants must be authorized to work for any employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time.

Nice To Haves

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.

Responsibilities

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.
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.
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.
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.