Sr. Software Engineer (Payment Squad)

Qu is looking for a Senior Software Engineer to join our Payments team. This role is central to building and maintaining high-performance, secure payment processing systems that power restaurant chains globally. You will work on scalable cloud services, ensuring reliability and security for millions of transactions.

At Qu you will:

• Design and develop scalable, secure, and reliable payment processing services.
• Collaborate with cross-functional teams to integrate payment gateways and financial services.
• Optimize system performance and troubleshoot complex issues in production environments.
• Ensure PCI compliance and implement industry-standard security practices.

What we're looking for:

• 5+ years of software engineering experience with a focus on backend systems.
• Strong proficiency in Java, Go, or Python.
• Experience with cloud platforms like AWS or Google Cloud.
• Solid understanding of microservices architecture and RESTful APIs.
• Deep understanding of payment flows, including authorization, tokenization, settlement, and reconciliation, within secure, distributed backend architecture.
• Strong knowledge of Payment Card Industry (PCI) considerations and experience in designing systems for secure handling of sensitive financial data, consistency, and auditability.

Desired Qualifications:

• Previous experience in fintech or payments industry.
• Knowledge of Kubernetes and containerization.
• Familiarity with SQL and NoSQL database technologies.
• Background in restaurant, retail, or POS ecosystems and familiarity with store group hierarchies, check data, or tag-based filtering.
• Familiarity with Azure DevOps tools, in conjunction with the Atlassian product suite (Jira, Confluence, Rovo, etc.)