Staff Software Engineer, Backend - Commerce Platform

What You'll Do

• Build robust, and scalable backend capabilities using Python and FastAPI, supporting critical commerce domains like payments, pricing, and invoicing
• Lead cross-functional technical efforts — collaborating closely with product managers, designers, and engineers from adjacent teams to ensure alignment and technical integrity across boundaries
• Drive engineering excellence through best practices in testing, monitoring, observability, and performance optimization
• Define and maintain SLIs/SLOs in collaboration with product, infra and other development teams
• Participate in on-call rotations to ensure reliability of commerce systems

What You’ll Bring to the Team

• 7 - 10+ years professional backend software development experience
• Proficient in Python (preferred - we have some language flexibility!), relational databases, and frameworks like Django or FastAPI, with hands-on experience in metrics instrumentation and data-driven performance tuning using tools like Datadog
• Proven experience building and maintaining high-scale backend systems, ideally in commerce, fintech, or healthcare settings
• Deep understanding of distributed systems—data consistency, communication patterns, and service boundaries—backed by hands-on experience building and maintaining high-traffic production systems.
• Excellent communication skills and the ability to lead cross-functional technical projects
• A sharp focus on quality and risk—you move with urgency while safeguarding against issues like double charges, misbilling, or inconsistent payment states

Bonus Skills

• Experience in telehealth or other highly regulated industries
• Deep familiarity with breaking down monolithic systems into well-defined domains

We’ve Got You Covered

• Full medical, dental, and vision insurance + OneMedical membership
• Healthcare and Dependent Care FSA
• 401(k) with company match
• Flexible PTOWellbeing + Learning & Growth reimbursements
• Paid parental leave + Fertility benefits
• Pet insuranceStudent loan refinancing
• Virtual resources for mindfulness, counseling, and fitness