Staff Software Engineer - Marketplace

Responsibilities

• Own production commerce services end-to-end, including merchant portals, partner integrations, marketplace platforms, billing engines, fulfillment applications, and support tooling.
• Deliver measurable improvements to merchant onboarding, payment reconciliation, service reliability, and customer-impacting downtime.
• Lead cross-functional launches by defining success criteria, rollout and rollback plans, coordination processes, and post-launch remediation.
• Build marketplace policy and control tooling for pricing, capacity allocation, prioritization, feature gating, experimentation, and mission-data simulation.
• Develop POS connectors, APIs, and data feeds with SLAs, backpressure handling, and schema and version migration strategies.
• Define SLOs and maintain monitoring, dashboards, alerting thresholds, runbooks, and on-call rotations.
• Mentor engineers, lead architecture reviews, and establish durable abstractions across products.

Requirements

• At least 5 years of experience building and shipping production distributed systems and web applications.
• Demonstrated ownership across frontend, backend, and data or streaming pipelines.
• Production experience shipping transactional commerce, payments, billing, or marketplace systems at scale, or equivalent experience operating financial reconciliation and settlements pipelines.
• Strong skills in API design, ledger data modeling, eventual consistency, schema migrations, idempotency, and retry semantics.
• On-call and incident-leadership experience, including runbook authorship, root-cause analysis, and remediation work.
• Ability to define and achieve measurable operational and business outcomes and communicate trade-offs using data.
• Deep proficiency in Go, Python, or another scalable backend language.
• Experience with React or a similar framework for merchant-facing applications, plus Kafka, gRPC, PostgreSQL, AWS, Grafana, Honeycomb, and Bazel.
• Ability to support occasional off-hours launches and urgent incidents and travel regularly to partner sites, typically up to approximately 20%.
• Strong attention to correctness and financial edge cases, measurable ownership, accountability, and simplifying complex systems into durable abstractions.
• Zipline can sponsor visas.

Benefits

• Starting cash range of $180,000-$270,000, excluding additional compensation components.
• Potential equity compensation, overtime pay, discretionary annual or performance bonuses, and sales incentives.
• Medical, dental, and vision insurance and paid time off may be included in the benefits package.
• Hybrid work is preferred near the primary office for cross-functional coordination.
• The role typically requires up to approximately 20% multi-day travel to partner sites and occasional weekend or evening production support.