Senior Software Engineer, Backend, QuickPack

Shippo is the shipping layer of the internet. We help merchants succeed through world-class shipping by connecting e-commerce businesses, marketplaces, and platforms to shipping carriers worldwide via a single API and dashboard. We provide competitive shipping rates, print labels, automated international documents, shipment tracking, returns processing, and more.

We are looking for a Senior Software Engineer to join our App team. In this role you will work closely with front-end developers, lead other engineers, and contribute to end-to-end delivery of next-generation back-end systems to support our growing business and new products.

• Lead the design, implementation, testing, and deployment of backend services with high SLAs, capable of handling millions of requests daily
• Drive scalability and maintainability through microservices, decoupled architectures, queuing, and containerized deployments
• Own and evolve CI/CD pipelines to ensure smooth, automated, and reliable releases
• Monitor, debug, and optimize backend systems for responsiveness, throughput, and cost efficiency
• Design and maintain database schemas for large-scale, performant services
• Refactor and architect systems for long-term performance, security, reliability, and reuse
• Lead peer design and code reviews; mentor others in testing, design patterns, and architectural best practices
• Collaborate with product, design, and business teams to shape requirements and ensure alignment with customer value
• Champion QA automation and operational excellence, ensuring systems scale vertically and horizontally
• Lead on-call rotations, driving incident resolution and long-term improvements to system resilience
• Provide early technical input on new product ideas, helping translate them into scalable, maintainable designs

• 6+ years of backend software development experience with a proven record of leading technical projects
• Demonstrated success designing and delivering scalable APIs, services, and distributed systems
• Proficiency in server-side languages (Go, Python, Java, Ruby) and database languages (SQL)
• Strong experience with server-side frameworks (Django, .NET, Spring, Rails, Phoenix)
• Proficiency with NoSQL technologies (DynamoDB) and event-driven cloud architectures (queues, serverless compute, data streaming)
• Deep understanding of OOP, design patterns, and architectural best practices; ability to guide others in applying them
• Proficiency with cloud platforms (AWS, GCP, Azure) and containerization (Docker, Kubernetes); advanced expertise in building APIs (REST, GraphQL, gRPC)
• Expertise with AWS/Cloud Services
• Strong leadership in debugging, performance optimization, and system scalability
• Exceptional communication skills; able to align engineers, cross-functional peers, and stakeholders
• Customer-centric mindset with the ability to balance technical trade-offs against business impact
• BS in Computer Science or related field (or equivalent experience)

• Experience in shipping or logistics
• Hands-on with DevOps tooling (Docker, Terraform, CircleCI, New Relic, PagerDuty)
• Integrating with devices and device management (QR, Barcode, Third-Party print solutions)

Here at Shippo, we celebrate inclusivity and are committed to creating equal access to opportunities for people from all backgrounds, perspectives and geographies. All qualified individuals are encouraged to apply. If you need assistance, or a reasonable accommodation during the application and recruiting process, please contact us at

Our remote-first program, “Shippos Everywhere”, allows roles to be based anywhere in the US with the exception of Delaware, Nevada, Ohio, Oregon, Hawaii, New Mexico and West Virginia, and many roles can be based internationally. For locations outside the US and Ireland, employment contracts are powered by Remote.com.