Senior Software Engineer, Address & Tracking

About Shippo At Shippo, our vision is bold and clear: we are the shipping layer of the internet. Our mission is to make every merchant successful through excellent shipping, delivering world-class logistics technology and infrastructure. We’re building the backbone of global e-commerce — connecting merchants to carriers worldwide through a single API and intuitive dashboard. As a remote-first and globally distributed team , we believe flexibility fuels trust, autonomy, and performance. Our diverse perspectives — across continents, cultures, and time zones — drive our innovation and enable us to build solutions used by businesses everywhere. We invest in modern, scalable technology so our teams can build, ship, and iterate with confidence. Your impact starts here: every person at Shippo plays a direct role in shaping the infrastructure that powers global commerce and makes shipping simpler for businesses around the world. How we will deliver success together: We are looking for a Senior Backend Engineer to join our Address Validation, Tracking, and Pickups team! This team is responsible for developing new features, building infrastructure, and maintaining current services. You will become a domain expert on Shippo’s approach to 1) sending updates to customers about the status of their packages and 2) validating address locations across the world. Shipping & handling responsibilities Implement, test, and deploy software services with high SLAs that can handle millions of requests a day with a BDD approach. Verify and ensure performance and correctness of systems in response time and throughput. Refactor existing systems for optimal performance and reuse. Contribute to design reviews, participate rigorously in peer reviews, and build automated test suites for new features, products, and systems. Work with a sense of urgency and iterate quickly in an Agile process. Exceptional problem solving skills: demonstrated ability to understand business challenges and translate those into technical solutions. Join the on-call rotation and respond quickly to system incidents. Your shipping requirements 8+ years of experience in software development. Coding experience in server-side programming languages (e.g. Python, Go, Java, Ruby) as well as database languages (SQL). Experience working with server-side MVC frameworks (e.g. Django, .NET, Spring, Rails, Phoenix). Solid understanding of object-oriented programming and familiarity with various design and architectural patterns. Ability to look ahead to identify opportunities, foster a culture of innovation, and build for scale. High ownership and attention to system reliability and monitoring. Core behaviors focused on craftsmanship, continuous improvement, and team success. BS or MS degree in Computer Science or equivalent experience. Bonus Prior experience working or interacting with shipping and/or postal carriers. Experience integrating with APIs that use SOAP and/or gRPC protocols. Experience with Django and/or FastAPI. Experience using Python and/or Golang in production at scale. Interest and experience in performance tuning, concurrency, microservices, security, and data analytics. Experience with messaging systems such as NSQ, Kafka, SQS and Celery Experience with DevOps tooling such as Docker, Terraform, Kubernetes, CircleCI, GitHub Actions, ArgoCD, New Relic, PagerDuty, etc Experience with AWS/Cloud services such as EC2, S3, DynamoDB, Lambda, Route 53, Cloud Formation, Cloudflare, Elastic Beanstalk, IAM, etc. Sail through the process: Here at Shippo, we celebrate inclusivity and are committed to creating equal access to opportunities for people from all backgrounds, perspectives and geographies. These values define who we are and everything we do. 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 [email protected] Shippo s in the wild: Our people, much like the packages we help ship, are all over the world. This means, through our remote-first program, “Shippos Everywhere”, our roles can 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 of the US and Ireland, the employment contracts are powered by R ippling.com.