Senior Software Engineer, WebApp

About this role

Shipping & handling responsibilities System Design & Development: Build and maintain the full stack web application features including scalable, distributed microservices. Technical Leadership: Own complex features from technical design to production deployment adhering to high-performance and reliability standards. Engineering Excellence: Owning technical strategy to enhance and support core web application stack, ensuring performance and accuracy for high-throughput traffic. Operational Health: Participate in on-call rotations, troubleshoot production incidents, and maintain high SLAs. Collaboration & Mentorship: Collaborate with cross-functional teams (Product, Infrastructure, Designer, API Partners) and setting high engineering standards. Infrastructure: Improve CI/CD pipelines, container-based software distribution (Docker, Kubernetes), and observability. Your shipping requirements Minimum 8+ years of experience in software development Experience building and maintaining highly available, scalable web applications Proficiency in programming language and frameworks commonly used in full-stack development on distributed systems. (e.g.,React, Python, Go, Kafka, SQL, NoSQL) Strong understanding of software architecture, object-oriented programming, and design patterns. Experience with AI assisted development workflow. Can effectively communicate to stakeholders across different organizations within the company Strong interpersonal and collaboration skills, with the ability to work effectively across teams. BSc in a STEM field, with a preference for computer science and software engineering Bonus Experience with the shipping and logistics industry. Experience with shipping AI powered customer facing features 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 accommodations@shippo.com 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. 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 Software Engineer to join our WebApp team. Our business is rapidly expanding and we’re developing the new intelligent web application capabilities with the best-in-class user experience for our customers. At the same time, the customer base grew significantly in both diversity and complexity. As a Sr Software Engineer, you will be working together with a group of highly talented engineers and partnering with product managers and designers to deliver features to meet our customers’ demands. Stay connected to customer impact and contribute to decisions that balance technical quality with user experience.