Software Engineer, Commerce

Kajabi is undergoing a significant transformation and is seeking a Software Engineer to join their Commerce team. The role focuses on building systems that power payments, checkout, subscriptions, and monetization, while ensuring product reliability and user experience. Responsibilities: Own and contribute code across the commerce systems your team is responsible for, including checkout flows, subscriptions, invoicing, and tax-related logic, using Ruby on Rails; Build and improve React-based user interfaces that make payment and monetization workflows clear, intuitive, and reliable for our creators; Integrate and use AI tooling and agents to improve development workflows and support user-facing product features; Collaborate with Product, Design, QA, and Data partners to deliver features that meet user needs and performance goals; Communicate clearly about what's needed when working with teammates on shared parts of the system — whether that's defining API contracts, explaining UI states, or making sure test coverage is solid; Write clean, testable, and maintainable code, and contribute thoughtful, constructive feedback in code reviews; Support the reliability and security of payment systems by following PCI compliance and fraud prevention best practices; Contribute to monitoring and observability efforts using Datadog, helping identify, troubleshoot, and resolve production issues; Understand how the systems you own are deployed and monitored, and participate in incident response and triage when issues arise Qualifications: Solid skills in Ruby on Rails, React, and Postgres; Hands-on experience using AI tooling, including agents, to drive smarter workflows and user-facing features; Experience owning and contributing code across commerce systems, including checkout flows, subscriptions, invoicing, and tax-related logic; Ability to build and improve React-based user interfaces for payment and monetization workflows; Experience integrating and using AI tooling and agents to improve development workflows; Collaboration skills with Product, Design, QA, and Data partners to deliver features that meet user needs and performance goals; Clear communication skills about what's needed when working with teammates on shared parts of the system; Ability to write clean, testable, and maintainable code, and contribute thoughtful feedback in code reviews; Knowledge of PCI compliance and fraud prevention best practices; Experience contributing to monitoring and observability efforts using Datadog; Understanding of system deployment and monitoring, and participation in incident response and triage Required Skills: Ruby on Rails, React, Postgres, AI tooling, Stripe APIs