Senior Software Engineer, Integrations

Overview A little about us…Fleetio is a modern software platform that helps thousands of organizations around the world manage their fleet operations. Transportation technology is a hot market and we’re leading the charge, with raving fans and new customers signing up every day. Fleetio is a proud founding member of the Rails Foundation, and we recently raised $450M in Series D in March 2025. Fleetio is seeking a Senior Software Engineer to join our Integrations team. In this role, you’ll work across the stack to deliver thoughtful, reliable solutions—building intuitive partner-facing experiences while supporting the backend systems and integrations that power them. You’ll play an important role in improving usability and design quality across the product, while also helping scale data flows and integrations with external partners. This is a remote opportunity open to candidates in the United States, Canada, or Mexico. Your Role and Responsibilities Collaborate closely with Product Managers, Designers, and Engineers to deliver high-quality solutions for Integration Partners. Build and evolve partner-facing user experiences with a focus on clarity, usability, and design consistency. Develop and maintain backend functionality that supports integrations, workflows, and data processing. Help design and implement new integrations with external partner systems and data sources. Work with complex and high-volume data to ensure reliability, performance, and accuracy. Contribute to technical and architectural decisions within the Integrations team. Deliver well-tested, maintainable, and performant code across the stack. Provide thoughtful code reviews and mentorship to help raise the quality and consistency of the team’s work. Participate actively in planning, discovery, and iterative improvement of features. Your Experience 5+ years of professional experience building production software with Ruby on Rails. 2+ years of experience building modern, user-focused web applications with React and TypeScript. Strong understanding of frontend best practices, including component architecture, state management, and performance considerations. Experience working closely with designers and translating designs into polished, accessible user interfaces. Experience building and consuming APIs and working with external integrations. Comfort working with data-intensive systems and complex business logic. Experience writing unit, integration, and UI tests. Familiarity with relational databases (PostgreSQL preferred). Strong written and verbal communication skills. Considered a Plus Experience improving or contributing to shared design systems or UI component libraries. Background working on partner-facing or B2B SaaS products. Experience with background processing, asynchronous workflows, or event-driven systems. Multiple health/dental coverage options (100% coverage for employee, 50% for family). Vision insurance Incentive stock options 401(k) match of 4% PTO - 4 weeks (increases at year two!) 12 company holidays + 2 floating holidays Parental leave - birthing parent (16 weeks paid) non-birthing (4 weeks paid) FSA & HSA options Short and long term disability (short term 100% paid) Community service funds Business expense stipend - $125 quarterly Fully stocked kitchen with tons of drinks & snacks (BHM only) Remote working friendly since 2012 #LI-REMOTE About Equal Employment Opportunity Fleetio provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment. We celebrate diversity and are committed to creating an inclusive environment for all. All employment is decided on the basis of qualifications, merit and business need. This application is not intended to and does not create a contract or offer of employment. Employment with Fleetio is at will. If you have a disability or a special need that requires an accommodation to fill out the online application, please let us know by calling View phone number on click.appcast.io. #J-18808-Ljbffr