# Senior Software Engineer, Integrations
**Company:** [Fleetio](https://hotfix.jobs/companies/fleetio)
**Location:** Remote
**Experience:** 5+ years
**Skills:** Ruby on Rails, React, TypeScript, Postgres, APIs, Unit Testing, Integration Testing, Ui Testing, State Management, Design Systems
**Posted:** 2026-05-01
> Builds partner-facing integrations across full stack, focusing on reliable backend systems, intuitive React/TypeScript UIs, and data flows with external partners. Requires 5+ years Ruby on Rails, 2+ years React/TypeScript, API experience.
## Job Description
## 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.

## Requirements
- 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.

## Nice-to-Haves
- 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.

## Benefits
- 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
- Professional development funds
- Wellbeing fund - $150 quarterly
- Business expense stipend - $125 quarterly
- Mac laptop + new hire equipment stipend
**Apply:** https://hotfix.jobs/jobs/senior-software-engineer-integrations-at-fleetio-c25bcea2-e274-4da4-b6c4-8937afd376a5
**Canonical:** https://hotfix.jobs/jobs/senior-software-engineer-integrations-at-fleetio-c25bcea2-e274-4da4-b6c4-8937afd376a5