Sr. Ruby on Rails Developer at Kaseya

Kaseya® is the leading provider of complete IT infrastructure and security management solutions for Managed Service Providers (MSPs) and internal IT organizations worldwide powered by AI. Kaseya’s best-in-breed technologies allow organizations to efficiently manage and secure IT to drive sustained business success. Kaseya has achieved sustained, strong double-digit growth over the past several years and is backed by Insight Venture Partners www.insightpartners.com), a leading global private equity firm investing in high-growth technology and software companies that drive transformative change in the industries they serve. Founded in 2000, Kaseya currently serves customers in over 20 countries across a wide variety of industries and manages over 15 million endpoints worldwide. To learn more about our company and our award-winning solutions, go to www.Kaseya.com and for more information on Kaseya’s culture. Kaseya is not your typical company. We are not afraid to tell you exactly who we are and our expectations. The thousands of people that succeed at Kaseya are prepared to go above and beyond for the betterment of our customers. Why Kaseya? Join a fast-growing company that’s transforming the IT industry. At Kaseya, you’ll have the opportunity to work with cutting-edge technology, collaborate with a dynamic team, and develop your career in a high impact role. Join the Kaseya growth rocket ship and see how we are #ChangingLives! Job Summary We’re hiring a Senior Backend Engineer to build and scale the backend systems behind our automated network penetration testing platform. This role focuses on developing reliable services, improving system performance, and supporting new product capabilities. You’ll work closely with engineering and security teams to deliver production-ready systems that handle real-world security workloads. Roles & Responsibilities • Build and maintain backend services using Ruby on Rails in a production environment • Implement and manage background job processing using Sidekiq and messaging systems such as RabbitMQ • Partner with security and research teams to support new platform capabilities • Improve performance, scalability, and reliability of existing services • Write and maintain technical documentation and code comments • Review code and ensure adherence to team standards • Investigate and resolve production issues • Support and mentor junior engineers Required Qualifications • 5+ years of professional experience building backend applications using Ruby on Rails • 2+ years of experience using Sidekiq in a production environment • Daily use of Linux in a development or production environment • Experience using Git for version control, including pull request workflows • Experience building and maintaining production systems (deployed, monitored, and supported) Preferred Qualifications • Experience working with networking concepts or protocols • Exposure to penetration testing or security-focused environments • Familiarity with containerization technologies (e.g., Docker) • Experience working on performance optimization or scalability improvements • Interest in automation and improving engineering efficiency • Experience using AI-assisted development tools (e.g., GitHub Copilot, ChatGPT) to improve productivity • Experience collaborating with cross-functional teams (e.g., security, research) Additional Information Kaseya provides equal employment opportunity to all employees and applicants without regard to race, religion, age, ancestry, gender, sex, sexual orientation, national origin, citizenship status, physical or mental disability, veteran status, marital status, or any other characteristic protected by applicable law. Join the Kaseya growth rocket ship and see how we are #ChangingLives ! Additional information Kaseya provides equal employment opportunity to all employees and applicants without regard to race, religion, age, ancestry, gender, sex, sexual orientation, national origin, citizenship status, physical or mental disability, veteran status, marital status, or any other characteristic protected by applicable law.