Sr. Ruby on Rails Developer

About Kaseya

Kaseya is the leading provider of AI-powered IT management and cybersecurity software, serving Managed Service Providers (MSPs) and internal IT organizations worldwide. Our comprehensive platform helps organizations efficiently manage, secure, and automate their IT environments, driving operational efficiency and long-term business success.

Backed by Insight Partners, a leading global software investor, Kaseya has experienced sustained double-digit growth and continues to expand its global footprint. Today, Kaseya supports customers in more than 20 countries and manages over 15 million endpoints worldwide.

Founded in 2000, Kaseya has built a culture centered around innovation, accountability, and results. We are a high-growth, high-performance organization that values individuals who are driven, adaptable, and committed to delivering exceptional outcomes for our customers and teammates alike.

At Kaseya, success comes from embracing challenges, moving with urgency, and continuously raising the bar. 

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.

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.