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Staff Software Engineer

Kaseya

Kaseya

Software Engineering
Kraków, Poland
Posted on Jun 6, 2025

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, please click here: Kaseya 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.

Staff Software Engineer

Datto’s SaaS Defense team is looking for experienced senior backend software engineers who will take the reins on a project for defense from email phishing for businesses.

The people in this position will take the main technical authority for the SaaS Defense product.

Responsibilities

  • Lead the development of the SaaS Defense project and take responsibility for the technical aspects of the SaaS Defense system.
  • Work with a team of frontend, backend, and DevOps engineers to repair, improve, and optimize existing features from all parts of the project.
  • Rewrite core features and libraries, plan, implement, and rebuild the system’s architecture.
  • Document the system’s features and code.
  • Define and create new features on top of existing ones in the system.

Qualifications

  • At least 6 years of experience in backend development.
  • Deep knowledge and experience with Python.
  • Ability to see systems from both a high and low-level perspective and understand and define the connections between its components.
  • Knowledge and experience with microservice architecture, RabbitMQ, Docker, and Kubernetes.
  • Knowledge and experience with MongoDB, Redis, and MySQL.
  • Experience with Widnows & Linux.
  • Experience in defining and writing automated software tests – unit tests, component tests, and infrastructure tests.
  • Being a highly independent, highly motivated, and dependable individual.
  • Excellent verbal and written communication skills in English.

Advantages

  • Background in the field of cybersecurity.
  • Love for reverse engineering.
  • Experience with C/C++.
  • Experience with JS, React.
  • Familiarity with Azure.

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.