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Senior Software Engineer

Kaseya

Kaseya

Software Engineering
Kraków, Poland
Posted on Jun 30, 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.

About the Role:
Kaseya is seeking a talented and experienced Full-Stack Senior Software Development Engineer to play a key role in building the future of our Backup Portal platform. You will contribute to both front-end and back-end development as part of a dynamic, cross-functional team focused on delivering mission-critical features in a fast-paced, agile environment.

This is an exciting opportunity to join an experienced team of platform engineers, QA specialists, and DevOps professionals who are committed to innovation and quality. Your work will have a direct impact on the evolution of the Backup Portal—Kaseya’s next-generation backup solution.

What You’ll Do:
Take ownership of end-to-end development for new features and enhancements across the stack

Collaborate with product managers, designers, and fellow engineers to define requirements, propose solutions, and estimate efforts using Agile methodologies

Ensure code is well-designed, secure, scalable, and adheres to performance and reliability standards

Address technical challenges with creativity and provide long-term, maintainable solutions

Participate in code reviews, testing, and deployment processes as a key member of a highly engaged team

Required Skills & Experience:
3+ years of experience in full-stack development with .NET (C#)

Strong proficiency with React and TypeScript

Experience working with Docker and Kubernetes

Solid experience with relational databases (e.g., SQL Server, PostgreSQL)

Familiarity with development tools such as JIRA, Jenkins, and CodeCommit (or similar)

Proficient in the full software development lifecycle: design, implementation, testing, and deployment

Strong analytical and design skills with a proactive and quality-focused mindset

Preferred Qualifications:
Experience in designing and building GraphQL and RESTful APIs

Understanding of OpenID Connect and authentication protocols

Hands-on experience with AWS and cloud-native architectures

Familiarity with monitoring, logging, and metrics tools

Background in performance optimization and debugging

Exposure to microservices architecture and distributed systems

Familiarity with Golang and willingness to contribute to services built in Go

Adaptability and openness to working with different technology stacks as the platform evolves

Why Join Kaseya:
At Kaseya, we foster a culture that values innovation, collaboration, and individual impact. We offer a supportive environment where engineers are empowered to do their best work and grow their careers while building solutions that matter. You'll be joining a team where your contributions directly influence the success of the company—and the satisfaction of our global customer base.

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.