Sr. Software Engineer (Python)

Kaseya Limited; Kraków; Hybrid; PLN 240,000 - 300,000; Full time

Job summary

A leading IT infrastructure and security provider in Poland seeks a Senior Python Developer to design and architect large-scale systems. The role requires expertise in Python and proficiency in distributed systems and microservices architecture. You will lead the development of robust software platforms and collaborate with cross-functional teams. The position mandates 3 days onsite work in Krakow. Competitive salary and growth opportunities included.

Qualifications

• 7+ years of experience developing end-to-end scalable solutions using Python.
• Experience in managing and mentoring other engineers.
• Proficiency in vector databases.

Responsibilities

• Architect, design, and implement large-scale distributed systems using Python.
• Build and maintain high-performance platforms.
• Design data processing pipelines.
• Collaborate with teams to translate business needs into solutions.
• Drive code quality and performance through reviews.
• Integrate AI/ML components to enhance systems.

Skills

Python for backend development

Distributed systems

Microservices architecture

API design

Containerization (Docker)

Orchestration (Kubernetes)

Data engineering concepts

Strong problem-solving skills

Excellent communication skills

Education

Bachelor's or Master's degree in Computer Science, AI/ML, or related field

Tools

ClickHouse

TensorFlow

PyTorch

Scikit-learn

Job description

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, 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.

Job Type: Full‑Time Experience Level: Senior (7+ years)

We are looking for an experienced Senior Python Developer who excels at designing and architecting large‑scale systems. In this role, you will be responsible for leading the development of robust, high‑performance software platforms from the ground up. You’ll define architecture, guide technical decision‑making, and ensure that our systems are reliable, maintainable, and built for growth. While experience with AI and automation is a plus, your core strength will be scalable architecture, distributed systems, and engineering leadership. You’ll collaborate across teams to deliver systems that power critical business functions and enable innovation.

Essential Duties and Responsibilities

• Architect, design, and implement large‑scale, distributed systems using Python
• Build and maintain scalable, secure, and high‑performance platforms
• Design data processing pipelines to handle large volumes of structured and unstructured data
• Collaborate with product and engineering teams to translate business needs into technical solutions
• Drive code quality, performance, and maintainability through reviews, standards, and mentorship
• Ensure solutions meet scalability, availability, and reliability requirements
• Integrate AI/ML components where appropriate to enhance system capabilities
• Stay current with modern architecture patterns, tools, and best practices.

What You’ll Bring

• Proven track record in architecting and delivering complex, high‑scale systems
• Strong proficiency in Python for backend development
• Expertise in distributed systems, microservices architecture, and API design
• Experience with vector databases (e.g., ClickHouse)
• Proficiency with containerization (Docker) and orchestration (Kubernetes)
• Familiarity with data engineering concepts (ETL, batch, and streaming pipelines)
• Strong problem‑solving skills and ability to make high‑impact technical decisions
• Excellent communication and leadership skills

Experience and Qualifications Required

• Bachelor’s or Master’s degree in Computer Science, AI/ML, or related field.
• Proficient English.
• 7+ years of experience developing end‑to‑end scalable solutions using Python.
• Experience as a leader, managing and mentoring other engineers.
• Experience with vector databases

Experience with Kubernetes Preferred

• Proven leadership in extracurricular activities or community involvement, showcasing the ability to take initiative and lead in diverse environments.
• Track record of exceptional personal achievements, such as awards, competitions, or ambitious self‑driven projects, reflecting discipline and a high level of motivation.
• Published research or contributions to open‑source projects.
• Experience with AI domains such as NLP, computer vision, or reinforcement learning.
• Experience with frameworks (TensorFlow, PyTorch, Scikit‑learn)

We work 3 days at Kaseya Krakow office per week, which is mandatory.

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.