Senior .NET Backend Architect — Distributed Systems

Paessler GmbH

Kraków

On-site

PLN 240,000 - 400,000

Full time

14 days+

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Benefits offered by this job

Skill development opportunities

Innovative work environment

Structured onboarding

Flexible working hours

Permanent employment contract

International team with flat hierarch"

Job summary

Paessler GmbH is seeking an experienced senior software engineer to design, build, and maintain resilient backend services and cross-platform applications that run on Linux, Windows, and macOS. You will work on architecture, performance, and reliability.

The role emphasizes distributed systems design, integration of relational and time-series databases, and the use of modern DevOps practices. You will experiment with AI-assisted coding tools, participate in code reviews, and collaborate across

Qualifications

10+ years of software engineering on the .NET platform.
Extensive experience with .NET Core 9+.
Proven track record in designing high-concurrency distributed systems.
Experience developing services across Linux and Windows.
Strong SQL, schema design, and data integration.
Frontend skills with TypeScript, JavaScript, and HTML.
Experience with Docker, containerized workflows, GitLab, and Jira.
Experience with AI-powered coding tools.

Responsibilities

Design, build, and maintain backend services and cross-platform apps.
Architect distributed systems using modern patterns and Clean Code principles.
Integrate relational databases and time-series databases into core product architecture.
Explore AI/ML integrations for observability and automated diagnostics.
Collaborate across the lifecycle using Git-based workflows, GitLab CI/CD, and Jira.
Learn the inner workings of network and IoT monitoring systems.