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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Developer .NET - **Company:** Paessler - **Location:** France - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Clean Code Principles, HTML, JavaScript (Programming Language), .NET Framework, LTE (Telecommunication), Microsoft Windows, Artificial Intelligence, Amazon Web Services, Apple Mac Systems, JIRA, Automation of Tests, Microsoft Azure, C Sharp (Programming Language), Cloud Computing, Software Quality, Code Review, Databases, Continuous Integration, Data Integration, Relational Databases, Cursor (Graphical User Interface Elements), Software Debugging, Software Design Patterns, Linux, Distributed Systems, Monitoring of Systems, Network Architecture, Network Monitoring, Paessler Router Traffic Grapher, Software Architecture, Query Optimization, Tensorflow, Standard Sql, Software Engineering, TypeScript, .NET Core, GitHub Copilot, Large Language Models, Backend, Gitlab, Git, Gitlab-ci, Git Flow, Kubernetes, Low Latency, Influxdb, Machine Learning Operations, Front End Software Development, Docker - **Published:** September 5, 2026 - **Apply:** https://jobs.paessler.com/Senior-Software-Developer-NET-eng-f890.html ## About the Role * Experience Level: 10+ years of software engineering experience on the .NET platform with deep mastery of C#. * Modern .NET Stack: Extensive experience with .NET Core 9+, utilizing current platform capabilities and high-performance paradigms. * Distributed Systems: Solid track record designing, building, and debugging complex, high-concurrency distributed systems. * Cross-Platform Engineering: Hands-on experience developing and deploying services across Linux and Windows (macOS environment experience is a plus). * Databases & Data Integration: Strong knowledge of SQL, schema design, query optimization, and enterprise database integration. * Full-Stack / Web Foundations: Proficiency in modern frontend technologies including TypeScript, JavaScript, and HTML. * Containers & CI/CD: Solid experience with Docker, containerized workflows, Git, and automated CI/CD practices (GitLab, Jira). * AI-Assisted Engineering: Demonstrated experience or active engagement with AI-driven coding tools (e.g., GitHub Copilot, Cursor, LLM-based tools) to accelerate software delivery. Nice-to-Have Qualifications * Orchestration & Cloud: Hands-on experience with Kubernetes (k8s) and public cloud deployment patterns (AWS/Azure/GCP). * Domain Experience: Background in network infrastructure, network monitoring, or IoT sensor data ingestion systems. * Specialized Storage: Familiarity with high-throughput Time-Series Databases (e.g., InfluxDB, TimescaleDB, QuestDB). * System-Level Languages: Production experience with Rust, or a strong willingness to learn and apply Rust where ultra-low latency or explicit memory control is needed. * AI/ML Integration: Hands-on experience embedding AI/ML frameworks or models into enterprise backend workflows. Soft Skills & Working Style * Strong technical leadership, analytical thinking, and a pragmatic problem-solving mindset. * Commitment to code quality through peer reviews, automated testing, and clean design. Enthusiasm for learning domain-specific protocols and deep network/IoT domain internals. ## Description Are you an experienced .NET developer ready to take on greater technical responsibility and help steer the direction of a core product used by IT teams around the world? Our PRTG Core Team is looking for a Senior Software Developer to drive the architecture, quality, and long-term evolution of the features our enterprise customers depend on every day. You'll play a key role in shaping technical decisions, mentoring colleagues through code reviews and knowledge sharing, and working closely with our product manager to turn ideas into robust, scalable solutions. As part of Paessler you'll have the autonomy to make a real impact, explore emerging technologies like AI/ML and Rust, and grow into a role with broad technical ownership within an enthusiastic, international team., * Design, build, and maintain resilient backend services and cross-platform applications supporting Linux, Windows, and macOS. * Architect distributed systems following modern software architecture, Clean Code principles, and proven design patterns. * Integrate traditional relational databases and high-performance time-series databases into the core product architecture. * Leverage modern AI tools within the development lifecycle and explore AI/ML integrations for system observability and automated diagnostics. * Collaborate across the full lifecycle using modern Git-based workflows, GitLab CI/CD pipelines, and Jira. * Learn the inner workings of specialized network and IoT monitoring systems to contribute to core domain engineering. ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)