Jonas Software
1001 - 5000 employees
Jonas Software is the leading provider of enterprise management software solutions to over 40 different vertical markets. Within these vertical markets, Jonas has acquired over 160 unique and innovative companies.
Senior Backend Engineer
Job not on LinkedIn
🕒 March 20
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Jonas Software
1001 - 5000 employees
Jonas Software is the leading provider of enterprise management software solutions to over 40 different vertical markets. Within these vertical markets, Jonas has acquired over 160 unique and innovative companies.
📋 Description
• Own major components of a new SaaS platform from design through production • Build event-sourced, CQRS-based services in C#/.NET using DDD principles • Design clean domain models, message contracts, and integration patterns using RabbitMQ • Deliver cloud-ready solutions using Docker and AWS (deployment, observability, reliability) • Apply an AI-first approach to engineering: agentic AI tools, automated workflows, code generation/review, test generation, and productivity accelerators • Partner with product and engineering leaders to define architecture, standards, and delivery practices • Write high-quality, well-tested, maintainable code and raise the bar through reviews and mentorship
🎯 Requirements
• AI-first mentality with practical experience using AI tools to accelerate development • Senior-level experience building production systems with C#/.NET • Hands-on experience with Event Sourcing and CQRS in real-world systems • Strong working knowledge of Domain-Driven Design (DDD) • Experience with Vertical Slice architecture (or similar modular service boundaries) • Solid experience with PostgreSQL • Experience with asynchronous messaging and integration patterns, ideally RabbitMQ • Experience containerizing services with Docker • Experience building/operating cloud-hosted applications, ideally on AWS • Familiarity with agentic AI concepts (autonomous workflows, tool-using agents, orchestration, evaluation/guardrails) and excitement to apply them in day-to-day engineering • Strong ownership mindset: you ship, you improve, you operate, you lead
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