.NET Developer (Mid/Senior)

About QnR Group JOIN THE NEXT TECHNOLOGY POWERHOUSE 🚀 QnR Group is a technology group with 35 years of experience, 8 companies, 4 delivery centers and 210+ professionals across Greece, Belgium, Cyprus and Poland. Listed on the Athens Stock Exchange since 2000, we deliver mission-critical digital transformation projects for the public and private sector. The Group's capabilities covers software engineering, enterprise and generative AI, cybersecurity, cloud infrastructure, SAP and ServiceNow solutions, core banking and maritime intelligence. About QnR Quality & Reliability (QnR), the parent company of QnR Group, specializes in digital transformation for government and the public sector. The company designs, develops and implements mission-critical software solutions that support public services, modernize processes and address complex operational needs. Combining technology expertise with extensive public-sector experience, QnR delivers systems that support institutions, organizations and citizens. Role overview Are you a .NET Developer? Think bigger about your next move! We are looking for a .NET Developer to design, develop and maintain secure applications. The role covers the full software development lifecycle, from technical design and implementation to testing, deployment and ongoing maintenance. You will work closely with engineers, Product Owners, and QA teams on features that are delivered directly into production. Requirements The ideal candidate will be responsible for: Designing, developing, and maintaining backend applications using .NET and C#Translating product and business requirements into scalable technical solutions Building secure and high-performing RESTful APIs Collaborating with Product Owners, QA engineers, and cross-functional teams during all development stages Writing clean, reusable, and testable code in line with coding standards and best practices Participating in sprint planning, estimations, retrospectives, and other Agile/Scrum ceremonies Supporting and enhancing CI/CD pipelines, deployment flows, and test automation processes Contributing to technical design discussions and architecture improvements Working alongside senior engineers on system design decisions and performance optimization initiatives To excel in this role, you'll need: 3+ years of professional experience in backend development with .NET and C#Strong hands-on experience building and integrating RESTful APIsGood understanding of SOLID principles, object-oriented programming, and common design patternsExperience maintaining backend systems and services in production environmentsFamiliarity with Docker, Azure, or another cloud platformExperience with CI/CD tools and modern software delivery practicesPrevious involvement in Agile/Scrum teams and collaborative development environmentsStrong analytical and problem-solving skillsStrong English communication skills