Company Description: We are an international group of over 300 employees and collaborators. We create reliable and intuitive software solutions offered as Software as a Service (SaaS). Our products are sold in more than 150 countries and are translated into over 15 languages worldwide. Visit our website: www.avanquestgroup.com We are: a multicultural collaborative group. an ambitious company in rapid development. a place where each Talent has its place to contribute its know-how and have a real impact on large-scale projects. an environment where productive initiatives are always recognized at their true value About the Department ou Will Work in: We design and operate complex e-commerce and licensing platforms for our B2B and B2C products. Our systems cover the full customer lifecycle — from purchase and license management to after-sales and support. To strengthen our backend team, we are looking for an experienced developer who is eager not only to code but to actively shape and improve our systems. Your Responsibilities: Reporting to the Manager, Web Software Development, the .NET Web Developer will play a key role in developing and maintaining backend services that support our e-commerce and licensing platforms. This position involves close collaboration with cross-functional teams to deliver reliable, scalable solutions and continuously improve our systems across the full customer lifecycle. Your main responsibilities will be: Develop and maintain .NET -based backend services for e-commerce, licensing, and web platforms Analyze business requirements from presales, sales, support, and after-sales processes Build robust APIs and data-driven solutions with a strong focus on reliability and scalability Contribute to system architecture and enhance existing components and services Act as a technical contact for adjacent teams (frontend, product, support) Ensure high code quality, performance, and maintainability Optional: Support DevOps processes (CI/CD, monitoring, deployments) and automations Your Profile: 5 years of experience in backend development with .NET and .NET Core/.NET Framework Strong knowledge of databases (PostgreSQL, MongoDB, Elasticsearch, Redis ) including ORM (Entity Farmwork optimization techniques) Queue Systems like Kafka or RabbitMq CQRS & Objects Mediation patterns, Design Patterns, Event Driven Architecture, MVC & CLEAN principles Experience with microservices and containerized infrastructure (Kubernetes) Ability to understand complex systems and translate business needs into clean, efficient code Proactive mindset, structured work style, and strong collaboration skills focused on cross- team communication Familiarity with additional languages in our stack ( golang, PHP, Node.js, JVM/Scala/Java ) is a plus Nice to have: experience with e-commerce platforms or licensing workflows Our Tech Stack Languages: C#/ .NET Framework, nice to have : Go, JVM (Scala/Java), PHP, TypeScript/JS Infrastructure: Git, Kubernetes /docker, CI/CD Databases: PostgreSQL, MongoDB, Elasticsea rch What we offer: A fair compensation for your value. Competitive corporate benefits; An open and supportive environment as well as a modern and exciting workplace. We are committed to maximizing your potential and ensuring your professional development. Interaction with local and international teams. A friendly and collaborative work environment, where authenticity and well-being are a priority. Hybrid mode.