Enior .NET Engineer – (DevOps oriented) - RemoteAt Q-tech, we're partnering with a well-established fintech company that develops advanced banking-connectivity and cash-management solutions for large enterprises and financial institutions across more than 15 countries.We are currently looking for aSenior Engineer (C#/Azure)with a strong ownership mindset to drive the evolution of their core platform.The product is B2B, highly critical, fully audited, and directly connected to international banks.They are looking for someone who combines solid .NET backend expertise with real-world experience in Azure, DevOps, and Infrastructure as Code, and who is comfortable working in hybrid environments (cloud + on-prem infrastructures for clients).What you'll doDesign and implement backend services inC# / .NET (ASP.NET Core)with a focus on reliability, scalability, and best engineering practices.Define versioned and stable APIs followingschema-firstmodels to ensure long-term compatibility and traceability.Design and maintaindata models, audit models, and key event-driven flows for reporting and regulatory compliance.Apply critical backend patterns and engineering standards.Contribute to distributed systems with asynchronous processing and messaging.Participate in the design and maintenance ofAzure infrastructureusingInfrastructure as Code.Optimize SQL performance, diagnose queries, read execution plans, and propose performance improvements.Collaborate closely withQA, Security and Datateams to ensure a robust and auditable product.