At , we’re redefining how people use credit. We are the first interest-free and no-annual-fee credit card in Mexico, designed to simplify personal finances and give users complete control - all from a mobile app. With NOVACARD, users can access up to $200,000 MXN in credit, only pay when they use it, and manage everything digitally in under 5 minutes. Our mission is to empower people to make smarter financial decisions by offering flexibility, transparency, and the freedom they need to reach their goals. Simple finances, big goals.About the RoleWe're looking for a Senior .NET Developer to join our team working on enterprise CRM systems. You will be responsible for developing APIs, integrating with external and internal systems, designing databases, and optimizing system performance. This is a hands-on role with a strong focus on backend architecture, system scalability, and clean code.Key ResponsibilitiesDevelop and maintain APIs for integration with external and internal systemsSupport and enhance existing CRM solutionsDesign and optimize relational database structuresAnalyze software performance and optimize both backend code and database queriesContribute to software architecture and system designWhat you will getOpportunity to design scalable services and solutionsRemote flexibility and a collaborative, innovation-driven environmentWork with high-performing, cross-functional global teamsfluent Russian, English – B2 level or higherStrong commercial experience with distributed systems in C# using CoreDeep understanding of distributed systems patternsExperience with generic programming and writing reusable componentsSolid SQL skills — ability to write complex queriesHands-on experience integrating with external APIs (JSON-based)Commercial experience with DockerSolid grasp of SOLID principles, event delivery guarantees, and EDA (Event-Driven Architecture)Understanding of basic information security principles (network security, web app security)Experience in collaborative development using GitNice-to-Have SkillsExperience with Kubernetes (K8s) in productionExperience with CI/CD pipeline configuration using Ansible, Terraform, etc.Exposure to DevOps practices and infrastructure as codeTop 3 Core Technical Strengths We ExpectExpertise in distributed system design patternsHands-on experience with generic programming in C#Foundational understanding of information security principles