Asp.Net Lead Architect

Job description Full Time Remote About the Role Company is seeking a highly experienced ASP.NET Lead Architect / Senior Developer to join our team.This role is ideal for a deeply technical professional with proven experience in designing, optimizing, and maintaining high-performance systems within the .NET 5 and Azure ecosystem.You will play a critical role in ensuring scalability, cost efficiency, and top-tier performance of our technology stack while leading the development of new features and delivering timely bug fixes.This is a highly technical role, requiring advanced problem-solving skills, attention to detail, and the ability to mentor and guide peers in best practices.ResponsibilitiesArchitecture & OptimizationRevamp and fine-tune our ASP.NET web application stack for performance, cost effectiveness, and scalability .Design and optimize high-performance API services , proxy technologies , and multi-tenant database infrastructures .DevelopmentBuild new features across backend, web, and mobile applications.Ensure clean, maintainable, and scalable code with strong adherence to standards.Support legacy Xamarin components where necessary.Maintenance & OperationsQuickly troubleshoot and fix bugs.Oversee CI/CD pipelines to ensure smooth deployments.Work with monitoring and observability tools to maintain system health.CollaborationCollaborate closely with cross-functional teams (product, QA, DevOps).Communicate clearly in English (spoken and written) with stakeholders across geographies.Handle "overly confident developers" tactfully, ensuring technical transparency and simplicity.Tech StackProgramming LanguagesC# / .NET 5 / ASP.NET Core – Core backend services, API layer, and daemon servicesTypeScript + Angular – Shopify embedded apps, admin portal, CRM featuresReact Native (JavaScript/TypeScript) – Mobile apps (iOS/Android, offline capabilities)Liquid – Shopify storefront & embedded UI integrationXML – Domain modeling + code generation workflowsSQL (T-SQL) – Azure SQL Server (master + tenant databases)NoSQL (CosmosDB / MongoDB API) – Operational data, caching, and sync storageFrameworks & Libraries.NET 5 – Services and APIsXamarin.Forms – Legacy mobile componentsEntity Framework Core – ORM for SQL backendsMermaid – C4 diagrams (context/container/component)Custom XML CodeGen Tools – Auto-generating scaffoldingPlatforms & InfrastructureAzure Cloud – Core hosting environmentAzure SQL Database – Master + tenant-sharded storesAzure CosmosDB – JSON/NoSQL operational storeAzure Blob Storage – File storage (documents, exports, results)Azure Service Bus – Messaging, event routing, background jobsShopify – E-commerce storefront + embedded integrationSendGrid – Transactional/notification emailsKlaviyo – Marketing automation and campaignsCalendly – Scheduling integrationUSPS API – Label generation, shipping automationTwilio – SMS messaging and alertsObservability & OpsLogging/Tracing – Azure Monitor + custom observability layerMetrics – Prometheus-style metrics capture integrated with .NET servicesBackup/Restore – Azure SQL backups + Mongo dump strategiesCI/CD – Git-based pipelines with automated deploymentsRequired Qualifications15+ years of professional development experience in complex systems.Deep expertise in ASP.NET Core, .NET 5, and Azure .Strong understanding of multi-tenant architectures, performance optimization, and cost-effective scaling .Demonstrated ability to lead technical initiatives and mentor other developers.Advanced English (spoken and written): capable of leading meetings, writing documentation, and engaging in negotiations.Proven track record of delivering high-quality, scalable systems.Soft SkillsTrustworthy, respectful, and honest.Hardworking and committed to delivery.High attention to detail.Collaborative, not difficult to work with, and effective in managing differing personalities within the team.Interview Process2–3 interview stages , including technical and behavioral assessments.Final decision made by Company's senior leadership in coordination with the hiring manager.