Senior Full Stack Developer – Azure, React & .NET

Location: San Francisco, CA | Work Model: HybridWe are seeking a Senior Full Stack Developer / Technical Lead with strong experience in financial services or asset management to modernize legacy applications and build scalable, cloud-native solutions on Microsoft Azure. This is a hands-on technical role requiring expertise in application architecture, React, C#/.NET, microservices, and database technologies.

Key Responsibilities: Modernize legacy WinForms and .NET applications into React-based, cloud-native microservices. Design, develop, and deploy applications using Azure Kubernetes Service (AKS), Azure App Services, Azure Functions, and related Azure services. Build and maintain REST APIs, web applications, and backend services using React, C#, .NET Core, ASP.NET, and Entity Framework. Develop and optimize SQL Server and Snowflake database solutions, including stored procedures, triggers, and functions. Implement application monitoring, performance optimization, security, scalability, high availability, and fault tolerance. Provide technical leadership, evaluate architectural approaches, and collaborate with stakeholders and senior management.

Required Qualifications: 10+ years of progressive software development experience, preferably in financial services or asset management. Strong hands-on expertise in React, C#, .NET Core, ASP.NET, REST APIs, and microservices architecture.3+ years of experience with Microsoft Azure, including Azure App Services, Functions, Logic Apps, Storage, Azure Active Directory (Microsoft Entra ID), and Azure DevOps (ADO).5+ years of experience in SQL, including stored procedures, triggers, functions, and database optimization. Strong experience with SQL Server and Snowflake. Experience modernizing legacy .NET applications and deploying cloud-native solutions on AKS or Azure App Services. Knowledge of OAuth 2.0, JWT, Entity Framework, LINQ, JavaScript, jQuery, CSS, and Bootstrap. Strong understanding of cloud architecture, application security, performance monitoring, scalability, and resilient system design. Excellent problem-solving, communication, and stakeholder management skills.

Ideal Candidate: A hands-on senior technical leader with strong architectural judgment, financial services domain knowledge, and the ability to drive application modernization initiatives while remaining actively involved in development. This is an individual contributor / technical leadership role, not a people management position.