Senior Full Stack Developer – Azure, React & .NET

Diligente Technologies; San Francisco (CA); On-site; USD 170,000 - 210,000; Full time

Job summary

Diligente Technologies in San Francisco is seeking a Senior Full Stack Developer / Technical Lead to modernize legacy WinForms and .NET apps into React-based, cloud-native microservices on Azure.

You will design, develop, and deploy solutions using AKS, App Services, Functions, and related Azure services, while leading architecture decisions and collaborating with stakeholders.

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 App Services, Functions, and DevOps.
• 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.
• Strong understanding of cloud architecture, application security, performance monitoring, scalability, and resilient system design.
• Excellent problem-solving, communication, and stakeholder management skills.

Responsibilities

• Modernize legacy WinForms and .NET applications into React-based, cloud-native microservices.
• Design, develop, and deploy applications using 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.

Skills

React

C#

.NET Core

ASP.NET

REST APIs

microservices

Azure

SQL

SQL Server

Snowflake

Tools

Azure DevOps

Job description

We 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.
• 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.