Azure API Developer

Job Title: Azure API Developer

Location: Onsite - San Francisco, CA / San Ramon, CA

Experience Required: 10+ Years

Employment Type: Contract

Role Overview

We are seeking a senior Azure API Developer to design, modernize, and support enterprise applications on Microsoft Azure. This role requires deep hands-on expertise in .NET technologies, API development, and Azure-native services, with a strong focus on modernizing legacy applications into scalable, cloud-native microservices.

The ideal candidate will also act as a technical subject-matter expert, collaborate closely with stakeholders, and ensure high performance, security, and reliability of customer-facing platforms.

Key Responsibilities

Cloud-Native & API Development

• Design and develop cloud-native applications using Azure Kubernetes Service (AKS), Azure App Services, and Azure Functions.

• Build and maintain RESTful APIs using C#, .NET Core, ASP.NET, Web API, and modern authentication standards.

• Implement secure APIs using OAuth 2.0, JWT, and industry best practices.

Legacy Modernization

• Maintain and enhance legacy applications built on Angular, C#, .NET Core, MVC, ASP.NET, and ASP.NET WebForms.

• Lead efforts to modernize legacy .NET applications into microservices architectures deployed on AKS or Azure App Services.

Application Development & Support

• Develop and support applications using Angular, jQuery, LINQ, Entity Framework, Web Services, and REST APIs.

• Ensure clean, maintainable, and scalable code aligned with enterprise standards.

Monitoring, Performance & Reliability

• Configure and monitor application performance using Azure Monitor, Application Insights, or similar monitoring tools.

• Identify and resolve performance bottlenecks, availability issues, and security risks.

Domain Expertise & Stakeholder Management

• Act as a Subject Matter Expert (SME) for Asset Management / Technology Platforms.

• Manage stakeholder expectations, including senior leadership and key decision-makers.

• Communicate effectively across technical and business teams.

Required Skills & Qualifications

• 10+ years of professional experience in .NET application development and API engineering.

• Strong expertise in C#, .NET Core, ASP.NET, MVC, Web API, and RESTful services.

• Hands-on experience with Azure services, including AKS, App Services, Azure Functions, and Azure Monitoring.

• Proven experience modernizing legacy .NET applications to cloud-native microservices.

• Strong knowledge of OAuth 2.0, JWT, and API security best practices.

• Experience with Angular and frontend-backend integration.

• Strong understanding of Entity Framework, LINQ, and relational databases (SQL Server preferred).

• Excellent communication skills and ability to work with senior stakeholders.

Key Competencies

• Strong technical ownership and problem-solving skills

• Ability to influence and collaborate across teams

• Quality- and performance-focused engineering mindset

• Adaptability in complex enterprise environments

Technical Skills

Microsoft Azure | AKS | Azure App Services | Azure Functions | C# | .NET Core | ASP.NET | MVC | REST APIs | OAuth2 | JWT | Angular | Entity Framework | SQL Server | Microservices