Senior Full Stack .NET UI Developer

Job Description – Senior Full Stack .NET UI Developer

• Job Title: Senior Full Stack .NET UI Developer

• Location: Pleasanton, CA

• Duration: 6 months

• Work Mode: Remote / Hybrid / Onsite

• Experience: 8+ years

• Employment Type: Full-Time / Contract

• Seniority Level: Senior Developer / Lead Developer

• Essential Skills: Performance Testing, Product Owner

• Primary Skill: Performance Testing

• Required Experience: 4–6 years

Job Summary

• Develop and maintain enterprise-grade web applications using Blazor WebAssembly and ASP.NET Core.

• Build scalable, responsive, and high-performance user interfaces.

• Develop robust backend services using Microsoft technologies.

• Collaborate with business stakeholders, architects, UX designers, DevOps teams, and developers.

• Provide technical leadership and contribute to architecture and application modernization initiatives.

• Work with cloud platforms, AI-enabled applications, and microservices architectures.

Key Responsibilities

• Design, develop, and maintain applications using:

  • Blazor WebAssembly

  • ASP.NET Core

  • .NET 6/7/8

  • C#

• Build reusable UI components and responsive interfaces.

• Develop RESTful APIs and backend services.

• Implement:

  • State management

  • Authentication

  • Authorization

  • Security best practices

• Integrate applications with:

  • SQL Server

  • Azure services

  • Third-party APIs

  • Enterprise systems

• Participate in architecture and technical design discussions.

• Optimize application performance, scalability, and maintainability.

• Conduct code reviews and establish development best practices.

• Collaborate with DevOps teams on CI/CD and deployment automation.

• Troubleshoot complex issues across the full application stack.

• Mentor junior developers and support knowledge-sharing initiatives.

• Work within Agile/Scrum methodologies.

Required Qualifications

• Bachelor's degree in Computer Science, IT, Engineering, or related field.

• 8+ years of full-stack application development experience.

• Strong experience with:

  • C#

  • .NET Core

  • ASP.NET Core

  • .NET 6/7/8

• 3+ years of hands-on Blazor WebAssembly experience.

• Strong knowledge of:

  • HTML5

  • CSS3

  • JavaScript

  • Responsive web design

• Experience with Blazor component libraries:

  • Telerik UI for Blazor

  • MudBlazor

  • Syncfusion

  • Radzen

• Experience building and consuming REST APIs.

• Strong experience with Entity Framework Core and LINQ.

• Strong SQL Server database design and performance-tuning experience.

• Familiarity with Microsoft Azure.

• Experience with Git, Azure DevOps, GitHub Actions, or similar DevOps tools.

Front-End Skills

• Blazor WebAssembly

• Blazor Server

• HTML5

• CSS3

• JavaScript / TypeScript

• Bootstrap

• Responsive UI development

• Telerik UI for Blazor

• MudBlazor

• Syncfusion

• Radzen

Backend Skills

• C#

• ASP.NET Core

• .NET 6 / 7 / 8

• Web API

• Entity Framework Core

• LINQ

• Microservices architecture

Database Skills

• SQL Server

• Azure SQL

• Stored Procedures

• Query optimization

• Database performance tuning

Cloud & DevOps Skills

• Microsoft Azure

• Azure App Services

• Azure Functions

• Azure API Management

• Azure Key Vault

• Azure DevOps

• GitHub Actions

• Docker

• Kubernetes – preferred

Security Skills

• OAuth 2.0

• OpenID Connect

• Azure AD / Microsoft Entra ID

• JWT Authentication

• Role-Based Access Control (RBAC)

Preferred Qualifications

• Experience developing AI-enabled applications using Azure OpenAI or Microsoft AI services.

• Experience in healthcare, life sciences, or regulated industries.

• Knowledge of microservices and event-driven architectures.

• Experience with SignalR.

• Familiarity with Power Platform integrations.

• Microsoft Azure certifications preferred.

AI / Modern Technology Skills

• Azure OpenAI Integration

• AI Copilot Development

• Semantic Kernel

• Azure Cognitive Services

• Retrieval-Augmented Generation (RAG)

• Vector Search

• Application modernization

Performance Testing & Product Ownership

• Experience with performance testing and application performance optimization.

• Ability to identify performance bottlenecks across UI, API, database, and cloud layers.

• Understanding of performance testing strategies and execution.

• Ability to work with business stakeholders and development teams in a Product Owner capacity.

• Translate business requirements into technical deliverables and development priorities.

• Support product planning, prioritization, and delivery discussions.

Soft Skills

• Strong analytical and problem-solving abilities.

• Excellent verbal and written communication.

• Strong stakeholder management skills.

• Ability to work effectively with cross-functional teams.

• Strong leadership and technical decision-making skills.

• Experience mentoring developers.

• Ability to lead technical discussions and drive development initiatives.

Keywords

• Blazor WebAssembly

• Blazor WASM

• Blazor Server

• .NET

• .NET Core

• ASP.NET Core

• C#

• Full Stack Developer

• UI Developer

• REST API

• Entity Framework Core

• LINQ

• SQL Server

• Azure

• Azure DevOps

• Microservices

• Performance Testing

• Product Owner

• AI Copilot

• Azure OpenAI

• RAG

• Semantic Kernel

• SignalR

• Docker

• Kubernetes

• React/JavaScript/TypeScript

• Enterprise Application Development