Mid Level .NET developer

About the role

.NET Developer position based in Fremont, California. This is an onsite, full-time role requiring in-person attendance. Open to any visa status.

Responsibilities

• Develop and maintain enterprise web applications using C# and ASP.NET Core
• Build scalable REST APIs and backend services
• Develop responsive UI using Angular
• Design and implement microservices
• Work with SQL databases and optimize queries
• Integrate Redis caching and Kafka messaging
• Participate in code reviews, testing, debugging, and deployment
• Collaborate with product owners, QA, DevOps, and other developers
• Follow coding standards and software engineering best practices

Required Skills

• C#
• ASP.NET Core / .NET Core (.NET 8 preferred)
• RESTful Web APIs
• Angular (or React for some roles)
• Microservices architecture
• Entity Framework Core
• SQL Server, MySQL, PostgreSQL
• Redis
• Kafka (event-driven architecture)
• HTML, CSS, JavaScript, TypeScript
• Git and CI/CD

Qualifications

• 3–5 years for mid-level positions
• 5–9 years for senior positions
• Experience with enterprise applications, distributed systems, and multi-database environments is preferred

Interview Topics

• C# fundamentals (OOP, delegates, async/await, LINQ)
• ASP.NET Core lifecycle and middleware
• Dependency Injection
• Entity Framework Core
• Web API design
• Microservices
• Angular (components, services, RxJS)
• SQL queries, joins, indexing, stored procedures
• REST API security (JWT)
• Redis caching
• Kafka basics
• Design patterns (Repository, Unit of Work, SOLID principles)
• Multithreading and performance optimization