Job Description
We’re Hiring: Senior .NET Developer | Onsite in Costa Mesa, CA
We’re partnering with a globally recognized auction and collectibles brand with an 80+ year legacy to find a Senior .NET Developer for a 6-month contract (with strong potential to extend or convert).
This is an opportunity to work on high-impact digital transformation projects, helping modernize legacy systems and enhance platforms for auctions, e-commerce, and gallery management.
Key Details
- Employment Type: Contract (6 months, possible extension/conversion)
- Location: Costa Mesa, CA (5 days onsite)
- Rate: $80–$100/hour (W2 or C2C)
- Tech Stack: .NET (Core & Framework), ASP.NET MVC, REST APIs, SQL Server, JavaScript/TypeScript, Azure, DevOps
What You’ll Do
- Lead the architecture and development of scalable .NET applications
- Design and secure RESTful APIs
- Modernize and refactor legacy systems into modular, microservices-based architecture
- Optimize SQL Server performance and manage data access layers
- Collaborate closely with product owners, designers, and engineers in an Agile environment
- Contribute to technical documentation, testing, CI/CD pipelines, and mentoring
What We’re Looking For
- 5+ years of .NET experience (C#, .NET Core/.NET 6+, MVC)
- Solid grasp of full-stack development and architectural patterns (e.g., DDD, layered architecture)
- Experience with Azure services and DevOps tooling (GitHub Actions, CI/CD, Docker)
- Front-end familiarity (JavaScript, Razor, modern frameworks like React/Angular is a plus)
- Prior exposure to e-commerce or auction platforms a strong bonus
- Passion for modernizing legacy systems and building high-performance solutions
Job Tags
Contract work,