.NET Developer | Local to Plano, TX & Sacramento, CA | F2F Interview | C2H | 10+ years | USC/GC
Role: Software Engineer (.NET) -2 Openings
Duration: 6 months C2H
Location: Plano, TX & Sacramento, CA- Locals Only
Mode of Interview: F2F
Role Overview:
We are looking for a skilled Senior .NET Backend Developer with strong SQL expertise and experience working on application modernization initiatives. The role requires a solid understanding of existing business logic implemented in complex SQL queries and the ability to rebuild, optimize, and implement that logic within a modern .NET backend architecture.
Key Responsibilities:
- Analyze and understand existing business logic embedded in SQL queries, stored procedures, and database objects.
- Design and develop backend components using .NET / .NET Core, translating database-driven logic into scalable application-layer services.
- Participate in application modernization projects, including migration from legacy systems to modern, service-oriented or API-driven architectures.
- Optimize SQL queries for performance, scalability, and maintainability.
- Collaborate with business stakeholders, architects, and frontend teams to ensure accurate interpretation of business rules.
- Develop and maintain RESTful APIs and backend services to support application functionality.
- Ensure high-quality code through unit testing, code reviews, and adherence to best practices.
- Support production issues, root cause analysis, and performance tuning as needed.
Required Skills:
- 10+ years of experience in .NET / C# (.NET Core preferred) for backend development.
- Excellent SQL knowledge, including complex queries, joins, CTEs, stored procedures, and performance tuning.
- Hands-on experience in application or database modernization projects.
- Ability to reverse-engineer business logic from legacy SQL-based implementations.
- Experience working with relational databases such as SQL Server (preferred).
- Understanding of layered architecture, service-oriented design, and API development.
- Familiarity with source control systems (Git, Azure DevOps, etc.).
All your information will be kept confidential according to EEO guidelines.
Skills Required
- 10+ years of experience in .NET / C# (.NET Core preferred) for backend development
- Excellent SQL knowledge, including complex queries, joins, CTEs, stored procedures, and performance tuning
- Hands-on experience in application or database modernization projects
- Ability to reverse-engineer business logic from legacy SQL-based implementations
- Experience working with relational databases such as SQL Server (preferred)
- Understanding of layered architecture, service-oriented design, and API development
- Familiarity with source control systems (Git, Azure DevOps, etc.)
What We Do
Technology Management Solutions (TMS, LLC), headquartered in Parsippany, New Jersey, is a premier IT company specializing in digital product engineering and innovative technology solutions. Since our inception in 2021, we have empowered businesses across industries—Financial Services, Retail, Medical, Entertainment, Manufacturing, and Automotive—to achieve their digital transformation goals. Our mission is to design and deliver cutting-edge solutions that drive growth, streamline operations, and enhance modern digital experiences.At TMS, we partner with our clients throughout the entire product development lifecycle, from ideation to commercialization. Our expertise spans next-generation technologies, including Artificial Intelligence (AI), Machine Learning (ML), Internet of Things (IoT), and custom software development. With tailored engagement models, we accelerate product development, ensuring faster time-to-market and measurable success.







