Senior .NET Developer: Backend & API Integrations

Robotic Technologies Automation; Richmond (VA); On-site; USD 95,000 - 130,000; Full time

Job summary

Robotic Technologies Automation in Richmond, VA seeks a .NET Software Developer to join a client’s application development team. This hands-on role focuses on deep C# coding and database work, supporting modernization, integrations with third-party vendors, and enhancements to existing systems.

You will design, develop, and maintain .NET applications, build RESTful APIs, and optimize Oracle SQL performance across backend services with occasional frontend work.

Qualifications

• 5+ years of professional experience as a .NET Developer.
• Strong proficiency in C# (primary language).
• Experience working with .NET Framework 4.5+.
• Exposure to modern .NET (.NET Core / .NET 6+) is strongly preferred.
• Solid experience with Oracle databases.
• Writing and maintaining complex stored procedures.
• SQL query analysis and performance tuning.
• Strong understanding of backend business logic layers.
• Experience developing and consuming APIs.
• Comfortable working in environments without Entity Framework.
• Ability to read, understand, and improve large, existing codebases.

Responsibilities

• Design, develop, and maintain applications using C# and the Microsoft .NET stack.
• .NET Core / modern .NET (preferred).
• Develop and support RESTful APIs and system integrations.
• Write, analyze, and maintain Oracle SQL and PL/SQL, including large, complex stored procedures.
• Tune and optimize stored procedures and SQL queries to improve performance.
• Analyze joins, execution plans, and query structure.
• Work closely with other developers to understand existing systems and contribute improvements.
• Participate in code reviews, testing, debugging, and deployment activities.
• Collaborate with internal teams and third-party vendors to support application integrations.
• Follow established development standards while helping improve code quality and performance.

Skills

C# proficiency

Backend development

SQL/database expertise

API integrations

Tools

Oracle SQL

PL/SQL

Job description

Robotic Technologies Automation in Richmond, VA seeks a .NET Software Developer to join a client’s application development team. This hands-on role focuses on deep C# coding and database work, supporting modernization, integrations with third-party vendors, and enhancements to existing systems.

You will design, develop, and maintain .NET applications, build RESTful APIs, and optimize Oracle SQL performance across backend services with occasional frontend work.