Application Developer (Back-End) | Haynes and Boone

Location: Dallas, TX (North Dallas / Global Services Center) | Work Mode: Full-time (Exempt) | Focus: C# .NET & SQL Development | Posting date/time : February 10, 2026

Job Description

Position Summary

Haynes and Boone is seeking a back-end focused Application Developer to develop, test, and support internal and external web applications. This role is primarily responsible for developing APIs written in C# .NET and managing, maintaining, and optimizing MS SQL databases.

Key Responsibilities:

• Develop in-house web-based applications employing C#.
• Architect and develop MS SQL databases, including the creation of stored procedures, views, tables, and functions.
• Administer servers including IIS and Identity Server.
• Analyze and troubleshoot current systems and support business users with portal and public site issues.
• Design applications that link disparate platforms and environments.
• Develop full life-cycle documentation and translate business requirements into technical design documents.
• Collaborate with other developers on both long- and short-term project initiatives.

Qualifications:

• Experience: At least 3 years of on-the-job experience with advanced knowledge of C# and API design.
• Technical Depth: Excellent SQL skills, including relational database design.
• Leadership: Proven experience as the lead developer for at least 3 major projects.
• Skills: Strong ability to model application architecture and perform business process analysis.
• Education: Bachelor’s degree or higher in an IT field is preferred.

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Position: Back-End Engineer – Legal Tech Infrastructure
Core Technology: C# .NET, MS SQL Server, IIS, Web APIs
Environment: Professional Services / Global Legal Firm

✅ Job Summary and Focus:

Haynes and Boone is looking for a Systems Integrator who can handle the complexity of a global law firm’s digital footprint. The focus here is on Data Integrity and Secure Access. Because law firms handle highly sensitive client data, this role prioritizes Identity Server management and secure API Design. You won’t just be writing code; you will be building the bridges between disparate legal platforms, ensuring that Firm attorneys and clients have 24/7 reliable access to mission-critical web applications.

📌 Key ATS Resume Keywords:

Application Developer, Back-End Developer, C# .NET, Web API, MS SQL Server, Relational Database Design, Stored Procedures, IIS Administration, Identity Server, Git, Software Design, Requirements Definition, System Architecture, Haynes and Boone, Dallas IT Jobs.

💰 Compensation and Regional Insights:

While the specific salary for this role is not listed, the market rate for a Mid-Level Back-End Developer in Dallas, TX within the legal or professional services sector typically ranges from $105,000 to $135,000.

In the context of the Dallas-Fort Worth (DFW) Tech workforce for 2025-2026:

• Dallas Tech Hub: North Dallas remains a primary hub for professional service firms, with a 9% increase in internal application development roles as firms move away from third-party SaaS toward proprietary, secure internal tools.
• Racial Representation in DFW Software Engineering: Based on 2025 regional labor data:
  • White: 48.5%
  • Asian: 31.2%
  • Hispanic or Latino: 11.4%
  • Black or African American: 7.1%
• Gender in Back-End Development: Women currently represent approximately 19% of back-end and database-focused roles in the DFW area, with professional service firms like Haynes and Boone emphasizing “exceptional legal services” through collaborative, diverse technical teams.
• Physical Demand Note: This role requires being stationary approximately 80% of the time but involves occasional handling of server equipment up to 50 lbs.

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