Job Description

SQL Developer / Full Stack Application Developer (Contract-to-Hire | 100% Onsite – Dallas, TX)

Location: Dallas, TX 75235 (Onsite at Dallas Love Field Airport)

Duration: Contract to Hire

Work Schedule: 100% onsite with flexible hours (e.g., 7–4, 8–5, etc.); eligible for 1 day/week remote after successful ramp-up

Work Authorization: Must be authorized to work in the United States without current or future sponsorship

Background Check: Must pass a Criminal Justice Information Systems (CJIS) background check & Transportation Security Administration (TSA) upon hire

Interview Process: 1-hour virtual panel interview via Microsoft Teams

The SQL Developer / Full Stack Application Developer will support major software development initiatives for a GTS Customer in an airport operations environment, including a high-priority Scheduling Platform, a custom, internally developed appointment and calendaring system that integrates with a third-party airport operations solution. This role requires a highly skilled, independent developer who can design and optimize databases, build robust backend services, and develop modern front-end features. The ideal candidate is strong in SQL, .NET Core, API development, and contemporary UI frameworks, and can own projects end-to-end with minimal supervision while meeting aggressive timelines.

Database Development & Architecture

• Design, develop, and maintain SQL Server databases supporting enterprise applications.
• Create and optimize complex T-SQL queries, stored procedures, triggers, views, and functions.
• Perform database installation, configuration, tuning, indexing, and performance monitoring.
• Implement and verify regular backup and recovery processes and ensure data integrity.
• Create and manage data extraction, transformation, and loading (ETL) processes between systems.

Application & API Development

• Build, maintain, and enhance .NET Core, ASP.NET MVC, Razor, and Web API applications.
• Develop secure, scalable backend services supporting scheduling workflows and integrations with third-party platforms.
• Use ORM tools such as Entity Framework and LLBLGen Pro for efficient data access.

Front-End Development

• Develop responsive, dynamic user interfaces using HTML, CSS, Bootstrap, React, Angular, jQuery, AJAX, and Kendo UI .
• Implement real-time features using SignalR to support live updates and user interactions.
• Ensure intuitive, user-friendly front-end experiences for internal users and external stakeholders.

Reporting & Analytics

• Design and integrate reports using Telerik Reporting, RDLC , and Microsoft Power BI .
• Build dashboards and analytics to support operational and business decision-making.

Automation, Scripting & DevOps Practices

• Develop and maintain PowerShell scripts and background job schedulers to automate routine tasks.
• Utilize Git, SVN, or TFS for version control and Jira/Balsamiq or similar tools for collaboration and wireframing.
• Work with tools such as Visual Studio, VS Code, Redgate, SQL Profiler, NPM, and related utilities.

Hybrid Mobile & Auxiliary Development (As Needed)

• Support existing hybrid mobile applications using Cordova, Framework7, PhoneGap, and Android Studio , as required.

Project Ownership & Collaboration

• Work independently to create and manage development plans, milestones, and deliverables.
• Collaborate with stakeholders to gather requirements, refine user stories, and translate needs into technical solutions.
• Participate in knowledge transfer and work alongside the current developer during transition to ensure continuity.

Required Skills & Experience

• 5+ years of professional experience in SQL Server development.
• Strong expertise in T-SQL , database design, performance tuning, and optimization.
• 5+ years of experience building full-stack applications using .NET Core, ASP.NET MVC, Web API , and related technologies.
• Hands-on experience with modern front-end frameworks (React, Angular) and component libraries such as Kendo UI.
• Experience with ORM frameworks such as Entity Framework and/or LLBLGen Pro.
• Experience with reporting tools (Telerik, RDLC, Power BI).
• Familiarity with authentication and security mechanisms such as ASP.NET Identity , SAML, and JWT .
• Demonstrated ability to work independently, manage priorities, and deliver solutions with minimal oversight.
• Strong communication and collaboration skills for working with both technical and non-technical teams.

Preferred Experience

• Experience in airport operations, transportation, or other highly regulated environments.
• Experience integrating custom applications with large third-party platforms.
• Exposure to C++ or Java is a plus.

GTS Technology Solutions, Inc. is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, national origin, age, disability, genetic information, or any other protected status in accordance with applicable federal, state, and local laws.

As part of our hiring process, we conduct background checks on all final candidates. These checks are conducted in compliance with the guidelines set forth by the U.S. Equal Employment Opportunity Commission (EEOC). We ensure that the information obtained from background checks is used fairly and does not unlawfully discriminate against any individual.

GTS Technology Solutions participates in E-Verify to confirm the employment eligibility of all newly hired employees. If you are offered a position with GTS Technology Solutions, your employment will be contingent upon successful verification of your identity and legal authorization to work in the United States through E-Verify. For more information about E-Verify, please visit E-Verify's official website .

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