.Net Core Contractor - Payment UI & Backend

Primary Job Title:

.NET Core Contractor - Payment UI & Backend (PCI Compliance)

Alternate / Related Job Titles:

.NET Core Developer

Senior .NET Contractor

Payment Systems .NET Developer

Backend .NET Engineer

PCI Compliance Application Developer

Location & Onsite Flexibility:

Chevy Chase, MD — Remote

Contract Details:

Position Type: Contract

Contract Duration: Approximately 6 months

Start: As Soon As Possible

Pay Rate: $70 – $85/hr

Job Summary:

The .NET Core Contractor will enhance and secure payment user interface and backend components to support PCI DSS compliance. This role focuses on integrating Chase Page Encryption into existing payment flows to ensure the secure transmission of sensitive payment data, while collaborating closely with security, DevOps, and QA teams to deliver a robust and compliant solution.

Key Responsibilities:

Modify and enhance payment UI and backend components to integrate Chase Page Encryption.

Ensure full compliance with PCI DSS standards across the payment experience.

Collaborate with security, DevOps, and QA teams to validate encryption, conduct secure deployments, and support rigorous testing.

Perform code reviews and contribute to overall application architecture and security improvements.

Develop clean, maintainable, and secure code, along with relevant technical documentation.

Skills & Qualifications:

Required Skills & Experience:

Proficiency in .NET Core / C# for backend development.

Frontend experience with HTML, Bootstrap, JavaScript, and jQuery.

Prior experience integrating payment encryption solutions, preferably Chase Page Encryption or similar technologies.

Strong knowledge of PCI DSS standards and secure software development practices.

Experience working with REST APIs, secure form handling, and data protection.

Experience with relational databases, preferably Oracle and SQL Server.

Proficiency in writing SQL queries.

Preferred Qualifications:

Previous involvement in achieving PCI compliance for online payment systems.

Experience with CI/CD tools and secure deployment workflows.

Strong understanding of application-layer encryption and key management.

Benefits:

Medical, Vision, and Dental Insurance Plans

401k Retirement Fund

About the Company:

National auto insurance provider offering affordable and reliable coverage across all 50 states, including homeowners, renters, and boat insurance. The organization is committed to customer satisfaction, innovation, and providing a collaborative and forward-thinking work environment.

About GTT:

GTT is a minority-owned staffing firm and a subsidiary of Chenega Corporation, a Native American-owned company based in Alaska. As an economically disadvantaged enterprise, GTT highly values diverse and inclusive workplaces. Our clients include Fortune 500 organizations across insurance, financial services, technology, life sciences, biotech, utilities, and retail throughout the U.S. and Canada.

Job Number: 26-00916

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