.NET Developer (Contract) – Hybrid (MVC, Classic ASP) 5166

Tier4 Group; Atlanta (GA); Hybrid; USD 100,000 - 110,000; Full time

Job summary

Tier4 Group is seeking a Contract .NET Developer in Atlanta, GA to contribute to critical web-based applications that drive business operations. The role involves designing and maintaining .NET applications and supporting legacy systems while engaging in a MongoDB to Oracle migration effort. Candidates should have strong experience with .NET, C#, MVC, and SQL, along with a collaborative spirit to enhance revenue-generating systems. The position offers a competitive salary and a hybrid work environment.

Qualifications

• Strong hands-on experience with .NET, C#, and MVC frameworks.
• Experience supporting and enhancing web-based applications in production environments.
• Working knowledge of REST/SOAP APIs and web services.

Responsibilities

• Design, develop, test, debug, implement, and maintain .NET / C# applications based on requirements.
• Support and enhance existing ASP.NET MVC and Classic ASP applications.
• Develop and consume REST/SOAP web services and APIs.

Skills

.NET

C#

MVC frameworks

REST/SOAP APIs

SQL

Classic ASP

Version control systems

Communication skills

Tools

Azure DevOps

Git

Job description

.NET Developer (Contract) – Hybrid (MVC, Classic ASP)

Location: Atlanta, GA (Hybrid – 3 days onsite: Mon/Wed/Fri)

Compensation: $100,000 – $110,000 annualized (equivalent contract)

Summary

The Contract .NET Developer is a hands‑on contributor responsible for the development, enhancement, and support of critical web‑based .NET applications that drive core business operations. This role focuses on executing against defined requirements within an established architecture, with an emphasis on maintaining application stability and delivering enhancements tied to business needs.

This position plays a key role in supporting order management systems directly impacting company revenue, while also contributing to a MongoDB to Oracle (JSON datastore) migration effort.

Essential Duties and Responsibilities

• Design, develop, test, debug, implement, and maintain .NET / C# applications based on provided requirements
• Support and enhance existing ASP.NET MVC and Classic ASP applications
• Perform bug fixes, code updates, and minor feature enhancements in production systems
• Contribute to application updates required for MongoDB → Oracle migration compatibility
• Develop and consume REST/SOAP web services and APIs
• Write clean, maintainable, and performant code following established development standards
• Troubleshoot and resolve issues across development, QA, and production environments
• Participate in unit testing, system testing, and defect resolution
• Work with Business Analysts and technical leads to clarify requirements
• Follow SDLC processes, coding standards, and deployment procedures
• Use version control and CI/CD tools (Azure DevOps) to manage code changes
• Provide timely updates on progress, risks, and blockers

Technology Environment

• Database: SQL, MongoDB (migrating to Oracle JSON datastore)
• Legacy: Classic ASP (limited but required support)
• Problem Solving
• Attention to Detail
• Task Ownership & Accountability
• Collaboration and Teamwork
• Productivity & Execution Focus
• Commitment to Quality

Required Qualifications

• Strong hands‑on experience with .NET, C#, and MVC frameworks
• Experience supporting and enhancing web‑based applications in production environments
• Working knowledge of REST/SOAP APIs and web services
• Strong SQL skills and experience with relational databases (Oracle, MySQL, etc.)
• Exposure to Classic ASP (ability to make minor updates as needed)
• Experience using version control systems (Git, TFS, or similar)
• Familiarity with HTTP/S, TCP/IP, and web application architecture
• Ability to quickly ramp up on existing/legacy codebases
• Strong communication skills and ability to work independently

Preferred Qualifications

• ~5+ years of application development experience (flexible for strong candidates)
• Experience supporting large‑scale transactional or order‑processing systems
• Exposure to MongoDB and/or Oracle JSON/datastore concepts
• Familiarity with Azure DevOps pipelines
• Experience with XML, XSL/XSLT
• Familiarity with Linux/Unix environments
• Experience with Python (nice‑to‑have)

Ideal Candidate Profile

• Self‑sufficient developer able to execute with minimal oversight
• Comfortable working in maintenance‑heavy, legacy environments
• Strong problem solver who can adapt across technologies
• Able to balance backend logic work with light frontend updates
• Delivers reliable, high‑quality work in a fast‑moving environment
• Team of .NET and Java developers, plus application leadership
• Work assigned and guided by an Application Manager
• Primarily on‑premise infrastructure (IIS)
• Systems support critical order processing and revenue operations

Why This Role

• Direct impact on business‑critical, revenue‑generating systems
• Opportunity to work on real‑world system integration and data migration challenges
• Stable contract with clearly defined scope and deliverables
• High‑visibility role within a core IT function