Application Developer III

InstantServe LLC

Job Title: Application Developer III (C# / Azure)

Location: Jackson, Mississippi (Onsite)
Duration: 12-Month Contract (May 2026 - May 2027)
Schedule: Monday to Friday, 8:00 AM - 5:00 PM

Job Summary

We are seeking an experienced Application Developer III with strong expertise in C#, Microsoft Azure, and testing practices . This role involves designing, developing, and supporting enterprise applications while ensuring high performance, reliability, and quality through robust testing and DevOps practices. The ideal candidate will have a balanced background in development, testing, and deployment processes.

Key Responsibilities

Design, develop, and maintain applications using C# and .NET technologies
Work within Microsoft Azure to build and deploy scalable applications
Develop and integrate APIs using JSON, YAML, and JavaScript
Implement and manage CI/CD pipelines using Azure DevOps
Perform unit, integration, and performance testing
Create and execute test cases and support user acceptance testing
Work with SQL Server for data management, queries, and optimization
Support data modeling, schema design, and data migration activities
Use Git for version control and follow best coding practices
Collaborate with cross-functional teams in an Agile environment

Required Qualifications

Minimum 7 years of experience in C# and .NET development
Strong experience with Microsoft Azure
Proficiency in JavaScript, JSON, and YAML
Experience with SQL Server and database development
Hands-on experience with CI/CD pipelines and Azure DevOps
Strong knowledge of version control tools such as Git
Experience with unit testing, integration testing, and performance testing
Experience in test case design and user acceptance testing support
Strong understanding of data modeling and API development

Preferred Qualifications

Experience with Adabas database
Exposure to z/OS environments
Experience working with virtual machines and enterprise server environments
Previous experience in government or public sector projects

Additional Information

Onsite role; remote work is not permitted
Standard background check required
No travel required
Occasional overtime may be required

Apply

Vacancy posted 4 days ago

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