Application Developer III

Job Title: Application Developer IIILocation: Jackson, MS ( Onsite)Duration: 12 monthsPosition type: ContractPosition SummaryWe are seeking an experienced Application Developer III with strong expertise in cloud technologies, enterprise application development, and DevOps practices.This role requires a Subject Matter Expert (SME) capable of designing, developing, and supporting complex applications while working in a fully onsite environment.Key ResponsibilitiesDesign, develop, test, and deploy enterprise-level applications. Lead development efforts using Microsoft Azure cloud services. Build and maintain scalable APIs, backend services, and data-driven applications. Implement and manage CI/CD pipelines using Azure DevOps. Collaborate with cross-functional teams including QA, business analysts, and infrastructure teams. Perform code reviews, enforce best practices, and ensure high-quality deliverables. Support database design, data migration, and system integrations. Troubleshoot and resolve production issues efficiently. Participate in full Software Development Lifecycle (SDLC) activities. Required Technical SkillsOperating Systems & CloudMicrosoft Azure – SME level (7+ years) Microsoft Windows Server – Intermediate (3–5 years) z/OS – Intermediate (Preferred) Programming & DevelopmentC# (.NET / .NET Core) – SME level JavaScript, JSON, YAML – SME level Strong experience in modern application architecture and API development Database & Data Management SQL / SQL Server – SME level Advanced experience in:Data Modeling Schema Design Data Migration API Integration ADABAS Database – Intermediate (Preferred) Infrastructure & HardwareExperience working in:Enterprise Server Environments (Intermediate)Developer Workstations (Intermediate) Familiarity with:Virtual Machines (VMs) – Intermediate (Preferred)DevOps & MethodologiesCI/CD Practices – SME level Azure DevOps – SME level Version Control (Git) – SME level Strong understanding of Agile and DevOps methodologies Quality Assurance & Testing Advanced experience in:Unit Testing Integration Testing Manual Testing Strong skills in:Test Case Design UAT Support Data Testing / Test Leadership Experience in:Performance Testing and optimization Experience with legacy systems such as ADABAS and z/OS Prior experience in government or public sector projects Knowledge of enterprise system modernization