Software Developer 3 – Full Stack Enterprise Applications | Austin, TX Onsite | 11+ Years .NET Core Experience

**Location:** Austin, Texas **Duration:** August 1, 2026 – August 31, 2026 (168 hours; possible extension to FY27) **Hours:** Monday–Friday, 8:00 AM – 5:00 PM (may require evenings, weekends, and holidays as needed) **Interview Mode:** Microsoft Teams **Overview** A Texas state agency seeks a Full Stack Software Developer to design, develop, enhance, and support enterprise applications and reporting solutions. Working under the direction of the IT Applications Director, the developer will collaborate closely with business stakeholders, architects, and cross-functional IT teams to deliver scalable, secure, and high-performing solutions using .NET Core, React JS, SQL Server, Oracle, Power BI, and cloud-based platforms. The developer will perform advanced analysis, design, coding, testing, deployment, and maintenance activities with a high level of independence and technical judgment in an Agile environment supporting enterprise and cross-agency initiatives. **Key Responsibilities** - Design, develop, enhance, and maintain enterprise applications using .NET Core / C# backend services and APIs, React JS and modern JavaScript frameworks for frontend development, and SQL Server databases including stored procedures, views, functions, and performance tuning. - Develop and maintain Power BI dashboards, reports, and paginated reports to support business and operational reporting. - Implement cloud-based solutions and integrations using Azure or other cloud platforms, including deployment, configuration, and monitoring. - Troubleshoot, diagnose, and resolve application and production issues across the full technology stack. - Develop and execute unit, integration, and system tests; support defect resolution and regression testing. - Create and maintain accurate technical documentation, including design specifications and operational guides. - Design and support cloud-native or cloud-hosted applications, ensuring scalability, availability, and security. - Utilize CI/CD pipelines, source control, and DevOps tools to support automated builds, testing, and deployments. - Collaborate with infrastructure and security teams to implement best practices for cloud governance, monitoring, and compliance. - Transform and migrate legacy data to support new solutions. - Ensure applications and reporting solutions meet performance, reliability, and availability requirements. - Monitor application health and proactively address performance, security, and data integrity issues. - Develop and enforce technical standards, procedures, and controls to support production stability. - Collaborate with business analysts, architects, and stakeholders to translate business requirements into technical solutions. - Assist with planning, estimation, and coordination of development activities. - Contribute to coding standards, best practices, and solution architecture. - Provide technical guidance and mentoring to junior developers and team members. - Work with business users and IT teams to document functional and technical requirements. - Prepare diagrams, solution designs, and technical artifacts to support decision-making and procurement. **Required Qualifications** - 11+ years of experience in full stack development using .NET Core, C#, React JS, JavaScript, HTML, and CSS. - 11+ years of experience with SQL Server, including data modeling, query optimization, and performance tuning. - 11+ years of experience in Oracle, including tasks such as performing data migration from legacy systems to SQL Server. - 11+ years of extensive experience with Power BI, including dashboards, paginated reports, and data transformations. - 11+ years of hands-on experience with cloud platforms (Azure preferred), including app services, storage, and security. - 11+ years of strong analytical, problem-solving, communication, and collaboration skills. - 11+ years of experience in transforming and migrating legacy data to support new solutions. - 11+ years of experience converting legacy applications to web-based solutions. - 11+ years of knowledge of accessibility standards (e.g., Section 508). - 11+ years of proficiency with CI/CD pipelines, Git, and DevOps tools. - 11+ years of experience in Oracle data migration. **Preferred Qualifications** - Bachelor's degree in Business, Computer Science, Information Systems, or a related field. - 8+ years of experience migrating data within government or regulated environments. - 8+ years of experience with Agile/Scrum methodologies and participation in sprint planning, backlog refinement, and release activities. - 6+ years of experience working in Texas state agencies, healthcare, or public sector. **Work Location & Requirements** - Position is 100% onsite at 4601 W. Guadalupe, Austin, Texas 78751 (no remote work). - Local candidates only (within 50-mile radius); candidates must already reside in Texas. - All travel, per diem, parking, and living expenses are at the candidate's expense. - Candidate may be required to work outside normal business hours on weekends, evenings, and holidays as requested. - Candidate must sign an Acceptable Use Agreement and an Information Technology Staff Augmentation Contractor Integrity Agreement as conditions of employment. - Candidate must undergo and pass a criminal history investigation prior to purchase order issuance. - Candidate must complete Information Security Cybersecurity Training Acknowledgement.