Sr. Full Stack Software Developer Job Austin area,Texas USA,IT/Tech

Neos is seeking a Sr. Full Stack Software Developer for a long‑term contract role with our client in Austin, TX. The position is onsite only; only candidates currently residing within 50 miles of Austin, TX will be considered.

Essential Job Functions

Design, develop, enhance, and maintain enterprise applications using:
- .NET Core / C# backend services and APIs
- React JS and modern JavaScript frameworks for frontend development
- Microsoft SQL Server databases, including stored procedures, views, functions, and performance tuning
Develop and maintain Microsoft Power BI dashboards, reports, and paginated reports to support business and operational reporting.
Implement cloud‑based solutions and integrations using Microsoft 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 Dev Ops 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 the new solution.
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.

Knowledge, Skills, and Abilities

Experience in full stack development using .NET Core, C#, React JS, JavaScript, HTML, and CSS
Experience with Microsoft SQL Server and relational database design, including data modeling, query optimization, and performance tuning
Experience in Oracle Database, including data migration from legacy systems to SQL Server
Extensive experience with Microsoft Power BI, including dashboards, paginated reports, and data transformations
Hands‑on experience with cloud platforms (Microsoft Azure preferred), including app services, storage, and security
Proficiency with CI/CD pipelines, Git, and Dev Ops tools
Knowledge of accessibility standards (e.g., Section 508)
Strong analytical, problem‑solving, communication, and collaboration skills
Experience converting legacy applications to web‑based solutions
Experience transforming and migrating legacy data to support the new solution
Experience with Oracle data migration

Preferred Qualifications

Bachelor’s degree in Business, Computer Science, Information Systems, or related field
8+ years of experience supporting large‑scale IT systems within government or regulated environments
8+ years of experience with Agile/Scrum methodologies and participation in sprint planning, backlog refinement, and release activities

Required Candidate

Skills & Qualifications

11 years required – Experience in full stack development using .NET Core, C#, React JS, JavaScript, HTML, and CSS
11 years required – Experience with Microsoft SQL Server, including data modeling, query optimization, and performance tuning
11 years required – Experience in Oracle Database, including performing data migration from legacy systems to SQL Server
11 years required – Extensive experience with Microsoft Power BI, including dashboards,…