Senior Full Stack .NET Developer
Software Engineering
Posted on Jul 2, 2026
Senior Full Stack .NET Developer (React / Azure / Power BI)
Location: Austin, TX (100% Onsite – Local Candidates Only)
Position Type: Contract
***Not accepting third party candidates*****
Overview
We are seeking an experienced Senior Full Stack .NET Developer to design, develop, enhance, and support enterprise applications and reporting solutions within a large-scale healthcare technology environment.
This role requires an accomplished full stack developer with extensive experience building modern web applications using .NET Core, React JS, SQL Server, Oracle, Azure, and Power BI. The ideal candidate will have a strong background modernizing legacy applications, migrating data, developing cloud-based solutions, and delivering scalable enterprise software in Agile environments.
This is an opportunity to contribute to mission-critical applications supporting statewide healthcare and business operations.
Key Responsibilities Full Stack Application Development
Required Qualifications
Preferred Qualifications
Technical Environment Backend
Work Environment
Ideal Candidate
Location: Austin, TX (100% Onsite – Local Candidates Only)
Position Type: Contract
***Not accepting third party candidates*****
Overview
We are seeking an experienced Senior Full Stack .NET Developer to design, develop, enhance, and support enterprise applications and reporting solutions within a large-scale healthcare technology environment.
This role requires an accomplished full stack developer with extensive experience building modern web applications using .NET Core, React JS, SQL Server, Oracle, Azure, and Power BI. The ideal candidate will have a strong background modernizing legacy applications, migrating data, developing cloud-based solutions, and delivering scalable enterprise software in Agile environments.
This is an opportunity to contribute to mission-critical applications supporting statewide healthcare and business operations.
Key Responsibilities Full Stack Application Development
- Design, develop, enhance, and maintain enterprise web applications using:
- .NET Core / C#
- React JS
- JavaScript
- HTML5
- CSS3
- Develop RESTful APIs and backend services
- Build secure, scalable, and high-performing enterprise applications
- Modernize legacy applications into cloud-enabled web solutions
- Design and optimize SQL Server databases, including:
- Stored procedures
- Views
- Functions
- Query optimization
- Performance tuning
- Perform Oracle-to-SQL Server data migrations
- Transform and migrate legacy data into modern enterprise platforms
- Ensure data integrity, security, and reliability
- Develop and maintain:
- Power BI dashboards
- Interactive reports
- Paginated reports
- Create reporting solutions that support operational and executive decision-making
- Perform data transformations and reporting optimization
- Develop and support cloud-hosted applications using Microsoft Azure
- Deploy and manage applications utilizing:
- Azure App Services
- Cloud Storage
- Azure Security Services
- Build and maintain CI/CD pipelines
- Utilize Git and DevOps tools for source control and automated deployments
- Develop and execute:
- Unit testing
- Integration testing
- System testing
- Regression testing
- Troubleshoot and resolve application defects and production issues
- Ensure applications meet performance, availability, and security standards
- Collaborate with architects, business analysts, UX designers, and stakeholders
- Mentor junior developers and provide technical guidance
- Participate in Agile ceremonies including sprint planning, backlog refinement, and code reviews
- Develop technical documentation, solution designs, and architecture artifacts
Required Qualifications
- 11+ years of experience developing enterprise applications using:
- .NET Core
- C#
- React JS
- JavaScript
- HTML
- CSS
- 11+ years of SQL Server development, database design, and performance tuning
- 11+ years of Oracle experience, including Oracle-to-SQL Server data migration
- 11+ years of experience developing Power BI dashboards and reports
- 11+ years of experience with Microsoft Azure cloud services
- Experience modernizing legacy applications into web-based solutions
- Experience transforming and migrating enterprise data
- Strong knowledge of CI/CD pipelines, Git, and DevOps practices
- Knowledge of Section 508 accessibility standards
- Excellent analytical, communication, and problem-solving skills
Preferred Qualifications
- Experience supporting healthcare, government, or highly regulated environments
- 8+ years working within Agile/Scrum development teams
- Experience participating in enterprise modernization initiatives
- Bachelor's degree in Computer Science, Information Systems, or a related technical field
Technical Environment Backend
- .NET Core
- C#
- REST APIs
- React JS
- JavaScript
- HTML5
- CSS3
- SQL Server
- Oracle
- Data Modeling
- Performance Tuning
- Power BI
- Paginated Reports
- Dashboards
- Microsoft Azure
- Azure App Services
- Git
- CI/CD Pipelines
- Azure DevOps
Work Environment
- 100% onsite in Austin, Texas
- Candidates must currently reside within approximately 50 miles of Austin
- Standard business hours (Monday–Friday)
- Microsoft Teams interview process
- Opportunity for long-term extensions based on project needs
Ideal Candidate
- Senior Full Stack Developer with strong Microsoft technology expertise
- Experienced modernizing enterprise applications and migrating legacy systems
- Skilled in cloud-native development and Azure deployments
- Strong mentor and collaborative team member
- Passionate about delivering scalable, secure, and high-quality enterprise software