Senior .NET Full-Stack Developer
The Fountain Group
Senior .NET / React Full-Stack Developer Location Charlotte, NC preferred (Remote considered for highly qualified candidates) Duration 6-Month Contract (Long-Term Opportunity – Expected Extensions Every 6 Months) Pay Rate $78-$84/hr W2 Position Overview We are seeking a Senior .NET / React Full-Stack Developer to join a high-performing development team supporting critical enterprise applications. This is a hands‑on senior-level engineering role requiring strong experience working within large, established codebases while independently owning enhancements, defect resolution, and application support. The ideal candidate will possess deep expertise across the Microsoft technology stack, modern React development, API integrations, authentication frameworks, and relational databases. This individual must be capable of running applications locally end-to-end, troubleshooting complex production issues, and collaborating effectively with technical and business stakeholders. Required Technical Skills C# .NET / ASP.NET Core Entity Framework Core React.js JavaScript TypeScript State Management (Zustand, Redux, or similar) Data Fetching Libraries (TanStack Query / React Query or equivalent) REST API Development & Integration Authentication & Session Management Troubleshooting Git Version Control GitLab, GitHub, Azure DevOps, or equivalent PostgreSQL or comparable relational database systems SQL Development & Query Optimization Required Qualifications 5+ years of full-stack development experience Strong proficiency with C#/.NET development Strong proficiency with React and modern front-end development practices Experience working within large, mature enterprise codebases Ability to write clean, scalable, maintainable, and efficient code Ability to independently run applications locally and troubleshoot issues across the full technology stack Experience debugging production issues and analyzing logs Ability to independently own defects, enhancements, and application improvements Strong verbal and written communication skills Ability to collaborate effectively with technical teams and business stakeholders Preferred Qualifications Experience implementing complex business rules, validation frameworks, and algorithms Experience integrating third-party REST APIs Experience with Okta or other Identity Providers (IDPs) Experience troubleshooting authentication and authorization workflows Experience creating and maintaining CI/CD pipelines GitLab CI/CD experience strongly preferred Experience supporting enterprise-scale applications in Agile environments Key Responsibilities Design, develop, test, and maintain full-stack applications using .NET and React Implement new features and enhancements within existing enterprise applications Troubleshoot and resolve production defects and performance issues Debug authentication, session management, and API-related issues Develop and optimize database interactions and queries Participate in code reviews and maintain development best practices Collaborate with product owners, business stakeholders, and development teams Support deployment processes and CI/CD pipeline improvements Ensure application stability, scalability, and maintainability What We're Looking For Senior-level developer capable of operating independently Strong problem‑solving and debugging skills Experience working in complex enterprise environments Ability to quickly understand existing systems and codebases Excellent communication and stakeholder management skills Self‑starter who takes ownership of assigned work and drives solutions to completion #LI-AB1 #J-18808-Ljbffr
$78 - $84 per hour
...The Fountain Group is looking for a Senior .NET / React Full-Stack Developer to join our high-performing team in Charlotte, NC. This role supports critical enterprise applications and offers a hands-on opportunity for a seasoned developer with strong experience in Microsoft...Senior.netContract workRemote work$58.62 - $78.83 per hour
...Computer Task Group, Inc is seeking a Sr. .NET/React Full-Stack Developer to support enterprise application development in Charlotte, NC. This role focuses on designing, developing, and maintaining full-stack applications while collaborating with cross-functional teams...Senior.netHourly payContract work- ...Threadneedle Group in Charlotte, NC is seeking an experienced software developer to design and develop applications that meet business needs. The... ...in microservices and data-driven applications, using .NET, JavaScript, Python, and cloud technologies like AWS or Azure. The...Senior.netWork at office
- ...Computer Task is seeking a highly experienced Sr. .NET/React Full-Stack Developer in Charlotte, NC to support enterprise application development initiatives. This hands-on role requires expertise in backend and frontend development, problem-solving skills, and experience...Senior.netHourly payContract work
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- ...Financial Inc is seeking a skilled software developer to design, code, test, and support... ...microservices and data-driven applications using .NET, JavaScript, and Python. The role... ...ongoing mentoring of junior developers. Full-time employment without visa sponsorship...Senior.netFull time
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$58.62 - $78.83 per hour
...CTG’s long-standing Fortune 500 client is seeking a highly experienced Sr. .NET/React Full-Stack Developer to support enterprise application development and modernization initiatives. This is a hands‑on development role requiring strong backend and frontend expertise,...Senior.netContract workLocal area- ...environment is hands-on, collaborative, and well-suited for a senior developer who enjoys owning full-stack delivery across web applications, APIs, data pipelines,... ...build, and enhance modern web applications using C#, .NET, and Blazor. Develop RESTful APIs and integration...Senior.netContract workRemote work
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$50 - $55 per hour
...Title: Sr. Data Integration Engineer (.NET) Location: Hybrid - Charlotte, NC Pay Rate... ...to Work in the U.S. Skillset / Experience Senior, hands‑on role responsible for designing... ...Build and support data integration workflows Develop RESTful APIs using .NET Ensure data....netContract workLocal areaFlexible hours- ...sponsorship activation for professional, college, and amateur sports organizations. We’re searching for an exceptional Senior Full Stack Developer to join Fastbreak’s in-house software engineering team. If you’re interested in crafting solutions that power the future...SeniorLocal area
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- ...Amerit Fleet Solutions is looking for a Temporary .NET Full Stack Developer with a contract ranging from 3 to 6 months. This hybrid position allows you to collaborate in-office while also enjoying flexible remote work from Charlotte, NC. Key responsibilities include developing....netContract workTemporary workWork at officeRemote workFlexible hours
- ...Description The Candidate should be a team player with full stack application/framework development experience on React with .Net Core, C#, WebAPI, Azure, SQL. The responsibilities will include Develop enterprise grade secure applications that scale across....net
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- ...Tata Consultancy Services Limited is looking for a Senior Application Engineer located in Charlotte, NC. The role emphasizes independent... ...incidents, collaboration with support teams, and hands-on .NET development. The ideal candidate will have 10-15 years of experience...Senior.net
- ...leading organization in the technology sector, is seeking a Java Full Stack Developer to join their team. As a Java Full Stack Developer, you will... ...experience in full stack software development using Java, .Net, or Python. Experience with modern UI frameworks such as....netWeekly payContract workTemporary workWork experience placementFlexible hours
- ...Job Summary: We are seeking a highly skilled Senior .NET Full Stack Developer to design, develop, and maintain enterprise-grade applications. The ideal candidate will have deep expertise in backend development using .NET Core, strong front-end skills with AngularJS....net
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- ...Role: Senior Java Full Stack Developer Location: Charlette, NC - 5 days Onsite - No Hybrid Type: contract Mandatory: ReactJS Job Description: 12+ Years IT experience mandate • Strong proficiency and hands-on experience with...SeniorContract work
- A real estate technology company is seeking a Senior Software Engineer to build, scale, and maintain their platform. The ideal candidate has over 7 years of experience, expertise in .NET and React, and a proactive approach to problem solving. This role emphasizes ownership...Senior.netRemote work
- ...Resources in Charlotte, NC is looking for an experienced MS .NET Software Developer. This hybrid role involves developing and supporting... ...and external web applications on the Microsoft .NET + Azure stack, utilizing ASP.NET MVC, REST APIs, and SQL Server. The candidate...Senior.net
- ...A technology solutions provider in Charlotte, NC is seeking a senior software engineer to architect and implement .NET Core applications, develop RESTful APIs, and deliver generative AI solutions. The role demands extensive experience in C# and .NET, proficiency with frontend...Senior.net
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