Senior .Net & REACT Full Stack Developer
Confirmed on the employer's own hiring board on Oct 16, 2026. First seen by Alion on Jun 23, 2026. Synergy ECP scores D on the Alion truth index.
As a .NET/React Full Stack Developer, you will play a critical role in the development and maintenance of web applications and services. You will be responsible for designing, coding, testing, and deploying high-quality software solutions using the .NET framework and associated technologies, as well as React. Your expertise in both front-end and back-end development will be essential in creating seamless and efficient user experiences. You will collaborate closely with cross-functional teams, including designers, product managers, and other developers, to deliver robust and scalable applications.
In this role, you will engage in the full software development lifecycle, from concept and design to testing and deployment. You will be expected to write clean, maintainable, and efficient code, and to adhere to best practices and coding standards. Your ability to troubleshoot and resolve complex technical issues will be crucial in ensuring the reliability and performance of our applications. Additionally, you will participate in code reviews, provide constructive feedback, and contribute to the continuous improvement of our development processes.
What you'll do:
Experienced with ASP.NET framework, Entity Framework, SQL Server and design/ architectural patterns (e.g. APIs with Dependency Injection)
Experienced with .NET languages (e.g. C#, ADO.NET, EF)
Familiarity or experience with architecture styles/APIs (REST, RPC)
Develop and maintain web applications using React, TypeScript, JavaScript, Node.js and HTML5/CSS3
Design and implement both front-end and back-end components of the application.
Ensure the performance, quality, and responsiveness of applications.
Collaborate with cross-functional teams to define, design, and ship new features.
Write clean, scalable, and maintainable code following best practices.
Conduct thorough testing of applications, including unit, integration, and system testing.
Troubleshoot and resolve technical issues and bugs.
Participate in code reviews and provide feedback to peers.
Use Git/Gitlab for source control
What you’ll need:
Bachelor's Degree
Minimum 8 years of experience
Bonus if you have:
Experience with front-end frameworks such as React.
Familiarity with cloud platforms like AWS or Azure.
Knowledge of database design and development, including SQL and NoSQL databases.
Knowledge of Object Relational Mappers, such as Entity Framework
Understanding of DevOps practices and tools, such as CI/CD pipelines, Docker, and Gitlab.
Relevant certifications in .NET development or cloud technologies.
Experience working in an Agile/Scrum development environment.
Strong problem-solving skills and attention to detail.
Excellent communication and collaboration skills.
Security Clearance requirement:
Must possess active TS/SCI clearance to be considered for this role.
Other Requirements:
U.S. Citizenship
Compensation Spotlight:
For this role, our typical salary range starts at $125,000 and stretches up to $155,000. But here's the deal - we're not about capping your potential. We're committed to snapping up the best and brightest, and we're ready to put our money where our mouth is. So, if you're one of the rare exceptions to the status quo with the education, experience, and that extra something special, we're not afraid to go above and beyond to secure your talent. Because for us, it's not just about a salary. It's about the complete rewards package, the culture, and the opportunity to make a real impact.