Senior .Net & REACT Full Stack Developer

Synergyecp; Washington (District of Columbia); On-site; USD 125,000 - 155,000; Full time

Job summary

Synergyecp is hiring a NET/React Full Stack Developer in Washington, DC. The ideal candidate will have at least 8 years of experience in software development, particularly in .NET and React frameworks. Responsibilities include designing and deploying high-quality applications, collaborating with teams, and conducting comprehensive testing.

The role requires an active TS/SCI clearance and U.S. Citizenship. The typical salary for this position ranges from $125,000 to $155,000.

Qualifications

• Minimum 8 years of experience in software development.
• Must possess an active TS/SCI clearance.
• U.S. Citizenship required.

Responsibilities

• Design, code, and deploy .NET/React applications.
• Collaborate with cross‑functional teams for feature delivery.
• Conduct thorough testing, including unit and integration tests.

Skills

ASP.NET framework

C#

React

SQL Server

Node.js

Git/Gitlab

HTML5/CSS3

Education

Bachelor's Degree

Tools

Entity Framework

AWS

Azure

Docker

Job description

NetServices (NSI) is an IT services firm with a long-standing reputation for delivering high-quality, cost-effective solutions to drive lasting results. Now operating as a subsidiary of Synergy ECP, NSI continues to stand out in a crowded contracting landscape through its agility, strong customer focus, and commitment to retaining exceptional talent.

NET/React Full Stack Developer

As a .NET/React Full Stack Developer, you will play a critical role in the development and maintenance of web applications and services. Your responsibilities include designing, coding, testing, and deploying high‑quality software solutions using the .NET framework and React. You will collaborate closely with cross‑functional teams, including designers, product managers, and other developers, to deliver robust and scalable applications.

Responsibilities

• Experience with ASP.NET framework, Entity Framework, SQL Server and design/architectural patterns (e.g., APIs with Dependency Injection)
• Experience 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

Qualifications

• 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 an active TS/SCI clearance to be considered for this role.

Other Requirements

U.S. Citizenship.

Compensation Spotlight

Typical salary range starts at $125,000 and goes up to $155,000.

NetServices (NSI)/Synergy ECP is committed to providing equal employment opportunities to all qualified individuals. Employment decisions are based on merit, qualifications, and business needs. We do not discriminate on the basis of race, color, sex, national origin, religion, age, disability, or any other status protected by applicable law.