Senior .NET & React Full-Stack Engineer

Cayuse Holdings; Washington (District of Columbia); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Medical, Dental & Vision Insurance

Flexible Spending Accounts

Short-Term & Long-Term Disability

Life Insurance & AD&D

401(k) with company match

Paid Time Off

Job summary

Cayuse Holdings is seeking a .NET/React Full Stack Developer, SME, to design, build, and maintain high- quality web applications. You will work across front-end and back-end layers, crafting scalable APIs and components while collaborating with cross-functional teams to deliver features on time.

The role requires 8+ years in full-stack development, strong React/TypeScript skills, and a Top Secret clearance. The position is onsite with potential for routine collaboration across teams and projects.

Qualifications

• Bachelor’s degree in Information Technology, Computer Science, or related field, or equivalent experience.
• At least 8 years of professional experience in full-stack software development.
• Proficiency in ASP.NET framework, .NET languages (e.g., C#, ADO.NET, EF), and Entity Framework.
• Strong knowledge of SQL Server and REST APIs.
• Hands-on experience with React, TypeScript, JavaScript, Node.js, and web technologies.
• Strong understanding of front-end and back-end design patterns.
• Proficient in writing reusable, maintainable code focused on performance and scalability.
• Ability to collaborate with teams and communicate with stakeholders.
• Active Top Secret Security Clearance; ability to pass background checks.

Responsibilities

• Build, enhance, and maintain web applications based on ASP.NET, EF, and SQL Server.
• Develop front-end components using React, TypeScript, JavaScript, Node.js, HTML5/CSS3.
• Design scalable, reusable components for front-end and back-end.
• Develop APIs with REST architecture and DI best practices.
• Ensure applications are high-performing, secure, and responsive.
• Collaborate with designers, PMs, and developers to implement new features.
• Write clean, scalable code following industry standards and best practices.
• Conduct unit, integration, and system testing; address issues proactively.
• Participate in code reviews and CI/CD workflows using GitLab.
• Work with Agile/Scrum methodologies to ensure timely feature delivery.

Skills

ASP.NET

C#

Entity Framework

REST APIs

React

TypeScript

JavaScript

Node.js

HTML5/CSS3

SQL Server

Git/GitLab

Agile/Scrum

Security clearance

Unit/Integration testing

Education

Bachelor’s degree in IT/CS or related field

Tools

React

TypeScript

JavaScript

Node.js

GitLab

Docker

Azure/AWS

Job description

Cayuse Holdings is seeking a .NET/React Full Stack Developer, SME, to design, build, and maintain high- quality web applications. You will work across front-end and back-end layers, crafting scalable APIs and components while collaborating with cross-functional teams to deliver features on time.

The role requires 8+ years in full-stack development, strong React/TypeScript skills, and a Top Secret clearance. The position is onsite with potential for routine collaboration across teams and projects.