Senior .NET Developer/Technical Lead

Company: CACI
Location: Arlington
Posted on: April 2, 2026

Job Description:

Job Title: Senior .NET Developer/Technical Lead Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: The CACI team is looking to add a Senior Full Stack .NET Developer, Lead w/ REACT to their growing software development contract with the Department of State in Rosslyn, VA. The Senior .NET/React developer will be responsible for designing, implementing, and testing the application while working closely with Government stakeholders and users to enhance current business processes. Responsibilities: Serve as a Full Stack .NET Developer, Lead w/ REACT with responsibilities to include: Participate in project planning sessions with technical and functional leads, business analysts, and other team members to analyze business requirements and outline the proposed IT solution Work with customers to clarify requirements, classify and prioritize user requests, and fix bug requests and operational issues reported by users Write, interpret, and analyze technical documentation related to information technology Deep understanding of SDLC processes, spanning requirements/issue management, defect tracking, source control, build and test automation, and release management Provide recommended software development enhancements or changes in support of existing and projected organizational mission requirements Create diagrams representing current application designs, data architecture, and flows Develop responsive and accessible user interfaces using React, integrating them with .NET back-end services and APIs Qualifications: Required: Bachelor’s Degree in Computer Science or related degree 10 years of experience with .NET framework and customization and development involving programming languages like .NET, ASP.NET, C#, HTML, JavaScript, and jQuery 3 years of experience developing front-end applications with React, including state management (Redux or equivalent), hooks, and reusable component design Expertise with Microsoft SQL Server Expertise building REST APIs, preferably .NET Web API Experience performing requirements analysis using Agile methodologies Excellent problem solving and resolution skills Experience in Application Security Code Review and/or Application Vulnerability Assessment Experience developing 508 compliant, cross-browser compatible user interfaces Strong knowledge of Azure DevOps (ADO) and CI/CD pipelines Exposure to Agile project management and task tracking tools such as ADO Boards or JIRA Active Secret clearance Desired: Certifications in Azure, AWS, GCP, or other technologies Comfortable with designing user interfaces using CSS / Bootstrap Experience with React testing frameworks such as Jest or React Testing Library Experience working with other front-end frameworks such as Angular - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. The proposed salary range for this position is: $103,800 - $218,100 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Keywords: CACI, North Bethesda , Senior .NET Developer/Technical Lead, IT / Software / Systems , Arlington, Maryland