Graham Technologies is seeking an experienced Senior Lead Developer to lead enterprise application development efforts supporting a Federal customer. This position is responsible for designing, developing, testing, deploying, and maintaining modern business applications while providing technical leadership across multiple Agile software development teams.This position supports a Federal customer and requires regular onsite collaboration within the Washington, DC metropolitan area in accordance with Government requirements and mission needs.Essential Duties & ResponsibilitiesLead enterprise software development projects utilizing Agile methodologies. Design, develop, test, deploy, and maintain enterprise applications. Develop Microsoft Power Platform solutions and custom .NET applications. Design RESTful APIs and enterprise integrations. Lead peer code reviews and establish development standards. Implement DevSecOps pipelines, CI/CD automation, SAST, DAST, and secure coding practices. Troubleshoot complex application issues and support production environments. Develop technical documentation, runbooks, and deployment artifacts. Collaborate with architects, project managers, business analysts, and Government stakeholders. Mentor junior developers and promote engineering best practices. Minimum QualificationsBachelor's degree in Computer Science, Information Technology, Engineering, or related discipline. 8+ years of software development experience. 5+ years developing enterprise applications using C#/.NET. Experience with Azure cloud technologies and Microsoft Power Platform. Experience with SQL Server, REST APIs, Agile software development, and DevSecOps. Preferred QualificationsMicrosoft Certified: Azure Developer Associate Microsoft Power Platform Developer Certification Azure DevOps Engineer Expert Certified Scrum Developer (CSD) Security RequirementsMust be able to successfully obtain and maintain a Tier 2 (Moderate Risk) Public Trust Background Investigation. Must be able to obtain and maintain a Government-issued Personal Identity Verification (PIV) credential.Compensation: At Graham Technologies, we believe in treating everyone with fairness and respect. Our compensation package is designed to ensure fair pay for work, reflecting our commitment to integrity. Many IT companies offer similar services, but what truly sets us apart is our people! We care deeply about our employees and consistently show our appreciation-not just for the final outcomes, but also for the effort and dedication shown every step of the way. Additionally, our generous benefits package supports our team members in living fulfilling and prosperous lives.Here are just a few highlights of what we offer:Four Weeks of Accrued PTO in the First YearEleven Paid Federal HolidaysComprehensive Health, Dental, Vision, and Life Insurance401(k) Plan with Annual Employer ContributionsFlexible SchedulesReimbursements for Continued Education and TrainingWhy Graham Technologies?Our core values define who we are:Value our CustomersCare about our EmployeesPassionate about InnovationBelieve in a Strong Work EthicRely on TeamworkIntegrity MattersFounded in 2007, GTech is a consulting services firm passionate about delivering tailored solutions that meet our clients' needs and maximize the value of their investments. We achieve this by providing top-notch professionals across the IT industry. Our team embodies integrity, commitment, and reliability, which are at the heart of everything we do.We are also dedicated to fostering a culture of support for our employees-the lifeblood of our business. At Graham Technologies, we've built a family-oriented environment where team members are encouraged to maintain a healthy work-life balance, pursue their passions, and grow professionally through flexible schedules, continued education, and a strong sense of community.