Job Summary:The Senior Lead Developer leads all hands-on development, enhancement, and technical implementation efforts across federal agency applications. This role is responsible for delivering high-quality code for both minor and major enhancements, modernization initiatives, and operational support. Key Responsibilities: - Lead development efforts using .NET/C#, Power Platform, SharePoint Online, and related technologies. - Perform major enhancements and complex integrations. - Conduct code reviews, enforce coding standards, and implement automated testing/CI/CD pipelines. - Troubleshoot and resolve complex technical issues in production environments. - Support migration of legacy systems and applications to modern Azure/M365 platforms. - Develop and maintain technical documentation, runbooks, and configuration artifacts. - Collaborate with the Technical Lead on architecture and design decisions. - Ensure all development complies with security, accessibility (Section 508), and quality standards. - Provide technical mentoring to junior developers. Required Qualifications: - Minimum 7–10 years of software development experience, with at least 5 years in a lead role. - Expert-level proficiency in C#/.NET, Microsoft Power Platform, SQL Server, and Azure services. - Strong experience with Agile development, DevSecOps, version control (Git), and CI/CD. - Experience supporting federal applications (preferably in Azure Government or GCC environments). - Solid understanding of cybersecurity best practices and secure development lifecycle. # About GBTI GBTI Solutions, Inc.(GBTI) is revolutionizing how IT works, leveraging innovative and cutting edge technology to deliver time efficient, high-quality, and cost- effective business solutions to government, commercial, and non-profit clients across three continents. Since our founding in 2005, we have delivered customized solutions designed to meet each client's needs and requirements. Our innovative products, GEMS and ION each offer new insight on Human Resources and Physical Assets. GBTI works to truly understand these needs so that we can effectively solve their technical and business challenges while providing added value through a comprehensive solution approach. We deliver our solutions and products through four core practices centered upon Software Development, Data Management, Intelligent Transformation, and Research & Development (R&D): Currently, the GBTI Innovation Lab is working with leading edge technologies like Artificial Intelligence, Machine Learning, Rapid Acquisition and Blockchain for research and development. Mission StatementGBTI is revolutionizing how IT works, leveraging innovative and cutting edge technology to deliver time efficient, high- quality, and cost-effective business solutions. To achieve this mission, GBTI has adopted the following core values: - Quality – Everything we do must meet high and measurable quality standards and applicable requirements. - Responsiveness – We must listen to our clients and respond quickly to their specific and changing needs. We must respond to problems very quickly and provide timely solutions. - Care – We must care about our clients. We must care about our people. We must care about each other. We must care about the company that carries our people's dreams. - Growth – We must help our clients, our people and our company to continually grow in value and capability. - Fun – We must create a working environment such that clients have fun to work with us and our people have fun to work with each other. - Improvement – We must monitor, measure, analyze, and evaluation our operations and performance continuously to achieve continual improvement of our operations and performance As any company, GBTI often faces challenging situations and must make critical decisions. This set of core values are our guiding principles in making tough choices. This set of core values are also the foundation for our business strategy, our recruitment process, our solution methods, our management approaches, and our relationships with our clients and with our people.