Lead Software Engineer (San Diego)

Data Intelligence, LLC is seeking a Lead Software Engineer to support one of our premier clients in the defense industry. This role is located in San Diego, CA, and will focus on developing and sustaining mission-critical applications within a secure DoD environment. The ideal candidate will bring strong technical leadership, hands-on development expertise, and experience working on large-scale, secure systems.Key ResponsibilitiesLead the design, development, and maintenance of large-scale DoD desktop and web-based distributed applications Collaborate with system engineers, business analysts, developers, testers, and end-users to gather requirements and develop technical solutions Develop and implement proof-of-concepts based on user and mission needs Architect and document system designs, ensuring alignment with project requirements and DoD standards Oversee full Software Development Life Cycle (SDLC) processes using Agile and incremental development methodologies Ensure compliance with DoD Application Security Development STIGs (ASD STIGs) and cybersecurity best practices Troubleshoot and resolve complex software, database, and network issues; perform root cause analysis and implement fixes Provide technical leadership, mentorship, and code reviews for development teams Interface directly with government stakeholders and provide regular progress updates Maintain detailed documentation of system architecture, code changes, and development processes Required QualificationsBachelor’s Degree in Information Technology, Computer Science, or related field 10+ years of experience developing and supporting software application suites in a DoD environment 5+ years of experience developing large-scale distributed applications using Microsoft technologies, including: .NET C# SQL Server Experience with web-based application development using JavaScript frameworks such as Angular, Node.js, or Backbone Strong knowledge of web technologies including Web API, HTML, and CSS Experience troubleshooting application code and resolving bugs across complex systems Hands-on experience with Agile development methodologies in enterprise environments Knowledge of object-oriented programming languages such as Java and C# Experience developing software in compliance with DoD security requirements (STIGs) Ability to define system requirements, develop architecture documentation, and lead project execution Preferred QualificationsExperience with TORIS platform or similar DoD information systems Strong background supporting classified or mission-critical systems Proven ability to lead technical teams and manage multiple priorities