Principal Back End Developer (HYBRID)

Job Responsibilities

• Serve as the technical lead for multiple software development teams supporting mission-critical programs.
• Architect, design, develop, maintain, and enhance complex backend software solutions throughout the full Software Development Lifecycle (SDLC).
• Provide technical leadership on high-impact projects and establish engineering best practices.
• Collaborate with the Chief Engineer and cross-functional teams to design software features and deliver mission-critical products.
• Analyze user and system requirements to develop scalable, secure, and high-performing software solutions.
• Conduct software architecture reviews, design reviews, and code reviews to ensure quality and maintainability.
• Troubleshoot and resolve complex software defects, integration challenges, and performance issues.
• Exercise sound engineering judgment to solve complex technical problems and drive architectural improvements.
• Independently deliver medium- to large-scale software features while identifying opportunities to improve assigned systems and codebases.
• Mentor software engineers and provide technical guidance throughout project execution.
• Develop and maintain technical documentation, design artifacts, and implementation plans.
• Participate in Agile development activities, including sprint planning, backlog refinement, technical reviews, and release planning.
• Ensure the successful delivery of secure, reliable, and high-quality software solutions.

Minimum Requirements

• Active TS/SCI clearance with Polygraph required.
• Twenty (20) years of experience as a Software Engineer supporting programs and contracts of similar scope, type, and complexity.
• Bachelor's degree in Computer Science or a related discipline from an accredited college or university. Four (4) additional years of Software Engineering experience may be substituted for a bachelor's degree.
• Demonstrated experience serving as the technical lead for software development teams.
• Extensive experience designing, developing, maintaining, and enhancing complex backend applications and distributed systems throughout the full Software Development Lifecycle (SDLC), including design, development, testing, deployment, maintenance, and enhancement.
• Expert-level programming experience with Python, Java, and C++.
• Experience developing applications using Node.js and modern front-end frameworks including Angular and React.
• Experience with Amazon Web Services (AWS), including API Gateway and AWS Lambda, supporting cloud-native application development.
• Experience with Git for source code management and version control.
• Experience with containerization and orchestration technologies including Docker and Kubernetes.
• Experience configuring and supporting HAProxy and Nginx.
• Extensive experience with relational databases, including PostgreSQL, SQL, database schema design, and advanced query optimization.
• Experience with NoSQL database technologies.
• Experience designing and implementing complex algorithms and high-performance software solutions.
• Experience integrating software systems across diverse operating environments and mission platforms.
• Experience developing and executing software testing, quality assurance processes, design reviews, and code reviews.
• Experience generating and reviewing technical documentation and software design artifacts.
• Experience working in Agile software development environments using Jira and Confluence.
• Demonstrated ability to analyze user and system requirements to develop scalable, high-performing software architectures and evaluate technical tradeoffs using sound engineering judgment.
• Proven ability to independently deliver medium- to large-scale software features, identify and drive improvements across software systems and codebases, mentor engineers, and lead successful project execution.