Senior Full Stack Software Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Full Stack Software Engineer - Clearance Required based in United States.

• Lead and mentor a team of software engineers by guiding technical decisions, conducting code reviews, establishing engineering standards, and maintaining strong documentation practices.
• Own full-stack systems design decisions spanning API architecture, relational data models, frontend component structures, and interactions between client and server systems.
• Lead an AI-enabled development team, establishing guardrails, validation layers, automated testing, and supporting systems that ensure AI-assisted output is safe, reliable, and production-ready.
• Translate product and design requirements into clear, well-scoped engineering tasks and distribute work effectively across the team.
• Build intuitive, responsive frontend experiences using React, TypeScript, modern component libraries, reusable UI patterns, and responsive design principles.
• Develop secure and maintainable backend services using Express.js, REST APIs, Prisma ORM, and modular service architectures.
• Collaborate with product, design, DevSecOps, and field teams to deliver new capabilities quickly while maintaining strong security and quality standards.
• Drive rapid prototyping and iterative development while ensuring production-grade engineering practices across the team.
• Champion automated testing and quality gates through unit, integration, and end-to-end testing across the application stack.
• Troubleshoot complex defects, resolve performance bottlenecks, and optimize applications for secure IL6 deployment requirements.
• Help shape development processes and technical best practices within an Agile or Lean environment focused on rapid delivery and direct user feedback.

• 8+ years of relevant software engineering experience, including demonstrated experience leading or mentoring software engineers.
• Proven ownership of full-stack software development spanning infrastructure, backend services, APIs, data systems, and user-facing experiences.
• Experience leading AI-enabled engineering teams, including implementing guardrails, validation mechanisms, end-to-end testing, and supporting systems for reliable AI-assisted development.
• Strong full-stack proficiency with the ability to make architectural decisions across frontend and backend systems.
• Advanced frontend experience with React, including component design, hooks, modern frontend patterns, JavaScript or TypeScript, HTML, CSS, and responsive design.
• Strong backend development experience with Express.js, Prisma ORM, relational databases, SQL, indexing, and query optimization.
• Deep understanding of systems design and frontend/backend integration, including state management, REST APIs, asynchronous data fetching, and event-driven or asynchronous messaging patterns.
• Experience with automated testing tools such as Jest, Vitest, React Testing Library, Playwright, or Cypress, with a track record of incorporating validation and end-to-end testing into software delivery.
• Ability to translate product and design requirements into actionable, appropriately scoped engineering work.
• Familiarity with secure software development practices and CI/CD pipelines using tools such as GitHub Actions or GitLab.
• Comfortable leading engineering teams in Agile or Lean environments with rapid development cycles and direct user feedback.
• U.S. citizenship and the ability to obtain and maintain a government security clearance; an active Secret or Top Secret clearance is preferred.
• Experience with secure government environments such as Department of Defense, IL5+, or FedRAMP environments is a plus.
• Experience developing geospatial applications is advantageous.
• Security+ or AWS Developer/Architect certifications are beneficial.
• Startup or rapid-growth engineering experience is a plus.
• Strong communication, leadership, collaboration, problem-solving, and technical decision-making skills.

• Salary: Target compensation range of $134,367.66 – $232,404.55, with individual compensation determined by factors including location, internal equity, business considerations, client requirements, education, experience, skills, and security clearance.
• Fully remote work opportunity within the United States.
• Opportunity to lead and mentor engineering teams while remaining hands-on with software development and architecture.
• Work on mission-critical applications supporting government and defense users.
• Exposure to AI-enabled software development, secure cloud environments, geospatial technologies, and modern full-stack engineering practices.
• Opportunity to influence technical direction across frontend, backend, infrastructure, testing, and deployment.
• Collaborative environment involving pro...