Senior Full Stack Software Engineer - Clearance Required
- Remote, United States
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Overview:
We're looking for a Senior Full Stack Developer with deep expertise across the frontend (React, TypeScript, CSS, HTML) and backend (Node.js, Express.js, OpenAPI, relational databases) stack to lead our app team. You'll set technical direction, mentor engineers, and drive systems design decisions across the platform. Working closely with product owners, designers, and fellow engineers, you'll iterate quickly on features, improve performance, and build out a secure, scalable platform for real-world military and government users. This role blends technical leadership, architectural ownership, and hands-on coding, spanning everything from UI workflows to distributed backend services to deployment automation. This role requires an active Secret security clearance.
LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.
Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value.
Our team is laser-focused on building a unified, real-time common operating picture fusing asset data, threat information, terrain, routes, and protection effects. If you’re ready to dive in, take ownership, and ship real value, keep reading.
Responsibilities:
What You'll Do:
- Lead and mentor a team of software engineers, guiding technical decisions, conducting code reviews, and establishing best practices and documentation.
- Drive full-stack systems design decisions involving API architecture, data models, and UI component structure.
- Lead an AI-enabled development team, owning the guardrails, validation layers, end-to-end tests, and supporting systems that keep AI-assisted output safe, reliable, and production-grade.
- Break down product and design requirements into clear, workable, well-scoped engineering tasks and distribute them effectively across the team.
- Build intuitive, responsive front-end experiences using React and modern component libraries, translating requirements into clean, reusable UI components.
- Write clean, secure back-end services using Express.js, with a focus on REST APIs, modular design, and Prisma ORM.
- Collaborate across design, product, DevSecOps, and field teams to launch features quickly and securely.
- Drive rapid prototyping cycles while enforcing production-grade coding standards across the team.
- Champion automated testing and code quality gates by writing and reviewing unit, integration, and end-to-end tests.
- Troubleshoot bugs, squash performance bottlenecks, and build for IL6 deployment requirements.
What We're Looking For
- 8+ years of relevant software engineering experience, including prior experience leading engineers.
- Demonstrated ownership of full stack software development from infrastructure to user experience.
- Experience leading an AI-enabled development team, including owning the guardrails, validation, end-to-end testing, and support systems needed to safely and reliably ship AI-assisted work.
- Full stack proficiency across frontend and backend, with demonstrated ability to make architectural decisions spanning both.
- Strong frontend skills: React (component design, hooks, modern front-end patterns), JavaScript/TypeScript, and a solid grasp of HTML, CSS, and responsive design principles.
- Strong backend skills: Express.JS, with hands-on experience with Prisma ORM and relational databases, plus a solid understanding of SQL, indexing, and query optimization.
- Deep understanding of systems design and the relationship between frontend and backend systems, including state management, REST APIs, async data fetching, and event-driven/asynchronous messaging patterns.
- Experience with testing tools across the stack (e.g., Jest, Vitest, React Testing Library, Playwright, Cypress) and a track record of building automated validation and end-to-end testing into delivery.
- Proven ability to turn product and design requirements into workable, well-scoped engineering tasks.
- Familiarity with secure software development practices and CI/CD pipelines (GitHub Actions, GitLab, etc).
- Comfortable leading in Agile or Lean environments, with rapid delivery cycles and direct user feedback loops.
- US Citizenship with the ability to obtain and maintain a government security clearance. Active Secret or TS clearance preferred
Bonus Points For:
- Hands-on work with secure government environments (DoD, IL5+, FedRAMP).
- Experience building geospatial applications.
- Certifications like Security+ and AWS Developer/Architect.
- Past experience at a startup or in rapid-growth teams.
The target salary range for this position is $134367.66 - $232404.55
The salary range displayed represents the typical salary range for this position and is not a guarantee of compensation. Individual salaries are determined by various factors including, but not limited to location, internal equity, business considerations, client contract requirements, and candidate qualifications, such as education, experience, skills, and security clearances.
Job Locations: US-Remote