Full-Stack Engineer
About the job
- Experience with front-end technologies including Tailwind CSS, TypeScript, React and Next.js, modern build tools such as Vite or Webpack, server-side rendering, React Error Boundaries and Suspense, familiarity with RESTful APIs (GraphQL is a plus), and state management (React Context, Zustand, Redux, etc.).
- Experience with back-end technologies including Node.js, Python with type checking (mypy), authentication and authorization (OAuth, JWT), input validation libraries (Zod, Valibot), logging and monitoring (Sentry), and unit and integration testing (Vitest).
- Relational database experience including PostgreSQL or MySQL, data modeling, schema migrations, advanced SQL concepts (window functions, common table expressions, materialized views, stored procedures, triggers), performance optimization (indexing, EXPLAIN ANALYZE), ETL and data pipelines, and experience with streaming platforms such as Kafka or RedPanda is a plus.
- DevOps experience including continuous integration and deployment with GitHub Actions or GitLab Pipelines, Docker, Docker Compose (Kubernetes is a plus), infrastructure as code tools (Pulumi, Terraform), semantic versioning, deployment strategies, feature flags, linting/formatting tools (ESLint, Prettier), and cloud provider experience (AWS or others).
- Willingness to undergo and obtain a Secret or Top Secret/SCI security clearance.
- Build complete end-to-end web applications spanning client-side and server-side development to deliver functional, integrated solutions.
- Implement responsive user interfaces and client-side logic.
- Develop and integrate server-side business logic and APIs.
- Design, optimize, and maintain relational databases, including data modeling, migrations, and performance tuning.
- Create and manage API integrations and ensure cross-platform compatibility.
- Candidates with a GitHub (or other open-source) profile demonstrating code quality and attention to detail.
About the company
Spear AI builds AI and machine-learning tools for national security and maritime missions. Its Horizon AI Platform labels and manages acoustic data, while Forerunner handles edge AI processing and it also offers field-ready maritime sensors; combined with consulting services on AI strategy and data pipelines, the company provides a deployable hardware-software stack. The solutions help operators interpret passive acoustics to distinguish background sounds from potential threats, improving decision-making and situational awareness in challenging maritime environments. The team’s Navy background and focus on defense use set it apart, aiming to support Navy and allied operations with reliable, integrated tools for detection, data management, and edge computing.
Company Size
1-10
Company Stage
Seed
Total Funding
$2.3M
Headquarters
Washington DC, District of Columbia
Founded
2022
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Simplify's Take
What believers are saying
- August 2026 BlueTIDE win strengthens sales credibility entering new Navy competitions.
- July 2025 seed funding from Cortical Ventures and Scare the Bear financed expansion.
- August 2026 careers page showed active hiring across eight Services roles, signaling growth.
What critics are saying
- Navy concentration remains severe; one buyer dominates revenue and procurement timing.
- Defense primes and better-funded maritime startups can outspend Spear AI on integration.
- If Navy programs shift away from acoustic submarines, Spear AI loses its core thesis.
What makes Spear AI unique
- Former Navy intelligence and submarine leadership give Spear AI operator credibility.
- Horizon and edge sensors target passive acoustic workflows, not generic defense AI.
- BlueTIDE 2026 award validated Counter UxS performance against peer maritime teams.
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Benefits
- Unlimited Paid Time Off
- Paid Sick Leave
- Health Insurance
- Dental Insurance
- Vision Insurance
- 11 Paid Holidays
- Professional Development Budget
- Remote Work Options
- Flexible Work Hours
- Hybrid Work Options
- 401(k) Company Match
- Relocation Assistance