Senior Full-Stack Engineer

🕒 April 13

🇺🇸 United States – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 35%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Spear AI

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2020

💼 Consulting

🏭 Manufacturing

🎖️ Defense

💰 $2.3M Seed Round - Spear AI on 2025-07

Consulting • Manufacturing • Defense

Spear AI is a veteran-led company that builds AI-enabled maritime sensing, edge computing, and simulation solutions to accelerate mission success for maritime and defense operations. Its Horizon AI Platform provides purpose-built data ingestion, labeling, storage, and real-time AI analysis for edge maritime sensors and platforms. Forerunner is an edge AI system for real-time sensor fusion and AI-driven threat assessment; Maritime Sensors are affordable, maintainable devices designed for sea operations; and Omega and Defense Futures simulators enable reinforcement-learning tactics development, multi-agent simulation, wargaming, and operational planning.

📋 Description

• Build application components and pages • Implement historical and real-time data feeds using WebGPU • Design and develop data models using Postgres and Apache Iceberg • Modify real-time data pipelines using MQTT and Redpanda • Modify offline data pipelines using Dagster for batch processing • Modify and integrate machine learning models or other algorithms into the application • Improve local development and CI/CD using modern tooling and GitHub Actions • Collaborate directly with leadership and contribute to mission-critical maritime domain awareness projects • Work on data collected from sonobuoy sensors and U.S. Navy SONAR systems

🎯 Requirements

• Expertise in TypeScript • Expertise in CSS, such as TailwindCSS • Experience with React and frontend frameworks such as Next.js • Familiarity with state management such as React Context • Experience with Node.js, GraphQL, and REST APIs • Proficiency with SQL/PostgreSQL • Knowledge of Docker and Kubernetes • Knowledge of Python • Experience with IoT devices and sensors (nice to have) • Digital signal processing experience (nice to have) • Geospatial analysis and GIS experience (nice to have) • Familiarity with working in monorepos (nice to have) • U.S. citizenship • Willingness to obtain a Secret or Top Secret U.S. clearance • Full-time exempt employment under the FLSA; not eligible for overtime pay

🏖️ Benefits

• Unlimited PTO • Dedicated sick time • Medical, dental, and vision coverage • 11 paid holidays • Professional development opportunities and resources • Collaborative environment with direct access to leadership • Mission-driven work supporting national security • Growth opportunities • 401(k) with company match • Onsite / Remote / Flexible work arrangements or hybrid options (position dependent) • Relocation assistance (position dependent) • Referral bonuses • Performance bonuses • Life insurance and disability coverage • Technology home office setup stipend • Professional certification reimbursement (position dependent)