Senior Full-Stack Engineer, Maritime Real-Time Platform

Quartermaster AI Inc; Arlington (VA); On-site; USD 140,000 - 190,000; Full time

Job summary

Quartermaster AI Inc is seeking a Senior Full Stack Software Engineer to help build and scale the maritime intelligence platform. You will own features end-to-end, from geospatial fusion to React components, and work across a distributed team to deliver real-time data insights from global sensor networks.

Ideal candidates have 5+ years of full-stack experience, strong React/TypeScript, Spring Boot, and hands-on PostGIS, AWS, and Kubernetes.

Qualifications

• 5+ years of professional full-stack software engineering experience.
• Strong React and modern JavaScript/TypeScript for building complex, stateful web applications.
• Solid backend chops in Spring Boot; experience designing and building REST APIs at scale.
• Hands-on experience with PostGIS databases and geospatial data handling.
• Working knowledge of AWS services (S3, Lambda, ECS/EKS) and CI/CD pipelines.

Responsibilities

• Design, build, and ship full-stack features across the React web portal and Spring backend services.
• Develop and maintain versioned RESTful APIs that surface sensor data, vessel telemetry, and AI outputs to end users.
• Architect and evolve our microservices layer on AWS for reliability, scalability, and low latency.
• Optimize PostGIS queries and data access patterns for maps, time-series, and bulk retrieval.
• Build internal admin and fleet management tools to configure and monitor deployed units.
• Collaborate with design for pixel-precise UI components for data-dense maps and visualizations.
• Participate in on-call rotations and own service reliability and incident response.

Skills

React

JavaScript/TypeScript

Spring Boot

PostGIS

AWS

Kubernetes

REST APIs

CI/CD

Geospatial data

Tools

Mapbox

Leaflet

Deck.gl

Job description

Quartermaster AI Inc is seeking a Senior Full Stack Software Engineer to help build and scale the maritime intelligence platform. You will own features end-to-end, from geospatial fusion to React components, and work across a distributed team to deliver real-time data insights from global sensor networks.

Ideal candidates have 5+ years of full-stack experience, strong React/TypeScript, Spring Boot, and hands-on PostGIS, AWS, and Kubernetes.