Quartermaster

Senior Full Stack Software Engineer

Quartermaster
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1 month ago
Arlington, VA, USA or New York, NY, USASenior

Base Salary

$210k - $260k/yr

Responsibilities

  • Design, build, and ship full-stack features across the React web portal and Spring backend services.
  • Develop and maintain versioned APIs for sensor data, vessel telemetry, and AI detection outputs.
  • Architect and evolve AWS-based services for reliability, scalability, and low latency under high-throughput conditions.
  • Optimize PostGIS queries and data-access patterns for artifact retrieval, map rendering, and time-series analysis.
  • Build internal administration and fleet-management tools for configuring, monitoring, and supporting SmartMast units.
  • Implement precise UI components for data-dense map views and sensor visualizations in collaboration with the design team.
  • Participate in on-call rotations and own service reliability and incident response.
  • Review code, mentor engineers, and raise the team’s technical bar.

Requirements

  • At least 5 years of professional full-stack software engineering experience.
  • Strong experience with React and modern JavaScript/TypeScript for complex web applications.
  • Backend experience with Spring Boot and designing REST APIs at scale.
  • Hands-on experience with PostGIS, document databases, schema design, and performant queries.
  • Working knowledge of AWS services including S3, Lambda, ECS/EKS, IoT Core, and CloudWatch.
  • Experience with microservices architecture, Kubernetes containerization, and CI/CD pipelines.
  • Ability to reason about real-time streams, large media assets, and geospatial coordinates.
  • Strong written and verbal communication skills.
  • Preferred experience with geospatial data, Mapbox, Leaflet, Deck.gl, or AIS/vessel tracking systems.
  • Preferred familiarity with WebSockets or SSE for real-time UI updates.
  • Preferred background in defense, maritime, or government software and data security requirements.
  • Preferred experience integrating ML model outputs into user-facing product features.

Benefits

  • Distributed team environment with asynchronous work
  • In-office and flexible-hours work arrangement
  • Startup atmosphere with autonomy for engineers
Quartermaster

About Quartermaster

51-200 employees

Quartermaster AI is building the world's largest maritime awareness network on the planet.