Senior Full Stack Software Engineer

Quartermaster

Senior Full Stack Software Engineer at Quartermaster developing and scaling maritime intelligence applications. Building features from backend geospatial fusion to React components across global operations.

Posted 7/13/2026full-timeArlington • New York, Virginia • 🇺🇸 United StatesSenior💰 $210,000 - $260,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in full-stack software engineering with a strong focus on React and Spring Boot for building scalable applications. Proficient in designing RESTful APIs, optimizing PostGIS queries, and leveraging AWS services to ensure high reliability and performance.

Highest-signal resume keywords

Full-Stack Software EngineeringReact DevelopmentSpring BootPostGISAWS Services

ATS Keywords

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Hard Skills

Full-Stack Software EngineeringReactJavaScriptTypeScriptSpring BootREST APIsPostGISMicroservices ArchitectureContainerizationCI/CD Pipelines

Soft Skills

Strong Communication SkillsMentoring

Tools & Technologies

AWS (S3, Lambda, ECS/EKS, IoT Core, CloudWatch)KubernetesMapping Libraries (Mapbox, Leaflet, Deck.gl)WebSocketsSSE

Industry Keywords

Geospatial DataVessel Tracking SystemsDefense SoftwareMaritime SoftwareData Security Requirements

Tech Stack

Tools & technologies

AWSIoTJavaScriptKubernetesMicroservicesPostGISReactSpringSpring BootSpringBootTypeScript

About the role

Key responsibilities & impact

Design, build, and ship full-stack features across our React web portal and Spring backend services.
Develop and maintain versioned RESTful APIs that surface sensor data, vessel telemetry, and AI detection outputs to end users.
Architect and evolve our microservices layer running on AWS, ensuring reliability, scalability, and low latency under high-throughput data conditions.
Optimize PostGIS queries and data access patterns to support bulk artifact retrieval, map rendering, and time-series analysis across hundreds of vessels.
Build internal admin and fleet management tools that help our operations team configure, monitor, and support deployed SmartMast units.
Collaborate closely with our design team to implement pixel-precise UI components for data-dense map views and sensor visualizations.
Participate in on-call rotations and take ownership of service reliability and incident response for your services.
Review code, mentor engineers, and raise the technical bar for the team.

Requirements

What you’ll need

5+ years of professional full-stack software engineering experience.
Strong command of 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 document databases; able to design schemas and write performant queries.
Working knowledge of AWS services (S3, Lambda, ECS/EKS, IoT Core, CloudWatch) and infrastructure-as-code tooling.
Experience with microservices architecture, containerization (Kubernetes), and CI/CD pipelines.
Ability to read and reason about complex data flows involving real-time streams, large media assets, and geospatial coordinates.
Strong written and verbal communication skills.
Bonus Points:
Experience with geospatial data, mapping libraries (Mapbox, Leaflet, Deck.gl), or AIS/vessel tracking systems.
Familiarity with WebSockets or SSE for real-time UI updates.
Background in defense, maritime, or government software with exposure to data security requirements.
Experience integrating ML model outputs into user-facing product features.

Benefits

Comp & perks

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