Quartermaster
Senior Full Stack Software Engineer
$210K–$260K
Arlington, VA · Hybrid · Senior · Full-time · Posted Jul 17, 2026
- Experience
- 5+ years of professional full-stack software engineering experience (listed under preferred qualifications).
About the job
Build and scale Quartermaster’s operator-facing maritime intelligence application, delivering full-stack features for monitoring, querying, and acting on real-time sensor and vessel data.
What you'll do
- Build features across the React portal and Spring backend, including versioned REST APIs and internal fleet-management tools.
- Develop and optimize AWS microservices and PostGIS data access for reliable, low-latency geospatial and time-series use.
- Support service reliability and incident response; review code, mentor engineers, and collaborate on data-dense UI components.
Nice to have
- Geospatial, mapping, or AIS/vessel-tracking experience; WebSockets or SSE familiarity.
- Defense, maritime, or government software experience, or experience integrating ML outputs into product features.
Pay
$210K – $260K USD base salary
Tools
React, JavaScript/TypeScript, Spring Boot, PostGIS, AWS, S3, Lambda, Kubernetes
AI focus
Develop APIs that surface AI detection outputs; integrating ML model outputs into user-facing features is a bonus.
Model-written summary · the original posting is authoritative