Senior Full Stack Software Engineer (Arlington)

Hybrid 3 days per week in Arlington, VACompensation: $240K–$270K base + equity (targeting $300K+ total comp).About the CompanyOur client is a fast-growing, profitable, venture-backed startup building advanced maritime intelligence systems used across commercial and defense environments. They have a network of sensors deployed on ships around the world providing unmatched intelligence to operators, are growing rapidly, and are looking for the right additional to their team!The team comes from top-tier startups and technical orgs, and they're focused on building real systems that operate in the field. Think edge devices, real-time data, video, and mission-critical environments.If you've ever wanted to work on software that actually touches the real world while having real equity and project ownership, this is it.Why This RoleYou won't be stuck on one layer of the stack.You'll be building the interfaces, pipelines, and systems that connect hardware → cloud → user, including mobile apps, web platforms, and real-time data flows.There's a ton of ownership here. You'll ship fast, solve real problems, and work on systems that are actively used in the field.This is a strong fit for engineers who:Get bored working on isolated frontend or backend problemsWant to work on real-time systems, data, and infrastructureLike debugging complex systems end-to-endCare about building things that actually matterWhat You'll Work OnBuilding and scaling web + mobile applications that interface with real-world systemsDesigning backend services in Node.js that handle live data streamsWorking with AWS (IoT, Kinesis, S3) to ingest and process data from distributed systemsBuilding frontend experiences in React Native, Kotlin, and TypeScriptImplementing video streaming workflows (RTSP / SRT)Integrating across cloud systems, mobile apps, and edge devicesDebugging issues across the full stack, including real-time and production environmentsWhat You Bring6+ years of full stack experienceMust have experience with GIS or mapping dataStrong in Node.js + modern frontend (React Native / TypeScript), as well as AWS and real-world data pipelines.Must be eligible for a security clearancePast experience in defense or maritime environments a large plusExperience with hardware-integrated or edge systemsExperience with video streaming (RTSP / SRT)Experience building mobile apps (iOS + Android)Comfort working across systems, not just within one layerStrong debugging instincts and ability to figure things out quickly