Full Stack Software Engineer-Principal
Netsage · Annapolis Junction, Maryland, United States · Posted Jun 24, 2026
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We are seeking a Principal Full Stack Software Engineer to develop, maintain, and enhance complex and diverse software systems. In this role, you will support complex, multifaceted software systems—such as data-intensive analytics platforms, advanced algorithmic solutions, large-scale data processing environments, real-time applications, and business information systems—based on defined and documented requirements. The ideal candidate for this role will have front-end and back-end web development experience. Please consider applying if you meet the following qualifications.
Required Qualifications:
TS/SCI with polygraph.
A Bachelor of Science (B.S.) degree in computer science or a related STEM discipline and twelve (12) years or relevant experience is required. In lieu of a degree, sixteen (16) years of relevant experience is acceptable.
Front-end web development language experience in JavaScript, JavaScript XML (JSX) in React, and Typescript
Back-end development language experience in Node.js/JavaScript, Rust, Python, and shell script.
Micro-services architecture experience/ familiarity to inlcude:
Kubernetes
Helm Charts
Micro-Services deployment patterns
Service-mesh
Multi-site applications
Load Balancing topologies
Cloud Migration
Experience or familiarity with the following tech stack architecture:
NiFi, Testing frameworks (JEST), Grafana, InfluxDb, Elasticsearch, Redis, MySQL, Apache, Superset, RabbitMQ/Kafka/Message Fabrics, Ansible/Salt, Terraform, Web-Sockets, and Neo4j
Experience analyzing user requirements to derive software design and performance requirements.
Experience designing and coding new software or modifying existing software to add new features.
Experience debugging existing software and correcting defects.