Full Stack Developer-Principal
- Level
- Principal
Not stated in the posting: salary, work type, visa.
Open. First seen 8 October 2026.
About the role
At NetSage, we are more than a government contractor—we are a mission-focused partner dedicated to advancing national security through exceptional cyber expertise. We believe our success begins with our people, which is why we invest in and care for our employees. We know that employee retention is mission continuity, and we are committed to building long-term careers where our people can grow alongside our customers' evolving missions.
Our employees enjoy meaningful work, competitive compensation, outstanding benefits, and opportunities to expand their skills across multiple mission areas. To learn more about our comprehensive benefits and what it's like to build your career at NetSage, visit our Careers page.
NetSage's standard text
Due to the sensitive nature of the work we support, some job descriptions intentionally provide a high-level overview of the role. If you'd like to learn more about a particular opportunity, we encourage you to apply directly or connect with us through our Get In Touch page. We'd be happy to discuss how your experience aligns with our mission and explore where you can make an impact.
Job Description:
We are seeking a Principal Full-Stack Developer to support an exciting mission focused on revolutionizing tradecraft. In this role, you will work directly with mission stakeholders to define requirements and architect, develop, integrate, and deploy enterprise solutions that bring together cloud infrastructure, data engineering, visualization, software development, and artificial intelligence/ machine learning (AI/ML) capabilities. The ideal candidate for this position will be a senior technical developer with strong Python and Java expertise and broad experience across AWS, enterprise data platforms, application programming interface (API) development, and the operationalization of advanced analytics and AI.
NetSage's standard text
Please consider applying if you meet the following qualifications.
Required Qualifications:
- TS/SCI with polygraph security clearance.
- A Bachelor of Science (B.S.) degree in Computer Science or a related field and eleven (11) years of relevant experience. Also acceptable are a Doctoral degree (PH.D.) and seven (7) years, a Master of Science (M.S.) degree and nine (9) years, or an Associate of Science (A.S.) degree and thirteen (13) years of experience.
- Strong software development experience with Python and Java.
- Experience with R for statistical computing, data analysis, or analytical development.
- Experience designing and developing full-stack applications and RESTful APIs.
- Experience with AWS cloud technologies and cloud-native application development.
- Experience designing, developing, or supporting enterprise data warehouses and data engineering solutions.
- Experience developing Business Intelligence capabilities, dashboards, data visualizations, and analytical applications.
- Experience with Tableau and/or Power BI.
- Experience with Docker and Kubernetes for containerization and application orchestration.
- Knowledge of AI/ML development and MLOps practices, including the transition of models and analytical prototypes into operational environments.
- Experience working with Large Language Models (LLMs) and prompt engineering techniques.
- Experience using Jupyter Notebooks for analytical development, prototyping, or data science workflows.
What this role asks for
Standard for full stack roles
AWS · Python · REST
Common in full stack postings at any company.
83% of this description is written for the role. The rest is NetSage's standard text, folded away below.
Read against NetSage's other open postings on this site.
The team: Development HIRES STEADILY
This role is one of 16 open in Development. 2 were posted in the last 30 days and the oldest in April: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Python (14 of 16), Kubernetes (8 of 16), Docker (7 of 16), Java (7 of 16), LLM (5 of 16), Machine Learning (5 of 16), Spark (5 of 16)
OTHER ROLES ON THIS TEAM
- Java Software Engineer-Principal posted Oct 8
- Signals Analytic Technique Developer-Principal posted Sep 18
- Signals Analytic Technique Developer-Senior posted Sep 18
- Signals Analytic Technique Developer-Mid posted Sep 18
- Application Developer-Senior posted Sep 18
- Cybersecurity AI Developer-Senior posted Aug 28
- Applications Developer-Mid posted Aug 28
- Web Application Developer-Principal posted Aug 13
- Application Developer-Mid posted Jul 30
- Systems Engineer-Principal posted Jul 16
- Analytic Developer-Junior posted Jul 3
- Cyber Software Engineer-Principal posted Jul 2
- Dataflow Engineer-Senior posted Jul 2
- AI Analytic Software Engineer-Senior posted Apr 8
- AI Software Engineer-Senior posted Apr 8
From the team and dates on NetSage's own job board.
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