> Markdown version of [/jobs/ext/2058358-principal-software-developer](https://www.wearedevelopers.com/jobs/ext/2058358-principal-software-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Developer - **Company:** BigBear.ai, Inc. - **Location:** Washington, DC, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Geographic Information Systems, Application Programming Interfaces (APIs), Artificial Intelligence, Apache Ant, Configuration Management, Computer Programming, Databases, Data Files, Extract Transform Load (ETL), Eclipse (Software), JavaFX, OpenGL, Software Engineering, Spatial Data Infrastructures, Data Streaming, Unstructured Data, Git, Build Tools, Software Version Control, Web Api, Microservices - **Published:** August 14, 2026 - **Apply:** https://www.careerbuilder.com/job-details/principal-software-developer-washington-dc--05c9d125-3722-4405-99f7-84b3769ec3fd ## About the Role Bachelor's Degree and 5 to 8 years of experience; Master's Degree and 3 to 6 years of experience; PhD and 0 to 3 years of experience (in lieu of Bachelor's degree, 6 additional years of relevant experience) * Clearance: Must maintain an active TS/SCI security clearance * Proficiency in Java (11+) is preferred * Experience with Spring (Boot/Framework/Security) * Familiarity with Git source control What we'd like you to have: * Additional Clearance: Active CI Polygraph. * Technical Expertise: + Knowledge of JavaFX. + Geospatial data experience. + Background in math and algorithm creation. + Experience with Extract/Transform/Load (ETL) processes. + OpenGL experience. + Familiarity with Ant and Eclipse. * Domain Knowledge: + Experience working within the DoD. + Streaming data expertise (ideally websocket-based). + Event-based programming knowledge. + Experience with microservices and gateways. + Proficiency in working with external APIs., Algorithms, Apache Ant Build Tool, Application Programming Interface (API), Artificial Intelligence (AI), Data Sets, Database Extract Transform and Load (ETL), Establish Priorities, Git, Integrated Circuits (ICs), Intelligence Community, Java, JavaFX, Leading Edge Technology, Mathematics, Microservices, OpenGL Programming Libraries, Predictive Modeling, Problem Solving Skills, Security Clearance, Sensitive Compartmented Information (SCI), Software Development, Source Code/Configuration Management (SCM), Spatial Data, Structured Data, Supply Chain Management, Top Secret Clearance, United States Department of Defense (DoD), Unstructured Data ## Related Videos - [Coffee with Developers - Silvio Barbieri](https://www.wearedevelopers.com/videos/897-coffee-with-developers-silvio-barbieri) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Grappling With Clunky Old Software? Start by Understanding What’s Inside!](https://www.wearedevelopers.com/videos/1189-grappling-with-clunky-old-software-start-by-understanding-what-s-inside) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Stop Committing Your Secrets - GIt Hooks To The Rescue!](https://www.wearedevelopers.com/videos/573-stop-committing-your-secrets-git-hooks-to-the-rescue) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 132 - Binging WADFlix?](https://www.wearedevelopers.com/magazine/473-dev-digest-132-binging-wadflix) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer)