> Markdown version of [/jobs/ext/2727681-senior-database-engineer-with-poly](https://www.wearedevelopers.com/jobs/ext/2727681-senior-database-engineer-with-poly). 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). --- # Senior Database Engineer with Poly - **Company:** BigBear.ai, Inc. - **Location:** Hanover, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Confluence, JIRA, Cloud Computing, Databases, Serialization, Software Debugging, Django Web Framework, JSON, MariaDB, Microsoft Visual Studio, MongoDB, Scrum Methodology, Swagger, Software Engineering, Extensible Markup Language (XML), Flask (Web Framework), Database Performance, Git, Containerization, Docker, Microservices - **Published:** September 5, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/85832210/1 ## About the Role * Experience:Bachelor's Degree and 10+ years of database experience. * Clearance:TS/SCI with Poly (required). * Technical Expertise: + Proficiency in database technologies such as MongoDB or MariaDB, including: o Deployment and management of the database itself. o Debugging and resolving optimization issues. o Scaling databases to meet performance demands. + Experience with Django or Flask frameworks. + Familiarity with REST endpoints and microservices. What we'd like you to have * Swagger for API documentation. * Cloud experience with AWS, C2S, or other platforms. * Containerization tools like Docker. * Proficiency with IDEs such as Visual Studio Code or similar. * JSON and/or XML serialization. * Experience with Jira and Confluence for project management. * Git version control for collaborative development. * Agile development methodologies. ## Description Are you ready to take your database engineering expertise to the next level and support mission-critical operations? BigBear.ai is seeking a Senior Database Engineer to join our team and assist in meeting the needs of our government customer. In this role, you'll work onsite at the assigned customer location, ensuring optimized database performance and delivering solutions that directly impact national security. If you're passionate about database management, agile development, and building scalable solutions, we want to hear from you! What you will do * Optimize Performance:Monitor databases and related systems to ensure they are running efficiently and effectively. * Support Agile Development:Participate in agile activities, including release planning, sprint planning, and retrospectives, to incorporate lessons learned into engineering processes. * Model Data:Design local schemas, tables, data types, indexes, procedures, and functions to support mission needs. * Collaborate with Developers:Work closely with developers throughout the application development lifecycle to build features that deliver value to our customers. ## Related Videos - [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) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Protector Of The Realm](https://www.wearedevelopers.com/videos/591-protector-of-the-realm) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Database Magic behind 40 Million operations/s](https://www.wearedevelopers.com/videos/748-database-magic-behind-40-million-operations-s) ## 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) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 132 - Binging WADFlix?](https://www.wearedevelopers.com/magazine/473-dev-digest-132-binging-wadflix)