> Markdown version of [/jobs/ext/1143761-application-developer-iv-api](https://www.wearedevelopers.com/jobs/ext/1143761-application-developer-iv-api). 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). --- # Application Developer IV (API) - **Company:** Black Eagle Defense - **Location:** Jessup, MD, United States - **Salary:** $190,000.0 - $247,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Cloud Computing, Serialization, Django Web Framework, Middleware, JSON, Python (Programming Language), MariaDB, MongoDB, Extensible Markup Language (XML), Flask (Web Framework), Backend, Docker, Microservices - **Published:** July 2, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9010357/application-developer-iv-api ## About the Role QUALIFICATIONS; Ph.D. plus Four (4) years of experience, a master's degree plus Six (6) years of experience, a bachelor's degree plus Eight (8) years of experience, or an associate's degree plus Ten (10) years of professional experience is acceptable. Twelve (12) years of relevant experience are acceptable if the candidate does not possess a degree. Required Skills Required: * Python * Docker * Experienced using Django or Flask * Databased experience using MongoDB or MariaDB * ReST endpoint development * Micro service model Desired Skills Desired: * AWS or other cloud experience * JSON and/or XML serialization ## Description DUTIES As a successful candidate for the Application Engineer IV role, you will support the Secure the Enterprise initiative by developing capabilities that transition the current manual system security evaluation and authorization process to a modern framework emphasizing automation, streamlined processes and approvals, continuous monitoring and assessment, and network data gathering throughout the entire project lifecycle., * Develop capabilities to shift from the current manual system security evaluation and authorization process to a new model that emphasizes automation, streamlined processes and approvals, continuous monitoring and assessment, and network data gathering across the entire life cycle of a project., * The Application Engineer (Backend) will provide the development, test, deploy, and sustainment of various Python based ReST end points, microservices, and data model management capabilities utilizing Django and Flask frameworks to interact with data models stored in MariaDB or MongoDB and send data upon request, in JSON format, to UI front ends. * The developer will provide middleware and backend support to all system applications. ## Related Videos - [API = Some REST and HTTP, right? RIGHT?!](https://www.wearedevelopers.com/videos/1675-api-some-rest-and-http-right-right) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [An Opinionated Guide to Bulletproof APIs](https://www.wearedevelopers.com/videos/100182-an-opinionated-guide-to-bulletproof-apis) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) ## Related Articles - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [20 Essential Tools For Backend Development](https://www.wearedevelopers.com/magazine/218-20-essential-tools-for-backend-development) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe)