> Markdown version of [/jobs/ext/3690114-application-engineer-api-level-4](https://www.wearedevelopers.com/jobs/ext/3690114-application-engineer-api-level-4). 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 Engineer (API) - Level 4 - **Company:** All Inc. - **Location:** Linthicum Heights, MD, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Software Applications, Confluence, JIRA, Serialization, Django Web Framework, Middleware, JSON, Python (Programming Language), MariaDB, MongoDB, Extensible Markup Language (XML), Flask (Web Framework), Backend, Git, Docker, Microservices - **Published:** October 11, 2026 - **Apply:** https://www.juju.com/job/15_eae0b86f1 ## About the Role * Twelve (12) years minimum experience and a High School Diploma/GED or * Ten (10) years minimum experience and an Associate's Degree or * Eight (8) years minimum experience and a Bachelor's Degree or * Six (6) years minimum experience and a Master's Degree or * Four (4) years minimum experience and a Doctorate's Degree. ## Description As part of the Secure the Enterprise initiative, 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. Required: * Python * Docker * Experienced using Django or Flask * Databased experience using MongoDB or MariaDB * ReST endpoint development * Micro service model Desired: * AWS or other cloud experience * JSON and/or XML serialization * Jira * Confluence * Git version control * Agile