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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - **Company:** Markon, LLC. - **Location:** United States - **Experience:** Experienced - **Salary:** $235,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Apache Tomcat, Application Frameworks, Systems Engineering, Confluence, JIRA, Cloud Engineering, Databases, Data Systems, Distributed Systems, Enterprise Content Management, Elasticsearch, Java Message Service (JMS), PostgreSQL, Apache Maven, MongoDB, MySQL, Node.Js, Svelte, Cloud Services, Software Engineering, Software Systems, Systems Integration, Multithreading, Java Application Server, Enterprise Software Applications, Spring Cloud, ReactJS, System Availability, Concurrency, Spring-boot, Software Application Programming, Backend, Git, Amazon Relational Database Service, AngularJS, Kubernetes, Rancher, Web Technologies, Kibana, Restful APIs, Docker - **Published:** September 24, 2026 - **Apply:** https://www.thejobnetwork.com/job/software-engineer-level-3-509976996 ## About the Role * Active TS/SCI w/ Polygraph with this Customer. * Bachelor's degree and 20+ years of software engineering experience. * Expert experience developing full-stack applications with a strong emphasis on Java-based backend services. * Expert experience with Java, Spring Boot, JavaScript, RESTful services, and Java threading. * Experience developing distributed, high-availability enterprise applications. * Experience with AWS cloud services, Amazon RDS, Docker, Kubernetes, EKS, Rancher, and Tomcat. * Experience developing applications using MongoDB, PostgreSQL, MySQL, Elasticsearch, or comparable enterprise database technologies. * Experience with Java Message Service (JMS) and enterprise messaging architectures. * Experience integrating open-source frameworks, libraries, and enterprise technologies. * Experience using Git, Maven, Jira, and Confluence within Agile development environments. * Strong communication, analytical, troubleshooting, and collaboration skills. Desired Qualifications * Experience with Kibana, Alfresco, or enterprise content management platforms. * Experience developing applications using Node.js, Svelte, React, or Angular. * Experience designing large-scale distributed systems and cloud-native architectures. * Experience supporting Intelligence Community mission applications. ## Description * Design, develop, and maintain full-stack applications with a primary focus on scalable backend services and web technologies. * Develop enterprise applications using Java, Spring Boot, JavaScript, and RESTful service architectures. * Design and optimize distributed applications emphasizing high availability, scalability, concurrency, and performance. * Develop and optimize multi-threaded Java applications supporting mission-critical workloads. * Design, develop, and maintain APIs and messaging solutions using REST and Java Message Service (JMS). * Develop cloud-native applications utilizing AWS services, Amazon RDS, Docker, Kubernetes, EKS, Rancher, and Tomcat. * Design and optimize data solutions using MongoDB, PostgreSQL, MySQL, Elasticsearch, and other enterprise database platforms. * Integrate open-source frameworks, libraries, and enterprise technologies to deliver modern software capabilities. * Build and maintain software using Git, Maven, Jira, and Confluence while supporting Agile development practices. * Collaborate with software engineers, systems engineers, and Government stakeholders to deliver secure, maintainable, and production-ready mission solutions. ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [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) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [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) - [Branch your database like your code: How schema changes and pull requests go hand in hand](https://www.wearedevelopers.com/videos/350-branch-your-database-like-your-code-how-schema-changes-and-pull-requests-go-hand-in-hand) - [The user in the eye of the Cargo1492 storm](https://www.wearedevelopers.com/videos/96-the-user-in-the-eye-of-the-cargo1492-storm) ## Related Articles - [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) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The Best Software Developer Blogs to Read](https://www.wearedevelopers.com/magazine/156-the-best-software-developer-blogs-to-read) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [The Best X (Twitter) Accounts for Developers](https://www.wearedevelopers.com/magazine/294-the-best-x-twitter-accounts-for-developers)