> Markdown version of [/jobs/ext/4510391-senior-java-software-engineer-in-mundelein](https://www.wearedevelopers.com/jobs/ext/4510391-senior-java-software-engineer-in-mundelein). 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 Java Software Engineer in Mundelein - **Company:** Energy Jobline - **Location:** Mundelein, IL, United States - **Experience:** Expert - **Salary:** $120,000.0 - $150,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Web Services, Apache HTTP Server, Microsoft Azure, Concurrent Computing, Data Structures, Apache Hadoop, PostgreSQL, MongoDB, MySQL, NoSQL, Object-Oriented Software Development, Software Engineering, Multithreading, Apache Spark, Information Technology, Apache Kafka - **Published:** November 1, 2026 - **Apply:** https://www.energyjobline.com/job/senior-java-software-engineer-mundelein-32124438 ## About the Role * Bachelor's or Master's degree in Computer Science, Engineering, or a related field. \n * 3-5 years of professional software development experience with Java. \n * Strong foundations in algorithms, data structures, object-oriented design, and concurrent programming. \n * Experience building multi-threaded or asynchronous applications. \n * Familiarity with relational and NoSQL databases such as PostgreSQL, MySQL, or MongoDB. \n * Curiosity and enthusiasm for modern technologies including AWS, Azure, Kafka, Hadoop, Apache Spark, Apache Ignite, and AI-driven systems. \n * Strong problem-solving skills and a builder mindset. \n * Ability to thrive in a collaborative, fast-paced, and highly technical environment. \n