> Markdown version of [/jobs/ext/4641005-java-software-engineer](https://www.wearedevelopers.com/jobs/ext/4641005-java-software-engineer). 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). --- # Java Software Engineer - **Company:** Citadel LLC - **Location:** Rochester, NY, United States - **Salary:** $200,000.0 - $300,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Application Performance Management, Cloud Computing, Continuous Integration, Data Structures, Distributed Data Store, Distributed Systems, Enterprise Messaging Systems, Object-Oriented Software Development, Software Engineering, SQL Databases, Systems Architecture, Java Application Server, Event Driven Architecture, Containerization, Information Technology, Build Tools, Data Management, Software Version Control - **Published:** November 8, 2026 - **Apply:** https://www.juju.com/job/28_25196_8df4f110d326b3066dee3100e1aded97 ## About the Role * Minimum of a Bachelor's degree in Computer Science, or a related STEM discipline, or equivalent experience * Expert-level Java programming skills and experience developing production-quality software * Strong background in computer science fundamentals, data structures, algorithms, object-oriented design, and distributed systems * Experience designing and building scalable applications, services, or platforms * Comfortable with modern software development tools and practices, including testing, source control, build systems, and CI/CD * Experience with SQL, relational or distributed databases, and data-intensive systems is a plus * Experience with messaging technologies, event-driven systems, cloud infrastructure, or containerized environments is a plus * Excellent analytical, problem-solving, communication, and teamwork skills * Strong entrepreneurial spirit and the ability to adapt to changing requirements and technologies Opportunities may be available from time to time in any location in which the business is based for suitable candidates. To be eligible for UK postings, you must have or be able to obtain UK work authorization. ## Description * Design, develop, test, deploy, and maintain high-quality Java applications, services, and platforms * Build scalable, reliable, and high-performance systems supporting critical investment and business workflows * Partner directly with users and engineering teams to understand complex requirements and develop effective technical solutions * Design and improve distributed systems, APIs, data platforms, and event-driven architectures * Develop green-field systems while also improving and modernizing existing technology * Build systems designed to support future growth in data volumes, transaction volumes, and business complexity * Improve application performance, reliability, scalability, and maintainability * Contribute to system architecture, engineering standards, and technical strategy * Own solutions throughout the software development lifecycle, from design and implementation through production * Learn from industry leaders, distinguished engineers, and investment professionals