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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Low Latency Java Engineer - **Company:** Citigroup, Inc. - **Location:** Jersey City, NJ, United States - **Experience:** Expert - **Salary:** $142,320.0 - $213,480.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Algorithmic Trading, Data Analysis, Software Applications, Computer Programming, Databases, Software Debugging, Linux, Systems Analysis, Java Virtual Machine (JVM), Spring Framework, Software Engineering, System Programming, Transmission Control Protocol (TCP), UML, Software Application Programming, Low Latency, Event Sourcing, Microservices - **Published:** October 10, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3419708140&tx=IT8174TYZ&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 6-10 years of relevant experience in Apps Development or systems analysis role * Extensive experience system analysis and in programming of software applications * Experience in managing and implementing successful projects * Subject Matter Expert (SME) in at least one area of Applications Development * Ability to adjust priorities quickly as circumstances dictate * Demonstrated leadership and project management skills * Consistently demonstrates clear and concise written and verbal communication Education: * Bachelor's degree/University degree or equivalent experience * Master's degree preferred, * Demonstrated Subject Matter Expert (SME) in area(s) of Applications Development * In-depth experience with Algorithmic Trading application development, preferably in low latency environment * Detailed comprehension and experience with Market Data handling and associated technologies (such as time-series databases e.g. KDB) * Demonstrated leadership, project management, and development skills * Passion for coding excellent, commercial grade, mission critical Java frameworks based on event sourcing microservices. * Complete knowledge of modern Java, the JVM, the Linux Operating system, system calls and Kernel. * Knowledge of TCP and other IP based network protocol technologies including hardware accelerated kernel bypass e.g. Solarflare OpenOnload * Performance assessment and targeted tuning. * Design and architectural elegance. * Experience in implementing projects * Great communicator with high EQ. * Ability to occasionally produce clear diagrammatic documentation and model key aspects in UML sequence diagrams. * Relationship and consensus building skills ## Description * Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements * Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards * Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint * Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation * Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals * Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions * Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary * Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency., * 90% hands in the Java or Rust codebase. We build microservices based event sourcing systems on a low latency in-house framework. Response times in the 10 microsecond to 100 microsecond range. * Lead integration of functions to meet goals, deploy new products, and enhance processes * Analyse complex business processes, system processes, and industry standards to define and develop solutions to high level problems * Provide world class expertise in area of Java low latency development. * Utilize advanced knowledge of supported main system flows and comprehensive knowledge of multiple areas to achieve technology goals * Consult with end users to identify system function specifications and incorporate into overall system design * Influence and negotiate with senior leaders and communicate with external parties * Happy to work with and educate and support/mentor Junior developers and less experienced senior Java developers., We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. Illinois residents - AI Notice and Right (https://tbcdn.talentbrew.com/company/287/cms/v3/docs/policies/Illinois_Career_Supplement_a11y.pdf) * -