The RoleJoin the Citi Futures Technology team, a dynamic and fast‑paced group at the heart of a growing global business. We are seeking a talented Java Engineer to contribute to the architecture, design, and implementation of our Futures Data as a Service post‑trade orders & executions application. This is a hands‑on role where you will tackle complex technical challenges in a low‑latency, high‑throughput environment. You will play a key role in building resilient and scalable solutions that directly impact our trade consumption, enrichment, and reporting.What You’ll Do (Responsibilities)Design & Develop: Design, build, and maintain high‑performance, scalable, and reliable Java‑based microservices.Solve Complex Problems: Tackle challenging technical problems related to concurrency, low‑latency messaging, and large‑scale data processing in a distributed environment.Collaborate & Integrate: Work within a global Agile team to analyze complex business requirements, collaborating with traders, product managers and other key business stakeholders to deliver elegant and effective technical solutions.Champion Best Practices: Uphold and contribute to our high standards for code quality, automated testing (unit, integration), code reviews, and CI/CD practices.Modernize Our Stack: Drive the evolution of our platform by leveraging modern technologies like Kafka, Docker, and OpenShift, and contribute to the strategic transformation of our architecture.Ensure System Resiliency: Take ownership of the full development lifecycle, from design and implementation to deployment and operational support, ensuring the stability and integrity of our production environment.Risk & Compliance: Appropriately assess risk when business decisions are made, demonstrating consideration for the firm’s reputation and safeguarding Citigroup, its clients, and its assets. Drive compliance with applicable laws, rules, and regulations, apply sound ethical judgment, and escalate control issues with transparency.Our Tech StackServer OS: Red Hat Enterprise LinuxBackend: Java (17+), Spring Boot, REST APIs, MicroservicesMessaging: Apache Kafka, Solace and TibcoDatabases: SQL Server, MongoDBDevOps & CI/CD: Bitbucket, GitHub, Lightspeed, uDeploy, Harness, Maven/GradleContainer & Cloud: Docker, Kubernetes, Red Hat OpenShiftWhat We’re Looking For (Qualifications) RequiredExperience: 5+ years of professional experience in hands‑on systems analysis and software development.Core Java Expertise: Deep, demonstrable knowledge of server‑side Java, including multi‑threading, performance tuning, and building robust, scalable solutions.System Design & Development: Proven experience in designing and implementing complex, distributed solutions and cloud microservices.Database Proficiency: Strong expertise with relational databases, including data modeling, query optimization, and performance tuning.Messaging Systems: Hands‑on experience with high‑throughput vendor messaging platforms.CI/CD & DevOps: Solid experience with modern CI/CD pipelines and tools (GitHub, Jenkins, Maven/Gradle).Agile Mindset: A strong communicator and collaborator with a proven track record of success in an Agile development environment.Other Technical Skills: Hands‑on experience with developing and troubleshooting in a Red Hat Enterprise Linux 8 (or higher) environment.Preferred (Nice to Have)Financial Domain Knowledge: Subject matter expertise in financial markets, particularly in exchange‑traded derivatives or futures trading.Containerization: Experience developing and deploying applications on container platforms like Docker, Kubernetes, or OpenShift.NoSQL Experience: Familiarity with NoSQL databases such as MongoDB.Other Skills: Experience with FIX Protocol.Education: Bachelor’s degree (or higher) in computer science, Engineering, or a related field.Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity, please contact our Accessibility at Citi team.View Citi’s EEO Policy Statement and the Know Your Rights poster.#J-18808-Ljbffr