Know Your Customer Java Full Stack Developer– Assistant …, Mississauga

The Java Full Stack Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities

Partner with multiple management teams to ensure appropriate integration of functions to meet goals and define necessary system enhancements for new products and process improvements. Resolve a variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards.Provide expertise 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 creative 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.Recommended Qualifications

6-10 years of relevant experience in Apps Development or systems analysis role. Extensive experience in system analysis and programming of software applications. Demonstrated leadership and project management skills. Experience applying resilience patterns (Resilience4j circuit breakers, retries) for external API integrations.Experience building RESTful APIs using Spring Boot, Spring, Hibernate. Experience with databases such as Oracle and MongoDB. Experience with containerization and orchestration technologies like OpenShift and Kubernetes. Experience following TDD and clean code principles. Proficiency with data structures, algorithms and SQL.Proficiency in programming in Java, Python, Scala. Strong proficiency in Java (17+, ideally 21) and Spring Boot ecosystem. Hands‑on experience with reactive programming (WebFlux, Project Reactor). Education

Bachelor’s degree/University degree or equivalent experience. Master’s degree preferred. Nice to have skills

Proficiency with data structures, algorithms and SQL. Ability to independently work in a fast paced and rapidly changing environment. Bachelor’s degree in computer science or engineering field involving software programming or systems engineering. Working knowledge of MongoDB (reactive driver) and Oracle RDBMS.Experience with container orchestration (Kubernetes/OpenShift, Helm, Docker). Familiarity with resilience patterns, distributed systems, and API gateway integrations. Solid testing discipline (Testcontainers, MockWebServer, JaCoCo). Experience with Gradle build systems, MapStruct, and OpenTelemetry observability.Citi is an equal opportunity employer, 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.

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