The Java Developer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to application systems analysis and programming activities. 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 the 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.

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. 5+ years of relevant experience in Apps Development or systems analysis role Extensive experience in system analysis and in programming of software applications Robust hands‑on core Java, functional programming,



and Spring Boot microservices development experience. Understanding of concurrent and parallel programming, including threads, processes, synchronization, and handling race conditions. Knowledge of reactive programming for building asynchronous, event/message-driven systems in microservices-based applications that are highly concurrent.

Proficient in containerizing applications, continuous integration, and continuous delivery in Java ecosystem. Proficient in functional programming concepts with Streams API, Lambda Expressions and Optional. Understanding of secure coding practices, SSL/TLS, OAuth, and JWT token handling in Java‑based applications.

Expertise in integrating Java with NoSQL databases such as MongoDB for scalable, high‑availability applications. Understanding of integrating APIs with third‑party libraries/vendors and handling the security around it. Understanding of the principles of distributed systems, including data partitioning, replication, and consistency models.

Hands‑on experience using AI‑powered coding assistants e.g. Above average skills in monitoring, logging, and debugging distributed systems to ensure reliability and performance.

Experience with building apps which are highly performant and scalable will be great. Familiarity with Generative AI, Machine learning concepts, and Large Language Models (LLMs), including practical exposure to integrating AI‑assisted capabilities into applications or development workflows. Bachelor’s degree/University degree or equivalent experience Master’s degree preferred #

📌 Java Developer - Assistant Vice President (Mississauga)
🏢 Citi
📍 Mississauga