Job Specification – Senior Java Developer We are seeking an experienced Senior Java Developer to join our Digital Data & Analytics engineering team. In this role, you will be responsible for architecting, building, and optimizing high-throughput, low-latency real-time and batch data pipelines that ingest, process, and distribute clickstream and user interaction data across multiple analytics databases and downstream platforms. You will design configuration-driven microservices, integrate distributed messaging systems using Apache Kafka, implement caching layers, and develop robust REST APIs.

Additionally, you will champion modern development workflows by leveraging Generative AI coding assistants (e.g., GitHub Copilot, Devin) to accelerate engineering velocity, drive code quality, and maintain high standards of testing and system resilience. Design, develop, and maintain high-performance Java applications for processing clickstream data in real time or batch. Implement config-driven, Spring-based components for data ingestion, transformation, and enrichment.

Integrate and manage Apache Kafka for high-throughput, low-latency event streaming. Write optimized Oracle SQL/PLSQL for configuration management. Leverage continuous integration pipelines to streamline development and deployment.

Use Generative AI development tools (e.g., Collaborate with business analysts, product team and developers to ensure system reliability, scalability, and alignment with regulatory requirements. 7+ years of professional experience in Java application development.



~ Proficiency in Oracle Database (SQL, PL/SQL, optimization). ~ Ability to effectively leverage Generative AI coding assistants for improved development productivity. ~ Knowledge of real-time data processing and data pipeline design. ~ Understanding of distributed systems, concurrency, and performance tuning. Proven ability to collaborate under the guidance of other lead developers Ownership mindset with a focus on delivering high‑quality solutions. Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.

Full time Primary Location Full Time Salary Range: $Automated Processing and AI 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. Our automated processing and AI do not involve relying on automatic or autonomous decision‑making. Citi is an equal prospect 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 review Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster. #

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