Job Information
Citigroup Senior Java Developer - Assistant Vice President in Mississauga, Ontario
The Senior Java Developer is responsible for designing, developing, and delivering high‑quality, scalable, and highly available applications in collaboration with cross‑functional technology teams. This role contributes to the analysis, design, development, testing, and implementation of complex systems, with a strong focus on microservices, cloud-native architectures, and real-time, high-volume applications, particularly within Risk Management and Capital Markets domains.
Key Responsibilities
Design, develop, and implement robust, scalable software solutions using Java and Spring-based frameworks with strong algorithmic and data structure foundations
Participate in feasibility studies, system analysis, time and cost estimation, IT planning, and risk assessments to support business objectives
Develop and maintain business-critical, high-volume, real-time, and highly available applications, including web-based Risk Management systems
Lead and contribute across all phases of the SDLC: requirements analysis, design, development, testing, deployment, and production support
Build and deploy microservices-based applications on cloud infrastructure using container technologies
Implement and integrate messaging and asynchronous processing solutions (e.g., Kafka, gRPC, JMS)
Ensure application reliability, performance, security, and observability using modern monitoring and logging stacks
Participate in code reviews, design discussions, and architecture sessions, contributing ideas and best practices
Provide timely support and troubleshooting for production issues, coordinating with support, infrastructure, and other development teams
Recommend and implement post‑deployment improvements, security controls, and process enhancements
Act as a subject matter expert (SME), advising senior stakeholders and mentoring junior developers
Manage multiple tasks and dependencies effectively to deliver high-quality, on-time solutions
Ensure adherence to enterprise standards, policies, regulatory requirements, and sound risk management practices
Required Qualifications
6+ years of hands-on experience developing enterprise applications as a Senior or Full Stack Developer
Strong expertise in Core Java, Spring Framework, Spring Boot, and Spring Cloud
Solid understanding of RESTful APIs, asynchronous programming, multi-threading, and parallel processing
Proven experience with microservices architecture and cloud-native development
Strong experience with container technologies such as Docker, Kubernetes, and OpenShift
Experience with messaging and streaming technologies including Kafka, gRPC, JMS, and GraphQL
Hands-on experience with persistence technologies, including relational databases, NoSQL databases, distributed caches (e.g., Ignite)
Good understanding of Test Driven Development (TDD) and testing frameworks such as JUnit
Experience with observability and monitoring tools such as ELK, Grafana, and Prometheus
Proven experience integrating and leveraging Generative AI tools and Large Language Models (LLMs) to enhance developer productivity and application capabilities
Preferred / Nice-to-Have
Experience in the financial services industry, particularly in Risk Management or Capital Markets
Working knowledge of Fixed Income products
Experience with Python scripting and data analysis
Experience with Trino
Knowledge of enterprise risk and regulatory considerations
Education
Bachelor’s degree or University degree, or equivalent practical experience
This job description provides a high-level overview of the responsibilities and qualifications required. Other job-related duties may be assigned as needed.
Job Family Group:
Technology
Job Family:
Applications Development
Time Type:
Full time
Primary Location Full Time Salary Range:
$94,300.00 - $141,500.00
Most Relevant Skills
Please see the requirements listed above.
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.
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. 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.
This job opening is for an existing job vacancy.
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.
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Citi is an equal opportunity and affirmative action employer.
Minority/Female/Veteran/Individuals with Disabilities/Sexual Orientation/Gender Identity.