Senior Java Developer Jobs in Toronto, ON (NOW HIRING)

The Senior Java Developer is responsible for designing, developing, and delivering highquality, scalable, and highly available applications in collaboration with crossfunctional 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 postdeployment 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 5+ 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.

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