Citi is looking for a skilled Java Developer to join our Technology team and play a key role in building, maintaining, and advancing enterprise-grade shared services that underpin critical financial operations at global scale. In this role, you will design and deliver high-performance Java-based solutions within a high-throughput computing environment, working closely with cross-functional technology teams to drive application stability and reliability. This is an opportunity to take ownership of meaningful technical challenges, mentor junior colleagues, and operate as a subject matter expert within a collaborative, performance-driven engineering environment.

Design, develop, and implement enterprise Java applications using Spring Boot, Apache Camel, and related open-source technologies to meet complex business and system requirements. Lead application analysis, performance tuning, and measurement activities to ensure systems meet reliability and throughput standards in production environments.

Manage

Tier 3 production support, diagnosing and resolving critical issues using tools such as Thread Dump Analyser and Memory Analyser Tool to minimize service disruption. Contribute to all phases of the software development lifecycle — from requirements analysis and design through to testing, deployment, and post-implementation review — within an Agile delivery model. Implement and recommend security measures during post-deployment analysis to protect system integrity and ensure continued functionality.

Act as a technical advisor to senior stakeholders and less experienced team members, setting engineering standards and guiding development practices across the team. Assess technical and operational risk when making development decisions,



ensuring solutions align with compliance requirements and safeguard the integrity of Citi's systems and clients. 5+ years of hands-on experience developing and maintaining enterprise shared services, with demonstrable expertise in Java 8, Spring Boot, and MongoDB. ~ Practical knowledge of RESTful API development, SSL, and Git-based source control workflows. ~ Working knowledge of containerization technologies, including Docker and OpenShift, for deploying and managing application workloads. ~ Experience operating within Agile development lifecycles, including sprint planning, iterative delivery, and continuous integration practices. ~ Proficiency with DevOps tooling, including GitHub, uDeploy, and SonarQube, to support build automation, deployment, and code quality management. ~ Solid SQL knowledge with the ability to query, analyse, and troubleshoot relational data sources effectively. ~ Bachelor's degree in a relevant field or equivalent practical experience. Hands-on experience with Linux command-line administration, particularly on Red Hat Enterprise Linux (RHEL) environments.

Prior experience with Lightspeed CI/CD pipelines or equivalent enterprise deployment platforms. Our Technology teams operate in a collaborative, results-oriented environment where engineers are empowered to solve complex problems, develop their expertise, and make a tangible impact on systems used by clients and institutions worldwide. A hybrid working model with 3 days in the office and 2 days working remotely,



giving you flexibility alongside meaningful in-person collaboration.

Exposure to large-scale, high-transactional enterprise systems that present genuine technical depth and complexity. Opportunities to grow into senior technical leadership, with the autonomy to influence engineering standards and mentor the next generation of engineers. Access to continuous learning and career development resources to keep your technical skills current and your career progressing.

A performance-driven team culture that values technical excellence, clear ownership, and high-quality delivery. Competitive compensation and a comprehensive benefits package designed to support your financial wellbeing and long-term career at Citi. Wellbeing and work-life balance support through Citi's global employee programmes, tailored to your location.

Apply today and bring your Java engineering expertise to a team building the technology infrastructure that keeps global financial services moving.

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 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.

View Citi’s EEO Policy Statement and the Know Your Rights poster. #

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