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Citi, the leading global bank, has approximately 200 million customer accounts and operates in more than 160 countries and jurisdictions. Citi offers a broad range of financial products and services, including consumer banking, corporate and investment banking, securities brokerage, transaction services, and wealth management.

Team Overview

Onboarding Master Central (OMC) is the technology platform that orchestrates the client onboarding functions across multiple business domains. It streamlines onboarding workflows for Legal, Credit, Know Your Customer (KYC), and Account opening, and simplifies the request flow by ensuring task accountability, audit controls, and accurate Service Level Agreement (SLA) capturing.

Job Purpose

We are seeking a talented and passionate individual to join our Full‑Stack development team. This role will significantly impact the global client onboarding experience by building the future of our platform.

Responsibilities

- Apply strong design principles and adhere to complex architectural standards.
- Develop common, reusable components and services, following Citi’s best practices.
- Design and develop high-performance, low-latency applications within existing Citi frameworks.
- Ensure the reliability, scalability, and performance of developed components.
- Adopt an engineering mindset, thoroughly understanding use‑cases, estimating volume and compute velocity requirements, and openly discussing implementation challenges and solutions.
- Actively contribute to system design and architectural decisions.
- Evaluate current strategic initiatives through Proof‑of‑Concepts (POCs) and transition successful concepts into robust, industrial‑grade solutions.
- Provide post‑release support to business, development, and support teams.
- Develop applications adhering to best practices, including Test‑Driven Development (TDD), high unit test coverage, and Continuous Integration (CI).

Qualifications

Required:

- 5‑8 years of hands‑on Java development experience, including Spring, real‑time messaging,



and associated Java frameworks.
- Proven experience developing and maintaining highly scalable, real‑time microservices and RESTful APIs.
- Proficiency in ReactJS and core front‑end technologies: HTML5, CSS3, JavaScript (ES6+), Redux.
- Experience with real‑time messaging middleware (e.g., Kafka, RabbitMQ, Solace, Tibco).
- Hands‑on experience with database technologies, including RDBMS (e.g., Oracle) and NoSQL (e.g., MongoDB).
- Strong fundamentals in software development, data structures, design patterns, Object‑Oriented Programming (OOP), architecture, algorithms, and problem‑solving.

Nice to Have:

- Experience with in‑memory datastore/cache libraries (e.g., Redis, Apache Ignite, Gemfire).
- Exposure to Kotlin.
- Experience with system performance tuning and low‑latency Java programming.
- Experience working with multi‑threaded applications.
- Experience with CI/CD pipelines.
- Test‑driven development, including Unit and End‑to‑End Testing.

Competencies

- Strong verbal and written communication skills; ability to interface with business users.
- Self‑motivated individual with determination to achieve goals.
- Willingness to learn, both technically and professionally.
- Strong analytical and problem‑solving skills.
- Good team‑working skills and ability to thrive in a distributed global team environment.
- Ability to work in a fast‑paced environment; adaptable and able to deliver quality results within required timeframes.

Education

- Bachelor’s degree/University degree or equivalent experience.

Full‑time. Primary location: (Specify location if known). Salary range: $94,300.00 – $141,500.00.

Citi is an equal‑opportunity employer. Qualified candidates will receive consideration without regard to 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 require a reasonable accommodation, please contact Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster.

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Apply on Kit Job: kitjob.ca/job/2fso1o

📌 Senior Full Stack Developer (Mississauga)
🏢 Citi
📍 Mississauga