Senior Java Full Stack Developer – Vice President

Citibank (Switzerland) AG; Mississauga; Hybrid; Confidential; Full time

Job summary

Citi in Mississauga, ON is seeking a Senior Java Full Stack Developer – Vice President to lead applications development for the Onboarding Master Central platform. You will guide design, mentor developers, and deliver scalable microservices within Citi's global framework.

The role requires 8+ years of Java, Spring, and ReactJS experience, plus Kafka or RabbitMQ. You will collaborate with global teams, ensure quality via TDD and CI, and shape architecture to support Citi's client onboarding

Qualifications

• 8+ years of hands-on Java development experience with Spring and real-time messaging.
• Proven experience in building scalable microservices and RESTful APIs.
• Strong front-end skills with ReactJS and core technologies.

Responsibilities

• Lead design and development of complex applications within Citi's framework.
• Mentor developers and perform code reviews to ensure quality.
• Collaborate with global teams and stakeholders to drive architecture decisions.
• Develop reusable components and ensure performance, reliability, and CI/CD adoption.

Skills

Java

Spring

Microservices

REST APIs

ReactJS

HTML/CSS/JS

CI/CD

OOP Design

Architectural Skills

Education

Bachelor’s degree

Tools

Kafka

RabbitMQ

Solace

Tibco

Oracle

MongoDB

Job description

## Senior Java Full Stack Developer – Vice PresidentApply: Hybrid: Mississauga Ontario Canada: Full time: Posted Yesterday: 26992711The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. **Responsibilities:*** Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements* Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards* Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint* Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation* Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals* Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions* Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary* Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.**Recommended Qualifications:*** 6-10 years of relevant experience in Apps Development or systems analysis role* Extensive experience system analysis and in programming of software applications* Experience in managing and implementing successful projects* Subject Matter Expert (SME) in at least one area of Applications Development* Ability to adjust priorities quickly as circumstances dictate* Demonstrated leadership and project management skills* Consistently demonstrates clear and concise written and verbal communication**Education:*** Bachelor’s degree/University degree or equivalent experience**About Citi**Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. Our core activities are safeguarding assets, lending money, making payments, and accessing the capital markets on behalf of our clients.**Team Overview**Onboarding Master Central (OMC) is the technology platform that orchestrates the client onboarding functions of multiple business domains, empowering clients and operations teams with interactive tools, APIs, and real-time information to automate and streamline onboarding workflows across areas such as Legal, Credit, Know Your Customer (KYC), and Account opening.Serving as a unified portal, OMC is designed to streamline the onboarding process for new client accounts and facilitate client footprint expansions within Markets and Custody operations. It acts as the central entry point for securely capturing necessary client data and documents, and for initiating critical processes such as account/entity creation, KYC procedures, and Credit and Legal reviews. Despite the inherent complexities in workflow processes and diverse business organizations, OMC simplifies the request flow by ensuring complete task accountability, robust audit controls, and accurate Service Level Agreement (SLA) capturing, leading to improved expense reduction through enhanced Straight-Through Processing (STP). By leveraging the latest technologies, OMC provides best-in-class client onboarding services, effectively speeding up request and data flow processes across various business and operational functions.**Job Purpose:**We are seeking a talented and passionate individual to join our Full-Stack development team. This role offers a unique opportunity to significantly impact the global client onboarding experience by building the future of our platform. The successful candidate will gain valuable exposure to a large-scale, modern technology platform with global reach, playing a crucial role in shaping how we serve our clients. The Application Development Technology Lead is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities to expand and modernize the OMC technology platform. You will be responsible for driving technical excellence, mentoring junior developers, and ensuring the delivery of high-quality, scalable, and resilient software solutions that support Citi's global business operations.**Responsibilities:*** Lead the technical design, architecture, and development of complex applications, ensuring adherence to best practices, coding standards, and architectural patterns. Apply strong design principles and adhere to complex architectural standards.* Guide and mentor a team of developers, fostering a collaborative and high-performing environment. Conduct code reviews, provide constructive feedback, and support professional growth.* Effectively communicate technical concepts and project status to both technical and non-technical stakeholders, including senior management.* Develop common, reusable components and services, adhering to 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 new 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:* 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; flexible and able to deliver quality results within required timeframes.**Education:*** Bachelor’s degree/University degree or equivalent experience.