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The health and safety of our colleagues and candidates for employment are our highest priority. Accordingly, Citi continues to monitor the COVID-19 situation closely. We have implemented precautionary measures across our firm globally, including conducting all candidate interviews virtually on a temporary basis until further notice where needed.

Technical Lead(Java)

Job Req ID 21311853 Primary Location Mississauga, Canada Job Category Technology
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Citi is seeking a highly motivated candidate for Technical Architect role in GSP Data Technology team. As part of an Application Development team, individual analyzes business requirements, propose a technical design, solution and hands on coding using Java. This individual will be involved in portions of the full systems life cycle and is responsible for architecting, designing, coding, testing, implementing application software that is delivered on time and within budget. The candidate handles complex problems independently and demonstrates analytical thinking. The candidate should be able to make judgments and recommendations based on the analysis and interpretation of data. The candidate should be able to guide the team on technical challenges and should have the ability to deep dive into existing architectures and suggest improvement plans.

Key Responsibilities:

  • Analyzes system requirements, including identifying program interactions and appropriate interfaces between impacted components and sub systems
  • Makes recommendations towards the development of new code or to reuse of existing code
  • Participates in software system testing and validation procedures, programming and documentation
  • Provides technical advice and assists in solving programming problems
  • Ensures proper analysis of problems and programming approaches to prevent rework and schedule slippage
  • Performs other duties and responsibilities as assigned
  • Work on bug resolution and application improvements, such as performance and maintainability
  • Participate actively in discussions, presentations and decisions about front-end & server side development and application design
  • Participates in Sprint Planning, Tasking and Estimation of the assigned work
  • Responsible for the development of re-usable services, user interfaces, unit testing, and code reviews
  • May occasionally work a non-standard shift including nights and/or weekends and/or have on-call responsibilities

Required Skills / Experience:

  • 10 or more years of hands on experience in building an enterprise scale highly componentized application using Java, Spring Framework
  • Should have experience in streaming platforms like Flink
  • Should have experience in messaging frameworks like Kafka, Google cloud Pub/Sub, active MQ
  • Should have experience in implementing green field projects
  • Experience in designing and creating data lake systems is a plus
  • Experience in Big Data is a plus
  • Experience in Docker and Kubernetes is a plus
  • Experience on cloud frameworks is a plus
  • Experience in IMDG like Apache Ignite or Hazelcast is a plus.
  • Experience in Python or Scala is a plus.
  • Experience working with SOA & Micro-services utilizing REST, SOAP etc.
  • Experience working in a Continuous Integration and Continuous Delivery environment and familiar with Jenkins, TeamCity, Code Quality Tools - SonarQube, etc.
  • Proficient in industry standard best practices such as Design Patters, Coding Standards, Coding modularity, Prototypes etc.
  • Experienced in RDBMS and SQL/PLSQL and NoSQL
  • Unit testing frameworks - JUnit, Mockito
  • Experience in debugging, tuning and optimizing UI components
  • Understanding of the SDLC lifecycle for Agile & Waterfall methodologies
  • Excellent written and oral communication skills


  • 6-10 years of relevant experience in the Financial Service industry
  • Experience as Applications Development Manager
  • Experience as senior level in an Applications Development role
  • Stakeholder and people management experience
  • Demonstrated leadership skills
  • Proven project management skills
  • Basic knowledge of industry practices and standards
  • Consistently demonstrates clear and concise written and verbal communication


  • Bachelor’s degree/University degree or equivalent experience
  • Master’s degree preferred

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

Citi Canada is an equal opportunity employer. Accordingly, we will make accommodations to respond to the needs of people with disabilities (including, without limitation, physical and mental health disabilities) during the recruitment process and otherwise in accordance with law. Individuals who view themselves as Aboriginals, members of visible minority or racialized communities, and people with disabilities are encouraged to apply.


Job Family Group:



Job Family:

Applications Development


Time Type:

Full time


Citi is an equal opportunity and affirmative action employer.

Qualified applicants will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Citigroup Inc. and its subsidiaries ("Citi”) invite all qualified interested applicants to apply for career opportunities. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View the "EEO is the Law" poster. View the EEO is the Law Supplement.

View the EEO Policy Statement.

View the Pay Transparency Posting

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