Experience Inc. Jobs

Job Information

Citigroup Senior Application Java Developer, AVP in Mississauga, Ontario

As part of the Inventory Management Applications Suite, Senior Java developer is responsible for building very high volume / low latency enterprise multi-tiered Java applications that provide cutting edge solutions for the Collateral Optimization and Substitution Instruction Engine (COSINE) Application in the Capital Markets domain while following the industry best practices and Citi standards.

The requirement calls for a Senior Java developer who can analyze the business requirement, conceptualize, design and develop the solution while working independently or with a distributed team of developers working simultaneously on different application layers towards developing enterprise solutions for large projects. This requires a highly experienced developer who has a track record of delivering highly scalable robust applications that use the latest tools and technologies while working on all phases of the development life cycle. A commitment to collaborative problem solving, sophisticated design, and product quality is essential.


  • Design and develop new Java modules using the latest technology stack in a fast-paced Agile development environment.

  • Design and Develop complex database objects and implementations using the Oracle Relational Database Management System (RDBMS).

  • Migrate application functionalities that are part of large monolithic systems into an ecosystem of microservices using the latest technologies.

  • Understand the client requirements and envision the solution that can be captured as respective user stories in JIRA.

  • Understand the impact of adapting different architectures and designs and present the same to all relevant stakeholders.

  • Manage both functional and technical requirements while deciding on technical solutions.

  • Develop solutions following established technical design, application development standards and quality processes in projects. Develop new and enhance existing features/functionalities to meet clients’ needs.

  • Focus on building test automation suites to reduce the regression effort of the QA team.

  • Identify existing system bottlenecks and deficiencies, devise and implement robust solutions to address these shortcomings.

  • Interact with other stakeholders not limited to end-user clients, Project Manager/Scrum master, Business Analysts, offshore development, Quality Assurance and other cross-functional teams.

  • Stay up-to-date with new development methodologies, tools and strategies

  • Inspire other development resources with best practices and process improvement within Inventory Management Application team, Operation Solution team and Citi organization

  • Ensure that the requirements are properly analyzed prior to planning implementation. Understand what customer needs.

  • Design and develop to customer specifications with best quality implementation practices: Ensure the best possible performance, quality, and responsiveness of the applications.

Mandatory Skills

  • BS/MS degree in Engineering, Computer Science, or equivalent

  • 5+ years of experience as a Senior Java Developer

  • 6+ years of experience analysis, design and implementation of Business Applications using the Oracle Relational Database Management System (RDBMS).

  • 6+ years of extensive hands on experience in Oracle RDBMS development writing complex SQL, Query Optimization, Performance Tuning, Stored Procedures, functions, Triggers etc.

  • Thorough understanding of the class loading mechanism in Java

  • Thorough experience working with JVM, its limitations, weaknesses, and workarounds

  • Thorough experience working with transaction management.

  • Able to work in a fast pace environment

  • 5+ experience with Spring Framework and Spring Boot, Microservices, Spring MVC, Spring Data, Spring Security, Spring Oauth 2

  • 5+ years of experience with WebLogic 10 and 12c application server.

  • 3+ years of Microservices development experience using Spring boot, AppDynamics, Docker, MongoDB / Cassandra , Kubernetes, Kafka, RabitMQ, Swagger, REST API etc

  • 3+ years of experience in Java multi-threaded programming.

  • 5+ year of experience in designing oracle database objects

  • 5+ years of experience with code versioning tools such as Github,Bitbucket, Subversion, Perforce

  • Strong interpersonal ,oral and written communication skills

Nice to Have Skills

  • 5+ years of experience in Java front end frameworks like Angular, Wicket, jQuery etc

  • 5+ years of Agile development experience with multiple agile projects

  • 6+ years of experience in extensively using JMS to connect to Tibco/IBM MQ middleware

  • 4+ Experience in developing and deploying applications to cloud platforms AWS, GCP, PCF, etc

  • 3+ years of experience with Test Driven Development TDD

  • 3+ Experience in DevOps process and tools like Jenkins/Bamboo/UrbanCode also build technology like Maven/Gradle

  • 2+ years of working Experience with NoSql database such as MongoDB, Cassandra, Redis

  • Familiarity with in-memory datagrid such as Gemfire, Hezelcast

  • Experience in supporting Elasticsearch, Logstash and Kibana stack environment

  • Industry recognized Technology Certifications in AWS, Java and Oracle RDBMS

  • Experience in Capital Market domain

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 (https://www.citigroup.com/citi/accessibility/application-accessibility.htm) .

View the "EEO is the Law (https://www.dol.gov/sites/dolgov/files/ofccp/regs/compliance/posters/pdf/eeopost.pdf) " poster. View the EEO is the Law Supplement (https://www.dol.gov/sites/dolgov/files/ofccp/regs/compliance/posters/pdf/OFCCP_EEO_Supplement_Final_JRF_QA_508c.pdf) .

View the EEO Policy Statement (http://citi.com/citi/diversity/assets/pdf/eeo_aa_policy.pdf) .

View the Pay Transparency Posting (https://www.dol.gov/sites/dolgov/files/ofccp/pdf/pay-transp_%20English_formattedESQA508c.pdf)

Citi is an equal opportunity and affirmative action employer.

Minority/Female/Veteran/Individuals with Disabilities/Sexual Orientation/Gender Identity.