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Citigroup Senior Java Developer, AVP in Mississauga, Ontario


Have you ever wondered how a Mergers & Acquisitions deal works? What about the complexities of buying a stock on the Hong Kong exchange from London or New York? Maybe you have an idea that will change the industry, change how we communicate with client and automate processing, or just want to learn more about how financial services function? If yes, the Operations Solutions team (fondly known as “OpSo”) could be for you.

OpSo is undergoing one of the most dramatic and rapid infrastructure transformations in the Finance Industry. Our technologies make financial services seamless to the public eye, working behind the scenes to perform multiple processes in a matter of milliseconds and moving $4 trillion dollars across our eco-systems on our average day!

We have reimagined how to provide technology and service in our domain by aligning our team vision, team culture, and aggressive retirement plan for legacy applications and adoption of a micro-based containerized cloud environment.

About the Team

OpSo is a dynamic, global, and diverse organization supporting operations in over 80 Countries, working with multinational corporations and national governments to propel global business and sustainable growth. We are responsible for providing technology solutions and robust applications to support the growth of our Capital Markets Business. In addition, OpSo plays a leadership role in collaborating across the ICG division to provide solutions for digitizing communications, streamlining workflow management, and reporting risk and control analytics.

We have reimagined how to provide technology and services in our domain by aligning our team vision with our team culture. We encourage our people to create, explore, and adventure—stamping our identity as Opstronauts .

We invest and reinvest in two (2) main things: groundbreaking technology R&D and our people.

By continually reinvesting in the dreamers, makers, and doers, we empower each other to become the industry disruptors.

We are breaking the banking mold. Our Opstronaut culture thrives off our subject matter experts and diversity of thought. We are more than an organization; we are a movement. Join us.

Job Purpose:

The Applications Development Technology Lead Analyst is a senior position responsible for designing and implementing new services, changes in existing functions and processes, integration with other systems working closely with Business users and Product Dev team. The overall objective of this role is to lead development of our flagship, global, cross product, industry recognized communication platform and integrate with other systems both internal and external to Citi.


  • Partner with product users, business leads to ensure appropriate integration of functions aligning with product roadmap as well as provide thought leadership to deploy new functions and process improvements

  • Provide expertise in applications programming and ensure application design adheres to the overall architecture blueprint

  • Participate in conceiving and designing new system flows and develop standards for coding, testing, debugging, and implementation

  • Engineer scalable microservice based architecture and infrastructure

  • Integrate application with other systems via messaging and API

  • Utilize programming and system design skills to develop innovative solution and triage systemic issues

  • Mentor and coach mid-level developers and analysts, assign tasks and review code via pull request

  • 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 behaviour, conduct and business practices, and escalating, managing, and reporting control issues with transparency.


  • 6+ years of relevant experience in Apps Development or software design role

  • Strong technology background with working knowledge of evolving technologies.

  • Extensive experience in system analysis and programming of software applications

  • Experience in managing and implementing real-time systems using microservices

  • Ability to adjust priorities quickly as circumstances dictate

  • Demonstrated leadership and project management skills

  • Consistently demonstrates clear and concise written and verbal communication

  • Bachelor’s degree/University degree or equivalent experience

  • Bachelor’s or Master’s degree in computer science or equivalent field

Technical Skills:

  • Java, REST web service, Spring boot micro service, API Gateway, Open API Standards

  • Messaging/Stream processing technologies like Kafka, Flink, Storm

  • Developer IDE (Eclipse), Sonar, Bitbucket, Jenkins/Maven build, CI CD Pipeline

  • Knowledgeable in ECS Openshift, Docker, Container, Kubernetes.

  • Knowledgeable in Scalable Search Engine using Elastic, SOLR

  • Expertise in one of the database Mongo Db, Oracle, SQL

  • Tomcat 8X & above or Web sphere or Web Logic

  • Unix and Windows environment

Nice to have

  • Experience in Hystrix or any circuit brakers.

  • AWS / Cloud Certification.

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.