eTrading Java Developer, Front Office Trading

Citigroup; Mississauga; On-site; CAD 134,000 - 201,000; Full time

Job summary

Citi in Mississauga is seeking a Core Java Developer for the Rates eTrading team to design and build next‑generation trading applications, working closely with Traders, Sales and Quants to evolve our front‑office platform.

The role emphasizes high performance, scalability, and adherence to engineering standards, with opportunities to contribute to automated testing, CI/CD, and global initiatives.

Qualifications

• 3-7 years in server-side Core Java and multi-threading.
• Experience with Spring, Linux, and relational databases.
• Solid architectural understanding of enterprise apps.
• Familiarity with Agile, TDD, CI/CD and modern practices.
• Knowledge of concurrency, algorithms, data structures, and design patterns.
• Experience with large-scale financial trading systems focusing on performance.
• Experience in Agile, globally distributed teams using Jira, GitHub, Sonar, TeamCity.
• Proficiency with IntelliJ and Gradle.
• Experience with REST services, JSON/XML; AI tools preferred.

Responsibilities

• Design and develop front-office eTrading applications for the trading business.
• Collaborate with Traders, Sales, and Quants to shape the platform's direction.
• Improve technical capabilities and ensure stability, flexibility, and maintainability.
• Drive engineering standards and best practices.
• Enhance automated testing and optimize the UAT process.
• Troubleshoot performance and scalability issues.
• Provide onsite support to Rates traders in Paris.
• Assist in third-line support during core trading hours.
• Liaise with global business, support, and development teams on projects.

Skills

Core Java

Multithreading

Spring framework

Linux

Relational databases

Agile

Test-driven development

CI/CD

Concurrency

Design patterns

Jira

GitHub

Sonar

TeamCity

IntelliJ

Gradle

REST services

JSON/XML

KDB

ION

Copilot/AI tools

Education

Bachelor's degree

Master's degree preferred

Tools

Jira

GitHub

Sonar

TeamCity

IntelliJ

Gradle

ION

KDB

JSON/XML

REST services

Copilot

Claude/Devin

Job description

Summary

We are seeking a talented and passionate Core Java Developer to join our Rates eTrading team, which is responsible for Citi's market-leading electronic connectivity and distribution platform. In this role, you will design and develop our next-generation, high-profile trading applications, working closely with traders, sales, and quants. This is a challenging and exciting opportunity to enhance a critical front-office platform, gain direct exposure to the fast-paced world of finance, and contribute to the technology that solidifies our competitive advantage in the market.

Responsibilities

• Design and develop front-office eTrading applications for the trading business.
• Collaborate directly with Traders, Sales, and Quants to shape the future direction of the trading platform.
• Utilize creativity and innovation to improve the technical capabilities of the platform.
• Ensure the platform remains stable, flexible, and maintainable.
• Drive engineering standards and strive for best practices.
• Enhance automated testing efforts and optimize the UAT process.
• Troubleshoot complex performance and scalability issues.
• Provide onsite support to Rates traders in the Paris location.
• Assist in third-line support during core trading hours.
• Liaise with global business, support, and development teams on various projects.

Qualifications

• Possess 3-7 years of experience in server-side Core Java and multi-threading.
• Demonstrate experience with the Spring framework, Linux, and relational databases.
• Have a solid architectural understanding of enterprise applications.
• Show experience with modern software development practices such as Agile, test-driven development, continuous integration, and continuous delivery.
• Understand computer science fundamentals, including concurrency, algorithms, data structures, and design patterns.
• Experience developing large-scale financial trading systems with a focus on performance optimization and tuning.
• Experience working in an Agile, globally distributed team using tools such as Jira, GitHub, Sonar, and TeamCity.
• Proficiency with development tools such as IntelliJ and Gradle.
• Experience with ION, KDB, JSON/XML, and REST services is preferred.
• Experience with AI tools such as Copilot, Claude, or Devin is preferred.

Preferred

• Knowledge of major Fixed Income Products (Repos, US Treasuries, Interest Rate Swaps) and Broker/Customer Markets electronic trading flows.

Education:

• 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.

Competencies:

• Excellent communication skills, oral and written; ability to face off to business users.
• Good team-work skills, and the ability to work in a distributed global team environment
• Strong analytical and problem-solving skills
• Excellent planning and organizational skills
• Self-motivated with the determination to learn and achieve his/her goals
• Flexible and able to deliver quality results in the required timeframe
• Experience in full lifecycle development
• Ability to inspire and raise the level of his/her colleagues from a technical perspective.
• Ability to multi-task effectively

Job Family Group:

Technology

Job Family:

Applications Development

Time Type:

Full time

Primary Location Full Time Salary Range:

$94,300.00 - $141,500.00

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

This job opening is for an existing job vacancy.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their 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 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 Citi's EEO Policy Statement (https://www.citigroup.com/global/eeo-aa-policy) and the Know Your Rights (https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf) poster.

Citi is an equal opportunity and affirmative action employer.

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