Core Backend Java Developer

Core Backend Java Developer

Apply (opens in new window)

Job Req :

Location(s):

Mississauga, Ontario, Canada

Job Type:

Hybrid

Posted:

Apr. 30, 2026

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

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.

Diversity is a key business imperative and a source of strength ng the best for our clients requires a culture of inclusion; an environment of equity, respect, and opportunity for everyone. Teams with varied backgrounds and experiences bring different perspectives to the conversation, enhance decision-making, and improve overall business performance. Citi has made it a priority to foster a culture where the best people want to work, where individuals are promoted based on merit, where we value and demand respect for others and where opportunities to develop are widely available to all.

Rates eTrading Tech Overview

The evolution of electronic trading and automation has changed the way that rates products trade forever; driving a need for real-time, low latency pricing, market making and risk technology. In this increasingly electronic and competitive landscape, Citi is key player due to its leading eTrading platform and investment in technology. The Rates eTrading team is at the forefront, by building high-performance low latency technology that supports the execution of billions of dollars of client trades every day.

Our competitive advantage is our technology and having a platform that provides exceptional and dependable trading experience. If you have this kind of vision, capable of seeing ahead, of developing a clear path forward in a quest to try the as yet untried, here is the opportunity.

Job Purpose:

We are looking for a talented and passionate individual to join our Java Server development team and continue to evolve our next-generation rates reference data application.

The successful candidate will gain valuable exposure to the Electronic Trading business and an opportunity to work on a large scale, modern technology platform with a global presence. The team works closely with end users gaining direct exposure to the fast paced world of front office trading and finance.

Responsibilities:

• Understanding of good design principles and ability to adhere to complex design
• Development of common, reusable components and services utilizing Citi’s best practices
• Responsible for creating high performance, low latency applications leveraging existing Citi framework
• Ensuring strong reliability, scalability and performance of our components
• Apply an engineering mind-set to development work: understand use-cases in details, develop metrics to build good estimates of volume and compute velocity requirements, understand and discuss openly any implementation limitations or workaround
• Contribute actively to system design decisions
• Evaluate and build POCs for new strategic initiatives and work to convert to industrial level solutions
• Provide post release assistance to business, development and support groups
• Develop application as per best practice and remain compliant with prescribed best practices (TDD, maintain high unit test coverage, CI…)
• Assisting in third line support during core trading hours

Qualifications:

Required:

• 8+ years of strong hands-on development experience using Java including expertise with Spring or another dependency injection framework
• 5+ years’ experience in developing and maintaining highly scalable, real-time, low latency,…