Java Backend Developer, Citi

Citi

Location:
Canada, Mississauga

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

83980.00 - 142820.00 USD / Year

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Job Description:

The Java Backend Developer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. The BlackBird team globally supports connectivity and routing solutions both direct to clients over API and also via ECN platforms. This is a challenging and exciting opportunity to transform the connectivity landscape at Citi.

Job Responsibility:

Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development
Monitor and control all phases of development process and analysis, design, construction, testing, and implementation
Provide user and operational support on applications to business users
Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues
Recommend and develop security measures in post implementation analysis of business usage
Consult with users/clients and other technology groups on issues, recommend advanced programming solutions
Ensure essential procedures are followed and help define operating standards and processes
Serve as advisor or coach to new or lower-level analysts
Development of common, reusable components and services utilizing Citi's best practices
Responsible for creating high performance, low latency applications leveraging existing Citi frameworks
Working with other core E-Trading teams to manage and support the application
Ensuring strong reliability, scalability and performance of the core Blackbird components
Liaise with technical, business and quant teams to collaborate on identifying opportunities and solutions
Execute on our technical strategy for the platform
Coordinate development with both internal technology teams and business/quants
Drive engineering standards and continue to strive for best in class

Requirements:

5-8 years of relevant experience
Experience in systems analysis and programming of software applications
Experience in managing and implementing successful projects
Extensive hand-on coding expertise in Core Java
Strong Software development fundamentals, data structures, design patterns, Object-Oriented programming, architecture, algorithms, and problem-solving skills
Strong focus on system performance tuning and experience with low latency Java programming
Solid understanding of service architecture and high performance, low latency, and multithreading techniques
Experience architecting and designing high performance server side components
At least 6+ years of experience using Java to develop service oriented applications
Working knowledge of consulting/project management techniques/methods
Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements
Bachelor's degree/University degree or equivalent experience

Nice to have:

Prior experience in building e-trading systems is highly desirable
Knowledge of any Interest Rates or Futures financial products (e.g. bonds, interest rate swaps) is highly desirable
Technical skills include Java, Spring, TDD, KDB, FIX, and UNIX/LINUX

Additional Information:

Job Posted:
September 27, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Java Backend Developer