Core Backend Java Developer

Citi•Mississauga, ON

3d•Onsite

About The Position

Citi, a leading global bank, is seeking a talented and passionate individual to join its Java Server development team. This role involves evolving a next-generation rates reference data application and offers exposure to the Electronic Trading business. The successful candidate will work on a large-scale, modern technology platform with a global presence, collaborating closely with end-users in a fast-paced front-office trading and finance environment. The team focuses on building high-performance, low-latency technology to support the execution of billions of dollars in client trades daily, emphasizing a competitive advantage through technology and a dependable trading experience.

Requirements

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, high-volume, scalable microservices
Experience with real-time messaging middleware (Kafka, RabbitMQ, Solace, Tibco, …)
Experience working with multi-threaded applications
Strong software development fundamentals, data structures, design patterns, Object-Oriented programming, architecture, algorithms, and problem-solving skills
Application deployment and debugging of applications on UNIX/LINUX

Nice To Haves

Understanding of capital markets and financial derivatives (rates or other)
Experience with system performance tuning and low latency Java programming
Hands-on experience in database technologies, including RDBMS (Oracle, …) and No SQL (MongoDB)
Experience with In-Memory Datastore/Cache libraries (Sol cache, Redis, Apache Ignite, Gemfire, …)
Experience with CI/CD pipelines
Test-driven development, including Unit and End-to-End Testing.

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