Backend Developer, Citi

Citi

Location:
Canada, Mississauga

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

The Backend Developer – Java, Flink, Kafka 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.

Job Responsibility:

Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas
monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users
utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
ensure essential procedures are followed and help define operating standards and processes
serve as advisor or coach to new or lower level analysts
operate with a limited level of direct supervision
exercise independence of judgement and autonomy
act as SME to senior stakeholders and/or other team members
appropriately assess risk when business decisions are made while driving compliance with applicable laws, rules and regulations.

Requirements:

5-8 years of relevant experience
experience in systems analysis and programming of software applications
ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements
experience in large-scale enterprise application development with the ability to write 'clean code' using modern Java technologies (Core Java, Java EE, Spring Boot, Spring Microservices, Hibernate/JPM ORM, Multithreading) including problem-solving and troubleshooting skills
strong understanding of OOPS (Object-Oriented Programming) principles, Data Structures, and Algorithms
experience with Apache Flink for stream processing, including experience converting real-time streams into OLAP formats such as Iceberg and Parquet
experience with OLAP transformations within Apache Flink using FLINK SQL/Data stream/Process Function APIs, specifically for real-time stream data ingestion into Iceberg/Parquet formats for reporting and batch feeds
proficiency in API and Web Services development using REST protocols
strong experience in Unit testing and ensuring test coverage
experience using Swagger/OpenAPI to define, document, implement, and test APIs
experience with High-Speed Messaging platforms, particularly Kafka
advanced knowledge of Relational Databases (specifically Oracle) and NoSQL databases (specifically MongoDB), including PL/SQL proficiency
experience with Continuous Integration / Continuous Delivery (CI/CD) tools.

Nice to have:

Unix shell scripting
knowledge of OpenShift Container Platform
prior experience with building distributed, multi-tier applications
experience with building apps which are highly performant and scalable
Python programming.

What we offer:

Equal opportunity employer policies
accessibility accommodations
global benefits.

Additional Information:

Job Posted:
July 03, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Backend Developer