Senior Software Engineer - Fintech AI & Kafka

Citigroup Inc.; Mississauga; On-site; CAD 131,000 - 196,000; Full time

Job summary

Citigroup Inc. is seeking a Senior Software Engineer to build scalable financial technology applications using Java, Spring, Kafka, and modern frontend frameworks. You will influence data pipelines, UI components, and intelligent automation in a collaborative, Agile environment.

You will mentor peers, drive code quality with JUnit, and contribute to a DevOps culture with Kubernetes and modern data stores like MongoDB and Oracle.

Qualifications

• 5–8 years of professional software development experience.
• Strong proficiency in Java, Spring, Spring Boot and its ecosystem.
• Hands-on Kafka for data streaming.
• Experience with MongoDB and Oracle databases.
• Frontend experience with Angular.
• Foundational understanding of AI concepts.
• Ability to work under pressure and meet deadlines.

Responsibilities

• Design, develop, and deploy enterprise-scale applications using Java, Spring, and Kafka.
• Build UIs with Angular and React.js.
• Leverage AI/ML to create innovative features.
• Work with MongoDB and Oracle to manage data landscapes.
• Write clean, testable code with JUnit and participate in code reviews.
• Collaborate in an Agile environment using Jira.
• Contribute to DevOps with Kubernetes.
• Mentor junior engineers and guide senior stakeholders.

Skills

Java

Spring

Kafka

Angular

React.js

AI

Machine Learning

JUnit

Jira

Kubernetes

Education

Bachelor's degree in Computer Science or related field

Tools

MongoDB

Oracle

Job description

Citigroup Inc. is seeking a Senior Software Engineer to build scalable financial technology applications using Java, Spring, Kafka, and modern frontend frameworks. You will influence data pipelines, UI components, and intelligent automation in a collaborative, Agile environment.

You will mentor peers, drive code quality with JUnit, and contribute to a DevOps culture with Kubernetes and modern data stores like MongoDB and Oracle.