Senior Software Engineer, Citi

Citi

Location:
Canada, Mississauga

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

Not provided

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Job Description:

As a key member of Citi's global technology team, the Senior Software Engineer will collaborate with engineers to build solutions addressing complex business challenges, focusing on OTC derivatives, margin and collateral, and payments and cash management. The role encompasses the full SDLC and emphasizes robust engineering culture, security, and mentoring junior team members.

Job Responsibility:

lead all phases of the software development lifecycle (SDLC), from feasibility studies and cost estimation to deployment, maintenance, and user support
provide technical expertise and guidance to business users, stakeholders, and other technology teams
analyze complex business and system processes, evaluate industry best practices, and recommend innovative programming solutions
design and implement robust security measures throughout the SDLC, ensuring system integrity and data protection
build and manage CI/CD pipelines, coordinating deployments, releases, and associated documentation
collaborate with users, clients, and other technical groups to address issues, propose solutions, and implement systems
define and maintain operating standards and procedures, ensuring adherence to best practices
mentor and coach junior team members, fostering their professional development
operate with a high degree of autonomy and sound judgment, making informed decisions that consider business risks and align with company policies and regulations
act as a subject matter expert (SME) for stakeholders and team members
prioritize the firm's reputation and safeguard its assets by adhering to applicable laws, regulations, and ethical guidelines
participate actively in building and maintaining a strong engineering culture

Requirements:

7+ years of hands-on professional software development experience
proficiency in Java, Python, JavaScript, or React
experience building RESTful APIs using frameworks like Spring
experience working with event-driven systems, microservices, and micro-frontend UIs
proven ability to follow TDD and clean code principles
strong understanding of data structures, algorithms, and SQL
ability to work independently in a fast-paced and rapidly changing environment

Nice to have:

familiarity with cloud services like AWS and distributed systems such as Kafka, Kubernetes, S3, DynamoDB, MongoDB, or other NoSQL databases
experience working in the investment banking or financial services industry
experience with Java/J2EE, Spring Boot, Hibernate, and RESTful web services (XML, JSON)
extensive experience with Core Java, including multi-threading and collections framework
deep understanding of persistent storage technologies (RDBMS like Oracle, SQL Server)
experience in the payments domain
experience working in Agile (Scrum/Kanban) and distributed teams

What we offer:

global benefits designed to support well-being, growth, and work-life balance
opportunity to grow your career
opportunity to give back to your community
equal opportunity employment

Additional Information:

Job Posted:
September 05, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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Senior Software Engineer