Lead Software Engineer – Margin Technology - VP

Citigroup Inc.; Mississauga; Hybrid; CAD 170,000 - 240,000; Full time

Benefits offered by this job

Hybrid work opportunities

Mentorship and continuous learning

Job summary

Citi is seeking a Lead Software Engineer to shape the future of our technology platforms. You will partner with product teams to design and build scalable systems that handle high transaction volumes across the global financial network.

You will drive automated, high-quality software delivery, mentor engineers, and contribute to a culture of learning, innovation, and resilience with potential hybrid work opportunities.

Qualifications

• Hands-on software development experience across modern tech stacks.
• Proficient in Java, Python, JavaScript or React with REST API design.
• Experience with Spring, microservices and event-driven architectures.

Responsibilities

• Shape the future of Citi's software platform and product.
• Build robust, automated services with minimal manual intervention.
• Collaborate with product teams to deliver scalable, high-quality solutions.

Skills

Software development

Java

Python

JavaScript/React

REST APIs

Spring

Microservices

Event-driven systems

TDD

Algorithms & SQL

Education

Bachelor’s degree in computer science or engineering

Tools

AWS

Kafka

Kubernetes

S3

DynamoDB

MongoDB

Job description

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.

What We do / The Team:

Markets Operations Technology is going through an exciting phase of transformation in margin and collateral domain. We are re‑engineering our technology estate to achieve world‑leading performance and resiliency, enabling new capabilities in advanced execution, global market connectivity, and modernised post‑trade, clearing and margin processes. Our ambition is to deliver a seamlessly integrated, highly automated platform that drives outstanding client outcomes and accelerates growth across our global franchise.

Role Overview/What will you do:

As Lead Software Engineer in our global technology team, you will be working with a group of passionate engineers who build technical solutions to complex business problems.

You will be instrumental in shaping the future of our product and working towards a target state of a fully automated platform with minimal manual interventions. You will have an opportunity to participate in the whole spectrum of building a software solution, closely working with product teams and users. We expect you to contribute to our vision of building a strong engineering culture within our global teams.

This role is for someone who is a strong technologist, enjoys solving engineering challenges, has experience in building robust and high-quality solutions, has excellent communication skills and can manage multiple priorities simultaneously.

Key Skills and Experience required -

• Hands-on professional software development experience
• Proficiency in programming in Java, Python, JavaScript or React
• Experience of building RESTful APIs using popular frameworks like Spring
• Experience of working with event driven systems, microservices, micro-frontend UIs
• Experience of following TDD and clean code principles
• Proficiency with data structures, algorithms and SQL
• Able to independently work in fast paced and rapidly changing environment
• Bachelor’s degree in computer science or engineering field involving software programming or systems engineering

Any Beneficial / Nice to have skills and experience:

• Experience of using cloud services such as AWS and distributed systems such as Kafka, Kubernetes, S3, DynamoDB, MongoDB or any other NoSQL database
• Experience of working in investment bank or financial services industry

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Primary Location Full Time Salary Range:

$120,800.00 - $170,800.00

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

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This job opening is for an existing job vacancy.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.