Principal Software Engineer (Senior Vice President) - Margin Technology

Citi; New York (NY); On-site; USD 120,000 - 160,000; Full time

Job summary

Citi is seeking a Principal Software Engineer (SVP) to join our Margin Technology team in New York. In this role, you will help shape the future of finance by creating technical solutions that address complex business challenges.

Your work will encompass the entire software development lifecycle, collaborating with product teams to build a fully automated platform. Candidates should have hands-on experience in software development, a strong command of modern technologies, and an educational background in computer science or engineering.

Qualifications

• Proven software development experience, particularly with distributed systems.
• Deep understanding of modern technologies and engineering practices.
• Excellent communication skills and ability to manage multiple priorities.

Responsibilities

• Develop solutions to complex business problems.
• Contribute to a fully automated software platform.
• Collaborate with product teams and users during the development process.

Skills

Software development experience

Distributed systems design

Cloud services (AWS)

TDD and clean code principles

Programming (Java, Python, JavaScript, React)

Data structures and SQL

Independent work in fast-paced environment

Education

Bachelor’s degree in computer science or related field

Tools

Kafka

Kubernetes

MongoDB

Job description

Principal Software Engineer (Senior Vice President) – Margin Technology

Job Req Id: 26960523

Location: Mississauga, Ontario, Canada

Job Type: On‑Site/Resident

Posted: May 08, 2026

Job Overview

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 the 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 Principal 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, deep understanding of modern technologies, distributed system design, 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
• Experience of designing distributed systems, microservices, micro‑frontend UIs
• 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 following TDD and passionate about clean code principles
• Proficiency in programming in Java, Python, JavaScript or React
• Solid understanding and experience of using 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 working in investment bank or financial services industry
• Able to apply entrepreneurial approach to software development and problem solving

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

Equal Opportunity Employer Statement

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.

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