Lead Java Software Engineer

Citigroup Inc.

📍 mississauga, on, Canada

Full-time Other-General Posted June 04, 2026

Job Description

The Role

Join the Citi Futures Technology team, a dynamic and fast-paced group at the heart of a growing global business. We are seeking a talented Senior Java Engineer to drive the architecture, design, and implementation of our Futures Data as a Service post-trade orders & executions application.

This is a hands‑on role where you will tackle complex technical challenges in a low-latency, high-throughput environment. You will play a key role in building resilient and high-performing scalable solutions that directly impact our trade consumption, enrichment and reporting.

What You'll Do (Responsibilities)

Architect & Develop:

Architect, design, build, and maintain high-performance, scalable, and reliable Java-based microservices.

Solve Complex Problems:

Tackle challenging technical problems related to concurrency, low-latency messaging, and large-scale data processing in a distributed environment.

Collaborate & Inte...