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Added 12 mins ago
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Senior Java Engineer – (e-Trading & Low-Latency Systems)
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Full-time
Role: Senior/Lead Java Engineer – E-Trading & Low-Latency Systems
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Experience Level: Level 3 (senior): 5-7 years

Zodiac Solutions, Inc

Senior Java Engineer – (e-Trading & Low-Latency Systems)

Toronto, ON, Canada

Job type: Full-time
Apply by: Oct 28, 2026
Posting language: English
Posted: Sep 28, 2026

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Original job description

Role: Senior/Lead Java Engineer – E-Trading & Low-Latency Systems

Location: Toronto, ON (Hybrid)

Duration: Fulltime Opportunity

Required Skills:

Core Java strong
Multithreading
Memory Management
Low latency
E-trading
Pre trade
Front office trade
Java version 17 or 21
Some recent AI Exp.
Design level
Virtual Threading
solace messaging queue

Responsibilities:

Design, develop, and maintain high-performance applications for e-trading, pre-trade, and front-office trading platforms.
Develop scalable, reliable, and low-latency services using Core Java and Java 17/21.
Perform high-level and low-level design for complex distributed systems.
Implement multithreaded and concurrent applications using Java concurrency frameworks and modern programming techniques.
Evaluate and apply Java Virtual Threads where appropriate to improve scalability and resource utilization.
Optimize application performance, throughput, latency, CPU utilization, memory usage, and garbage collection.
Build event-driven and asynchronous solutions using Solace messaging or equivalent enterprise messaging technologies.
Design and implement messaging flows using queues, topics, guaranteed delivery, persistence, retries, acknowledgments, and recovery mechanisms.
Support pre-trade workflows, order processing, trade capture, order routing, risk checks, and execution-related services.
Collaborate with product managers, business analysts, traders, architects, and technology teams to translate requirements into robust technical solutions.
Participate in architecture reviews, design discussions, code reviews, and technical decision-making.
Troubleshoot complex production issues involving application performance, concurrency, messaging, and distributed systems.
Develop unit, integration, regression, and performance tests to ensure software quality and reliability.
Contribute to CI/CD pipelines, automated deployments, observability, and production monitoring.
Explore and implement appropriate use cases for AI and Generative AI, including AI-assisted development, automation, analytics, documentation, testing, and operational support.
Mentor junior and senior engineers and promote coding standards, clean architecture, and engineering best practices.
Produce technical documentation, architecture diagrams, sequence diagrams, and operational runbooks.

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More about this job

Responsibilities

Design, develop, and optimize high-performance Java applications and distributed services for e-trading, pre-trade, and front-office platforms. Lead technical design and delivery, troubleshoot production issues, improve testing and operational practices, and mentor engineers.

Requirements

The role calls for strong Core Java expertise, including Java 17 or 21, multithreading, memory management, concurrency, and low-latency systems experience. It also requires design-level capability, familiarity with Solace or equivalent messaging technologies, and some recent AI experience.

Skills

Core Java
Java 17/21
Multithreading
Concurrency
Memory Management
Low-Latency Systems
E-Trading
Pre-Trade Workflows
Front-Office Trading
Java Virtual Threads
Solace Messaging
Distributed Systems
Performance Optimization
Generative AI
CI/CD
Production Troubleshooting

Visa sponsorship

Not detected in the job text

Keywords

Core Java
Java 17
Java 21
Multithreading
Concurrency
Memory Management
Low-Latency Systems
E-Trading
Pre-Trade
Front-Office Trading
Java Virtual Threads
Solace Messaging
Event-Driven Architecture
Asynchronous Processing
Distributed Systems
Order Processing
Trade Capture
Order Routing
Risk Checks
Performance Optimization
Garbage Collection
Generative AI
Unit Testing
Integration Testing
Performance Testing
CI/CD
Observability
Production Monitoring
Architecture Design
Technical Documentation

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