Core Java Dev + Etrade

Job summary

Develop and maintain high-performance, low-latency electronic and algorithmic trading applications, including real-time market data, order processing, pricing, and execution services. Contribute to architecture, production support, AI-enabled improvements, delivery practices, and mentoring across globally distributed teams.

Job details

Role: Core Java Dev + Etrade Toronto- Hybrid Contract Job Summary: We are seeking a highly skilled Senior Java Developer with AI experience to join the FIC Global Spread Products eTrading Technology team. The successful candidate will contribute to the development of a next-generation electronic trading and algorithmic trading platform supporting high-performance, low-latency financial markets. This role requires strong hands-on experience in server-side Java, multithreading, messaging, event processing, distributed caching, relational databases, and low-latency application design. Experience applying Artificial Intelligence, Machine Learning, or Generative AI to trading, market data, analytics, automation, or software engineering is highly desirable. Key Responsibilities: Design, develop, and maintain high-performance, low-latency eTrading and algorithmic trading applications using Core Java. Contribute to the construction and evolution of the next-generation electronic trading platform. Develop robust, scalable, and resilient services for real-time market data, order processing, pricing, execution, and event-driven workflows. Apply advanced Java concurrency, multithreading, reactive programming, and asynchronous processing techniques. Design and implement messaging and event-processing solutions across multiple real-time data streams. Work with multicast messaging and other high-throughput communication technologies. Design and optimize distributed caching solutions, including Grid Gain/Ignite. Collaborate with architects, traders, product managers, quantitative developers, infrastructure engineers, and globally distributed technology teams. Participate in architectural decision-making and help shape the strategic direction of the eTrading infrastructure. Identify opportunities to use AI/ML and Generative AI to improve areas such as: Trading analytics and market-data processing Anomaly and pattern detection Intelligent monitoring and operational automation Code quality, testing, and developer productivity Forecasting, optimization, and decision-support capabilities Ensure AI-enabled solutions are designed with appropriate controls for performance, security, explainability, data quality, and regulatory compliance. Troubleshoot complex production issues and drive root-cause analysis and permanent resolution. Contribute to code reviews, technical design reviews, automated testing, and continuous improvement initiatives. Support DevOps, release management, and production deployment activities. Mentor junior and mid-level developers and, where required, provide technical leadership for delivery teams. Required Qualifications and Experience: Bachelor’s degree in Computer Science, Engineering, Mathematics, or a related technical discipline. 8+ years of hands-on experience developing server-side applications in Java. Strong expertise in: Core Java and Java Collections API Java Concurrency and multithreading Reactive programming and Rx Streams Asynchronous and event-driven application design Messaging and event processing across multiple streams Distributed caching, preferably Grid Gain/Ignite 5+ years of experience developing multicast messaging solutions. 5+ years of experience working with relational databases, including SQL Server, Sybase, Oracle, or equivalent technologies. 5+ years of experience designing low-latency trading application services. Strong understanding of performance tuning, memory management, garbage collection, profiling, and latency optimization. 5+ years of experience with DevOps and build/release tools, such as: Maven Jenkins Nexus Helios or similar deployment platforms Practical experience with distributed systems, fault tolerance, resiliency, and high availability. Demonstrated experience with technical design, system integration, and production support. Hands-on experience with AI/ML technologies, Generative AI, or AI-assisted software engineering, including familiarity with APIs, model integration, data pipelines, or machine-learning workflows. Strong analytical, problem-solving, and debugging skills. Excellent verbal and written communication skills. Strong attention to detail and commitment to quality. Ability to work effectively in a collaborative, global team environment. Demonstrated reliability, ownership, dedication, and a proactive approach to delivery.

What you’ll do

Develop and maintain high-performance, low-latency electronic and algorithmic trading applications, including real-time market data, order processing, pricing, and execution services. Contribute to architecture, production support, AI-enabled improvements, delivery practices, and mentoring across globally distributed teams.

Requirements

Requires a bachelor’s degree in a relevant technical discipline and 8+ years of hands-on server-side Java development, with substantial experience in low-latency trading systems, multicast messaging, relational databases, and DevOps tools. Candidates should also have practical AI/ML or Generative AI experience, strong distributed-systems and performance-tuning skills, and effective communication and problem-solving abilities.

Listed skills

• Production · Preferred
• Technical · Preferred
• Problem solving · Preferred
• Data analysis · Preferred
• Execution · Preferred
• management · Preferred
• Machine learning · Preferred
• Communication · Preferred
• Development · Preferred
• Time · Preferred
• Java · Preferred
• Integration · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Core Java
• Java Concurrency
• Multithreading
• Reactive Programming
• Rx Streams
• Asynchronous Processing
• Event-Driven Architecture
• Multicast Messaging
• Distributed Caching
• GridGain/Ignite
• Low-Latency Trading Systems
• Relational Databases
• DevOps
• Artificial Intelligence and Machine Learning
• Generative AI
• Production Support

Job areas

• Software
• Technology
• Finance & Accounting
• Data & Analytics

More jobs from Epsilon Solutions Ltd.