Senior Core Java Developer with E-trade exp.

Synechron; Toronto; Hybrid; CAD 110,000 - 120,000; Full time

Benefits offered by this job

58 offices in 22 countries

Flexible hybrid policy

Comprehensive insurance plan

RRSP with employer contribution

Udemy for Business access

Job summary

Synechron, a global consulting firm, seeks a Senior Java Developer with AI experience to join the FIC Global Spread Products eTrading Technology team in Toronto. You will contribute to a next-generation electronic trading platform, focusing on high-performance, low-latency services and AI-assisted enhancements.

The role demands extensive Java expertise, multithreading, messaging, and experience applying AI/ML to trading, analytics, and automation.

Qualifications

• 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; Concurrency and multithreading.
• Reactive programming and Rx Streams; Asynchronous and event-driven design.
• Distributed caching; experience with GridGain/Ignite.
• 5+ years of experience with multicast messaging, relational databases, and low-latency services.
• 5+ years of experience with DevOps/build tools (Maven, Jenkins, Nexus).
• Hands-on experience with AI/ML or Generative AI; model integration and data pipelines.

Responsibilities

• Design, develop, and maintain high-performance, low-latency eTrading applications using Core Java.
• Contribute to the next-generation electronic trading platform.
• Develop scalable services for real-time market data, order processing, pricing, and execution.
• Apply advanced Java concurrency, multithreading, and reactive techniques.
• Design messaging and event-processing solutions across multiple real-time data streams.
• Collaborate with architects, traders, and global teams; drive architectural decisions.
• Mentor junior developers and contribute to code reviews and CI/CD.

Skills

Java

Multithreading

Messaging

AI/ML

Low-latency design

Performance tuning

Education

Bachelor's degree in Computer Science/Engineering/Math

Tools

GridGain/Ignite

Maven

Jenkins

Nexus

Job description

At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron’s progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development initiatives in our FinLabs we develop solutions for modernization, from Artificial Intelligence and Blockchain to Data Science models, Digital Underwriting, mobile-first applications and more. Over the last 20+ years, our company has been honored with multiple employer awards, recognizing our commitment to our talented teams. With top clients to boast about, Synechron has a global workforce of 17000+, and has 58 offices in 22 countries within key global markets.

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.

Additional Information*

The base salary for this position will vary based on geography and other factors. In accordance with law, the base salary for this role if filled within Toronto, ON is CAD $110k – CAD $120k/year & benefits (see below).

The Role

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 GridGain/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.

Requirements

• 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 GridGain/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
• 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.

Preferred, but not required

• 2+ years of hands‑on experience with cloud or container technologies, including:
• Docker
• Cloud‑native platforms
• CI/CD and infrastructure automation
• Experience with AI/ML frameworks, model‑serving platforms, or data‑science technologies.
• Experience applying AI to financial services, capital markets, electronic trading, market surveillance, risk, or operations.
• Experience with Python, Spark, Kafka, or other technologies used in data and AI ecosystems.
• Experience with FIX protocol, market‑data feeds, order‑management systems, or trading platforms.
• Experience with performance testing, benchmarking, and latency measurement.
• Experience managing technical delivery, coordinating projects, and leading development teams.
• Ability to manage and mentor people while maintaining hands‑on technical involvement.

We offer

• A multinational organization with 58 offices in 22 countries and the possibility to work abroad.
• 15 days (3 weeks) of paid annual leave plus an additional 10 days of personal leave (floating days and sick days).
• A comprehensive insurance plan including medical, dental, vision, life insurance, and long‑term disability.
• Flexible hybrid policy.
• RRSP with employer’s contribution up to 4%.
• A higher education certification policy.
• On‑demand Udemy for Business for all Synechron employees with free access to more than 5000 curated courses.
• Coaching opportunities with experienced colleagues from our Financial Innovation Labs (FinLabs) and Center of Excellence (CoE) groups.
• Cutting edge projects at the world’s leading tier‑one banks, financial institutions and insurance firms.
• A truly diverse, fun‑loving and global work culture.

S YNECHRON’S DIVERSITY & INCLUSION STATEMENT

Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and is an affirmative action employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.

All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.