Freelance Java Spring Developer Jobs in Toronto, ON

What is the opportunity?
The Trading & Execution Services group within Capital Markets is seeking a strong Java developer for the Program Trading team. We are building a world-class data organization that leverages artificial intelligence and modern technology stack to transform how capital markets professionals' access data & execute trades.

What will you do?
We are seeking a Senior Java Developer to design, build, and maintain high-performance applications that facilitate basket trading & handle streaming data within Global Equities business. This is a fast-paced business with frequently changing needs and requirements.
Beyond that, you will also maintain and enhance supporting applications used by our trading desks.
This role demands a seasoned developer with an AI-first mindset who has demonstrated experience applying generative AI tools to improve developer productivity and solution delivery.
Design, develop, test, and troubleshoot high-performance Java/Spring Boot applications for data ingestion, processing, and delivery across the trading data lifecycle
Write production-quality code with a test-first mentality, ensuring reliability and
maintainability across all deliverables
Integrate new data connection streams including FIX protocol feeds and other real-time market data sources
Build and optimize applications for real-time transaction processing, handling high data volumes with low-latency requirements Diagnose and resolve performance issues surrounding CPU, I/O, memory, and other
contentions in high-performance applications
Apply generative AI tools to accelerate development workflows including code
generation, code review, test creation, and documentation
Demonstrate proven use cases where AI tools have improved developer productivity or enhanced final solution quality
Gather requirements by performing end-user interviews with trading desk personnel and business stakeholders
Liaise with QA and production teams to ensure successful testing and release of software changes
Provide L2 (2nd line) support as required, diagnosing and resolving production issues in a timely manner
Understand existing code bases and improve the performance of slow processes
Work with adjacent teams to fix, adjust, or diagnose system issues across the trading data ecosystem

What do you need to succeed?
Must Have
Bachelor's degree in computer science, Software Engineering, or equivalent
7+ years of hands-on Java/Spring Boot development experience with deep
understanding of core Java APIs & strong command of design patterns, concurrency, and memory management
5+ years of hands-on experience with real-time transaction processing and multi-threading in high-performance environments working in Capital Markets domain at reputed investment banks or capital markets technology firms.
Test-driven development (TDD) methodology with experience writing comprehensive unit and integration tests Ability to diagnose and resolve performance issues surrounding CPU, I/O, memory, and other contentions in high-performance applications
Proficiency in working with relational databases and complex SQL queries including stored procedures and query optimization
Experience with CI/CD pipelines, version control (Git), and modern DevOps practices
Proven experience in leveraging AI tools for code generation, debugging, test
automation, and documentation. Willingness to continuously explore and adopt new AI-powered development capabilities

Nice to Have

Familiarity with FIX protocol and FIX engines for market connectivity
Experience with event-driven architectures and pub/sub messaging systems (Solace, Kafka, or equivalent)
Knowledge of C# and .NET ecosystem for enterprise applications

What's in it for you?

We thrive on the challenge to be our best, progressive thinking to keep growing, and working together to deliver trusted advice to help our clients thrive and communities prosper. We care about each other, reaching our potential, making a difference to our communities, and achieving success that is mutual.

• A comprehensive Total Rewards Program including bonuses and flexible benefits, competitive compensation, commissions, and stock where applicable

• Leaders who support your development through coaching and managing opportunities

• Ability to make a difference and lasting impact

• Work in a dynamic, collaborative, progressive, and high-performing team

• A world-class training program in financial services

• Flexible work/life balance options

• Opportunities to do challenging work

#LI-POST

Job Skills

Agentic AI, AI Agents, AI Alignment, Apache Hadoop, Apache Spark, Application Development, Application Integrations, Application Maintenance, Applications Architecture, Artificial Intelligence Software, Big Data, Data Warehousing (DW), Detail-Oriented, Enterprise Application Delivery, ETL Development, Generative AI Agents, Group Problem Solving, Java (Programming Language), Microsoft SQL Server, Programming Languages, Python (Programming Language), Software Development Life Cycle (SDLC), System Applications

Additional Job Details

RBC CENTRE, 155 WELLINGTON ST W:TORONTOTorontoCanada37.5Full timeCAPITAL MARKETSRegularSalaried2026-07-032026-08-31

Note: Applications will be accepted until 11:59 PM on the day prior to the application deadline date above

Our Employment Opportunities

At RBC, we are guided by living shared values of Client First, Integrity, Collaboration, Respect and Excellence and winning together as One RBC. We believe an inclusive workplace that has diverse perspectives is core to our continued growth as one of the largest and most successful banks in the world. Maintaining a workplace where our employees feel supported to perform at their best, effectively collaborate, drive innovation, and grow professionally helps to bring our Purpose to life and create value for our clients and communities. RBC strives to deliver this through policies and programs intended to foster a workplace based on respect, belonging and opportunity for all.

RBC is presently inviting candidates to apply for this existing vacancy. Applying to this posting allows you to express your interest in this current career opportunity at RBC. Qualified applicants may be contacted to review their resume in more detail.

Employment Type: FULL_TIME