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Freelance Java Spring Developer Jobs in Toronto, ON

Citi

Senior Java Developer, Vice President

Mississauga, ON · On-site

CA$120K - CA$170K/yr

The Lead Developer is a senior level position responsible for establishing and implementing new or ... Java, Spring, Kafka, Distributed Cache/Systems (e.g. Apache Ignite) Hands on experience on ...

Citi

Senior Java Developer, Vice President

Mississauga, ON

CA$120K - CA$170K/yr

The Lead Developer is a senior level position responsible for establishing and implementing new or ... In depth knowledge of Java, Spring, Kafka, Distributed Cache/Systems (e.g. Apache Ignite) * Hands ...

Scotiabank

Software Developer(Java)

Toronto, ON · On-site

Spring framework works. * Technical working knowledge of Web Services, SOAP/REST, STS Spring Tools ... Oracle Certified Java Developer certification will be an asset. * Technical Knowledge of event ...

Poly Services Group

Senior Java Developer

Toronto, ON · On-site

SENIOR JAVA SOFTWARE DEVELOPER Location: Toronto, ON (uptown) Industry: Technology Type: Permanent ... Spring Framework Hands on experience developing application on the Cloud and in containers Mobile ...

Localcoin

Senior Java Developer

Etobicoke, ON · Hybrid

CA$120K - CA$140K/yr

As a Senior Java Back-End Developer at Localcoin, you will be responsible for developing and ... In-depth experience with Spring framework, including Spring - Boot, JPA, MVC and Spring Security ...

Konrad

Senior Java Developer

Toronto, ON · Hybrid

CA$120K - CA$145K/yr

About The Role As a Full Stack Java Developer you'll be tasked with working on web application development in Java and Spring Boot. Working within the software development team, your duties will ...

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Freelance Java Spring Developer information

What is a freelance Java Spring developer?

A Freelance Java Spring Developer is a self-employed software professional who specializes in building, maintaining, and optimizing applications using the Java programming language and the Spring framework. These developers work on a contract or project basis for various clients, rather than as full-time employees for a single company. Their responsibilities often include designing backend systems, integrating APIs, and ensuring applications are scalable and secure. Freelance Java Spring Developers typically manage their own schedules and may work remotely for clients around the world.

What are the key skills and qualifications needed to thrive as a freelance Java Spring developer?

To thrive as a Freelance Java Spring Developer, you need a solid understanding of Java programming, Spring Framework (including Spring Boot), and experience with RESTful APIs, typically supported by a degree in computer science or relevant certifications. Familiarity with tools like Maven, Git, Docker, and cloud platforms such as AWS or Azure is often required. Strong problem-solving, time management, and client communication skills help you stand out in this role. These competencies ensure you can deliver robust solutions efficiently while managing multiple clients and projects in a dynamic freelance environment.

What are the most common challenges faced by freelance Java Spring developers when working with multiple clients simultaneously?

Freelance Java Spring Developers often juggle projects for multiple clients, which can pose challenges such as managing shifting priorities, aligning with different coding standards, and keeping up with varied communication styles. Successfully navigating these requires strong organizational skills, clear project documentation, and proactive communication to set expectations. Additionally, freelancers must stay updated with the latest Spring framework updates to deliver high-quality, maintainable solutions across diverse client environments.

What is the difference between Freelance Java Spring Developer vs Java Backend Developer?

AspectFreelance Java Spring DeveloperJava Backend Developer
CredentialsOften requires Java certifications, Spring certifications, and relevant experienceTypically requires a Java degree or equivalent experience, with or without certifications
Work EnvironmentIndependent, project-based, remote or on-site freelance workFull-time employment in a company or organization, often in an office setting
Employer & Industry UsageClients across various industries hiring for specific projectsEmployers in tech, finance, e-commerce, and other sectors with ongoing backend needs
Search & Comparison IntentLooking for freelance opportunities or contract work in Java Spring developmentSeeking full-time or permanent backend development roles in Java

In summary, Freelance Java Spring Developers typically work independently on short-term projects, requiring specific certifications and flexible work environments. Java Backend Developers usually hold full-time roles within organizations, focusing on ongoing backend system development.

What are the most commonly searched types of Java Spring Developer jobs in Toronto, ON?

The most popular types of Java Spring Developer jobs in Toronto, ON are:

What are popular job titles related to Freelance Java Spring Developer jobs in Toronto, ON?

For Freelance Java Spring Developer jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Freelance Java Spring Developer jobs in Toronto, ON look for?

The top searched job categories for Freelance Java Spring Developer jobs in Toronto, ON are:

Freelance Java Spring Developer jobs near you
Infographic showing various Freelance Java Spring Developer job openings in Toronto, ON as of September 2026, with employment types broken down into 45% Full Time, and 55% Contract. Highlights an 100% In-person job distribution.

Sr Software Developer

Toronto, ON • On-site

Royal Bank of Canada
Banking and Credit Intermediation • 10K+ employees
Learn more about Royal Bank of Canadaexternal

Full-time

Re-posted 6 days ago

Key responsibilities

  • Design, develop, test, and troubleshoot high-performance Java/Spring Boot applications for data ingestion, processing, and delivery across the trading data lifecycle.

  • Integrate new data connection streams including FIX protocol feeds and other real-time market data sources.

  • Gather requirements from trading desk personnel and business stakeholders, and liaise with QA and production teams to ensure successful testing and release of software changes.

Job description

Job Description

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

Address:

RBC CENTRE, 155 WELLINGTON ST W:TORONTO

City:

Toronto

Country:

Canada

Work hours/week:

37.5

Employment Type:

Full time

Platform:

CAPITAL MARKETS

Job Type:

Regular

Pay Type:

Salaried

Posted Date:

2026-07-03

Application Deadline:

2026-11-30

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.

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Expand your limits and create a new future together at RBC. Find out how we use our passion and drive to enhance the well-being of our clients and communities at jobs.rbc.com.

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

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