1

Senior Java Software Developer Jobs in Ontario (NOW HIRING)

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 ...

\n \n \n \n \n Our client, an impressive SAAS company, is continuing to build out their tech operations in Dublin. \n \n \n \n \n \n We are looking for Java\/Fullstack Software Engineers to join our ...

A Java Developer designs, develops, tests, and maintains scalable Java-based applications (web, enterprise, mobile) by writing clean code, collaborating with teams, and integrating with databases and ...

... a Software Developer (Java) \n * Strong communicator and a team player \n * Spring framework experience \n * Good frontend (JavaScript) experience, React ideal \n * Experience (or an interest) in ...

Elevate your career as a Senior Software Engineer with US Servicing Platform Technology Solutions ... years of Java Application Development experience • Proficiency in the Spring framework ...

... Engineering, or related field. * 10+ years of IT experience with at least 3-5 years in a Solution Architect role. * Proven experience delivering enterprise-grade Java and Big Data solutions.

\n \n \n \n \n Are you a Senior Java Developer with extensive cloud experience looking for your next challenge? Do you have Microservices and TDD? Are you interesting in working in the banking sector?

\n \n \n \n \n We are looking for an experienced Java Developer for a contract position in Dublin. You will be joining a rapidly expanding team who are working on the most cutting edge products. \n \n ...

\n \n \n \n \n We have a contract position available for a Java developer within a rapidly growing global team. You will be responsible for the design and development of the company's platform and ...

\n \n \n \n \n We are looking for an experienced Java Developer for a contract position in Dublin. You will be working as part of an agile team to deliver the highest quality solutions! \n \n \n \n \n ...

Iris Software's client, one of the leading banks, is looking to hire for the following role. Mode of Work Hybrid (1-2 days onsite) Qualifications * 10+ years of experience in Java application ...

Oracle Certified Java Developer certification will be an asset. * Technical Knowledge of event driven architecture (Kafka, Kafka connectors, Kafka brokers) * 3-5 years of working experience in the ...

... a Java software engineer \n * JAVA 1.7 & higher. Significant and demonstrable experience of implementing Java best practice, valuing scalability, availability and performance. \n * Spring\/Spring ...

Be Seen First

Senior Java Engineer (React)

Toronto, ON · On-site

CA$70 - CA$120/hr

Senior Java Engineer Type: 6-month contract + opportunity to extend Location: 1 Queen Street East ... Comfortable contributing to frontend features and UI enhancements Cloud & DevOps * Cloud- AWS ...

\n \n \n \n \n Our client has a requirement for a highly experienced Java Developer for a contract position in Dublin. You will be joining a highly collaborative team offering you the opportunity to ...

Senior Software Developer

Toronto, ON · On-site +1

CA$120K - CA$140K/yr

As a Senior Software Developer, you will be creating prototypes and software design proposals that ... Experience building highly distributed microservice architecture using Java 17/21, Spring Boot 3.x ...

Showing results 41-60

Senior Java Software Developer information

See Ontario salary details

$86.5K

$135K

$262.5K

How much do senior java software developer jobs pay per year?

As of Aug 6, 2026, the average yearly pay for senior java software developer in Ontario is $134,992.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,000.00 and $138,000.00 per year, depending on experience, location, and employer.

What is a senior Java software developer?

A Senior Java Software Developer is an experienced professional responsible for designing, developing, and maintaining complex software applications using the Java programming language. They typically lead development teams, mentor junior developers, and contribute to architectural decisions. Senior Java Developers are expected to have a deep understanding of Java frameworks, best coding practices, and software development methodologies. They also collaborate with stakeholders to deliver robust, scalable, and efficient software solutions.

What are some common challenges senior Java software developers face when leading projects, and how can they effectively address them?

Senior Java Software Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members, managing project timelines, and ensuring code quality across large, distributed systems. To address these, it’s crucial to establish clear communication channels, implement robust code review processes, and leverage agile methodologies for project management. Additionally, staying up-to-date with the latest Java frameworks and best practices helps in making informed architectural decisions and streamlining development workflows.

What are the key skills and qualifications needed to thrive as a senior Java software developer?

To thrive as a Senior Java Software Developer, you need advanced proficiency in Java programming, strong knowledge of software design patterns, and experience with frameworks like Spring, typically backed by a bachelor's degree in computer science or a related field. Familiarity with tools such as Git, Maven, Jenkins, and cloud platforms, along with relevant certifications like Oracle Certified Professional Java SE, is often required. Strong problem-solving abilities, effective communication, and leadership skills help in mentoring teams and collaborating on complex projects. These skills ensure the delivery of robust, scalable software solutions and foster innovation within development teams.

What is the difference between Senior Java Software Developer vs Java Software Engineer?

AspectSenior Java Software DeveloperJava Software Engineer
Required CredentialsBachelor's degree in Computer Science or related field; extensive Java experience; certifications like Oracle Java CertificationBachelor's degree in Computer Science or related field; Java programming skills; certifications are common but not mandatory
Work EnvironmentDevelops complex applications, mentors junior staff, leads projectsDesigns and develops Java applications, collaborates with teams, implements features
Employer & Industry UsageUsed across tech companies, finance, healthcare, and enterprise sectorsCommon in software development firms, IT departments, and tech startups

The main difference between a Senior Java Software Developer and a Java Software Engineer lies in experience level and responsibilities. Senior developers often lead projects and mentor others, while Java Software Engineers focus on designing and implementing Java applications. Both roles require strong Java skills and similar educational backgrounds, but seniority involves additional leadership and project management duties.

What cities in Ontario are hiring for Senior Java Software Developer jobs? Cities in Ontario with the most Senior Java Software Developer job openings:
What are popular job titles related to Senior Java Software Developer jobs in ON? For Senior Java Software Developer jobs in ON, the most frequently searched job titles are:
Infographic showing various Senior Java Software Developer job openings in Ontario as of August 2026, with employment types broken down into 91% Full Time, 6% Part Time, and 3% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $134,992 per year, or $64.9 per hour.

Sr Software Developer

Royal Bank of Canada

Toronto, ON • On-site

Full-time

Re-posted 2 days ago


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:

2026-07-31

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.

Join our Talent Community
Stay in-the-know about great career opportunities at RBC. Sign up and get customized info on our latest jobs, career tips and Recruitment events that matter to you.
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