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Senior Java Developer Jobs in London, ON (NOW HIRING)

CARFAX

Senior Software Engineer

London, ON · On-site

CA$92.60K - CA$136K/yr

Java Experience: Strong background in Java development and object-oriented programming principles. * Tech Proficiency: Familiarity with enterprise-level systems using common frameworks and libraries.

CARFAX

Senior Software Engineer

London, ON

CA$92.50K - CA$136K/yr

Join Team CARFAX as Senior Software Engineer Isn't it time you bragged about where you work? At ... Object Oriented experience with languages such as Java, Kotlin, Golang, Python OR C#. We primarily ...

CARFAX

Senior Software Engineer

London, ON · On-site

Join Team CARFAX as Senior Software Engineer Isn't it time you bragged about where you work? At ... Object Oriented experience with languages such as Java, Kotlin, Golang, Python OR C#. We primarily ...

CARFAX

Senior Software Engineer

London, ON · On-site

CA$92.50K - CA$136K/yr

Join Team CARFAX as Senior Software Engineer Isn't it time you bragged about where you work? At ... Object Oriented experience with languages such as Java, Kotlin, Golang, Python OR C#. We primarily ...

ZTR

Senior Embedded Software Developer

London, ON · On-site

Expert in at least one programming language used in embedded computing (Python, Go, Rust, C++, C, Java or JavaScript) * Advanced knowledge of Linux systems programming and development * Familiarity ...

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Senior Java Developer information

See London, ON salary details

$58.3K

$108K

$148.5K

How much do senior java developer jobs pay per year?

As of May 28, 2026, the average yearly pay for senior java developer in London, ON is $107,958.00, according to ZipRecruiter salary data. Most workers in this role earn between $91,495.00 and $122,138.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Java Developer, and why are they important?

To thrive as a Senior Java Developer, you need advanced proficiency in Java programming, experience with software design patterns, and a strong grasp of backend development, often supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git, as well as knowledge of cloud platforms, is typically required. Excellent problem-solving, leadership, and communication skills help you guide teams and collaborate effectively. These competencies are crucial for delivering robust, scalable software solutions and driving technical success within development teams.

What are some common challenges Senior Java Developers face when working on large-scale enterprise projects?

Senior Java Developers often encounter challenges such as maintaining code quality across large codebases, managing dependencies between modules, and ensuring optimal application performance. Collaborating with cross-functional teams—including QA, DevOps, and product management—requires clear communication and effective problem-solving. Additionally, staying updated with the latest Java frameworks and best practices is essential for delivering scalable and maintainable solutions in complex enterprise environments.

What are Senior Java Developers?

Senior Java Developers are experienced software engineers who specialize in using the Java programming language to design, develop, and maintain complex applications. They typically lead development teams, oversee project architecture, and ensure code quality through best practices. In addition to strong coding skills, they often mentor junior developers and collaborate with stakeholders to deliver robust software solutions. Their expertise is crucial in building scalable, high-performance applications across various industries.

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

AspectSenior Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentTeam lead roles, project management, mentoringDevelopment-focused, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, e-commerceSoftware firms, startups, enterprise IT
Common Search & ComparisonOften compared for experience level and responsibilitiesSimilar roles with slight variations in scope

The main difference between a Senior Java Developer and a Java Software Engineer lies in their responsibilities and experience. Senior Java Developers typically take on leadership, mentoring, and project management roles, while Java Software Engineers focus more on coding, development, and technical implementation. Both roles require strong Java skills and relevant credentials, but the Senior Java Developer usually has more experience and a broader scope of responsibilities.

What are the most commonly searched types of Java Developer jobs in London, ON? The most popular types of Java Developer jobs in London, ON are:
What are popular job titles related to Senior Java Developer jobs in London, ON? For Senior Java Developer jobs in London, ON, the most frequently searched job titles are:
What cities near London, ON are hiring for Senior Java Developer jobs? Cities near London, ON with the most Senior Java Developer job openings:
Senior Java Developer jobs near you
Infographic showing various Senior Java Developer job openings in London, ON as of May 2026, with employment types broken down into 44% Full Time, and 56% Contract. Highlights an 100% In-person job distribution, with an average salary of $107,958 per year, or $51.9 per hour.
Senior Software Engineer

Senior Software Engineer

CARFAX

London, ON • On-site

CA$92.60K - CA$136K/yr

Full-time

Medical, Retirement

Posted 10 days ago

Job description

Join Team CARFAX as a Senior Software Engineer 
 
Isn't it time you bragged about where you work? At CARFAX, we do, every day. We pride ourselves on being mission-focused on helping to grow a brand built on accuracy and integrity. We care deeply about our products and our customers. We’re more than just a company: We help millions of consumers make more-informed decisions every day. We know that our teammates are our most valuable asset, and we value a balanced life while tackling challenging projects in a fast-paced environment. One last thing: Our four-day week continues in Summer 2026!
 
Why choose CARFAX? 
 
At CARFAX, we foster a unique development environment designed for innovation and personal growth. Here’s what makes our development environment stand out: 
 
Hands-on Learning: Dive into real-world challenges and have opportunities to expand your skills. 
Test-Driven Development (TDD): Ensure quality through rigorous testing and refinement of all our code. 
Pair Programming: Collaborate closely with peers to solve problems faster and learn from one another. 
Agile Methodologies: Adapt and respond to changes quickly and efficiently with agile practices. 
Professional Development: Dedicated time for self-directed learning and growth. 
 
At CARFAX, we believe in the power of teamwork and value in-person interactions so that we can collaborate and thrive together. This position will require 2 days in the London, ON office per week, subject to change with future business needs.
What you'll be doing: 
  • Collaborate in an Agile Environment: Work seamlessly within a team using agile practices. 
  • Write Robust Code: Develop high-performing, reliable code for new system features on prominent projects. 
  • Participate in Design Decisions: Engage in technology research, prototyping, and critical design choices. 
  • Employ TDD and Continuous Integration: Utilize and enhance test-driven development and continuous integration methodologies. 
  • Expand Your Tech Horizons: Gain exposure to a broad range of technologies continuously. 
  • Collaborate Closely: Work with fellow engineers, architects, support teams, and business stakeholders. 
  • Lead and Mentor: Provide guidance and share your expertise with junior and senior team members. 
  • Engage with Stakeholders: Help elicit requirements and communicate project needs effectively. 
 
What we're looking for: 
  • 5+ years of Object-Oriented Programming and hands-on coding. 
  • Java Experience: Strong background in Java development and object-oriented programming principles.
  • Tech Proficiency: Familiarity with enterprise-level systems using common frameworks and libraries. 
  • Source Control Mastery: Proficiency with GitLab CI/CD. 
  • NoSQL Expertise: Advanced experience with NoSQL databases. 
  • Cloud Development: Experience working in a cloud environment. 
  • Testing Commitment: A strong dedication to unit and integration testing. 
  • Leadership Abilities: Capacity to lead and mentor through complex technical challenges. 
  • Collaboration Skills: Strong team collaboration and independent work capabilities. 
  • Effective Communication: Ability to articulate project needs to various stakeholders. 
 
Nice-to-Have Skills:
  • Big Data Experience: Proficiency with big data technologies such as Apache Spark and Hadoop.
  • Data Pipeline Creation and Maintenance: Experience designing and maintaining comprehensive data pipelines.
  • Large Scale Data Processing: Hands-on experience with large-scale data processing and analysis.
  • Familiarity with TypeScript for building robust, type-safe applications. 
  • AWS Development: Experience with AWS services such as Lambda, S3, SQS, SNS, and infrastructure as code tools like Terraform and AWS Cloud Development Kit (CDK).  
 
What’s in it for you: 
  • Competitive Compensation: Attractive salary, comprehensive benefits, and generous time-off policies. 
  • Flexible Work Schedules: Enjoy 4-day summer work weeks and a winter holiday break. 
  • Retirement Support: 401(k) / DCPP matching. 
  • Performance Rewards: Annual bonus program to recognize your contributions. 
  • Innovative Workspace: Casual, dog-friendly offices designed for creativity and collaboration. 
 
Hear from our Team: Our accolades speak for themselves:
  • 10X Virginia Business Best Places to Work
  • 9X Washingtonian Great Places to Work
  • 9X Washington Post Top Workplace
  • St. Louis Post-Dispatch Best Places to Work
Vacancy Status:
This posting is for an existing vacancy.
 
Base Salary:
The anticipated base salary range for this position is CAD $92,600 to $136,000 annually. Final base salary will be determined based on geographical location, experience, and qualifications.
 
Benefits:
Join a company that values your total wellbeing. Carfax offers competitive compensation, comprehensive healthcare coverage, and the chance to make a meaningful impact in an industry-leading organization.  Our benefit offerings can be found at: CARFAX Careers.

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