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Senior Full Stack Java Developer Jobs in London, ON

CARFAX

Senior Software Engineer

London, ON · On-site

CA$92K - 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.

KPMG

Senior Power Platform Developer

London, ON · On-site +1

We are seeking a dynamic and business-savvy Senior Power Platform Developer to join our team. This ... Support the full lifecycle of solution delivery from ideation and prototyping to deployment and ...

Td

Software Engineer III

London, ON · On-site

CA$125K - CA$154K/yr

We are seeking a skilled Senior Software Engineer with expertise in Java with expertise in Node JS ... your full potential to achieve your career goals. Here at TD, we hire and develop the best.

Proton

Senior Front End Engineer (Docs)

London, ON · On-site +1

... Stack and Tools: JavaScript, TypeScript, React, ES6, Playwright, Jest, Grafana All Standard Notes ... Enhance Standard Notes' development lifecycle, tools, and code structure for an improved developer ...

New

Trojan Technologies

Senior Project Manager

London, ON · On-site

... engineered-to-order project environment; PMP designation an asset * Demonstrated experience managing complex projects through the full project lifecycle (order entry to commissioning/acceptance)

Parsons

Senior Highway Engineer - MTO

London, ON · Hybrid

... your full potential. Unleash your talent and redefine what's possible. Overview: The Senior ... You will lead a team of Highway Engineers and Design Specialists, and work on a variety of ...

Bullish

Product Manager - Trading

London, ON · On-site

A strong desire to move away from full-stack engineering/heavy coding and into a role focused on product strategy, user experience, and business growth. * Technical Proficiency: Skills in Python (for ...

Bullish

Product Manager - Trading

London, ON · On-site

A strong desire to move away from full-stack engineering/heavy coding and into a role focused on product strategy, user experience, and business growth. * Technical Proficiency: Skills in Python (for ...

ALS

Mining Process Engineer

London, ON

CA$115K - CA$135K/yr

Working across the full control stack, from field instrumentation and PLCs to SCADA, advanced process control (APC), and data historian systems. This role combines hands-on programming with real ...

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All JobsFull Stack Java Developer JobsSenior Full Stack Java Developer JobsSenior Full Stack Java Developer Jobs in London, ON

Senior Full Stack Java Developer information

See London, ON salary details

$12.9K

$113.4K

$155.4K

How much do senior full stack java developer jobs pay per year?

As of Jun 17, 2026, the average yearly pay for senior full stack java developer in London, ON is $113,441.00, according to ZipRecruiter salary data. Most workers in this role earn between $97,106.00 and $130,338.00 per year, depending on experience, location, and employer.

Is Java full stack still in demand?

Java full stack developers are currently in high demand due to their ability to work on both front-end and back-end development using Java frameworks like Spring Boot and Angular or React. Organizations value these skills for building comprehensive, scalable applications, and proficiency in related technologies such as REST APIs and cloud platforms enhances job prospects.

Will Fullstack be replaced by AI?

Full Stack Java Developers perform complex tasks that involve designing, coding, and maintaining both frontend and backend systems, which currently require human judgment and problem-solving skills. While AI tools can assist with coding and automation, they are unlikely to fully replace the need for skilled developers in the near future, as human oversight and expertise remain essential for complex software development. Continuous learning and adapting to new technologies are important for full stack developers to stay relevant.

What is the salary of a senior full stack developer?

The salary of a senior full stack Java developer typically ranges from $100,000 to $150,000 annually, depending on experience, location, and company size. They often possess skills in Java, JavaScript, and frameworks like React or Angular, and may also have certifications or experience with cloud platforms.

What are Senior Full Stack Java Developers?

Senior Full Stack Java Developers are experienced software professionals who design, develop, and maintain both the front-end and back-end components of web applications using Java and related technologies. They typically work with frameworks such as Spring Boot for the backend and may use JavaScript frameworks like Angular or React for the frontend. In addition to coding, they often lead development teams, make architectural decisions, and ensure best practices are followed throughout the software development lifecycle.

How much do senior Java developers make?

Senior Java developers typically earn between $100,000 and $150,000 annually, depending on experience, location, and industry. They often possess strong skills in frameworks like Spring and Hibernate, and may hold certifications such as Oracle Certified Professional Java SE.

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

A Senior Full Stack Java Developer needs advanced proficiency in Java, front-end frameworks (such as Angular or React), and a solid understanding of databases, supported by a bachelor’s degree in computer science or related field. Experience with tools like Spring Boot, RESTful APIs, version control systems (e.g., Git), and cloud platforms is typically required, along with relevant certifications. Strong problem-solving, communication, and teamwork skills help developers effectively collaborate and deliver robust solutions. These competencies are crucial for building scalable applications, leading projects, and ensuring efficient development processes.

What are some common challenges Senior Full Stack Java Developers face when balancing backend and frontend responsibilities?

Senior Full Stack Java Developers often encounter the challenge of staying up-to-date with both backend Java frameworks and rapidly evolving frontend technologies. Balancing deep expertise in server-side development with proficiency in modern JavaScript frameworks (like React or Angular) can be demanding. Additionally, these professionals often need to effectively prioritize tasks between client and server development while collaborating with specialized frontend or backend team members. Time management, clear communication, and a willingness to learn new tools are essential for success in this multifaceted role.
What are popular job titles related to Senior Full Stack Java Developer jobs in London, ON? For Senior Full Stack Java Developer jobs in London, ON, the most frequently searched job titles are:
What cities near London, ON are hiring for Senior Full Stack Java Developer jobs? Cities near London, ON with the most Senior Full Stack Java Developer job openings:
Senior Full Stack Java Developer jobs near you
Infographic showing various Senior Full Stack Java Developer job openings in London, ON as of June 2026, with employment types broken down into 100% Full Time. Highlights an 60% In-person, 20% Hybrid, and 20% Remote job distribution, with an average salary of $113,441 per year, or $54.5 per hour.
Senior Software Engineer

Senior Software Engineer

CARFAX

London, ON • On-site

CA$92K - CA$136K/yr

Full-time

Medical, Retirement

This job post has expired today. Applications are no longer accepted.

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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