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Senior Java Backend Developer Jobs in Ontario (NOW HIRING)

ShyftLabs

Senior Backend Developer

Toronto, ON · Hybrid

CA$100K - CA$140K/yr

The Opportunity ShyftLabs is looking for a Senior Developer to help design, build, and scale our ... The ideal candidate combines strong backend and frontend engineering skills with experience in ...

Snaplii

Sr. Java Developer

Toronto, ON

$80K - $150K/yr

About the Role We are an innovative startup seeking a highly skilled and adaptable Senior Java Developer to join our dynamic team. In addition to developing robust and scalable software solutions ...

Hire DigITalent

Senior Java Developer

Toronto, ON · Hybrid

We are seeking a highly experienced and technically proficient Senior Java Developer to join a new initiative with our financial service client. The successful candidate will be part of one of two ...

StackandCo

Minimum 5 years experience as a Senior Engineer \n * Excellent communication skills \- both written and verbal \n * Experience with Java 11 \n * Experience with TDD and CI\/CD \n * Experience in ...

Transunion

Java Developer

Burlington, ON

CA$89K - CA$123K/yr

Core Backend & FullStack Skills. * Practical experience developing UI components using Angular ... We are seeking a Java Developer with strong backend expertise and working knowledge of frontend ...

StackandCo

... backend work) and experience in data processing\/pipelines etc. would be also nice to have. \n \n \n \n \n \n Remote interviews & onboarding. \n \n \n \n \n \n Experience \n \n \n * 4+ years ...

TransUnion

Java Developer

Burlington, ON

CA$89K - CA$123K/yr

Core Backend & FullStack Skills. * Practical experience developing UI components using Angular ... We are seeking a Java Developer with strong backend expertise and working knowledge of frontend ...

StackandCo

\n \n \n Senior Java Engineer \- \/AWS \n \n * Dublin\/ Galway - Remote\/WFH \n * Long Term Contract \n * Negotiable Day Rate \n Leading Fintech\/ Financial Services organisation is looking for a ...

Finastra

Senior Java Developer

Mississauga, ON · On-site

Reporting to the Sr. Development Manager, We are seeking a highly skilled and experienced Senior Developer to join our innovative team. The ideal candidate will have a strong background in Java ...

StackandCo

Minimum 5 years experience as a Senior Engineer \n * Experience with Java 11 \n * Strong experience with Spring frameworks \n * Experience with TDD and CI\/CD \n * Experience in financial services ...

Finastra

Senior Java Developer

Markham, ON · On-site

Reporting to the Sr. Development Manager, We are seeking a highly skilled and experienced Senior Developer to join our innovative team. The ideal candidate will have a strong background in Java ...

CIBC

Consultant, Back End Developer

Toronto, ON · Hybrid

As an Consultant, Back End Developer , you'll will with senior teams and levels on multiple ECIS ... Microservices, Java/J2EE , JSON REST API, XML SOAP, RDBMS/SQL , Docker, Maven/Gradle, Postman ...

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$65

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How much do senior java backend developer jobs pay per hour?

As of Jun 18, 2026, the average hourly pay for senior java backend developer in Ontario is $65.41, according to ZipRecruiter salary data. Most workers in this role earn between $55.05 and $75.00 per hour, depending on experience, location, and employer.

What is a Senior Java Backend Developer job?

A Senior Java Backend Developer is responsible for designing, implementing, and maintaining the server-side logic of applications using Java. They work with databases, APIs, and cloud services to ensure high performance and scalability. Additionally, they collaborate with front-end developers, DevOps teams, and business stakeholders to deliver robust and secure solutions. Seniors are expected to mentor junior developers and contribute to architectural decisions and best practices.

What are the typical daily responsibilities of a Senior Java Backend Developer?

Senior Java Backend Developers usually spend their days designing and implementing backend components, reviewing code, and optimizing system performance. You may take part in architecture discussions, mentor junior developers, and troubleshoot complex technical issues. Collaboration with front-end developers, QA testers, and project managers is frequent to ensure seamless integration and successful product delivery. Additionally, you might be responsible for maintaining system documentation and keeping up-to-date with new technologies relevant to backend development. Overall, the role combines hands-on coding with leadership and cross-functional teamwork.

What are the key skills and qualifications needed to thrive in the Senior Java Backend Developer position, and why are they important?

To thrive as a Senior Java Backend Developer, you need deep knowledge of Java, object-oriented design, RESTful APIs, and database systems, typically backed by a degree in computer science or related field and several years of relevant experience. Expertise in frameworks like Spring, ORM tools such as Hibernate, version control systems like Git, and, often, certifications such as Oracle Certified Professional Java Programmer are valued. Strong problem-solving, leadership, and clear communication skills help in mentoring junior developers and collaborating across teams. These competencies ensure robust, scalable backend solutions and effective team coordination in complex software projects.

What are the most commonly searched types of Java Backend Developer jobs in Ontario? The most popular types of Java Backend Developer jobs in Ontario are:
What are popular job titles related to Senior Java Backend Developer jobs in Ontario? For Senior Java Backend Developer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Senior Java Backend Developer jobs in Ontario look for? The top searched job categories for Senior Java Backend Developer jobs in Ontario are:
What cities in Ontario are hiring for Senior Java Backend Developer jobs? Cities in Ontario with the most Senior Java Backend Developer job openings:
Senior Java Backend Developer jobs near you
Infographic showing various Senior Java Backend Developer job openings in Ontario as of June 2026, with employment types broken down into 77% Full Time, 12% Part Time, 4% Temporary, 6% Contract, and 1% Nights. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $136,056 per year, or $65.4 per hour.

Sr .NET Back End Developer

Pacific Programming and Tech Inc

Toronto, ON • Hybrid

Full-time

Medical, PTO

Posted 22 days ago

Job description

We are looking for a highly skilled Senior .NET Backend Developer to join our backend team. In this role, you will be responsible for designing, developing, and maintaining robust and scalable backend systems using .NET technologies. The ideal candidate has a deep understanding of software architecture, clean coding practices, and experience building high-performance APIs and event-driven services.


Key Responsibilities

  • Design, develop, and maintain backend services using .NET and C#
  • Apply Clean Architecture principles to ensure maintainable and scalable codebases
  • Implement and consume RESTful APIs
  • Work with Entity Framework (EF) for data persistence and complex data modeling
  • Design and build event-driven systems using messaging technologies like RabbitMQ
  • Apply strong software architecture principles to guide system design and service interactions
  • Write unit tests and contribute to overall test automation practices
  • Integrate and manage distributed caching mechanisms (e.g., Redis, NCache) to improve performance
  • Develop efficient SQL queries and work closely with SQL Server
  • Collaborate with cross-functional teams, including frontend, DevOps, and QA
  • Participate in code reviews, architecture discussions, and mentoring junior developers


Required Skills and Qualifications

  • 5+ years of experience in backend development using .NET / .NET Core
  • Strong experience with Entity Framework (EF)
  • Solid understanding of event-driven architecture and experience with RabbitMQ (or similar)
  • Hands-on experience applying Clean Architecture and SOLID principles
  • Strong grasp of general software architecture concepts (e.g., layered architecture, DDD)
  • Proficiency in unit testing frameworks (e.g., xUnit, NUnit, Moq)
  • Familiarity with distributed caching systems such as Redis or NCache
  • Experience building and consuming RESTful APIs
  • Strong skills in SQL Server development and optimization
  • Experience working with version control systems like Git


Nice to Have / Preferred

  • Experience with Elasticsearch and integrating it into .NET applications
  • Experience with microservices architecture
  • Familiarity with CI/CD pipelines and DevOps practices
  • Knowledge of containerization tools like Docker
  • Experience with cloud platforms (e.g., Azure)


What We Offer

  • Competitive salary based on your level of experience.
  • A benefits package that includes an extensive health insurance package, as well annual vacation, sick and personal days.
  • A remote-hybrid work environment and flexible work arrangements to promote work-life balance.
  • A collaborative and supportive work culture.
  • Opportunities for professional growth and development.

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