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Senior Java Backend Developer Jobs in Ontario (NOW HIRING)

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 ...

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 ...

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 ...

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 ...

CIBC

Consultant, Back End Developer

Toronto, ON · Hybrid

  • Retirement

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 ...

CIBC US

Consultant, Back End Developer

Toronto, ON · Hybrid

  • Retirement

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 ...

StackandCo

\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?

StackandCo

... backend development role, therefore someone who has the experience deploying in the cloud and ... An ambition to lead engineers would be nice to have \n * Solid Linux background \n \n \n \n \n \n

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Senior Java Backend Developer information

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$33

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$93

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

As of Aug 19, 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?

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 August 2026, with employment types broken down into 75% Full Time, 12% Part Time, and 13% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $136,056 per year, or $65.4 per hour.

Senior Java developer

Talent Transformation Group Inc

Ottawa, ON

Full-time

Posted 6 days ago

Job description

We are seeking a senior Java developer to join our team in a full-time employment capacity. This role requires expertise in Java-based systems, along with experience in audio codec integration, VOIP/ROIP protocols, and mission-critical communication systems. The successful candidate will play a key role in the development and enhancement of applications that support military and emergency services communication platforms, ensuring reliability, security, and performance under demanding conditions.
Key Responsibilities:
  • Design, develop, and maintain Java applications for use with VOIP/ROIP and digital communication systems.
  • Integrate and optimize audio codecs (e.g., Opus, AAC Audio).
  • Work on SIP, RTP, and other VOIP/ROIP protocols for real-time communication.
  • Collaborate with cross-functional teams to design secure and fault-tolerant communication solutions.
  • Develop and implement features for interoperability with military communication systems.
  • Ensure scalability, low-latency performance, and high availability of communication services.
  • Participate in code reviews, architecture discussions, and technical planning.
  • Regular customer engagement for the purposes of requirements gathering, feature demonstrations, and product support.
Required Qualifications
  • Bachelor’s degree in computer science, Engineering, or a related field.
  • 10+ years of experience in Java development.
  • Located in the Ottawa area or willing to relocate to the Ottawa area.
  • Experience developing distributed client/server environments.
  • In-depth knowledge of VOIP/ROIP technologies (e.g., SIP, RTP, SRTP).
  • Hands-on experience with audio codecs and real-time media processing.
  • Familiarity with radio systems, digital signal processing (DSP), and tactical communication protocols.
  • Strong understanding of network programming and low-level socket communication.
  • Excellent problem-solving, debugging, and performance optimization skills.
Preferred Qualifications
  • Experience developing communication software for military, defence, or emergency services.
  • Familiarity with Open SDR (software-defined radio).
  • Active security clearance (Secret or higher).