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Java Backend Developer Jobs in Ontario (NOW HIRING)

StackandCo

\n \n \n \n \n My Client, a global fintech company, going through an exciting phase of expansion, has an excellent opportunity for a Backend Server \- Java Developer. \n \n \n \n \n \n Day To Day's Of ...

IT Connex

Python Developer

Mississauga, ON · Hybrid

Python Backend Developer 📍 Hybrid (3 Days Onsite) | Greater Toronto Area 💼 Contract ... Polars, Kafka, Spark, Java * Docker / Kubernetes / OpenShift / ECS * Financial services or trading ...

Warnerbros

Senior Software Developer

Kanata, ON

We are seeking a Senior Software Engineer with a strong backend focus to design, deliver, and support Java-based, cloud-native services. In this role, you will own complex features end-to-end ...

StackandCo

We need someone comfortable working Fullstack, primarily a Java backend role. We have done a lot of work with this client over the past 1 \- 2 years and have had amazing feedback from the engineers ...

United Airlines

Java Full Stack Developer

Toronto, ON · On-site

Should have 6 to 8+ years of experience in Java back-end technologies like Core Java, Spring ... Should have good understanding of SCM systems like GITHUB and DevOps tools like Jenkins. * Should ...

Carbonhound

Senior Back-end Developer

Toronto, ON · Hybrid

The Role We're looking for a Senior Backend Developer to join our 10-person team to drive profitable climate action in businesses and make a meaningful difference with their work. This is a hybrid ...

Carbonhound

Senior Back-end Developer

Toronto, ON · On-site

CA$120K - CA$140K/yr

The Role We're looking for a Senior Backend Developer to join our 10-person team to drive profitable climate action in businesses and make a meaningful difference with their work. This is a hybrid ...

Capgemini

Java Full-stack Developer

Mississauga, ON · On-site

CA$86K - CA$127K/yr

The candidate must have Java backend development experience with Core Java Java EE Springboot ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

Capgemini

Java Full-stack Developer

Mississauga, ON · On-site

CA$86K - CA$127K/yr

The candidate must have Java backend development experience with Core Java Java EE Springboot ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

Kaseya Careers

Staff Backend Engineer

Toronto, ON · On-site

Staff Backend Engineer (Distributed Systems, SaaS & AI) Why Kaseya? Join a fast-growing company ... Experience building backend services using Go, Java, Python, Node.js/TypeScript, Rust, or similar ...

StackandCo

... a Java backend role but we would love it if you're skilled coding in React. \n \n \n \n \n \n We ... the engineers in the company. \n \n \n \n \n \n Benefits include health insurance (for family ...

StackandCo

... a Java backend role but we would love it if you're skilled coding in React as well. \n \n \n \n \n ... the engineers in the company. \n \n \n \n \n \n Benefits include health insurance (for family ...

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Java Backend Developer information

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How much do java backend developer jobs pay per hour?

As of Jun 18, 2026, the average hourly pay for java backend developer in Ontario is $58.63, according to ZipRecruiter salary data. Most workers in this role earn between $49.04 and $65.62 per hour, depending on experience, location, and employer.

Is Java still in demand in 2026?

Java remains a highly in-demand skill for backend developers in 2026 due to its widespread use in enterprise applications, Android development, and cloud-based systems. Proficiency in Java, along with frameworks like Spring and knowledge of cloud platforms, continues to be valuable for job opportunities in software development.

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

Java Backend Developers working on large-scale enterprise applications often encounter challenges such as ensuring application scalability, managing complex codebases, and optimizing system performance under heavy loads. Collaborating across teams to integrate with front-end services and external APIs can require strong communication and problem-solving skills. Additionally, maintaining high code quality while delivering new features quickly often means balancing technical debt with innovation. Regular code reviews and adopting best practices in software architecture help address these challenges.

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

To thrive as a Java Backend Developer, you need strong proficiency in Java programming, knowledge of data structures and algorithms, and experience with backend frameworks such as Spring or Hibernate, often supported by a degree in computer science or a related field. Familiarity with relational databases (like MySQL or PostgreSQL), RESTful API development, version control systems (such as Git), and build tools (like Maven or Gradle) is typically required, and certifications like Oracle Certified Professional Java Programmer can be advantageous. Excellent problem-solving skills, attention to detail, and effective communication are crucial soft skills for collaborating with teams and troubleshooting complex systems. These capabilities ensure robust, scalable, and maintainable backend solutions that meet business requirements and support seamless application performance.

Will AI replace Java backend developers?

AI is unlikely to fully replace Java backend developers, as their role involves complex problem-solving, system design, and maintaining software infrastructure that requires human expertise. Instead, AI tools can assist developers by automating routine tasks and improving productivity, making their skills in Java, frameworks, and system architecture more valuable. Continuous learning and adapting to new technologies remain essential for Java backend developers to stay relevant in evolving environments.

Are Java backend developers in demand?

Java backend developers are in high demand due to the widespread use of Java in enterprise applications, web services, and cloud-based systems. Skills in frameworks like Spring and experience with cloud platforms increase employability, and the role often requires knowledge of databases and APIs. The demand is expected to remain strong as businesses continue to rely on Java for scalable backend solutions.

How much do Java back end developers make?

Java backend developers' salaries vary based on experience, location, and skill level, but they typically earn between $70,000 and $130,000 annually in many regions. Senior developers with expertise in frameworks like Spring and proficiency in cloud environments can earn higher salaries, especially with certifications and strong problem-solving skills.

What does a Java Backend Developer do?

A Java Backend Developer is responsible for building and maintaining the server-side logic, databases, and APIs of web applications using the Java programming language. They ensure that data is properly stored, retrieved, and processed while integrating with the frontend systems. Java Backend Developers also work on optimizing application performance, implementing security measures, and collaborating with other developers to deliver robust software solutions.
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 Java Backend Developer jobs in Ontario? For Java Backend Developer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Java Backend Developer jobs in Ontario look for? The top searched job categories for Java Backend Developer jobs in Ontario are:
What are popular job titles related to Java Backend Developer jobs in ON? For Java Backend Developer jobs in ON, the most frequently searched job titles are:
Java Backend Developer jobs near you
Infographic showing various Java Backend Developer job openings in Ontario as of June 2026, with employment types broken down into 78% Full Time, 8% Part Time, 2% Temporary, and 12% Contract. Highlights an 76% Physical, 5% Hybrid, and 19% Remote job distribution, with an average salary of $121,954 per year, or $58.6 per hour.

Backend Server Java Engineer

StackandCo

Full-time

Posted 16 days ago

Job description

\n <\/head>\n \n \n
\n My Client, a global fintech company, going through an exciting phase of expansion, has an excellent opportunity for a Backend Server \- Java Developer.<\/span>
\n <\/div>\n
\n
\n <\/div>\n
\n Day To Day's Of a Service Engineer<\/u>
<\/u><\/b>50% of the time will involve developing features.<\/span>
\n <\/div>\n
\n 10% of the time reviewing designs of new features.<\/span>
\n <\/div>\n
\n 30% of the time investigating\/ reproducing\/ resolving bugs.<\/span>
\n <\/div>\n
\n Approx 10% of the time creating tests and helpful documentation.<\/span>
\n <\/div>\n
\n
\n <\/div>\n
\n You must be a <\/span><\/span>flexible engineer<\/i> <\/span>who is not afraid to be involved in product discussions and work with multiple parts of the stack.<\/span>
\n <\/div>\n
\n
\n <\/div>\n
\n What You Will Be Doing<\/u>
<\/b><\/u>\n <\/div>\n
    \n
  • Own the backend stability and feature set roadmap for the Clover Go And Companion App applications; add new features, resolve bugs, and refactor\/ improve code base.
    <\/li>\n
  • Identify technical requirements in product meetings and assist the business team with realistic project planning and feature development; translate product requirements into functional, maintainable, extensible software that is in\-line with company objectives
    <\/li>\n
  • Collaborate with Web and Mobile Engineers to determine the best way to maintain low response times as new features are designed
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  • Implement new Clover applications as needed; take ownership of the new product from development through deployment and production monitoring
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  • Participate in a regular on call rotation
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  • Work with QA to develop test plans\/strategies
    <\/li>\n <\/ul>\n
    \n
    \n <\/div>\n
    \n What You Need To Succeed
    <\/b><\/u>\n <\/div>\n
      \n
    • Strong Java developer, with ability to prioritize assign and execute tasks throughout the entire SDLC.
      <\/li>\n
    • Experience designing and developing using RESTful APIs.
      <\/li>\n
    • Knowledge and experience developing solutions for distributed systems architecture including micro\-services.
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    • Superior problem\-solving skills and debugging capabilities
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    • Familiarity with one or more SQL\/RDBMS systems
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    • Adept at integrating with 3rd party API's and tools.
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    • Flexible and self driven with a collaborative approach to problem solving
      <\/li>\n <\/ul>\n
      \n
      \n <\/div>\n
      \n Ideally You Will Have
      <\/b><\/u>\n <\/div>\n
        \n
      • Experience with a cloud platform: AWS, Google Cloud, etc.
        <\/li>\n
      • Knowledge and experience using ELK stac
        <\/li>\n <\/ul>\n
        \n
        \n <\/div><\/span>
        \n <\/body>\n<\/html>

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