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Backend Engineer Java Jobs in Toronto, ON (NOW HIRING)

Collabera Canada Inc

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Senior Java Engineer (React)

Toronto, ON · On-site

CA$70 - CA$120/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior Java Engineer Type: 6-month contract + opportunity to extend Location: 1 Queen Street East ... Design, develop, and maintain backend services using Java and Spring Boot. * Contribute to ...

Virtusa

Senior Java Developer

Mississauga, ON · On-site

... Senior Java Engineer to design, develop, and maintain scalable, high-performance enterprise applications. The ideal candidate will have deep expertise in Java and modern backend / frontend ...

Virtusa

Senior Java Developer

Mississauga, ON · On-site

... Senior Java Engineer to design, develop, and maintain scalable, high-performance enterprise applications. The ideal candidate will have deep expertise in Java and modern backend / frontend ...

Virtusa

Senior Java Developer

Mississauga, ON

... Senior Java Engineer to design, develop, and maintain scalable, high-performance enterprise applications. The ideal candidate will have deep expertise in Java and modern backend / frontend ...

Priceline

Associate Java Developer

Toronto, ON · Hybrid

CA$85K - CA$100K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Associate Software Engineer - Java This role is eligible for our hybrid work model: Two days in ... We design and develop our back end systems and REST APIs that serve hundreds of millions of ...

Priceline.com LLC

Associate Java Developer

Toronto, ON · Hybrid

CA$85K - CA$100K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Associate Software Engineer - Java This role is eligible for our hybrid work model: Two days in ... We design and develop our back end systems and REST APIs that serve hundreds of millions of ...

Rumble - Career Page

Senior Back-End Developer

Toronto, ON · On-site

CA$135K - CA$154K/yr

Rumble is seeking a Senior Back-End Developer to design, build, and maintain high-performance server-side systems that power a large-scale video platform serving millions of users. This is a senior ...

Atyeti Inc

Sr Java developer

Toronto, ON

A Java Developer designs, develops, tests, and maintains scalable Java-based applications (web ... Build new and enhance existing Java applications, including back-end services, APIs (RESTful), and ...

Scotiabank

Java Developer

Toronto, ON

  • PTO

Commercial Banking Engineering is seeking a skilled Java Developer with extensive experience in ... The ideal candidate will have a strong foundation in both front-end and back-end technologies, with ...

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 ...

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Backend Engineer Java information

What does a backend engineer Java do?

A Backend Engineer Java is responsible for developing and maintaining the server-side logic, databases, and application programming interfaces (APIs) using the Java programming language. They ensure that the backend of web applications or software systems is efficient, secure, and scalable. Their work often involves collaborating with frontend developers, designing system architecture, and optimizing performance to handle large volumes of user requests. Backend Java engineers often use frameworks such as Spring or Hibernate and work with databases like MySQL or PostgreSQL.

What are the key skills and qualifications needed to thrive as a backend engineer Java?

To thrive as a Backend Engineer Java, you need a solid understanding of Java programming, data structures, algorithms, and experience with backend frameworks, typically supported by a relevant degree or industry experience. Familiarity with tools and technologies such as Spring Boot, RESTful APIs, relational databases, and build systems like Maven or Gradle is commonly required. Problem-solving ability, teamwork, and effective communication are crucial soft skills for excelling in collaborative and fast-paced development environments. These combined skills ensure robust, scalable backend systems that meet business needs and integrate smoothly within larger software architectures.

How does a backend engineer Java typically collaborate with frontend developers and other stakeholders in a project?

As a Backend Engineer Java, you will regularly collaborate with frontend developers to ensure seamless integration between server-side logic and user interfaces. This often involves participating in design discussions, clarifying API requirements, and troubleshooting integration issues. You’ll also engage with product managers, QA engineers, and sometimes DevOps teams to align on project goals, timelines, and deployment strategies. Effective communication is key to translating business requirements into reliable backend solutions and maintaining smooth workflows across the team.

What is the difference between Backend Engineer Java vs Backend Developer Java?

AspectBackend Engineer JavaBackend Developer Java
Primary FocusDesigning, developing, and maintaining server-side applications and systemsImplementing and coding backend functionalities based on specifications
ResponsibilitiesSystem architecture, performance optimization, API developmentWriting code, debugging, integrating databases
Skills & CertificationsJava, Spring, REST APIs, SQL, cloud platformsJava, Spring, SQL, version control, testing tools
Work EnvironmentCollaborative teams, project planning, architecture designCode implementation, debugging, feature development

Both roles require Java expertise and similar certifications, but Backend Engineer Java typically involves higher-level system design and architecture responsibilities, while Backend Developer Java focuses more on coding and implementing features. Employers often see these roles as complementary within software development teams.

What are popular job titles related to Backend Engineer Java jobs in Toronto, ON?

For Backend Engineer Java jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Backend Engineer Java jobs in Toronto, ON look for?

The top searched job categories for Backend Engineer Java jobs in Toronto, ON are:

What cities near Toronto, ON are hiring for Backend Engineer Java jobs?

Cities near Toronto, ON with the most Backend Engineer Java job openings:

Backend Engineer Java jobs near you
Infographic showing various Backend Engineer Java job openings in Toronto, ON as of August 2026, with employment types broken down into 93% Full Time, 3% Part Time, and 4% Contract. Highlights an 83% Physical, 8% Hybrid, and 9% Remote job distribution.

Senior Java Engineer (React)

Collabera Canada Inc

Toronto, ON • On-site

CA$70 - CA$120/hr

Contractor

Medical, Dental, Vision, Life, Retirement, PTO

Posted 19 days ago

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Job description

Title: Senior Java Engineer

Type: 6-month contract + opportunity to extend

Location: 1 Queen Street East, Toronto

Work Model: Hybrid (4 days on-site)

Day-to-Day Responsibilities

  • Refactor and decompose a large monolithic application into microservices.
  • Design, develop, and maintain backend services using Java and Spring Boot.
  • Contribute to architecture discussions, service boundaries, and technical design decisions.
  • Develop and deploy cloud-native applications in AWS.
  • Build and enhance React-based UI components
  • Collaborate with developers, business analysts, and Capital Markets stakeholders.
  • Ensure systems are highly performant, secure, resilient, and scalable.
  • Participate in code reviews and engineering best practices.

Must-Have Skills

Backend Development

  • 10+ years of enterprise Java development experience.
  • Advanced Spring Boot expertise.
  • Proven experience building and refactoring microservices architectures.
  • Experience designing and developing distributed, high-performance systems.

Frontend Development

  • Hands-on React development experience.
  • Comfortable contributing to frontend features and UI enhancements

Cloud & DevOps

  • Cloud- AWS experience (preferred)

Capital Markets Experience (if they don't have capital markets, should at least come from financial services/ retail banking).

  • Public Markets experience.
  • FX experience.
  • Equities experience.
  • Derivatives experience.
  • Understanding of front-office trading workflows.

Soft Skills

  • Strong analytical and problem-solving abilities.
  • Ability to work independently in a fast-paced engineering environment.
  • Strong communication and collaboration skills.

Nice-to-Haves

  • Experience with portfolio management or trading platforms.
  • AWS cloud-native services experience.
  • Mockito and automated testing frameworks.
  • Exposure to AI/ML concepts.
  • Experience working in highly regulated financial environments.