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Freelance Java Spring Developer Jobs in Toronto, ON

Veracity Ventures Inc.

Java Developer 1016

Toronto, ON · On-site

Java Developer - 5+ Years Location: Canada Experience: 5+ Years Job Type: Full-Time /C2C Work Model ... Current Canadian Java roles commonly emphasize Java/Spring Boot, microservices, REST APIs, SQL ...

Citi

Senior Java Developer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

... developer experience ... Responsibilities Design and develop web-based applications, cloud services in Angular/Java/Spring ...

Citi

Lead Java Developer

Mississauga, ON · On-site

CA$120K - CA$170K/yr

We are looking for a Java Engineer to design, build, and support modern web APIs ... This role focuses on back-end services (Java/Spring Boot), with API-first, microservices-based ...

Citi

Senior Java Developer

Mississauga, ON

CA$94K - CA$141K/yr

We are seeking a highly motivated and experienced Senior Java Developer to join our dynamic team ... Design and develop web-based applications, cloud services in Angular/Java/Spring/OpenShift stack

Citi

Java Developer - Officer

Mississauga, ON · On-site

CA$79K - CA$110K/yr

The overall objective of this role is to participated in developing applications, systems analysis, architecture, and programming activities, using Java, Spring Boot, and MongoDB in a cloud-native ...

Citi

Senior Java Developer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

The ideal candidate will possess deep expertise in Java/J2EE and Spring Boot. This role demands a ... You will lead a team of junior developers, providing technical guidance, mentorship, and fostering ...

Citi

Senior Java Full Stack Developer

Mississauga, ON · On-site

Utilize mature programming methodologies and languages, including Java Spring Boot and React.js, to deliver and maintain high-quality software solutions Design, develop, test, and deploy end-to-end ...

Citi

Lead Java Developer - Vice President

Mississauga, ON · On-site

CA$120K - CA$170K/yr

We are seeking a highly motivated and experienced Lead Java Developer to join our dynamic team ... Design and develop web-based applications, cloud services in Angular/Java/Spring/OpenShift stack

Citi

Lead Java Developer - Vice President

Mississauga, ON · On-site

CA$120K - CA$170K/yr

Design and develop web-based applications, cloud services in Angular/Java/Spring/OpenShift stack ... Programming concepts (RxJs), TypeScript, SCSS and HTML5 Experience in debugging, tuning and ...

Citi

Lead Java Developer - Vice President

Mississauga, ON · On-site

CA$120K - CA$170K/yr

Design and develop web-based applications, cloud services in Angular/Java/Spring/OpenShift stack ... Programming concepts (RxJs), TypeScript, SCSS and HTML5 Experience in debugging, tuning and ...

Td

Software Engineer II (Java/Spring)

Toronto, ON · On-site

CA$81K - CA$115K/yr

... , Java, RESTful APIs, Spring, Spring boot and Angular. * 5+ years' experience with databases such ... DevOps practices Other qualifications / Skill * Strong verbal, written, presentation ...

Td

Software Engineer II (Java/Spring)

Toronto, ON · On-site

CA$81K - CA$115K/yr

... , Java, RESTful APIs, Spring, Spring boot and Angular. * 5+ years' experience with databases such ... DevOps practices Other qualifications / Skill * Strong verbal, written, presentation ...

Synechron

Sr. Core Java Developer

Toronto, ON · Hybrid

CA$120K - CA$140K/yr

Our challenge We are seeking a highly experienced and hands-on Java Developer with a strong background in Core Java, Spring Framework, and low-latency multi-threaded programming to join our dynamic ...

Td

Java Developer, TD Securities

Toronto, ON · On-site

CA$102K - CA$125K/yr

About the Team/ Role: Developer: Regulatory Reporting Initiatives TD Securities Regulatory ... Java, Spring/Spring boot, Drools * XML, XSLT, JSON, FIX * Solace, TIBCO BusinessWorks, TIBCO ...

Citi

Lead Java Full Stack Developer

Mississauga, ON · On-site

CA$120K - CA$170K/yr

Lead Java Developer Role Summary: We are looking for a Java Full-Stack Engineer to design, build ... Build scalable, secure microservices using Java and Spring Boot. Develop responsive user interfaces ...

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Freelance Java Spring Developer information

What is a freelance Java Spring developer?

A Freelance Java Spring Developer is a self-employed software professional who specializes in building, maintaining, and optimizing applications using the Java programming language and the Spring framework. These developers work on a contract or project basis for various clients, rather than as full-time employees for a single company. Their responsibilities often include designing backend systems, integrating APIs, and ensuring applications are scalable and secure. Freelance Java Spring Developers typically manage their own schedules and may work remotely for clients around the world.

What are the key skills and qualifications needed to thrive as a freelance Java Spring developer?

To thrive as a Freelance Java Spring Developer, you need a solid understanding of Java programming, Spring Framework (including Spring Boot), and experience with RESTful APIs, typically supported by a degree in computer science or relevant certifications. Familiarity with tools like Maven, Git, Docker, and cloud platforms such as AWS or Azure is often required. Strong problem-solving, time management, and client communication skills help you stand out in this role. These competencies ensure you can deliver robust solutions efficiently while managing multiple clients and projects in a dynamic freelance environment.

What are the most common challenges faced by freelance Java Spring developers when working with multiple clients simultaneously?

Freelance Java Spring Developers often juggle projects for multiple clients, which can pose challenges such as managing shifting priorities, aligning with different coding standards, and keeping up with varied communication styles. Successfully navigating these requires strong organizational skills, clear project documentation, and proactive communication to set expectations. Additionally, freelancers must stay updated with the latest Spring framework updates to deliver high-quality, maintainable solutions across diverse client environments.

What is the difference between Freelance Java Spring Developer vs Java Backend Developer?

AspectFreelance Java Spring DeveloperJava Backend Developer
CredentialsOften requires Java certifications, Spring certifications, and relevant experienceTypically requires a Java degree or equivalent experience, with or without certifications
Work EnvironmentIndependent, project-based, remote or on-site freelance workFull-time employment in a company or organization, often in an office setting
Employer & Industry UsageClients across various industries hiring for specific projectsEmployers in tech, finance, e-commerce, and other sectors with ongoing backend needs
Search & Comparison IntentLooking for freelance opportunities or contract work in Java Spring developmentSeeking full-time or permanent backend development roles in Java

In summary, Freelance Java Spring Developers typically work independently on short-term projects, requiring specific certifications and flexible work environments. Java Backend Developers usually hold full-time roles within organizations, focusing on ongoing backend system development.

What are the most commonly searched types of Java Spring Developer jobs in Toronto, ON?

The most popular types of Java Spring Developer jobs in Toronto, ON are:

What are popular job titles related to Freelance Java Spring Developer jobs in Toronto, ON?

For Freelance Java Spring Developer jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Freelance Java Spring Developer jobs in Toronto, ON look for?

The top searched job categories for Freelance Java Spring Developer jobs in Toronto, ON are:

Freelance Java Spring Developer jobs near you
Infographic showing various Freelance Java Spring Developer job openings in Toronto, ON as of September 2026, with employment types broken down into 45% Full Time, and 55% Contract. Highlights an 100% In-person job distribution.

Java Developer 1016

Toronto, ON • On-site

Veracity Ventures Inc.
See more jobs at Veracity Ventures Inc.external

Full-time

Posted 19 days ago

Key responsibilities

  • Design, develop, test, and maintain Java-based applications.

  • Develop scalable RESTful APIs and microservices using Spring Boot.

  • Support application deployment and production issues.

Job description

Java Developer – 5+ YearsLocation: Canada
Experience: 5+ Years
Job Type: Full-Time /C2C
Work Model: Remote / Hybrid / On-site
Job Summary

We are looking for an experienced Java Developer with 5+ years of hands-on experience in designing, developing, and maintaining scalable enterprise applications. The ideal candidate should have strong expertise in Core Java, Spring Boot, Microservices, REST APIs, SQL, and cloud technologies.
Current Canadian Java roles commonly emphasize Java/Spring Boot, microservices, REST APIs, SQL/NoSQL, Git/CI/CD, Agile, and cloud/container technologies.
Key Responsibilities
  • Design, develop, test, and maintain Java-based applications.
  • Develop scalable RESTful APIs and microservices using Spring Boot.
  • Work with business and technical teams to understand requirements and deliver solutions.
  • Write clean, maintainable, and efficient code.
  • Design and optimize database queries and data access layers.
  • Perform unit testing, integration testing, debugging, and troubleshooting.
  • Participate in code reviews and technical discussions.
  • Develop and maintain CI/CD pipelines.
  • Support application deployment and production issues.
  • Follow Agile/Scrum development methodologies.
  • Collaborate with QA, DevOps, Product, and other development teams.
Required Skills
  • 5+ years of professional Java development experience

  • Strong knowledge of Core Java / Java 8+

  • Strong experience with Spring Framework and Spring Boot

  • Hands-on experience with Microservices Architecture

  • Strong knowledge of REST APIs

  • Experience with Spring MVC, Spring Data JPA, Hibernate

  • Good knowledge of SQL databases such as MySQL, PostgreSQL, or Oracle
  • Experience with Git

  • Experience with CI/CD tools such as Jenkins, GitLab, Azure DevOps, or similar
  • Good understanding of Object-Oriented Programming and Design Patterns

  • Experience working in Agile/Scrum environments

  • Strong problem-solving and debugging skills
Preferred Skills
  • AWS, Azure, or Google Cloud
  • Docker and Kubernetes
  • Kafka or other messaging technologies
  • NoSQL databases such as MongoDB
  • Spring Security, OAuth2, and JWT
  • JUnit / Mockito
  • Swagger / OpenAPI
  • Experience with production support and monitoring
  • Knowledge of cloud-native application development
Education
  • Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field is preferred.
  • Equivalent professional experience may also be considered.
Candidate Requirements
  • Must have 5+ years of relevant Java development experience.
  • Must be currently eligible to work in Canada.
  • Strong communication and interpersonal skills.
  • Ability to work independently as well as in a team environment.
  • Willingness to work in remote or hybrid environments, depending on the client requirement.
Keywords: Java Developer, Core Java, Java 8/11/17, Spring Boot, Spring, Microservices, REST API, Hibernate, JPA, SQL, MongoDB, AWS, Azure, Docker, Kubernetes, Kafka, Git, Jenkins, CI/CD, Agile, JUnit.