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Freelance Java Spring Developer Jobs in Toronto, ON

Java Developer

Burlington, ON · On-site

CA$89K - CA$123K/yr

Java, Spring Framework & Spring Boot, Spring Security & OAuth 2.0, Hibernate / JPA, Maven. * Core Backend & FullStack Skills. * Practical experience developing UI components using Angular.

Java Developer

Burlington, ON · On-site

CA$89K - CA$123K/yr

Java, Spring Framework & Spring Boot, Spring Security & OAuth 2.0, Hibernate / JPA, Maven. * Core Backend & FullStack Skills. * Practical experience developing UI components using Angular.

Job Summary We are seeking a skilled Java Spring Boot Developer to design, develop, and maintain scalable backend applications and microservices. The ideal candidate should have strong expertise in ...

We are seeking a talented Java Developer with expertise in Spring, Spring Boot, REST APIs, SOAP services and JEE technologies. The ideal candidate will be responsible for designing, developing, and ...

Java Full Stack (Spring boot, Node JS, Core Java, Spring, Angular 16, REST Web Services, SOAP ... Should have good understanding of SCM systems like GITHUB and DevOps tools like Jenkins. * Should ...

Java Backend Developer

Toronto, ON · Hybrid

CA$50 - CA$57/hr

Java Backend Developer Location: Toronto, ON (Hybrid - 4 days/week onsite) Duration: 1-Year ... Strong expertise in Java, Spring Boot, REST APIs, and microservices architecture * Hands-on ...

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 ...

This long-term staff augmentation role requires strong expertise in Java and Spring Boot. You will collaborate with other developers, business analysts, and project managers to deliver high-quality ...

JD Camunda Developer with 5 years of experience in business process automation contributing to the ... Java development BPMN 20 DMN and be proficient in Camunda Platform Spring Boot and REST APIs ...

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Freelance Java Spring Developer information

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 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, and why are they important?

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 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:
Java Developer

Java Developer

TransUnion

Burlington, ON • On-site

CA$89K - CA$123K/yr

Full-time

Posted 23 hours ago


TransUnion rating

9.3

Company rating: 9.3 out of 10

Based on 6 frontline employees who took The Breakroom Quiz


Job description

TransUnion's Job Applicant Privacy Notice

What We'll Bring:

At TransUnion, we are dedicated to finding ways information can be used to help people make better and smarter decisions. As a trusted provider of global information solutions, our mission is to help people around the world access the opportunities that lead to a higher quality of life, by helping organizations optimize their risk-based decisions and enabling consumers to understand and manage their personal information. Because when people have access to more complete and multidimensional information, they can make more informed decisions and achieve great things.
Every day TransUnion offers our employees the tools and resources they need to find ways information can be used in diverse ways. Whether it is helping businesses better manage risk, providing better insights so a consumer can qualify for his first mortgage or working with law enforcement to make neighborhoods safer, we are improving the quality of life for individuals, families, communities and local economies around the world.

What You'll Bring:

  • 3-5+ years of professional full stack or backend development experience, including hands on experience with Java, Spring Boot, and Angular.
  • Strong experience with: Java, Spring Framework & Spring Boot, Spring Security & OAuth 2.0, Hibernate / JPA, Maven.
  • Core Backend & FullStack Skills.
  • Practical experience developing UI components using Angular.
  • Experience consuming REST APIs from Angular applications.
  • Databases & Messaging.
  • Experience working with PostgreSQL.
  • Handson experience with ActiveMQ or similar messaging systems.
  • Testing, Quality & Security
  • Unit testing using JUnit 5/6 and Mockito.
  • Experience with static code analysis and security scanning tools: Sonar, Checkmarx (or Fortify / Black Duck).
  • DevOps & Environment.
  • Experience working in Linux environments
  • Basic to intermediate shell scripting.
  • Working knowledge of Jenkins for CI/CD.
  • Proficient with Git or similar version control systems.

Impact You'll Make:

We are seeking a Java Developer with strong backend expertise and working knowledge of frontend development using Angular. The ideal candidate will contribute to the design, development, testing, and maintenance of secure, scalable enterprise applications, working across both backend services and userfacing components.

You will collaborate with crossfunctional teams including backend, frontend, QA, and DevOps to deliver highquality, reliable solutions.

Key Responsibilities:

  • Design, develop, and maintain backend services using Java and Spring Boot.
  • Develop and maintain frontend components using Angular.
  • Build and integrate RESTful APIs between Java backend services and Angular frontend.
  • Implement authentication and authorization using Spring Security and OAuth 2.0.
  • Develop data persistence layers using Hibernate/JPA with PostgreSQL.
  • Implement asynchronous messaging and integration using ActiveMQ.
  • Write clean, maintainable, and testable code following best practices.
  • Develop unit tests using JUnit 5/6 and Mockito.
  • Ensure code quality and security compliance using Sonar and Checkmarx (or Fortify / Black Duck).
  • Participate in code reviews and collaborative design discussions.
  • Work in Linux environments, including basic shell scripting tasks.
  • Use Jenkins for CI/CD pipelines and participate in deployment activities.
  • Manage source code using Git or other version control systems.
  • Troubleshoot, debug, and resolve application and production issues.

The expected pay range for this position is $89,000 - $123,000 annually. The payinformation provided for this position reflects a reasonable estimate of the range of expectedcompensation for this job. At TransUnion, actual compensation is based on careful consideration ofmany factors such as (but not limited to) an individual's education, training, work experience, job related skill set, location, and industry knowledge, as well as the scope and responsibilities of theposition and market considerations. In addition, variable compensation is based on applicable companyguidance and plan documents as well as performance.

This is a hybrid position and involves regular performance of job responsibilities virtually as well as in-person at an assigned TU office location for a minimum of two days a week.

This job posting is for an existing vacancy. The opening is the result of a newly created position.

Accommodation is available, including for applicants with disabilities, in accordance with applicable laws.

TransUnion's Internal Job Title:

Consultant, Applications Development