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Freelance Java Spring Developer Jobs in Toronto, ON

Jay Analytix

Lead Fullstack Java Developer

Toronto, ON · On-site

Build scalable backend services using Java, Spring Boot, and microservices architecture * Develop ... Support CI/CD processes and DevOps practices Required Skills: * Strong experience in Java, Spring ...

Jay Analytix

Lead Fullstack Java Developer

Toronto, ON · On-site

Build scalable backend services using Java, Spring Boot, and microservices architecture * Develop ... Support CI/CD processes and DevOps practices Required Skills: * Strong experience in Java, Spring ...

TransUnion

Java Developer

Burlington, ON

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.

Transunion

Java Developer

Burlington, ON

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.

United Airlines

FullStack Java Developer

Mississauga, ON

CA$80K - CA$95.65K/yr

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 ...

Scotiabank

Java Developer

Toronto, ON

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 ...

Deloitte

Senior Java Developer - Operate

Toronto, ON

CA$72K - CA$138K/yr

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 ...

hireVouch

Java Tech Lead

Vaughan, ON · On-site

... Engineering, or a related field. Minimum of 7 years of experience in Java development, with at least 3 years in a leadership role. Strong proficiency in Java and Spring Boot. Extensive experience ...

KeyData Cyber

Java Developer (Contract)

Toronto, ON · Remote

CA$40 - CA$48/hr

... Developer to join KeyData Cyber's Delivery Services team. This role is focused on designing ... The ideal candidate will have strong expertise in Java, Spring Boot architecture, SCIM protocol ...

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Freelance Java Spring Developer information

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 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 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 May 2026, with employment types broken down into 58% Full Time, and 42% Contract. Highlights an 100% In-person job distribution.

Lead Fullstack Java Developer

Jay Analytix

Toronto, ON • On-site

Contractor

Posted 6 days ago

Job description

We are looking for a Lead Full Stack Java Developer to design, develop, and lead delivery of enterprise-grade web applications. The role involves hands-on development along with technical leadership, guiding a team, and ensuring high-quality, scalable solutions in a banking/financial services environment.

Key Responsibilities:
  • Lead the design and development of full-stack applications using Java-based technologies
  • Build scalable backend services using Java, Spring Boot, and microservices architecture
  • Develop responsive front-end applications using modern frameworks (Angular/React)
  • Provide technical leadership, code reviews, and mentoring to development teams
  • Collaborate with architects, product owners, and stakeholders to define solutions
  • Ensure application performance, security, and scalability standards are met
  • Integrate REST APIs, third-party services, and enterprise systems
  • Participate in architecture discussions and system design decisions
  • Support CI/CD processes and DevOps practices
Required Skills:
  • Strong experience in Java, Spring Boot, and microservices
  • Experience with front-end frameworks (React or Angular)
  • Good understanding of REST APIs and distributed systems
  • Experience with databases (SQL/NoSQL)
  • Strong knowledge of software design principles and architecture
  • Experience with Git, CI/CD pipelines, and Agile development
Preferred:
  • Banking or financial services domain experience
  • Cloud experience (AWS, Azure, or GCP)
  • Experience leading development teams or projects
  • Knowledge of containerization (Docker, Kubernetes)
Employment Type: CONTRACTOR

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