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Freelance Java Spring Developer Jobs in Toronto, ON

United Airlines

Senior JAVA Developer

Toronto, ON

Strong experience in Java ecosystem (Java 8+, Spring Boot, Spring Cloud). * Expertise in Big Data ... Familiarity with DevOps tools (CI/CD pipelines, Jenkins, Git, Terraform). * Experience with API ...

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 ...

Capco

Staff Java Engineer (Backend)

Toronto, ON · On-site

What You'll Do * Design and build scalable backend applications using Java, Spring Boot ... developer productivity and software quality. Bonus Points For * Experience with domain-driven ...

Citi

Senior Java Developer - Vice President

Mississauga, ON · On-site

CA$120K - CA$170K/yr

The ideal candidate will be a hands-on developer with leadership quality, proficient in modern Java ... Write clean, secure, and highly performant Java code using Spring Boot and related frameworks ...

New

Atyeti Inc

Sr Java developer

Toronto, ON

Strong Java programming skills, often with experience in frameworks (Spring). * Familiarity with databases (SQL/NoSQL), APIs, and version control (Git). * Understanding of full development lifecycle ...

Virtusa

Senior Java Developer

Mississauga, ON · On-site

We are seeking a highly skilled Senior Java Engineer to design, develop, and maintain scalable ... Spring / Spring Boot Solid understanding of object-oriented design, design patterns, and SOLID ...

Virtusa

Senior Java Developer

Mississauga, ON

We are seeking a highly skilled Senior Java Engineer to design, develop, and maintain scalable ... Spring / Spring Boot Solid understanding of object-oriented design, design patterns, and SOLID ...

Virtusa

Senior Java Developer

Mississauga, ON · On-site

We are seeking a highly skilled Senior Java Engineer to design, develop, and maintain scalable ... Spring / Spring Boot Solid understanding of object-oriented design, design patterns, and SOLID ...

Konrad

Java Developer

Toronto, ON · Hybrid

CA$90K - CA$125K/yr

About The Role As a Full Stack Java Developer you'll be tasked with working on web application development in Java and Spring Boot. Working within the software development team, your duties will ...

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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 August 2026, with employment types broken down into 58% Full Time, and 42% Contract. Highlights an 75% In-person, 13% Hybrid, and 12% Remote job distribution.

Java Full Stack Developer (Angular)

Sapsol Technologies Inc

Mississauga, ON • On-site

Full-time

Re-posted 20 days ago

Job description

Job Summary

We are seeking a highly skilled Java Full Stack Developer with strong expertise in Angular (latest versions) and backend development using Java, Spring Boot, and Microservices architecture. The ideal candidate will be responsible for designing, developing, and integrating scalable frontend and backend applications, ensuring seamless user experience and robust system performance.

Key Responsibilities
  • Design and develop scalable web applications using Angular (latest versions) for frontend
  • Build and maintain backend services using Java, Spring Boot, and Microservices
  • Develop and integrate RESTful APIs between frontend and backend systems
  • Ensure seamless frontend-backend integration and data flow
  • Collaborate with cross-functional teams including UI/UX, DevOps, and QA
  • Optimize applications for performance, scalability, and security
  • Participate in code reviews, testing, and deployment processes
  • Troubleshoot and resolve technical issues across the full stack
  • Follow Agile/Scrum methodologies for project delivery
Required Skills
  • Strong experience in Core Java
  • Hands-on expertise in Spring Boot
  • Experience with Microservices architecture
  • Proficiency in Angular (latest versions preferred)
  • Solid understanding of frontend-backend integration
  • Experience in building and consuming RESTful APIs
  • Strong knowledge of HTML5, CSS3, TypeScript, and JavaScript
  • Familiarity with SQL databases (MySQL, PostgreSQL)
Preferred Skills (Nice to Have)
  • Experience with cloud platforms (AWS/Azure)
  • Knowledge of Docker, Kubernetes
  • Familiarity with CI/CD tools (Jenkins, GitHub Actions)
  • Understanding of authentication/authorization (JWT, OAuth)
  • Exposure to state management (NgRx/Redux)
Education
  • Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience)

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