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Freelance Full Stack Java Developer Jobs in Toronto, ON

Royal Bank of Canada

Full Stack Developer

Toronto, ON · On-site

Build secure and scalable back-end systems using server-side languages (e.g., Python, Java ... Minimum 3+ years of experience as a Full Stack Developer with strong understanding of front-end and ...

Capgemini

Java Full-stack Developer

Mississauga, ON · On-site

CA$86K - CA$127K/yr

* The Senior Engineer in Production Management will be responsible for the development and overall ... The candidate must have Java backend development experience with Core Java Java EE Springboot ...

Capgemini

Java Full-stack Developer

Mississauga, ON · On-site

CA$86K - CA$127K/yr

* The Senior Engineer in Production Management will be responsible for the development and overall ... The candidate must have Java backend development experience with Core Java Java EE Springboot ...

Transunion

Java Developer

Burlington, ON

CA$89K - CA$123K/yr

What You'll Bring: * 3-5+ years of professional full stack or backend development experience ... We are seeking a Java Developer with strong backend expertise and working knowledge of frontend ...

TransUnion

Java Developer

Burlington, ON · On-site

CA$89K - CA$123K/yr

What You'll Bring: * 3-5+ years of professional full stack or backend development experience ... We are seeking a Java Developer with strong backend expertise and working knowledge of frontend ...

Tangentia

Senior Full stack Engineer

Toronto, ON · Hybrid

Deep expertise in either Angular (Frontend) or Node.js/Java (Backend) . Secondary Skill * Basic to ... Strong understanding of REST APIs, OpenAPI specifications, and software design patterns . DevOps * ...

Accenture

AI Full Stack Developer

Toronto, ON

CA$114K - CA$171K/yr

We are seeking a talented senior full stack developers or team leads to join our Canadian Apps and ... Solid experience creating APIs with Python, .NET Core, Node.js, or Java. * Hands-on experience ...

Virtusa

Java Developer

Mississauga, ON · On-site

... Developer with strong hands-on experience in developing server-side components in Java. Candidate ... The work will include strategic state-of-the-art solutions using new stack development using Agile ...

Konrad

Full Stack Developer

Toronto, ON · Hybrid

CA$90K - CA$120K/yr

About The Role As a Full Stack Developer you'll be tasked with working on one of our web ... NET, Java Spring, or Node.js experience is an asset * Great interpersonal skills - we work very ...

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All JobsFull Stack Java Developer JobsFreelance Full Stack Java Developer JobsFreelance Full Stack Java Developer Jobs in Toronto, ON

Freelance Full Stack Java Developer information

What are the most common challenges faced by freelance full stack Java developers when managing multiple client projects simultaneously?

Freelance full stack Java developers often juggle several client projects at once, which can pose challenges in terms of time management, communication, and prioritization. Balancing diverse client expectations, aligning project timelines, and handling unexpected technical issues require strong organizational skills and proactive communication. Many freelancers use project management tools and set clear milestones with clients to stay on track. Additionally, it's important to regularly update clients on progress and clarify requirements early to prevent scope creep and last-minute changes.

What is the difference between Freelance Full Stack Java Developer vs Freelance Front End Developer?

AspectFreelance Full Stack Java DeveloperFreelance Front End Developer
Skills & CertificationsJava, Spring, REST APIs, JavaScript, HTML, CSSHTML, CSS, JavaScript, frameworks like React or Angular
Work EnvironmentBackend and frontend development, full project lifecyclePrimarily UI/UX design, client-side coding
Industry UsageEnterprise applications, web services, backend systemsWebsite interfaces, mobile app frontends

Freelance Full Stack Java Developers handle both backend and frontend tasks using Java and related technologies, while Freelance Front End Developers focus mainly on user interface design and client-side coding. Both roles are in demand, but the full stack developer offers a broader skill set suitable for end-to-end project delivery.

What are the key skills and qualifications needed to thrive as a Freelance Full Stack Java Developer, and why are they important?

To thrive as a Freelance Full Stack Java Developer, you need expertise in Java programming, front-end technologies (such as HTML, CSS, JavaScript), and back-end frameworks, often supported by a relevant degree or proven experience. Familiarity with tools like Spring Boot, REST APIs, databases (SQL/NoSQL), version control systems (e.g., Git), and cloud platforms is typically required. Strong problem-solving skills, effective communication, and self-motivation set top freelancers apart by enabling them to manage projects independently and collaborate with clients. These skills ensure the delivery of robust, scalable applications and client satisfaction in a competitive freelance market.

What is a Freelance Full Stack Java Developer?

A Freelance Full Stack Java Developer is an independent professional who specializes in both front-end and back-end development using Java technologies. They handle the complete software development process, including designing user interfaces, building server-side logic, and managing databases. Freelancers in this role often work on a contract basis for multiple clients, providing flexibility and a variety of projects. Their expertise typically includes frameworks like Spring Boot, JavaScript libraries, RESTful APIs, and cloud services.
What are the most commonly searched types of Full Stack Java Developer jobs in Toronto, ON? The most popular types of Full Stack Java Developer jobs in Toronto, ON are:
What are popular job titles related to Freelance Full Stack Java Developer jobs in Toronto, ON? For Freelance Full Stack Java Developer jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Freelance Full Stack Java Developer jobs in Toronto, ON look for? The top searched job categories for Freelance Full Stack Java Developer jobs in Toronto, ON are:
Freelance Full Stack Java Developer jobs near you
Infographic showing various Freelance Full Stack Java Developer job openings in Toronto, ON as of July 2026, with employment types broken down into 71% Full Time, 19% Part Time, 1% Temporary, and 9% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution.

Java Full Stack Lead

United States Digital Space LLC

Toronto, ON • On-site

$82.60 - $132.60/hr

Other

Posted 3 days ago

New

Job description

ARE YOU READY to step up and take your technology expertise to the next level?

There is never a typical day at the company, but that’s why we love it here! This is an extraordinary chance to begin a rewarding career at the company Technology. Immersed in a digitally compassionate and innovation-led environment, here is where you can help top clients shift to the New using leading-edge technologies on the most ground-breaking projects imaginable.

Cloud First - Software Engineering is a high performing team to join!

We focus on client adoption of disruptive technologies, technology architecture and providing specialized skills related to integration, custom software engineering, testing, application modernization, agile and more. We help our clients with the most complex projects including working in open web platforms, DevOps platforms as well as intelligent Computing and Architecture enhancement.

Responsibilities
  • Design and build backend microservices using Java (latest versions) and Quarkus, optimized for performance and containerized environments
  • Develop and maintain a modern Angular single-page application, following best practices for performance and scalability
  • Create and manage cloud infrastructure using AWS CDK (TypeScript/Python), including services like ECS, API Gateway, RDS (PostgreSQL), S3, and EventBridge
  • Build and maintain CI/CD pipelines using GitHub Actions to automate build, test, security scan, and deployment processes
  • Implement secure coding practices and automated security checks, including code scanning, dependency scanning, and vulnerability remediation
  • Design and implement event-driven architectures, ensuring reliability, error handling, and retry mechanisms
  • Manage application configurations and backend services in enterprise environments
  • Leverage AI-assisted development tools/frameworks to improve productivity and code quality
  • Manage and optimize data layer (PostgreSQL) including schema design, migrations, and performance tuning
  • Improve system observability and reliability using monitoring tools, logging frameworks, and performance tracking
  • Collaborate with cross-functional teams (product, QA, security) to deliver features and ensure compliance
  • Support service quality assessments and drive continuous improvement initiatives
  • Identify opportunities to optimize system capacity and resource utilization across infrastructure and applications
  • Communicate effectively with stakeholders to manage expectations, risks, and project outcomes
  • Act as a subject matter expert, guiding team members and contributing to key technical decisions
Basic Qualifications
  • Bachelor’s degree or college diploma required for the role
  • Over 8 years of experience in Java development and microservices architecture
  • Hands‑on experience with modern front‑end frameworks (Angular preferred)
  • Experience with AWS cloud services and infrastructure‑as‑code (e.g., CDK, Terraform)
  • Proven experience building and managing CI/CD pipelines (e.g., GitHub Actions or similar tools)
  • Understanding of DevOps practices, containerization (Docker), and deployment strategies
  • Experience with relational databases, especially PostgreSQL
  • Familiarity with secure coding practices and application security tooling
  • Experience working in Agile teams with cross‑functional collaboration
  • Strong problem‑solving skills and ability to work in a fast‑paced environment

Compensation at the company varies depending on a wide array of factors, which may include but are not limited to the specific office location, role, skill set, and level of experience. As required by local law, the company provides a reasonable range of compensation, based on full‑time employment, for roles that may be hired as set forth below.

The base pay range shown below is intended as a guideline to reflect the majority of offers for this role. It does not represent a maximum limit – in some cases, actual compensation may exceed the range where appropriate.

Role Location & Annual Salary Range

British Columbia/Ontario $82,600 to $132,600

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