ZipRecruiter

Log In

1

Freelance Java Back End Developer Jobs in Toronto, ON

Citi

Java Backend Developer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

The Java Backend Developer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination ...

United Airlines

Java Backend Developer

Toronto, ON

The Opportunity: We're looking for an experienced Java Backend Developer to join our dynamic team. You'll play a crucial role in delivering innovative integration solutions for our Commercial Banking ...

United Airlines

Java Back end Developer

Toronto, ON · On-site

Architect and build scalable backend services and modern frontend applications. * Champion AI/LLM ... Lead code reviews, establish engineering standards, and mentor junior engineers. * Participate in ...

Localcoin

Senior Java Developer

Etobicoke, ON · Hybrid

CA$120K - CA$140K/yr

As a Senior Java Back-End Developer at Localcoin, you will be responsible for developing and maintaining functional and stable back end applications for our company, ensuring system consistency and ...

Sapsol Technologies Inc

Java Backend

Mississauga, ON · On-site

Qualifications: 1. Java Expertise: Has at least 9+ years of hands-on Java development experience ... This level of database knowledge is crucial for data-heavy applications and backend services. 4. ...

PPT

Senior Back-End Developer

Toronto, ON · Remote

NET Backend Developer to join our backend team. In this role, you will be responsible for designing, developing, and maintaining robust and scalable backend systems using .NET technologies . The ...

Rumble - Career Page

Senior Back-End Developer

Toronto, ON · On-site

CA$135K - CA$154K/yr

Rumble is seeking a Senior Back-End Developer to design, build, and maintain high-performance server-side systems that power a large-scale video platform serving millions of users. This is a senior ...

ShyftLabs

Senior Backend Developer

Toronto, ON · Hybrid

CA$100K - CA$140K/yr

The ideal candidate combines strong backend and frontend engineering skills with experience in distributed systems, integrations, and scalable architectures . JavaScript, TypeScript, Node.js, and ...

next page

Showing results 1-20

All JobsJava Back End Developer JobsFreelance Java Back End Developer JobsFreelance Java Back End Developer Jobs in Toronto, ON

Freelance Java Back End Developer information

What does a freelance Java back end developer do?

A Freelance Java Back End Developer is a software professional who specializes in building and maintaining the server-side logic of web applications using the Java programming language. They work independently on a contract basis for various clients, handling tasks such as developing APIs, managing databases, and ensuring the performance and security of the application’s back end. Their responsibilities often include collaborating with front-end developers, integrating third-party services, and troubleshooting server-side issues. Freelancers in this role can work remotely or onsite, offering flexibility to both clients and developers.

What are the key skills and qualifications needed to thrive as a freelance Java back end developer, and why are they important?

To thrive as a Freelance Java Back End Developer, you need strong proficiency in Java, object-oriented programming, RESTful API design, and experience with frameworks like Spring or Hibernate, typically supported by a relevant degree or proven project portfolio. Familiarity with version control systems (such as Git), build tools (like Maven or Gradle), cloud platforms, and continuous integration/continuous deployment (CI/CD) pipelines is highly valued. Outstanding problem-solving abilities, self-motivation, and effective client communication set top freelancers apart. These skills ensure you can deliver robust, maintainable solutions independently and build lasting client relationships.

What are some common challenges faced by freelance Java back end developers when working with multiple clients simultaneously?

Freelance Java Back End Developers often juggle several projects at once, which can present challenges in time management, prioritizing tasks, and aligning with different client expectations. Each client may use distinct tech stacks, communication tools, and development processes, requiring adaptability and strong organizational skills. Clear communication, setting realistic deadlines, and using project management tools can help freelancers maintain quality and meet deliverables across diverse projects.

What is the difference between Freelance Java Back End Developer vs Freelance Java Software Engineer?

AspectFreelance Java Back End DeveloperFreelance Java Software Engineer
CredentialsJava certifications, experience in backend frameworksJava certifications, broader software development skills
Work EnvironmentRemote, project-based, client-specificRemote or on-site, project or product-focused
Industry UsagePrimarily in backend development projectsInvolved in full software development lifecycle
Search & Comparison IntentFocus on backend Java skillsBroader software development expertise

While both roles involve Java skills, a Freelance Java Back End Developer specializes in server-side development, focusing on backend systems. A Freelance Java Software Engineer may have a broader scope, including full-stack or application development, often requiring additional skills beyond backend work.

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

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

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

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

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

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

Freelance Java Back End Developer jobs near you
Infographic showing various Freelance Java Back End Developer job openings in Toronto, ON as of September 2026, with employment types broken down into 39% Full Time, and 61% Contract. Highlights an 72% In-person, and 28% Remote job distribution.

Java Backend Developer 1015

Toronto, ON • Remote

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

Full-time

Posted 17 days ago

Job description

Java Backend Developer – Banking Domain only
Location: Canada – Fully Remote
Experience: 3–9 Years
Employment Type: Full-Time
Position Overview
We are seeking an experienced Java Backend Developer with strong Banking/Financial Services domain experience to develop and maintain secure, scalable enterprise applications.
Key Responsibilities
  • Design, develop, and maintain Java backend applications and microservices.
  • Build scalable RESTful APIs using Java and Spring Boot.
  • Develop and optimize backend services supporting banking and financial applications.
  • Work with SQL databases, Hibernate/JPA, and data-intensive applications.
  • Participate in code reviews, unit testing, debugging, and performance optimization.
  • Collaborate with business, QA, DevOps, and engineering teams in an Agile environment.
Required Skills
  • 3–9 years of professional Java development experience.
  • Strong hands-on experience with Java 8/11/17+, Spring Boot, and Microservices.
  • Strong knowledge of REST APIs, SQL, Hibernate/JPA, Git, and Maven/Gradle.
  • Experience with JUnit and automated testing.
  • Mandatory: Banking or Financial Services domain experience.
  • Strong understanding of secure and scalable enterprise application development.
Eligibility
  • Candidates must have Canadian Banking/Financial Services experience.
  • Canadian Permanent Residents (PR) and valid Open Work Permit (OWP) holders only.
  • Canadian Citizens are not eligible for this position.
  • Employer sponsorship is not available.

This is a remote position.