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Java Contract Jobs in Toronto, ON (NOW HIRING)

Mercor

Cybersecurity Expert - AI Specialist

Toronto, ON · On-site +1

CA$70 - CA$90/hr

Contract Compensation: $70-$90/hour Location: Remote Duration: ~2 months Role Responsibilities ... Java . * Familiarity with security vulnerability classification frameworks like OWASP or CVEs

Canon Careers

34153

Brampton, ON · Hybrid

CA$81.80K - CA$90K/yr

Sr. Business Systems Analyst (15-month contract)- Hybrid As the Senior Business System Analyst, you ... Experience in working with/analyzing JAVA applications and Oracle database * Experience with ...

Clariti Cloud Inc.

Senior Software Engineer

Toronto, ON

CA$103K - CA$160K/yr

Our product is delivered as managed packages into customer orgs and supported by Java- and Node ... Benefits depend on employment type (full-time, part-time, contract, etc). Things to Note 📝 ...

New

Veriday Inc.

Lead - DevOps Engineer

Toronto, ON · On-site

This is a5-month contract, hybrid position with the potential for extension. The successful ... Proficient with Java, Python, Typescript, Groovy, YAML, NPM * Experience with deploying to cloud ...

New

Veriday Inc.

Lead - DevOps Engineer

Toronto, ON · Hybrid

This is a5-month contract, hybrid position with the potential for extension. The successful ... Proficient with Java, Python, Typescript, Groovy, YAML, NPM * Experience with deploying to cloud ...

New

Source Code

RQ11125 - Sr. DevOPS/Cloud Engineer

Toronto, ON · Hybrid

CA$90.37 - CA$108.48/hr

RQ11125 - Sr. DevOPS/Cloud Engineer 10-month contract (202 business days) - possible extension ... Experience in scripting languages like Python, Bash, PHP, Java, JavaScript, Node, * Experience in ...

Stripe

Backend / API Engineer, Billing

Toronto, ON

... stage contracts, delivering Usage-Based Billing, and providing recovery and retention tools to ... Ability to write high quality code (in programming languages like Go, Java, C/C++, etc.) * Hands-on ...

emergiTEL Inc.

Security Developer-2026-25

Toronto, ON

CA$64 - CA$80/hr

This is a Contract role. Compensation: $64 - $80/hour Location: Calgary, Alberta, Canada (Hybrid ... Experience with at least one programming language (Java, Python, or JavaScript). * Experience with ...

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Java Contract information

What are the key skills and qualifications needed to thrive as a Java Contractor, and why are they important?

To thrive as a Java Contractor, you need strong proficiency in Java programming, experience with object-oriented design, and a solid understanding of software development methodologies, often supported by a relevant degree or certifications like Oracle Certified Professional Java Programmer (OCPJP). Familiarity with development tools such as Eclipse or IntelliJ IDEA, version control systems like Git, and frameworks such as Spring or Hibernate is typically required. Excellent problem-solving, adaptability, and communication skills help you collaborate with diverse teams and quickly respond to project changes. These skills ensure high-quality, maintainable code and successful completion of contract-based software projects.

What are some common challenges faced by Java contractors and how can they be managed effectively?

Java contractors often work on short-term projects or fill skill gaps in development teams, which can present challenges such as quickly adapting to new codebases and varying team dynamics. To manage these effectively, it’s important to have strong communication skills, a proactive approach to understanding project requirements, and the ability to rapidly learn existing systems. Building rapport with permanent team members and maintaining thorough documentation can also help ease the transition. Staying current with Java frameworks and tools further ensures you can contribute value from day one.

What is a Java contract job?

A Java contract job is a temporary position where a programmer is hired to work on projects using the Java programming language for a fixed period, rather than as a permanent employee. Contractors are often brought in to fill skill gaps, complete specific projects, or handle increased workloads. These roles can be full-time or part-time and typically last from a few months to over a year, depending on the project's needs. Contractors may work onsite or remotely and are usually paid hourly or by project milestone. Java contract jobs offer flexibility and the opportunity to work with a variety of companies and technologies.

What is the difference between Java Contract vs Java Developer?

AspectJava ContractJava Developer
CredentialsTypically requires Java certifications, experience in contract rolesRequires Java certifications, degree in computer science or related field
Work EnvironmentProject-based, short-term assignments, flexible hoursFull-time, ongoing employment, structured work hours
Employer & Industry UsageUsed by companies for specific projects, consulting firmsEmployed directly by companies, tech firms, or agencies
Search & Comparison IntentOften compared for contract opportunities, flexibilityCompared for full-time roles, career growth

Java Contract roles are typically project-based, offering short-term assignments with flexible schedules, ideal for those seeking variety or freelance work. Java Developers usually work full-time, with ongoing responsibilities and career development opportunities. Both roles require Java certifications and experience, but differ mainly in employment type and work environment.

What are the most commonly searched types of Java jobs in Toronto, ON? The most popular types of Java jobs in Toronto, ON are:
What are popular job titles related to Java Contract jobs in Toronto, ON? For Java Contract jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Java Contract jobs in Toronto, ON look for? The top searched job categories for Java Contract jobs in Toronto, ON are:
What cities near Toronto, ON are hiring for Java Contract jobs? Cities near Toronto, ON with the most Java Contract job openings:
Java Contract jobs near you
Infographic showing various Java Contract job openings in Toronto, ON as of May 2026, with employment types broken down into 87% Full Time, and 13% Contract. Highlights an 62% In-person, 25% Hybrid, and 13% Remote job distribution.

Cybersecurity Expert - AI Specialist

Mercor

Toronto, ON • On-site, Remote

CA$70 - CA$90/hr

Full-time

Posted 10 days ago

Job description

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Position: Cybersecurity Experts
Type: Contract
Compensation: $70–$90/hour
Location: Remote
Duration: ~2 months

Role Responsibilities

  • Analyze and review content for security vulnerabilities with a focus on pattern recognition and classification in an AI context.
  • Apply expertise in systems programming and security concepts to enhance AI model threat detection and reasoning.
  • Work independently and asynchronously with a team of experts to solve real-world problems.
  • Craft, solve, and review challenging problems with real-world applicability.
  • Collaborate to improve AI model performance and security assessment.

Qualifications

Must-Have

  • 2+ years of experience in programming with low-level languages such as C, C++, or Java.
  • Familiarity with security vulnerability classification frameworks like OWASP or CVEs.
  • Understanding of core cybersecurity concepts, including web security and common attack vectors.
  • Strong attention to detail and pattern recognition skills.
  • Clear written and verbal communication in English.
  • Based in the U.S., Canada, UK, Australia, or New Zealand.
  • Ability to pass an enhanced background check.

Start Date

  • Mid-April; exact dates confirmed closer to the start date.

Interview Process

  • Short interview and questionnaire to assess domain expertise.
  • Paid for up to 1 hour of onboarding time, including screening and onboarding videos if hired.

Application Process (Takes 20–30 mins to complete)

  • Upload resume
  • AI interview based on your resume
  • Submit form

Resources & Support

  • For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
  • For any help or support, reach out to: support@mercor.com

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.