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Contract Java Developer Jobs in Mississauga, ON (NOW HIRING)

Behavox

Senior Java Developer

Toronto, ON · On-site

The role combines deep hands-on Java engineering with architectural ownership - from high-level ... contract, component) * Technical roadmap contribution: Drive the engineering agenda for assigned ...

Behavox

Senior Java Developer

Toronto, ON · On-site

The role combines deep hands-on Java engineering with architectural ownership - from high-level ... contract, component) * Technical roadmap contribution: Drive the engineering agenda for assigned ...

Hire DigITalent

Senior Java Developer

Toronto, ON · On-site

We are seeking a highly experienced and technically proficient Senior Java Developer to join a new ... This engagement will start as a 6-month contract with a high possibility of extensions. Key ...

Deloitte

Senior Java Developer - Operate

Toronto, ON

CA$72K - CA$138K/yr

Temporary Contract Work Model: Hybrid Reference code: 132943 Primary Location: Toronto, ON All ... As a Java Developer at Deloitte, you will play a crucial role in designing, developing, and ...

Td

Senior IT Java Developer

Toronto, ON · On-site +1

CA$105K - CA$129K/yr

... contracts, versioning, and schema evolution Define service interaction patterns (REST vs Kafka ... Azure Developer Associate Oracle Java OCP 11/17 or Spring Professional #LI-Tech Who We Are: TD ...

IT Connex

Python Developer

Mississauga, ON · Hybrid

Python Backend Developer 📍 Hybrid (3 Days Onsite) | Greater Toronto Area 💼 Contract ... Polars, Kafka, Spark, Java * Docker / Kubernetes / OpenShift / ECS * Financial services or trading ...

Tekgence Inc

Senior Frontend Developer

Toronto, ON · On-site

SR Java Front-End Developer Toronto - 4 Days WFO 12 months - contract Proficiency in Angular (preferably Angular 8). Strong knowledge of HTML5, CSS3, and JavaScript TypeScript. Experience with ...

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All JobsContract Java Developer JobsContract Java Developer Jobs in Mississauga, ON

Contract Java Developer information

See Mississauga, ON salary details

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How much do contract java developer jobs pay per hour?

As of Jun 11, 2026, the average hourly pay for contract java developer in Mississauga, ON is $55.27, according to ZipRecruiter salary data. Most workers in this role earn between $47.10 and $65.89 per hour, depending on experience, location, and employer.

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

To thrive as a Contract Java Developer, you need strong Java programming skills, experience with object-oriented design, and a solid understanding of software development lifecycles, typically supported by a relevant degree or certifications. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git is commonly required. Excellent problem-solving, adaptability, and clear communication skills help you efficiently integrate with new teams and projects. These abilities ensure you can quickly deliver high-quality, maintainable code that meets client requirements in a dynamic contract environment.

What are some common challenges faced by Contract Java Developers when integrating with existing teams and projects?

Contract Java Developers often need to quickly adapt to unfamiliar codebases and team workflows, which can be challenging given tight project timelines. Effective communication is essential, as they must coordinate with permanent staff, understand project requirements, and align with established coding standards and deployment processes. Many contractors also need to manage multiple projects or clients simultaneously, requiring strong time management skills. Proactively seeking clarity on expectations and leveraging onboarding resources can help ease the integration process.

Is Java outdated in 2026?

Java remains a widely used programming language for contract Java developers in 2026, especially in enterprise applications, Android development, and backend systems. It continues to evolve with regular updates and new features, maintaining its relevance in the software industry.

Is AI replacing Java developers?

AI is automating certain coding tasks and improving software development processes, but it does not replace Java developers. Java developers are needed to design, implement, and maintain complex applications, and their skills in problem-solving and system architecture remain essential. AI tools can assist developers but currently serve as complements rather than replacements in the development workflow.

Which pays more, C++ or Java?

For a Contract Java Developer, salary differences between C++ and Java roles depend on experience, location, and industry demand. Generally, C++ developers may earn higher salaries due to the complexity of systems and performance-critical applications, but Java developers are also well-compensated, especially with expertise in enterprise environments and frameworks like Spring. Both skills are valuable, and compensation varies based on specific job requirements and market conditions.

What are Contract Java Developers?

Contract Java Developers are software professionals who specialize in the Java programming language and are hired on a contract basis, rather than as permanent employees. They typically work for a set period of time or on a specific project, developing, testing, and maintaining Java-based applications according to the client’s requirements. These developers are often brought in to provide specialized expertise, handle workload spikes, or complete short-term projects. Their roles may include writing code, fixing bugs, integrating systems, and ensuring applications meet performance and security standards.

Is Java developer still in demand?

Java developers remain in high demand due to the language's widespread use in enterprise applications, Android development, and backend systems. Skills in frameworks like Spring and experience with cloud platforms can enhance job prospects in this field.

What is the difference between Contract Java Developer vs Contract Software Engineer?

AspectContract Java DeveloperContract Software Engineer
Required CredentialsBachelor's in Computer Science, Java certificationsBachelor's in Computer Science or related, various programming certifications
Work EnvironmentDevelopment teams, client sites, remote optionsDevelopment teams, client sites, remote options
Industry UsageTech, finance, healthcare, e-commerceTech, finance, healthcare, e-commerce
Search & Comparison IntentFocus on Java-specific roles, Java projectsBroader software development roles, multiple languages

Contract Java Developers specialize in Java programming and are often sought for Java-specific projects. Contract Software Engineers have a broader scope, working with multiple programming languages and technologies. Both roles are common in tech industries and share similar work environments, but the Java Developer role is more focused on Java expertise.

What are the most commonly searched types of Java Developer jobs in Mississauga, ON? The most popular types of Java Developer jobs in Mississauga, ON are:
Contract Java Developer jobs near you
Infographic showing various Contract Java Developer job openings in Mississauga, ON as of June 2026, with employment types broken down into 3% As Needed, 17% Full Time, 41% Part Time, and 39% Contract. Highlights an 79% Physical, 3% Hybrid, and 18% Remote job distribution, with an average salary of $114,954 per year, or $55.3 per hour.

Senior Full Stack Developer Java

GFR Technologies SE

Toronto, ON

Other

Posted 6 days ago

Job description

This is a long term contract opportunity (12 mnths contract) and has no sponsorship option

We are seeking a Senior Java Developer to join our Client's Banking team. This role will involve working on Delta One business requirements, small enhancements, and migrating our application to proximity data centres.
Role is located in Downtown Toronto on a hydrid basis!

Contract role pays: 65-95$hr

Hours per week: 40hrs/ week

Key Responsibilities:

  • The Senior Full Stack Developer is responsible for DevOps and the delivery of core Java, Scala and web services and applications.
  • Work collaboratively with the team and stakeholders to proactively gather requirements, plan, develop, and deploy new features, enhancements, and bug fixes to production.
  • Participate in production support and release preparation as part of a rota.
  • Support the migration of applications to proximity data centres.
  • Collaborate closely with colleagues in New York, London, and China to ensure seamless integration and functionality.

Required Skills & Qualifications:

  • At least 5 years of experience working as a Java developer at a senior level
  • Experience in agile development and methodology 
  • A fast learner, a team player and adaptable to change.
  • Strong communication skills in English (written and spoken)

Preferred Qualifications:

  • Some experience working with React and JavaScript for UI changes.
  • Proficiency in Scala.
  • Experienced with Google Cloud Platform (GCP) services and deployments.
  • Prior experience in a front office trading environment.

Apply