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Contract Senior Java Developer Jobs in Ontario (NOW HIRING)

StackandCo

... n We need Senior Java Engineers who have led teams, to work on both the Architecture and Development on multiple key projects. \n \n \n \n \n \n This is ideal for someone who enjoys mentoring ...

Td

Senior IT Java Developer

Toronto, ON · On-site +1

CA$105.10K - CA$129.40K/yr

Job Summary We are seeking a Senior Java Developer / Architect to design, build, and operate ... contracts, versioning, and schema evolution Define service interaction patterns (REST vs Kafka ...

StackandCo

\n \n \n \n \n Our client has a requirement for a highly experienced Java Developer for a contract position in Dublin. You will be joining a highly collaborative team offering you the opportunity to ...

StackandCo

\n \n \n \n \n We are looking for an experienced Java Developer for a contract position. This will be an initial 6 month contract with the possibility of extending after that (remote interviewing and ...

StackandCo

... n * 5+ years' Java Development experience \n * Cloud experience \n * An interest in Machine ... An ambition to lead engineers would be nice to have \n * Solid Linux background \n \n \n \n \n \n

StackandCo

\n \n \n \n \n We are looking for an experienced Java Developer for a contract position in Dublin. You will be joining a well established team of experienced developers, giving you the perfect ...

StackandCo

\n \n \n \n \n We have an exciting contract position available for a Full Stack Java Developer in Waterford. It will an initial 6 months with the strong possibility of extending after that. \n \n \n ...

StackandCo

... Contract ( extensions highly likely) \n \n \n \n \n \n What you will be doing ... You will work on a high performing team of Senior Full Stack Engineers where you will be building a ...

Td

Senior Java Developer, TD Securities

Toronto, ON

CA$102.20K - CA$125K/yr

We do this by designing, developing, and enhancing java based microservices that support different ... senior developer) * Actively contributing code and laying the foundation for technical features ...

StackandCo

... Java Development Experience \n * Agile & Test Driven experience \n * Microservices experience \n * AWS experience \n * Knowledge of web protocols and various operating systems \n \n \n \n \n \n Nice ...

Virtusa

Java Developer

Mississauga, ON

Seeking a Senior Application Developer with strong hands-on experience in developing server-side components in Java. Candidate must have experience in developing enterprise application using Java ...

Virtusa

Java Developer

Mississauga, ON · On-site

Seeking a Senior Application Developer with strong hands-on experience in developing server-side components in Java. Candidate must have experience in developing enterprise application using Java ...

KeyData Cyber

Java Developer (Contract)

Toronto, ON · Remote

CA$40 - CA$48/hr

... for a Java Developer to join KeyData Cyber's Delivery Services team. This role is focused on ... Canada, Remote Employment Type : Full-time contract position starting in mid-May 2026 through ...

StackandCo

Are you looking for your next contract? Then look no further as this might be right role for you ... Java Developer Experience \n * ReactJS and JavaScript Experience \n * Linux knowledge \n

Tekgence Inc

Senior Frontend Developer

Toronto, ON

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 ...

New

StackandCo

We are looking for a Senior Developer for our clients digital solutions area were you will be using Adobe Experience Manager. Although AEM experience would be ideal, this can be substituted for Java ...

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Contract Senior Java Developer information

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

To thrive as a Contract Senior Java Developer, you need advanced proficiency in Java programming, object-oriented design, and experience with frameworks like Spring or Hibernate, typically backed by a bachelor's degree in computer science or related field. Familiarity with version control systems (such as Git), CI/CD pipelines, and cloud platforms like AWS or Azure is often required, along with relevant Java certifications. Strong problem-solving, communication, and time management skills help you effectively collaborate with distributed teams and deliver quality code on tight deadlines. These skills and qualities are crucial for building robust applications, adapting to evolving project requirements, and excelling in fast-paced contract environments.

What are some common challenges faced by Contract Senior Java Developers when joining new projects?

Contract Senior Java Developers often encounter challenges such as quickly adapting to unfamiliar codebases, integrating with established development teams, and understanding unique business requirements. Since contracts are typically time-limited, there is pressure to deliver results efficiently while maintaining high code quality. Building rapport with permanent staff and navigating different development processes or toolchains are also common hurdles, but strong communication skills and adaptability can help overcome these challenges.

What is a Contract Senior Java Developer?

A Contract Senior Java Developer is an experienced software engineer who specializes in Java programming and works on a contract basis rather than as a permanent employee. They are typically responsible for designing, developing, and maintaining complex Java applications, often leading technical teams and ensuring code quality. Their contract status means they are hired for specific projects or time frames, providing flexibility to both the developer and the employer. Senior Java Developers usually have several years of experience and a deep understanding of Java frameworks, best practices, and software architecture.

What is the difference between Contract Senior Java Developer vs Contract Java Developer?

AspectContract Senior Java DeveloperContract Java Developer
Required CredentialsJava certifications, experience in complex projectsJava certifications, basic to intermediate experience
Work EnvironmentLarge enterprise, complex systemsStartups, small to medium projects
Employer & Industry UsageFinancial, healthcare, tech firmsTech startups, software agencies
Search & Comparison IntentSeeking experienced Java roles, seniority levelEntry to mid-level Java roles

The main difference between a Contract Senior Java Developer and a Contract Java Developer lies in experience, project complexity, and industry usage. Senior developers typically handle complex systems and require advanced certifications, while Java Developers may work on simpler projects with less experience. Both roles are in demand across various industries, but the senior position emphasizes leadership and technical expertise.

What are the most commonly searched types of Senior Java Developer jobs in Ontario? The most popular types of Senior Java Developer jobs in Ontario are:
What are popular job titles related to Contract Senior Java Developer jobs in Ontario? For Contract Senior Java Developer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Contract Senior Java Developer jobs in Ontario look for? The top searched job categories for Contract Senior Java Developer jobs in Ontario are:
What cities in Ontario are hiring for Contract Senior Java Developer jobs? Cities in Ontario with the most Contract Senior Java Developer job openings:
Contract Senior Java Developer jobs near you
Infographic showing various Contract Senior Java Developer job openings in Ontario as of May 2026, with employment types broken down into 58% Full Time, 36% Part Time, and 6% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution.

Principal Java Developer

StackandCo

On-site, Remote

Full-time

Posted 26 days ago

Job description

\n <\/head>\n \n \n
\n Our client in Dublin, a globally renowned organisation with a hugely respected tech function in Ireland, is expanding.<\/span>
\n <\/div>\n
\n
\n <\/div>\n
\n This is an opportunity to join a new team, multiple hires will be happening.<\/span>
\n <\/div>\n
\n
\n <\/div>\n
\n We need Senior Java Engineers who have led teams, to work on both the Architecture and Development on multiple key projects.<\/span>
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\n This is ideal for someone who enjoys mentoring engineers, enjoys product design\/architecture and wants to continue contributing to code alongside the team of developers.<\/span>
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\n
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\n This role can be primarily remote but only for candidates based in Ireland.<\/span>
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\n You will also be well looked after with an extremely good benefits package.<\/span>
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\n Criteria
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    \n
  • Minimum of 8 years' experience working with Java (and Spring)
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  • Experience mentoring engineers and owning product architecture
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  • An advocate of best practices
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  • Extremely strong communicator
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  • Extensive REST experience
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  • Strong CI\/CD experience
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    \n
    \n <\/div><\/span>
    \n <\/body>\n<\/html>

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