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Contract Senior Java Developer Jobs in Toronto, ON

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 ...

Scotiabank

Software Developer(Java)

Toronto, ON

Oracle Certified Java Developer certification will be an asset. * Technical Knowledge of event driven architecture (Kafka, Kafka connectors, Kafka brokers) * 3-5 years of working experience in the ...

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Contract Senior Java Developer information

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 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 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 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 the most commonly searched types of Senior Java Developer jobs in Toronto, ON? The most popular types of Senior Java Developer jobs in Toronto, ON are:
What are popular job titles related to Contract Senior Java Developer jobs in Toronto, ON? For Contract Senior Java Developer jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Contract Senior Java Developer jobs in Toronto, ON look for? The top searched job categories for Contract Senior Java Developer jobs in Toronto, ON are:
Contract Senior Java Developer jobs near you
Infographic showing various Contract Senior Java Developer job openings in Toronto, ON as of July 2026, with employment types broken down into 88% Full Time, 2% Temporary, and 10% Contract. Highlights an 50% In-person, 30% Hybrid, and 20% Remote job distribution.
Senior Full Stack Java Developer- Assistant Vice President

Senior Full Stack Java Developer- Assistant Vice President

Citigroup Inc.

Mississauga, ON • On-site

$85 - $115/hr

Other

Posted 28 days ago

Job description

Job Description

The Senior Full Stack Java Developer – is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead application systems analysis and programming activities.

Responsibilities
  • Partner with multiple management teams to ensure appropriate integration of functions to meet goals, and identify and define necessary system enhancements to deploy new products and process improvements.
  • Resolve high-impact problems and projects through in-depth evaluation of complex business processes, system processes, and industry standards.
  • Provide expertise in application programming and ensure application design adheres to the overall architecture blueprint.
  • Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation.
  • Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals.
  • Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions.
  • Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary.
  • Appropriately assess risk when business decisions are made, demonstrating consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, and escalating, managing and reporting control issues with transparency.
Recommended Qualifications
  • 5+ years of proven software development experience, specializing in Java, JavaScript frameworks such as React, Spring Boot, and Oracle.
  • In-depth knowledge of modern application architecture principles.
  • Clear understanding of data structures and object-oriented principles using Java.
  • Practical experience with artificial intelligence tools for enhancing development workflows.
  • Proficiency in microservices frameworks (e.g., Spring Boot), event-driven services, and cloud-native application development.
  • Multiple years of experience on service‑orientated and microservices architectures, including REST and GraphQL implementations.
  • Full‑stack proficiency: demonstrated ability to design, develop, and maintain both front‑end and back‑end components of robust web applications.
  • Front‑end development: strong expertise in developing intuitive user interfaces using contemporary JavaScript frameworks (React), HTML5, and CSS.
  • Back‑end development: solid experience in developing server‑side logic and APIs using Java, Python, or similar.
  • Database expertise: comprehensive knowledge of SQL and PL/SQL, with deep understanding of relational database management systems, particularly Oracle.
  • API development: proven capability in designing, developing, and implementing high-performance RESTful APIs.
  • CI/CD and DevOps: proficiency with continuous integration/continuous deployment pipelines and tools for building (Maven, Gradle) and deploying code (Docker, Jenkins, OpenShift).
  • Experience with AWS is considered a significant advantage.
  • Agile methodologies: practical experience working within Agile development methodologies and utilizing project management tools such as JIRA.
Education
  • Bachelor’s degree/university degree or equivalent experience.
  • Master’s degree preferred.
Equal Opportunity Employment

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

Applicants with a disability who need reasonable accommodation to use our search tools and apply for a career opportunity may contact Accessibility at Citi.

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