ZipRecruiter

Log In

1

Contract Senior Java Developer Jobs in Toronto, ON

NearSource

Senior JAVA Backend Developer

Toronto, ON · Remote

CA$80 - CA$90/hr

T4 Contract Rate: CAD $80 to $90 per Hour Role Summary NearSource is seeking a Senior Java Backend Developer to contribute to a large-scale cloud-native platform for a Fortune 500 product company.

Royal Bank of Canada

Sr Software Developer

Toronto, ON · On-site

We are seeking a Senior Java Developer to design, build, and maintain high-performance applications that facilitate basket trading & handle streaming data within Global Equities business. This is a ...

Scotiabank

Java Developer - Java/React

Toronto, ON · On-site

Reporting to the Senior Manager Development, this Sr. Software Developer role is responsible for ... Must have technical working experience with Core Java (Version 8 or higher)/Java, JDK17+

Synechron

Sr. Core Java Developer

Toronto, ON · Hybrid

CA$120K - CA$140K/yr

Our challenge We are seeking a highly experienced and hands-on Java Developer with a strong background in Core Java, Spring Framework, and low-latency multi-threaded programming to join our dynamic ...

Behavox

Senior Software Engineer (JAVA)

Toronto, ON · On-site

About the Role The Software Engineer (Java) operates at a senior engineer level, driving technical ... contract, component) * Technical roadmap contribution: Drive the engineering agenda for assigned ...

Behavox

Senior Software Engineer (JAVA)

Toronto, ON

About the Role The Software Engineer (Java) operates at a senior engineer level, driving technical ... contract, component) * Technical roadmap contribution: Drive the engineering agenda for assigned ...

Td

Senior Java Engineer, TD Securities

Toronto, ON

CA$126K - CA$164K/yr

... performing Java and Data engineer to help us design and implement next-generation calculations ... senior, executive stakeholders. Desired Skillsets: * Java/JEE * Spark/Scala * Big Data/Hadoop/Hive

Alert Driving

Senior Database Java Developer

Toronto, ON · On-site

$80 - $120/hr

Position Summary We are currently looking for an experienced application developer who is well ... Knowledge-building Java-based REST or GraphQL web services * Knowledge of front-end UI development ...

next page

Showing results 1-20

All JobsContract Java Developer JobsContract Senior Java Developer JobsContract Senior Java Developer Jobs in Toronto, ON

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 JAVA Backend Developer

Senior JAVA Backend Developer

NearSource

Toronto, ON • Remote

CA$80 - CA$90/hr

Full-time

Posted 24 days ago

Job description

Job Title: Senior Java Backend Developer
Location: 100% Remote, Canada
Experience: 7 to 10 Years
Employment Type: T4 Contract
Rate: CAD $80 to $90 per Hour

Role Summary
NearSource is seeking a Senior Java Backend Developer to contribute to a large-scale cloud-native platform for a Fortune 500 product company. This role requires strong expertise in backend engineering, event-driven architectures, distributed systems, and real-time data streaming. The successful candidate will be expected to quickly onboard and deliver value within the first weeks of engagement while collaborating with global engineering teams.

Key Responsibilities

  • Design, develop, and maintain scalable backend services using Java or Go.
  • Architect and implement event-driven systems leveraging Apache Kafka and AWS streaming technologies.
  • Build and optimize high-throughput data processing pipelines and asynchronous messaging workflows.
  • Develop reliable distributed systems with strong focus on resiliency, scalability, and operational excellence.
  • Implement and maintain cloud-native solutions on AWS services including DynamoDB, MSK/Kinesis, ECS/EKS, IAM, and S3.
  • Design partitioning strategies, retention policies, access controls, and consumer architectures for Kafka-based platforms.
  • Drive implementation of data streaming solutions supporting CDC patterns and event processing requirements.
  • Apply distributed systems best practices including idempotency, retry mechanisms, eventual consistency, and fault tolerance.
  • Collaborate with cross-functional engineering teams to deliver production-ready software solutions.
  • Troubleshoot, optimize, and improve platform performance, scalability, and reliability.
  • Contribute effectively within an existing project environment and achieve rapid productivity during onboarding.

Must-Have Skills

  • 7 to 10 years of professional software engineering experience.
  • Strong backend development experience using Java with Spring Boot or Go with modern service frameworks.
  • Hands-on production experience with Apache Kafka, including:
    • Producer and consumer APIs
    • Partition design
    • Retention management
    • ACL configuration
    • Kafka Admin Client
  • Hands-on production experience with AWS services, including:
    • DynamoDB
    • MSK or Kinesis
    • ECS or EKS
    • IAM
    • S3
  • Strong experience building event-driven architectures and streaming platforms.
  • Experience with Change Data Capture (CDC) patterns and asynchronous message processing.
  • Strong understanding of delivery guarantees, including exactly-once and at-least-once processing semantics.
  • Solid knowledge of distributed systems concepts including idempotency, retries with backoff, and eventual consistency.
  • Proven ability to join active projects and contribute effectively within the first one to two weeks.

Nice-to-Have Skills

  • Experience with Apache Flink, Flink SQL, or Kafka Streams.
  • Experience building stream consumers using AWS Kinesis Client Library (KCL).
  • Experience implementing Outbox patterns, Debezium, or similar CDC frameworks.
  • Experience with DynamoDB single-table design.
  • Familiarity with GitOps deployment methodologies using ArgoCD or Flux.
  • Familiarity with Apache Iceberg, Apache Paimon, or other open table formats.

Apply now, or share your resume with salary expectations at careers@nearsource.ca.

Thank you for considering a career with us! Once you submit your application, our Talent Acquisition team will review your resume thoroughly. If there's a strong match, we'll reach out to discuss your experience, role details, benefits, compensation, and next steps. While we strive for transparency, we may not be able to respond to every applicant due to high volume, but we genuinely appreciate your time and interest.

About NearSource

NearSource Technologies is a trusted partner for future-ready software consulting, enabling Fortune 500 enterprises to accelerate digital transformation. Our global engineering teams build and deploy impactful technology for some of the world's most admired brands, working directly on long-term client initiatives.

Equal Opportunity Employer

NearSource is an equal opportunity employer committed to fostering an inclusive and respectful environment. We celebrate diversity and do not discriminate based on race, gender, religion, sexual orientation, age, disability, or background. Innovation thrives when everyone feels empowered to contribute.