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Senior Java Developer C2C Jobs in Toronto, ON (NOW HIRING)

NearSource

Senior JAVA Backend Developer

Toronto, ON · Remote

CA$80 - CA$90/hr

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 ...

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 ...

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 ...

Behavox

Senior Software Engineer (JAVA)

Toronto, ON · On-site

About the Role The Software Engineer (Java) operates at a senior engineer level, driving technical ... product, DevOps, and ML teams. Communicate technical decisions clearly to non-technical ...

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Senior Java Developer C2C information

What is the difference between Senior Java Developer C2C vs Java Software Engineer?

AspectSenior Java Developer C2CJava Software Engineer
CredentialsJava certifications, experience in Java SE/EEJava certifications, similar experience
Work EnvironmentContract-based, client-site or remote, project-focusedFull-time, in-house or remote, development team
Industry UsageFreelance/contract roles across industriesPermanent roles in tech companies or enterprises
Search IntentContract Java roles, freelance Java jobsFull-time Java developer positions

While both roles require Java expertise and similar certifications, Senior Java Developer C2C typically involves contract-based, project-specific work often on a freelance basis. Java Software Engineer usually refers to full-time, in-house roles within organizations. The choice depends on whether you're seeking flexible contract work or a permanent position.

What are the key skills and qualifications needed to thrive as a Senior Java Developer (C2C), and why are they important?

To thrive as a Senior Java Developer (C2C), you need expert-level proficiency in Java, object-oriented programming, system architecture, and a solid foundation in computer science, usually supported by a bachelor’s degree or higher. Familiarity with frameworks like Spring, Hibernate, RESTful APIs, version control systems such as Git, and build tools like Maven or Gradle, along with experience in Agile methodologies, is typically required. Strong problem-solving, leadership, and communication skills help you collaborate effectively with cross-functional teams and mentor junior developers. These skills and qualities are crucial for delivering robust, scalable software solutions and ensuring project success in dynamic environments.

What are some common challenges Senior Java Developers face when working on C2C (Corp-to-Corp) contracts?

Senior Java Developers working on C2C contracts often encounter challenges such as quickly adapting to new project environments, understanding diverse client requirements, and integrating with teams that may have established workflows or legacy systems. Additionally, they need to manage their own business operations, including invoicing and compliance, while maintaining high productivity and technical standards. Effective communication and self-management are essential, as C2C roles may offer less direct supervision compared to traditional employment.

What is a Senior Java Developer C2C?

A Senior Java Developer C2C is an experienced software engineer who specializes in Java programming and works on a 'Corp-to-Corp' (C2C) basis. This means the developer provides services through their own corporation or business entity, rather than as a direct employee or independent contractor. Senior Java Developers are responsible for designing, developing, and maintaining complex Java applications, leading projects, and mentoring junior developers. C2C arrangements are common in IT contracting, particularly in the United States, and typically require the developer to handle their own business taxes and legal compliance.
What are the most commonly searched types of Java Developer C2C jobs in Toronto, ON? The most popular types of Java Developer C2C jobs in Toronto, ON are:
What are popular job titles related to Senior Java Developer C2C jobs in Toronto, ON? For Senior Java Developer C2C jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Senior Java Developer C2C jobs in Toronto, ON look for? The top searched job categories for Senior Java Developer C2C jobs in Toronto, ON are:
Senior Java Developer C2C jobs near you
Infographic showing various Senior Java Developer C2C job openings in Toronto, ON as of July 2026, with employment types broken down into 28% Full Time, and 72% Contract. Highlights an 100% In-person job distribution.
Senior Java Developer - Vice President

Senior Java Developer - Vice President

Citi

Mississauga, ON • On-site

CA$120K - CA$170K/yr

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

We are seeking a highly skilled and experienced Senior Java Engineer to join our dynamic team. The ideal candidate will be a technical leader, proficient in modern full-stack development, and passionate about leveraging cutting-edge AI tools and methodologies to build innovative and robust enterprise solutions.

Responsibilities

  • Write clean, secure, and highly performant Java code using Spring Boot and related frameworks, adhering to best practices and coding standards.
  • Build modern, responsive front-end interfaces with a focus on user experience and robust, scalable RESTful APIs.
  • Lead architectural decisions, perform comprehensive code reviews, and mentor junior and mid-level developers, fostering a culture of technical excellence.
  • Collaborate closely with product managers and UI/UX designers to translate complex requirements into elegant and efficient technical solutions.
  • Champion continuous integration/continuous deployment (CI/CD) practices and oversee automated cloud deployments on platforms like AWS/GCP.
  • Actively utilize AI-powered development tools such as GitHub Copilot, Devin, Claude Code, and Cursor to accelerate development, improve code quality, and assist in debugging and refactoring efforts.
  • Contribute to the design and implementation of AI/ML integration patterns within applications, understanding the lifecycle of LLM-powered features.
  • Explore and integrate new AI technologies and frameworks to enhance application capabilities and developer productivity.

Skills

  • Backend: Advanced proficiency in Core Java, Spring Boot, microservices architecture, and asynchronous programming. Experience with performance tuning and optimization.
  • Frontend: Strong expertise in JavaScript (ES6+), TypeScript, and modern frameworks (e.g., React or Angular). Solid understanding of responsive design principles and front-end build tools.
  • Databases: Extensive experience with relational (SQL Server, PostgreSQL, Oracle) and non-relational (MongoDB, Cassandra) databases, including schema design, query optimization, and data migration strategies.
  • DevOps & Cloud: Proficiency with Docker, Kubernetes, and experience with cloud platforms (e.g., AWS, Azure, GCP), including OpenShift.
  • Version Control: Expert-level knowledge of Github and branching strategies.
  • AI/ML & Tooling:
    • Demonstrated experience with AI-powered development tools (e.g., GitHub Copilot, Devin, Claude Code, Cursor) for code generation, debugging, and refactoring.
    • Fundamental understanding of Large Language Models (LLMs) and their application in software development.
    • Proficiency in Python for scripting, data processing, and integration with AI/ML frameworks.
    • Hands-on experience with Generative AI concepts, Large Language Models (LLMs), transformer architectures, RAG, and advanced agentic frameworks such as Google ADK(preferred),  LangChain, LangGraph,. 
  • Soft Skills: Exceptional problem-solving abilities, strong communication, technical leadership, mentorship, and a proactive approach to continuous learning and innovation.

Experience

  • 6+ years of professional software engineering experience, with at least 3 years focused on modern full-stack development.
  • Proven track record of successfully designing, deploying, and maintaining high-scale, customer-facing applications in production environments.
  • Experience taking ownership of key project areas, driving technical initiatives, and leading cross-functional teams.
  • Prior experience integrating or working with AI/ML components or services is highly desirable.

Education

  • Bachelor’s or Master’s degree in Computer Science, Software Engineering, or an equivalent technical field.

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Job Family Group: Technology

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Job Family:Applications Development

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Time Type:Full time

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Primary Location Full Time Salary Range:$120,800.00 - $170,800.00

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Most Relevant Skills Please see the requirements listed above.

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Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.

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Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

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This job opening is for an existing job vacancy.

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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.

 

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi’s EEO Policy Statement and the Know Your Rights poster.

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