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

Senior Java Developer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

We are seeking a highly experienced and motivated Lead Java Developer with 6+ years of industry experience to spearhead the development of robust, scalable, and innovative enterprise applications.

Citi is looking for a Senior Java Developer to design, build, and evolve enterprise-grade shared services that underpin high-volume, mission-critical financial systems. In this role, you will lead ...

Citi is looking for a Senior Java Developer to design, build, and evolve enterprise-grade shared services that underpin high-volume, mission-critical financial systems. In this role, you will lead ...

Should be able to clearly explain Java 11/17/21features and able to write sample code snippets. * JPA / Hibernate annotations * MQ or Kafka queue/implementation knowledge * Async Programming features ...

Citi is looking for a Senior Java Developer to design, build, and evolve enterprise-grade shared services that underpin high-volume, mission-critical financial systems. In this role, you will lead ...

Develop detailed programming specifications. * Write and/or generate application code. * Maintain ... Experience with Java and Oracle Application Development Framework (ADF) is considered an asset.

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Senior Java Developer

Toronto, ON · Hybrid

CA$120K - CA$145K/yr

About The Role As a Full Stack Java Developer you'll be tasked with working on web application development in Java and Spring Boot. Working within the software development team, your duties will ...

Senior Java Developer

Toronto, ON · On-site

CA$120K - CA$145K/yr

About The Role As a Full Stack Java Developer you'll be tasked with working on web application development in Java and Spring Boot. Working within the software development team, your duties will ...

New

AVP Senior Java Developer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

The Senior Java Developer is responsible for participation in the establishment and implementation of new or revised application systems and programs for CCC/MIP Trading in Fixed Income Trading ...

New

The Senior Java Developer is responsible for participation in the establishment and implementation of new or revised application systems and programs for CCC/MIP Trading in Fixed Income Trading ...

New

The Senior Java Developer is responsible for participation in the establishment and implementation of new or revised application systems and programs for CCC/MIP Trading in Fixed Income Trading ...

New

We are looking for a motivated Senior Java Developer (Engineer I) to join our Trading Risk Warehouse platform team within TD Securities. The successful candidate will contribute to the design ...

We are seeking a highly skilled and experienced Senior Java Engineer to join our dynamic team. The ideal candidate will be a hands-on developer with leadership quality, proficient in modern Java ...

We're currently looking for a high caliber professional to join our team as Senior Java Developer, Vice President. Cross Asset Margin technology teams actively develop and enhance set of strategic ...

Showing results 21-40

Senior Java Developer C2C information

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 key skills and qualifications needed to thrive as a senior Java developer C2C?

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 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 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:

Infographic showing various Senior Java Developer C2C job openings in Toronto, ON as of August 2026, with employment types broken down into 84% Full Time, 2% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution.

Senior Java Developer

Mississauga, ON • On-site

Citi
Banking and Credit Intermediation • 5 - 10K employees

CA$94K - CA$141K/yr

Full-time

Re-posted 18 hours ago


Citibank rating

8.4

Company rating: 8.4 out of 10

Based on 179 frontline employees who took The Breakroom Quiz


Job description

Role Overview: We are seeking a highly experienced and motivated Lead Java Developer with 6+ years of industry experience to spearhead the development of robust, scalable, and innovative enterprise applications. The ideal candidate will possess deep expertise in Java/J2EE and Spring Boot. This role demands a proven track record with strong technical problem-solving and root cause analysis abilities, relational databases such as Sybase and Oracle, exceptional team leadership skills, and a forward-thinking approach to integrating AI technologies into our solutions.

You will lead a team of junior developers, providing technical guidance, mentorship, and fostering a collaborative and high-performing environment. Key Responsibilities: Critical Incident Management & Resolution: Provide advanced technical support for escalated issues from production support team. During a production issue, act decisively to identify the root cause and deliver an effective solution.

Analyzes applications to identify risks, vulnerabilities, security issues and improve the system performance. Partners with appropriate development and production support areas to prioritize bug fixes and support tooling requirements. Active involvement in and ownership of Support Project items, covering Stability, Efficiency, and Effectiveness initiatives.

Ensure seamless integration between various system components and external services. Technical Leadership & Architecture: Lead the design, development, and implementation of complex Java/J2EE-based enterprise applications using Spring Boot. Define and enforce coding standards, best practices, and architectural patterns to ensure high-quality, maintainable, and scalable solutions.

Conduct code reviews, provide constructive feedback, and ensure adherence to security and performance standards. Act as a subject matter expert for Java technologies, providing technical direction and problem-solving expertise. Team Management & Mentorship: Lead, mentor, and guide a team of junior and mid-level developers, fostering their technical growth and career development.

Assign tasks, monitor progress, and ensure timely delivery of high-quality software. Promote a culture of collaboration, continuous improvement, and knowledge sharing within the team. Conduct performance reviews and provide regular feedback to team members.

Innovation & AI Integration: Lead initiatives to prototype and implement AI-driven solutions within existing or new applications. Stay abreast of emerging technologies and industry trends, particularly in Java and AI, to drive innovation. Required Qualifications: Experience: 5+ years of progressive experience in software development, with a significant focus on Java/J2EE enterprise applications.

Core Java: Strong proficiency in Java/J2EE, including advanced concepts like multithreading, concurrency, and data structures. Analytical Skills: Exceptional analytical and problem-solving skills, with a proven ability to dissect complex technical issues, identify root causes, and drive effective solutions in high-pressure production environments. Databases: In-depth knowledge and hands-on experience with relational databases, specifically Sybase and Oracle, including SQL, PL/SQL, database design, and performance tuning.

Frameworks: Expert-level knowledge and hands-on experience with Spring Boot, including Spring MVC, Spring Data, Spring Security, etc. Front-End/GUI: Demonstrated experience with modern GUI technologies (e.g., Angular, React, Vue.js) and associated web technologies (HTML5, CSS3, JavaScript, TypeScript). Leadership: Demonstrated experience in leading and mentoring development teams, with strong communication, interpersonal, and problem-solving skills

Tools: Experience with Git, Maven/Gradle, CI/CD pipelines (e.g., Jenkins), and cloud platforms is highly desirable. Education: Bachelor's or Master's degree in Computer Science, Engineering, or a related field. Preferred Qualifications: Experience with microservices architecture and containerization (Docker, Kubernetes)

Familiarity with messaging queues (e.g., Kafka, SOLACE). Experience with test-driven development (TDD) and behavior-driven development (BDD). Certifications in Java, Spring, Cloud, or AI technologies

------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location Full Time Salary Range: $94,300.00 - $141,500.00 ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ 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. ------------------------------------------------------ This job opening is for an existing job vacancy. ------------------------------------------------------ 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.


What Citibank employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom


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About Citigroup Inc

Sourced by ZipRecruiter

We live in an increasingly complex world. Companies these days are either born global or are going global at record speed. Business and geopolitics are forging an entirely new dynamic and consumers now expect financial services to be a seamless part of their digital lives. Citi is a bank that’s uniquely positioned for this moment. Through our vast global network and our on-the-ground expertise, we can connect the dots, anticipate change and empathize the needs of our clients and customers in ways that other banks simply cannot. Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. We have set expectations for how we must act to bring our mission to life. These expectations are at the heart of our Leadership Principles – we take ownership, we deliver with pride and we succeed together.

Industry

Banking and credit intermediation

Company size

5,001 - 10,000 Employees

Headquarters location

New York City, NY, US