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Java Senior Developer Canada Jobs

55 Job Offers

Senior Java Developer
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Join Citi's acclaimed Technology team as a Senior Java Developer in Mississauga. Leverage your 4+ years of Java expertise with Spring Boot, Kafka, and Kubernetes to build critical financial systems. You will drive the full development lifecycle, from analysis to implementation, in a high-visibili...
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Location
Canada , Mississauga
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Salary
94300.00 - 141500.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Java Developer - Risk
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Seeking a Senior Java Developer for Risk Systems in Mississauga. This role focuses on building strategic, low-latency applications using Java, Microservices, and Cloud (AWS/OpenShift). Ideal candidates have 5+ years of Java, Spring Boot, and modern architecture experience. Join a global team to d...
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Location
Canada , Mississauga
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Salary
94300.00 - 141500.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Java Developer Fixed Income
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Join our Fixed Income Data Platform Team in Mississauga as a Senior Java Developer. You will build a next-generation, low-latency platform using Java, Apache Flink, Kafka, and LLMs. This role involves designing high-performance systems for quantitative scientists and traders. We seek a passionate...
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Location
Canada , Mississauga
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Salary
94300.00 - 141500.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Java Developer
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Location
Canada , Mississauga
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Salary
94300.00 - 141500.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Full Stack Java Developer
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Join Citi in Mississauga as a Senior Full Stack Java Developer. You will design and build web applications using Java, Spring Boot, and modern front-end technologies like ReactJS. This role requires strong expertise in microservices, RESTful APIs, and both SQL/NoSQL databases. Collaborate with a ...
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Location
Canada , Mississauga
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Salary
94300.00 - 141500.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Full Stack Java Developer
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Lead the technical direction for mission-critical web applications as a Senior Full Stack Java Developer in Mississauga. This leadership role requires deep expertise in Java, Spring Boot, microservices, and modern front-end technologies like React. You will architect robust systems, mentor a tale...
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Location
Canada , Mississauga
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Salary
94300.00 - 141500.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Java Developer
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Join our team in Mississauga as a Senior Java Developer. Lead application systems analysis and programming using Java, Spring Boot, and DevOps principles. You will design CI/CD pipelines with Tekton/Jenkins in an OpenShift environment. This role emphasizes event-driven architecture and agile deve...
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Location
Canada , Mississauga
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Salary
120800.00 - 170800.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Java Full Stack Senior Developer
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Join our team in Mississauga as a Senior Java Full Stack Developer. You will design and build robust applications using Java, Node.js, Python, and modern frameworks like React or Angular. Your role includes developing microservices, implementing CI/CD pipelines with Tekton, and managing deploymen...
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Location
Canada , Mississauga
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Salary
120800.00 - 170800.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Full Stack Java Developer
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Join our team in Mississauga as a Senior Full Stack Java Developer. This role requires 5+ years of experience designing microservices with Java, Spring Boot, and Hibernate. You will develop high-performance APIs and work with both RDBMS and NoSQL databases like MongoDB. Utilize your expertise in ...
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Location
Canada , Mississauga
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Salary
94300.00 - 141500.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Java and Scala Developer
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Join our Fixed Income Data team in Mississauga as a Senior Java/Scala Developer. Design high-performance APIs and microservices for a cutting-edge, large-scale data platform using Kafka and cloud-native tech. Leverage your 3-5 years of experience in Spring Boot and distributed systems within fina...
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Location
Canada , Mississauga
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Salary
94300.00 - 141500.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Java Developer
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Join our Fixed Income Data team in Mississauga as a Senior Java Developer. Design and implement high-performance, scalable API services and microservices using Java, Spring Boot, and big data platforms like Kafka. Leverage your 3-5 years of experience in distributed systems and low-latency data a...
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Location
Canada , Mississauga
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Salary
Not provided
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Citi
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Until further notice
Senior Backend Java Developer
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Join our Mississauga team as a Senior Backend Java Developer. You will build high-performance, low-latency banking APIs using Java, Spring Boot, and both Oracle and MongoDB databases. This role involves mentoring, solving complex problems, and designing scalable systems. We offer global benefits ...
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Location
Canada , Mississauga
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Salary
94300.00 - 141500.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Java Full Stack Senior Developer
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Join our team in Mississauga as a Senior Java Full Stack Developer. You will design and implement scalable, low-latency microservices using Java, Spring Boot, and OpenShift. This role requires expertise in both RDBMS (Oracle) and NoSQL (MongoDB) databases. Contribute to the full development lifec...
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Location
Canada , Mississauga
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Salary
94300.00 - 141500.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Java Developer
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Lead complex application development and system design as a Senior Java Developer in Toronto. This senior role requires 6+ years of expertise in Java, Microservices, Cloud, and API development. You will drive high-impact projects, ensuring architectural adherence and seamless integration. Demonst...
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Location
Canada , Toronto
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Salary
120800.00 - 170800.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Java Backend Developer
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Join Citi's Banking Technology as a Senior Java Backend Developer in Mississauga. Leverage your 5+ years with Java, Spring Boot, and microservices to build innovative platforms. You'll design strategic solutions using Kafka, MongoDB, and modern DevOps practices within an agile, collaborative glob...
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Location
Canada , Mississauga
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Salary
94300.00 - 141500.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice

About the Java Senior Developer role

Are you an experienced software engineer ready to architect the future of enterprise technology? Your search for challenging and rewarding Java Senior Developer jobs ends here. A Java Senior Developer is a pivotal technical leader responsible for designing, building, and maintaining the high-performance, scalable applications that power modern businesses. This role transcends basic coding; it is a strategic position that blends deep technical expertise with architectural vision and team leadership.

Professionals in these roles are typically entrusted with the end-to-end delivery of complex software solutions. Common responsibilities include leading the design and implementation of robust, secure, and scalable applications, often leveraging microservices architectures. They are hands-on experts who write high-quality, well-documented, and maintainable code, but their impact is far broader. Senior Java Developers conduct rigorous code reviews, mentor junior and mid-level engineers, and instill best practices across the development team. They are key collaborators, working closely with cross-functional teams including product managers, business analysts, and architects to translate business requirements into technical specifications and drive projects from conception to deployment.

The technical skill set for these jobs is comprehensive and modern. A deep, practical mastery of Core Java (Java 8 and above) is fundamental, coupled with extensive experience in the Spring ecosystem, particularly Spring Boot and Spring Cloud for building microservices. Expertise in designing and consuming RESTful APIs is standard. Today's Senior Java Developer is also expected to be proficient with a suite of supporting technologies that define contemporary development: containerization with Docker, orchestration with Kubernetes, message brokers like Kafka for event-driven systems, and both relational (e.g., Oracle, PostgreSQL) and NoSQL (e.g., MongoDB) databases. Familiarity with ORM tools such as JPA/Hibernate and a strong command of build tools like Maven or Gradle are also common requirements.

Beyond pure technical acumen, success in these jobs demands a mindset of continuous improvement and leadership. Senior Developers are advocates for Agile methodologies and CI/CD practices, utilizing tools like Jenkins and Git to ensure efficient and reliable software delivery. They are expected to have a strong grasp of software design patterns, clean code principles, and Test-Driven Development (TDD) using frameworks like JUnit and Mockito. Excellent problem-solving skills, the ability to troubleshoot complex system issues, and clear communication with both technical and non-technical stakeholders are indispensable soft skills.

If you are a seasoned developer passionate about building enterprise-grade solutions, mentoring talent, and driving technological innovation, exploring Java Senior Developer jobs is your next strategic career move. Discover opportunities where your expertise will shape robust digital infrastructures and lead transformative projects.