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Sr Java Developer

Job in Mississauga, Ontario, Canada
Listing for: Capgemini
Full Time position
Listed on 2026-09-05
Job specializations:
  • Software Development
    Java Developer, Backend Developer, Cloud Engineer - Software, Software Engineer
Job Description & How to Apply Below
We are seeking a highly skilled Java Developer with strong expertise in Java, Spring Boot, Microservices, and Cloud Technologies. The ideal candidate will be responsible for designing, developing, and maintaining scalable enterprise applications while leveraging cloud platforms such as AWS, Azure, or Google Cloud Platform (GCP). The candidate should possess excellent problem-solving skills, a strong understanding of software development best practices, and experience in building robust distributed systems.

Key Responsibilities:

Design, develop, and maintain high-performance Java-based applications.
Build RESTful APIs and microservices using Spring Boot and Spring Cloud.
Develop scalable and secure cloud-native applications.
Collaborate with product owners, architects, and cross-functional teams to define and deliver technical solutions.
Implement containerization and orchestration using Docker and Kubernetes.
Participate in application architecture, design reviews, and code reviews.
Troubleshoot production issues and optimize application performance.
Integrate applications with databases, messaging systems, and third-party services.
Implement CI/CD pipelines and Dev Ops best practices.
Ensure adherence to coding standards, security policies, and software quality processes.
Required Technical

Skills:

Core Java   Object-Oriented Programming (OOP)
Collections Framework
Multithreading & Concurrency
JVM Performance Tuning
Spring Ecosystem   Spring Boot
Spring MVC
Spring Data JPA
Spring Security
Spring Cloud
Hibernate/JPA
Microservices   REST API Development
API Gateway
Service Discovery
Life at Capgemini  Capgemini supports all aspects of your well-being throughout the changing stages of your life and career. For eligible employees, we offer:
Healthcare including dental, vision, mental health, and well-being programs
Financial well-being programs such as 401(k) and Employee Share Ownership Plan
Paid time off and paid holidays
Paid parental leave
Family building benefits like adoption assistance, surrogacy, and cryopreservation
Social well-being benefits like subsidized back-up child/elder care and tutoring
Mentoring, coaching and learning programs
Employee Resource Groups
Disaster Relief
About Capgemini  Capgemini is a global leader in partnering with companies to transform and manage their business by harnessing the power of technology. The Group is guided everyday by its purpose of unleashing human energy through technology for an inclusive and sustainable future. It is a responsible and diverse organization of over 360,000 team members in more than 50 countries. With its strong 55-year heritage and deep industry expertise, Capgemini is trusted by its clients to address the entire breadth of their business needs, from strategy and design to operations, fueled by the fast evolving and innovative world of cloud, data, AI, connectivity, software, digital engineering and platforms.

The Group reported in 2022 global revenues of €22 billion.
Get The Future You Want |
Disclaimer  Capgemini is an Equal Opportunity Employer encouraging diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.
This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodations do not pose an undue hardship.
Capgemini is committed to providing reasonable accommodations during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact.
Click the following link for more information on your rights as an Applicant
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