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Added 4 hours ago
J
Application Security Engineer
Jobgether
Canada
- Full-time
…security of critical applications. You will also contribute to developer education and foster a culture of shared security ownership. This remote-first opportunity offers the chance to…
Added 4 hours ago
SM
RQ11660 – Software Developer – CRM – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking an experienced Senior Software Developer – CRM with strong expertise in Microsoft Dynamics 365, Microsoft Power Platform, Azure solution design, Dataverse, and custom…
Added 4 hours ago
Y
Site Reliability Engineer (Application Support)
Yochana
Calgary, AB
- Full-time
We are specifically looking for Developers or Core SRE Application Support professionals. This position is based in Calgary and follows a hybrid work model, requiring employees to work…
Added 4 hours ago
AS
Full Stack Developer
Apex Systems
Toronto, ON
- $55 to $67 USD / hour
- Contract
We are seeking an Expert Full Stack Developer to design, build, and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases, and cloud deployments.…
Added 4 hours ago
SP
Software Engineering LMTS
Salesforce Partner Canada
Vancouver, BC
- Full-time
Deep knowledge of object-oriented programming languages: Java, C++, Go, C#, Ruby, Scala, Python, Node.js, or JavaScript
Added 4 hours ago
P
Mid-Level Full Stack Engineer, New Verticals
Pepper
Remote, Canada
- $149,000 to $164,000 CAD / year
- Full-time
- Remote
Learn the core operations that keep independent distributors running: shadow ordering, pricing, collections, and sales motions, and turn what you learn into product.
Added 4 hours ago
CN
New Grad - Cyber Security Research Scientist/Engineer Talent Pool
Canadian Nuclear Laboratories
Fredericton, NB
- Full-time
Software development experience with at least one programming/scripting language (e.g., C, C++, C#, Java, Python, Perl).
Added 4 hours ago
S
Software Quality Assurance Analyst
SMARTFOX
Canada
- Full-time
Understanding of the software development lifecycle and core testing concepts (test cases, regression, severity vs. priority)
Added 4 hours ago
J
Application Security Engineer
Jobgether
Canada
- Full-time
…security of critical applications. You will also contribute to developer education and foster a culture of shared security ownership. This remote-first opportunity offers the chance to…
Added 4 hours ago
M
Senior Software Engineer
Microsoft
Vancouver, BC
- Full-time
Own the design and development of robust distributed systems that power core analytics experiences, making technical decisions across performance, scalability, reliability, and…
Added 4 hours ago
M
Principal Software Engineer
Microsoft
Vancouver, BC
- Full-time
The RTC Client & Core Media team develops foundational Real-Time Communications (RTC) technologies across mobile, web, desktop, and virtual desktop environments. Our team builds secure,…
Added 4 hours ago
Java Developer
Capgemini
Montreal, QC
Perform hands-on Core Java development for the design, implementation, and support of key components of the Market Risk platform.
Added 5 hours ago
Java Spark Developer
Capgemini
Montreal, QC
Build scalable backend services and distributed processing frameworks using Core Java and Apache Spark.
Added 5 hours ago
Senior Core Java Engineer
Capgemini
Montreal, QC
We are seeking a Senior Core Java Engineer to design, develop, and support high-performance, scalable enterprise applications. The ideal candidate will have strong expertise in Core Java,…
Added 5 hours ago
Java Developer
Capgemini
Montreal, QC
Hands-on core Java development with responsibilities for the design, implementation, and support of key components of the Market Risk platform.
Added 5 hours ago
Java Full Stack
Capgemini
Toronto, ON
6 to 8+ years of experience developing applications using both front-end and back-end technologies such as Angular, Node.js, Core Java, Spring, Spring Boot, and REST APIs.
Added 5 hours ago
Angular Developer
Capgemini
Mississauga, ON
Working knowledge of backend frameworks like Java Spring Boot or .NET Core."
Added 5 hours ago
Java Developer
Capgemini
Montreal, QC
Hands-on core Java development with responsibilities for the design, implementation, and support of key components of the Market Risk platform.
Added 5 hours ago
Angular or React Full Stack Developer - onsite Mississauga CA
Capgemini
Mississauga, ON
Proficiency in core web technologies including HTML5 and CSS3.
Added 5 hours ago
Java Delivery Manager
Capgemini
Montreal, QC
Core Java & Spring: Deep understanding of Java (8+), Spring Boot, Spring Cloud, and Microservices.
Added 5 hours ago
System Support Specialist (located at the Vancouver office)
JENOPTIK AG
Mississauga, ON
Understanding of core security principles: Confidentiality, Integrity, and Availability (CIA Triad).
Added 5 hours ago
C
Backend Java Developer
Citi
Mississauga, ON
- Full-time
…businesses. Our talented technology group is looking for a hands-on, java developer to work in a Mississauga based server side development team on our award winning Citi Velocity…

Capgemini

Senior Core Java Engineer

Montreal, QC, Canada

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Job details

Experience: 7+ years of experience in software development with a strong focus on Java.
Posting language: English
Posted: Sep 14, 2026

Original job description

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.

Job Description

We are seeking a Senior Core Java Engineer to design, develop, and support high-performance, scalable enterprise applications. The ideal candidate will have strong expertise in Core Java, distributed systems, backend engineering, and software design principles.

Key Responsibilities:
Design, develop, test, and maintain robust, scalable, and highly available Java-based applications.
Develop backend services, APIs, and microservices to support business-critical applications.
Participate in system architecture, technical design, and code reviews to ensure high-quality deliverables.
Optimize application performance, scalability, reliability, and security.
Troubleshoot production issues and implement sustainable solutions.
Collaborate with product owners, business stakeholders, architects, and development teams to deliver technical solutions aligned with business objectives.
Contribute to Agile development processes, including sprint planning, estimation, and retrospectives.
Advocate and implement software engineering best practices, coding standards, and development frameworks.
Mentor and guide junior developers, fostering technical growth and knowledge sharing.
Stay current with emerging technologies and recommend improvements to existing systems and processes.

Required Qualifications:
Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
7+ years of experience in software development with a strong focus on Java.
Strong expertise in Core Java, object-oriented programming, multithreading, collections, concurrency, and JVM internals.
Experience designing and developing enterprise-scale applications and distributed systems.
Strong understanding of software design patterns, data structures, and algorithms.
Experience building RESTful APIs and service-oriented architectures.
Strong knowledge of relational databases such as Oracle, SQL Server, PostgreSQL, or MySQL.
Experience with version control tools such as Git.
Familiarity with Linux/Unix environments and scripting.
Strong debugging, troubleshooting, and performance tuning skills.
Excellent communication, analytical, and problem-solving abilities.

Preferred Qualifications:
Experience with Spring Boot, Spring Framework, and microservices architecture.
Experience with messaging technologies such as Kafka, RabbitMQ, or JMS.
Familiarity with containerization technologies such as Docker and Kubernetes.
Exposure to cloud platforms including AWS, Azure, or Google Cloud Platform (GCP).
Experience with CI/CD pipelines and DevOps practices.
Knowledge of NoSQL databases such as MongoDB, Cassandra, or DynamoDB.
Experience working in highly regulated or large-scale enterprise environments.

Technical Skills:
Core Competencies:
Core Java (Java 8/11/17+)
Multithreading & Concurrency
Collections Framework
JVM Performance Tuning
Object-Oriented Design
Data Structures & Algorithms
Design Patterns

Backend Technologies:
Spring Boot
REST APIs
Microservices
Hibernate/JPA
Messaging Frameworks

Databases:
Oracle
SQL Server
PostgreSQL
MySQL
MongoDB (Preferred)

Tools & Platforms:
Git
Jenkins
Maven/Gradle
Docker
Kubernetes
Linux/Unix
AWS/Azure/GCP

Experience:
7+ years of professional software engineering experience
Proven experience building, deploying, and supporting large-scale enterprise applications.
Demonstrated success in delivering high-quality solutions in Agile environments.

The base compensation range for this role in the posted location is: 80,000 - 90,000.

Capgemini provides compensation range information in accordance with applicable national, state, provincial, and local pay transparency laws. The base compensation range listed for this position reflects the minimum and maximum target compensation Capgemini, in good faith, believes it may pay for the role at the time of this posting. This range may be subject to change as permitted by law.

The actual compensation offered to any candidate may fall outside of the posted range and will be determined based on multiple factors legally permitted in the applicable jurisdiction.

These may include, but are not limited to: Geographic location, Education and qualifications, Certifications and licenses, Relevant experience and skills, Seniority and performance, Market and business consideration, Internal pay equity.

It is not typical for candidates to be hired at or near the top of the posted compensation range.

In addition to base salary, this role may be eligible for additional compensation such as variable incentives, bonuses, or commissions, depending on the position and applicable laws.

Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time employees. In the U.S. and Canada, available benefits are determined by local policy and eligibility and may include:

Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave

Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)
Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
Life and disability insurance
Employee assistance programs
Other benefits as provided by local policy and eligibility

Important Notice: Compensation (including bonuses, commissions, or other forms of incentive pay) is not considered earned, vested, or payable until it becomes due under the terms of applicable plans or agreements and is subject to Capgemini’s discretion, consistent with applicable laws. The Company reserves the right to amend or withdraw compensation programs at any time, within the limits of applicable legislation.

Disclaimers

Capgemini is an Equal Opportunity Employer encouraging inclusion in the workplace. Capgemini also participates in the Partnership Accreditation in Indigenous Relations (PAIR) program which supports meaningful engagement with Indigenous communities across Canada by promoting fairness, accessibility, inclusion and respect. We value the rich cultural heritage and contributions of Indigenous Peoples and actively work to create a welcoming and respectful environment. 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 accommodation does not pose an undue hardship. Capgemini is committed to providing reasonable accommodation during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact.

Please be aware that Capgemini may capture your image (video or screenshot) during the interview process and that image may be used for verification, including during the hiring and onboarding process.

Click the following link for more information on your rights as an Applicant in the United States. http://www.capgemini.com/resources/equal-employment-opportunity-is-the-law

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.

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More about this job

Responsibilities

The Senior Core Java Engineer will design, develop, and maintain high-performance, scalable enterprise applications and backend services. They will also collaborate with cross-functional teams to implement technical solutions and mentor junior developers.

Requirements

Candidates must have a bachelor's degree in a relevant field and at least 7 years of professional software development experience with a focus on Java. Strong expertise in object-oriented programming, distributed systems, and database management is required.

Skills

Core Java
Multithreading
Concurrency
JVM internals
Distributed systems
Backend engineering
RESTful APIs
Microservices
Spring Boot
SQL
Git
Linux
Agile
Software design patterns
Performance tuning
Cloud platforms

Benefits

Paid time off
Company paid holidays
Personal days
Sick leave
Medical coverage
Dental coverage
Vision coverage
Retirement savings plans
Life insurance
Disability insurance
Employee assistance programs

Visa sponsorship

Not detected in the job text

Keywords

Core Java
Java 17
Multithreading
Concurrency
JVM
Spring Boot
Microservices
REST APIs
Hibernate
JPA
Oracle
PostgreSQL
MySQL
Git
Jenkins
Maven
Docker
Kubernetes
Linux
AWS
Azure
GCP
Agile
Software design patterns
Data structures
Algorithms
CI/CD
DevOps
NoSQL
Enterprise applications

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