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Senior Java/Scala Developer - Risk Infrastructure (Hybrid)
Morgan Stanley
Montreal, QC
Full-time
We’re seeking a Senior Java/Scala Developer to join the Optimus SDLC team and lead the evolution of Optimus within the broader Codetree ecosystem, which supports Morgan Stanley’s Fixed…
Senior Software Developer
GeoSpectrum Technologies, Inc
Dartmouth, NS
Full-time
GeoSpectrum is growing and has a new career opportunity for an experienced Senior Software Developer.
Senior Software Developer
Broadridge
Vancouver, BC
Full-time
Broadridge Trading and Connectivity Solutions (BTCS), is seeking an experienced senior software developer in the Vancouver area join the NYFIX development team at Broadridge with 8 or more…
Senior Staff Developer
Benevity
Toronto, Ontario
Benevity is seeking a talented Senior Staff Developer, who has an extensive record of hands-on Full Stack Development and Architecture experience. This role, reporting to the Director of…
Senior Staff Developer
Benevity
Calgary, Alberta
Benevity is seeking a talented Senior Staff Developer, who has an extensive record of hands-on Full Stack Development and Architecture experience. This role, reporting to the Director of…
Senior Staff Developer
Benevity
Vancouver, British Columbia
Benevity is seeking a talented Senior Staff Developer, who has an extensive record of hands-on Full Stack Development and Architecture experience. This role, reporting to the Director of…
Senior Backend Developer - Platform Identity and Entitlements
Coveo
Montreal, QC
Want to build backend systems that other developers rely on every day? As a Senior Backend Software Developer in the Platform Identity & Entitlements (PIE) team, you’ll work at the core of…
Senior Software Developer, API Platform
Miovision
Remote, Canada
$150,000 to $170,000 CAD / year
Full-time · Remote
…connects our entire product ecosystem. We are looking for a Senior Software Developer to lead the technical execution of our unified API gateway; the high-speed express lane that powers…
Senior Software Developer
Joblinxsapp
Toronto, ON
Full-time
Justice Technology Services is seeking three highly experienced Senior Software Developers to support the Criminal Justice Digital Design (CJDD) modernization program.
Senior Software Developer
Quantiphi
Canada
Full-time
Quantiphi is seeking a Senior Software Developer to design and build scalable, high-performance web applications using a modern Java-based stack. This role is ideal for someone who thrives…
Senior Software Developer
Quantiphi
Canada
Full-time
Quantiphi is seeking a Senior Software Developer to design and build scalable, high-performance web applications using a modern Java-based stack. This role is ideal for someone who thrives…
Senior Engineering Developer, Site reliability
National Bank of Canada
Montreal, QC
Full-time
a Senior Engineering Developer, Site reliability within the IT Delivery, Wealth
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,…
RQ11377 - Software Developer - Full Stack - Senior
Maarut
Toronto, ON
Contract
A senior full-stack software developer who will be
Senior Android Developer
BrainStation
Toronto, ON
$120,000 to $145,000 USD / year
Full-time
As a Senior Android Developer, you'll be tasked with developing Android applications. Working within the software development team, your duties will require you to assist in the development…
Senior Android Developer
Konrad
Toronto, ON
As a Senior Android Developer, you'll be tasked with developing Android applications. Working within the software development team, your duties will require you to assist in the development…
Java Full stack Developer
Pacer Group
Toronto, ON
$110,000 to $120,000 CAD / year
Full-time
8+ years of experience as a Senior Full Stack Java Developer with strong Java/J2EE expertise.
Added 1 day ago
Senior ServiceNow Developer
Brainhunter Systems Ltd
Toronto, ON
Contract
Brainhunter is currently seeking the services of a “Senior ServiceNow Developer ” for a contract opportunity with one of our Valued Clients.
Java Full Stack Developer - Assistant Vice President
Citi
Mississauga, ON
Full-time
The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application…
Java Full Stack Developer - Assistant Vice President
Citi
Remote, Canada
Full-time · Remote
The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application…
Senior Dotnet Developer
Lorven Technologies Inc.
Mississauga, ON
Contract
Leverage AI developer tools (e.g., GitHub Copilot, Claude, Cursor) effectively to accelerate development and improve engineering output.
Added 1 day ago
Senior Automation Developer
ProxyLink
Toronto, ON
$80 to $83 CAD / hour
Contract
ProxyLink is looking for a Senior Automation Developer to join an enterprise technology environment and play a key role in designing, developing, and implementing automated testing…
Senior CMS Developer
Tata Consultancy Services
Toronto, ON
$90,000 to $110,000 CAD / year
Full-time
Seeking an experienced CMS Technical Lead / Senior CMS Developer to own and support the current OpenText CMS platform while driving future CMS modernization initiatives. The role will lead…
Senior Software Developer – DevOps / Cloud
BITS Recruiting
Toronto, ON
$95 to $96 CAD / hour
Contract
We are seeking a Senior Software Developer with strong expertise in DevOps, Java, cloud technologies, microservices, and production support. The successful candidate will be responsible for…
Added 1 hour ago
Senior MuleSoft Integration Developer
Royal Bank of Canada
Toronto, ON
Full-time
We are seeking a Senior MuleSoft Integration Developer to design, develop, and maintain API-based integrations between Salesforce and enterprise systems. You will play a key role in…

Capgemini

Senior Core Java Engineer

Montreal, QC, Canada

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At a glance

Experience: 7+ years of experience in software development with a strong focus on Java.
Posting language: English
Posted: Aug 17, 2026

Responsibilities

Design, develop, and maintain high-performance, scalable Java-based enterprise applications and backend services. Collaborate with cross-functional teams to deliver technical solutions while mentoring junior developers and advocating for software engineering best practices.

Summarized from the listing. Check the original description for full details.

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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.

Apply About employer

More about this job

Summarized from the listing. Check the original description for full details.

Requirements

Requires a bachelor's degree in a related field and at least 7 years of professional software development experience. Candidates must possess strong expertise in Core Java, distributed systems, and modern backend technologies.

Skills

Core Java
Multithreading
Concurrency
JVM Performance Tuning
Spring Boot
REST APIs
Microservices
Hibernate
JPA
Oracle
PostgreSQL
Git
Docker
Kubernetes
Agile
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
Spring Boot
Microservices
RESTful APIs
Multithreading
JVM
Distributed Systems
Agile
Git
Docker
Kubernetes
Oracle
PostgreSQL
Cloud Computing
AWS
Azure
GCP
CI/CD
DevOps
Hibernate
JPA
Software Architecture
Backend Engineering
Linux
Unix
NoSQL
MongoDB
Cassandra
Kafka
RabbitMQ

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