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Added 2 months ago
G
Software Engineer, Full Stack
Gigi
Toronto, ON
- Full-time
We're hiring an AI Builder - a full stack software engineer - to join our engineering team in Toronto and own end-to-end feature development for Gigi, our AI agent.
Added 2 months ago
W
Software Engineer III/Senior Software Engineer (Full Stack)
Workday
Vancouver, BC
- Full-time
As a Full Stack Software Engineer in Agent Factory, you’ll help build the user-facing and platform experiences that bring Workday’s AI agents to life. Working within a small,…
Added 2 months ago
S
Backend Engineer – Data Ingestion & APIs, Kitchener, ON
Siemens
Kitchener, ON
- Full-time
About the role: Backend Engineer for Data Ingestion, APIs, and Connectors
Added 2 months ago
S
Backend Engineer – Workflow Execution and Orchestration, Kitchener, ON
Siemens
Kitchener, ON
- Full-time
About the role: Backend Engineer for Workflow Execution and Orchestration
Added 2 months ago
Java Developer
Capgemini
Montreal, QC
We're seeking a Java Engineer to join our Market Risk Technology team. In this role, you will develop and enhance the Market Risk Platform.
Added 1 month ago
C
Senior Java Developer – Vice President
Citi
Mississauga, ON
- Full-time
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…
Added 2 months ago
E
Staff Engineer, API Design & Governance
eBay
Toronto, ON
- Full-time
We are seeking a highly experienced Software Design Engineer to design and build scalable, high-performance systems & APIs that power seamless end-to-end customer experiences.
Added 2 months ago
T
Fullstack Engineer (Java)
TEKsystems
Toronto, ON
- $80 to $90 CAD / hour
- Contract
Proven expertise in object-oriented design and programming using Java/J2EE.
Added 2 months 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 2 months ago
TS
Java Developer
Triunity Software
Ottawa, ON · Ontario, ON
- $100,000 to $110,000 CAD / year
- Full-time
Design, develop, and maintain robust Java-based applications and backend services
Added 2 months ago
U
Senior Full Stack Engineer
UST
Toronto, ON
- Full-time
UST is searching for a Senior Full Stack Engineer with strong Front End expertise to help build and scale high‑impact digital platforms used by millions of users. This is an opportunity to…
Added 2 months ago
VC
Senior / Intermediate Full Stack Engineer (Backend-Leaning)
Valsoft Corporation
Remote, Canada
- Full-time
- Remote
…restaurant organizations that operate at scale. We’re looking for a backend-leaning Full Stack Engineer who enjoys solving meaningful product problems, designing thoughtful systems, and…
Added 2 months ago
S
Software Engineer II - Agentic AI Foundations
Socure
Toronto, ON
- $135,000 to $175,000 CAD / year
- Full-time
Proficiency in at least one modern backend programming language and ecosystem, such as Java, Go, Python, or similar, with comfort working with cloud-native infrastructure, APIs, and data…
Added 2 months ago
F
Senior Back End Engineer (Data Platform)
Forma.ai
Toronto, ON
- Full-time
As a Senior Engineer, Data Platform, you are expected to operate with strong ownership and sound technical judgment. This includes identifying risks in the work you own, surfacing edge…
Added 2 months ago
Software Development Engineer, Personnel Resource Manager
Amazon
Toronto, ON
The Worblehat team is looking for a Software Development Engineer to join our mission-critical platform that automates operational compliance across Amazon's global fulfillment network.…
Added 1 month ago
Senior Software Engineer - Metadata
Fivetran
ON
Proficiency in a modern backend or systems language such as Python, Java, C++, or C#
Added 2 months ago
VD
Senior Software Engineer - Database
VAST Data
Vancouver, BC
- Full-time
VAST Data is looking for a Senior Backend Software Engineer to help build the engine behind the next generation of scalable, AI-native data infrastructure. In this role, you will focus on…
Added 2 months ago
M
Senior Software Engineer - Brokerage Platform
moomoo
Remote, Canada
- Full-time
- Remote
Strong backend software development experience in one or more major programming languages such as Java, C++, Go, Python or similar languages.
Added 2 months ago
PI
Java Lead Engineer / Architect - Agentic AI
Princeton IT Services, Inc
Toronto, ON
- Full-time
We are seeking a highly experienced Java Lead Engineer / Architect to design and build next-generation distributed platforms focused on edge computing, backend services, and AI/ML…
Added 2 months ago
RB
Staff Engineer – Software Development, Architecture, Security & Governance
Royal Bank of Canada
Toronto, ON
- Full-time
We are seeking a highly skilled and experienced Staff Engineer to join our Enterprise Architecture team, leveraging their expertise in full-stack development, backend engineering, API…
Added 2 months ago
C
Full Stack Software Engineer
Citi
Mississauga, ON
- Full-time
We are hiring a Full Stack Engineer to design, build and maintain a critical Cash & Intraday Liquidity Management platform. This platform sits at the intersection of engineering ambition…
Added 3 months ago
E
Senior Backend Engineer, Entities
EvenUp
Toronto, ON
- $184,728 to $249,926 USD / year
- Full-time
This role operates at the intersection of backend engineering, LLM integration, and hands-on experimentation. You will collaborate with a multidisciplinary team of Data Scientists,…
Added 2 months ago
SS
Full Stack Software Engineer, Officer
State Street
Toronto, ON
- Full-time
Implement and maintain backend APIs and web UI components using Java, JavaScript/TypeScript, React, SQL, and related technologies
Added 2 months ago
R
Staff Engineer – Software Development, Architecture, Security & Governance
RBC
Toronto, ON
- Full-time
We are seeking a highly skilled and experienced Staff Engineer to join our Enterprise Architecture team, leveraging their expertise in full-stack development, backend engineering, API…
Added 3 months ago
GD
Senior Backend Engineer - App
Groupe Dynamite, Inc Garage
Mont-Royal, QC · Ville Mont-Royal, Quebec
- Full-time
…E-Commerce Product teams and be responsible for developing backend systems that power a modern E-commerce mobile app ecosystem. As an experienced Senior Engineer I, you will lead feature…

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: Aug 17, 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

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.

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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