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Added 9 days ago
MC
Senior Software Engineer - Brokerage Platform
Moomoo Canada
Toronto, ON · North York, ON
- Full-time
Strong backend software development experience in one or more major programming languages such as Java, C++, Go, Python or similar languages
Added 9 days ago
HS
Senior Software Engineer
Henry Schein Canada
Surrey, BC
- Full-time
Strong experience with Java and modern object-oriented software development
Added 9 days ago
HS
Senior Software Engineer
Henry Schein
Surrey, BC
- Full-time
Strong experience with Java and modern object-oriented software development
Added 9 days ago
Senior Software Engineer
EarnIn
Vancouver, BC
At EarnIn, working with AI is expected, not optional. This is a backend engineering role, not an AI engineering role, but we expect you to use AI-assisted development and agentic workflows…
Added 9 days ago
E
Senior Software Engineer
EarnIn
Vancouver, BC
- Full-time
At EarnIn, working with AI is expected, not optional. This is a backend engineering role, not an AI engineering role, but we expect you to use AI-assisted development and agentic workflows…
Added 9 days ago
I
Winter 2027: Software Developer Co-op, Front End (8 months)
Intuit
Toronto, ON
- Internship
Work across the stack: Use Java and cloud-based APIs to integrate front-end and mobile experiences with backend services.
Added 9 days ago
O
Senior Software Developer (Bilingual)
OpenText
Ottawa, ON
- Full-time
We are looking for a Senior Backend Software Developer to join our development team at OpenText. Our team builds and evolves a public, multi-tenant Software-as-a-Service (SaaS) cloud…
Added 9 days ago
O
Sr. Software Developer (Bilingual)
OpenText
Ottawa, ON
- Full-time
We are looking for a Senior Backend Software Developer to join our development team at OpenText. Our team builds and evolves a public, multi-tenant Software-as-a-Service (SaaS) cloud…
Added 9 days ago
O
Sr. Software Developer (Bilingual)
OpenText
Richmond Hill, ON
- Full-time
We are looking for a Senior Backend Software Developer to join our development team at OpenText. Our team builds and evolves a public, multi-tenant Software-as-a-Service (SaaS) cloud…
Added 9 days ago
OP
Associate Software Engineer - Full Stack
Ontario Power Generation
Oshawa, ON
- Full-time
Full-stack development experience with a primary strength in backend development; practical exposure to Angular or React is required to support effective collaboration across the full stack.
Added 9 days ago
T
Java Software Engineer
Tekshapers
Toronto, ON
- Full-time
Stay current with emerging technologies, including AI-assisted development and developer experience platforms, and evaluate how they can improve quality and productivity.
Added 10 days ago
C
Full Stack Senior Engineering Lead - Inventory Orchestration
Citi
Mississauga, ON
- Full-time
…microservice-based architectures. This role will collaborate extensively with developers and architects across our Inventory Orchestration teams. The overall objective is to spearhead…
Added 10 days ago
T
Senior Automated Test Developer (Contract Until March 2028)
TVO
Toronto, ON
- Full-time
…journalism, documentaries, current affairs programming, and podcasts with TVO Today that help Ontarians understand the issues shaping their…
Added 10 days ago
TG
Analyst, Market Insights Intern
TMX Group
Toronto, ON
- $25 to $29 CAD / hour
- Full-time
Experience with languages such as Java, C++ and JavaScript
Added 10 days ago
M
Software Engineer -Data Processing Backend
Morningstar
Toronto, ON
- Full-time
Familiarity with AI-assisted software development tools such as GitHub Copilot, ChatGPT, or equivalent solutions, and an understanding of how to use them effectively and responsibly in…
Added 10 days ago
C
Senior Java API Developer (Spring Boot / AWS / Kafka)
CGI
Halifax, NS
- Full-time
CGI is seeking an experienced Senior Java API Developer to join our team and contribute to the design, development, and modernization of secure, scalable enterprise applications. In this…
Added 10 days ago
JA
Technical Specialist, Senior - Vital Software
JR Automation
Toronto, ON
- Full-time
The Senior Software Technical Specialist leads the design, development, integration, and testing of complex operationally critical and safety-critical software systems within the railway…
Added 10 days ago
JA
System Design Specialist, Intermediate
JR Automation
Toronto, ON
- Full-time
Angular, TypeScript, WebSockets, Java-based back-end development.
Added 10 days ago
JA
Software Architect - Vital Software
JR Automation
Toronto, ON
- Full-time
Knowledge of Angular, TypeScript, WebSockets, and Java-based backend development.
Added 10 days ago
Senior QA Engineer
Konrad
Toronto, ON
…into complex digital products across web, mobile, API, and backend systems. You will combine strong software engineering and test automation skills with modern AI-assisted development and…
Added 10 days ago
QA Architect
Konrad
Toronto, ON
In this role, you will work closely with QA Leads, Solutions Architects, Software Engineers, and Product Executives to establish technical quality standards, QA strategies, test automation…
Added 10 days ago
SC
Senior Developer
SAP Careers
Montreal, QC
- $108,100 to $222,800 CAD / year
- Full-time
We are looking for a dynamic and motivated Senior Software Developer who embrace AI-assisted software development as part of their everyday engineering practice to join our engineering…
Added 11 days ago
FG
Software Developer | Banking & Capital Markets
FDM Group
Toronto, ON
- Contract
Collaborate with business stakeholders, architects, QA, and DevOps teams across the development lifecycle.
Added 11 days ago
C
Java Developer - Assistant Vice President
Citi
Mississauga, ON
- Full-time
As a Senior Java Backend Developer, you will design and build high-performance backend services that power large-scale data processing applications at Citi. You'll apply modern Java and…
Added 11 days ago
SI
Senior Developer
SAP IT Business Systeme
Montreal, QC
- $108,100 to $222,800 CAD / year
- Full-time
We are looking for a dynamic and motivated Senior Software Developer who embrace AI-assisted software development as part of their everyday engineering practice to join our engineering…

CGI

Senior Java API Developer (Spring Boot / AWS / Kafka)

Halifax, NS, Canada

Full-time

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Job details

Job type: Full-time
Apply by: Nov 28, 2026
Experience: 8+ years of hands-on software development experience, with strong expertise in Java backend development.
Posting language: English
Posted: Oct 29, 2026

Original job description

Position Description

CGI is seeking an experienced Senior Java API Developer to join our team and contribute to the design, development, and modernization of secure, scalable enterprise applications. In this role, you will build high-performance REST APIs and backend services using Java, Spring Boot, Kafka, and AWS while supporting mission-critical applications in production environments. Working closely with architects, developers, and cross-functional teams, you will contribute to API architecture, cloud-native development, and continuous improvement initiatives while providing technical guidance and mentorship.

This is a full-time permanent opportunity.

Your future duties and responsibilities

Design, develop, test, and maintain scalable REST APIs and enterprise backend services using Java and Spring Boot.
Develop microservices and enterprise applications using Spring MVC, Spring Core, and modern Java frameworks.
Implement event-driven integrations and asynchronous messaging solutions using Kafka.
Contribute to domain-driven API design, Swagger/OpenAPI documentation, and API lifecycle management.
Develop, deploy, and support cloud-native applications hosted on AWS.
Build automated unit and integration tests using JUnit, Cucumber, REST Assured, or similar frameworks.
Support CI/CD pipelines, containerized deployments, and development workflows using Jenkins, Maven, Docker, and Git.
Troubleshoot complex production issues while improving application performance, scalability, availability, and reliability.
Collaborate with architects, developers, QA teams, and stakeholders to deliver high-quality software solutions.
Participate in code reviews, mentor team members, and promote software development best practices.

Required Qualifications To Be Successful In This Role

Bachelor's or Master's degree in Computer Science, Software Development, or a related discipline, or equivalent practical experience.
8+ years of hands-on software development experience, with strong expertise in Java backend development.
Strong proficiency in Java 17 or Java 21, Spring Boot, Spring MVC, and Spring Core.
Extensive experience designing and developing REST APIs and enterprise backend services.
Hands-on experience with Apache Kafka and event-driven application architectures.
Experience with domain-driven API design, Swagger/OpenAPI, and API lifecycle management.
Experience developing, deploying, or supporting applications in AWS cloud environments.
Experience with automated testing frameworks such as JUnit, Cucumber, or REST Assured.
Experience with CI/CD tools and development workflows, including Jenkins, Maven, Docker, and Git.
Experience supporting high-volume, mission-critical production applications.
Strong understanding of application scalability, availability, monitoring, and performance optimization.
Excellent analytical, troubleshooting, communication, and collaboration skills.

Assets

The following qualifications would be considered assets:

Experience with Splunk or similar monitoring and log aggregation platforms.
Familiarity with AI-assisted development tools such as GitHub Copilot.
Experience mentoring developers and contributing to technical standards and process improvements.

CGI is providing a reasonable estimate of the pay range for this role. The determination of this range includes factors such as skill set level, geographic market, experience and training, and licenses and certifications. Compensation decisions depend on the facts and circumstances of each case. A reasonable estimate of the current range is $65,000 - $125,000 CAD. This is an existing vacancy.

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

At CGI, we value the strength that diversity brings and are committed to fostering a workplace where everyone belongs. We collaborate with our clients to build more inclusive communities and empower all CGI partners to thrive. As an equal-opportunity employer, being able to perform your best during the recruitment process is important to us. If you require an accommodation, please inform your recruiter.

That same commitment to fairness extends to how we use technology. To support our recruitment team, AI tools may be used to help assess applications though they never replace human judgement. All hiring decisions remain entirely in the hands of our recruitment professionals.

To learn more about accessibility at CGI, contact us via email. Please note that this email is strictly for accessibility requests and cannot be used for application status inquiries.

Come join our team - one of the largest IT and business consulting services firms in the world.

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More about this job

Responsibilities

Design, develop, test, and maintain scalable REST APIs, backend services, and microservices using Java and Spring, including event-driven integrations with Kafka and cloud-native applications on AWS. Support production systems and CI/CD workflows, improve application performance and reliability, collaborate across teams, and contribute through code reviews and mentorship.

Requirements

Requires a bachelor's or master's degree in computer science, software development, or a related discipline, or equivalent practical experience, and 8 or more years of software development experience. Candidates should have strong Java and Spring expertise, experience with REST APIs, Kafka, AWS, automated testing, CI/CD tools, and mission-critical production applications, along with strong troubleshooting and collaboration skills.

Skills

Java
Spring Boot
Spring MVC
Spring Core
REST API Development
Apache Kafka
AWS
Microservices
Domain-Driven API Design
Swagger/OpenAPI
JUnit
Cucumber
REST Assured
Jenkins
Docker
Git

Visa sponsorship

Not detected in the job text

Keywords

Java 17
Java 21
Spring Boot
Spring MVC
Spring Core
REST APIs
Backend Services
Microservices
Apache Kafka
Event-Driven Architecture
AWS
Cloud-Native Development
Domain-Driven API Design
Swagger
OpenAPI
API Lifecycle Management
JUnit
Cucumber
REST Assured
CI/CD
Jenkins
Maven
Docker
Git
Production Support
Performance Optimization
Splunk
GitHub Copilot
Mentoring
IT Consulting

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