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Added 3 days ago
Full Stack Engineering - Securities Financing
HSBC Global Services Limited
Toronto, ON
Build backend services using core Java (Java 17 or 21) with Spring Boot or Spring Framework
Added 4 days ago
Java Developer
Spruce InfoTech Inc.
ON · Ontario, Canada
Contract
6+ years of experience in designing and developing enterprise-grade full-stack applications using Java 8+, Spring Boot, Microservices, Angular, REST/SOAP web services, GraphQL, and…
Added 4 days ago
Java MS developer
Tata Consultancy Services
Mississauga, ON
$100,000 to $130,000 CAD / year
Full-time
Java 17, (Java 8 features - must have), Microservice, Spring boot, Rest API, Spring Security,
Added 4 days ago
Spécialiste DevOps / DevOps Specialist (Signature)
Portage CyberTech
Montreal, QC
Full-time
Outils de développement et de qualité du code : Maven, SonarQube et connaissance des microservices Java/Spring Boot
Added 4 days ago
Java Technical Lead
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Toronto, ON
Full-time
Skills: Amazon Web Service (AWS) Cloud Computing:Java Full stack, Python, Spring Boot, Angular, AWS, REST API
Added 4 days ago
Senior Java Technical Lead
Net2Source (N2S)
Toronto, ON
Contract
Skills: Digital : Amazon Web Service(AWS) Cloud Computing~Java Full stack, Python, Spring Boot, Angular, AWS, REST API
Added 4 days ago
Senior Java Technical Lead
J&M Group
Toronto, ON
Contract
Design, develop, and maintain enterprise-grade applications using Java, Spring Boot, and Microservices architecture.
Added 4 days ago
Java Full Stack AI Developer
LanceSoft, Inc.
Montreal, QC
$70 to $75 CAD / hour
Contract
We are seeking an experienced Java Full Stack Developer with strong expertise in Java, Spring Boot, Angular, Microservices, REST APIs, and AI/GenAI technologies. The ideal candidate will…
Added 4 days ago
Tech Consultant - Senior Full-Stack Engineer
NTT DATA North America
Vancouver, BC
Other
Develop scalable backend services using Java/Spring Boot or .NET/.NET Core.
Added 4 days ago
Senior Java Technical Lead
Net2Source (N2S)
Toronto, ON
Contract
Skills: Digital : Amazon Web Service(AWS) Cloud Computing~Java Full stack, Python, Spring Boot, Angular, AWS, REST API
Added 4 days ago
Senior Java Software Engineer
Jobility Talent Solutions
Toronto, ON
Contract
We are seeking an experienced Java Developer with a strong background in Capital Markets to join a high-performing eTrading team. The ideal candidate will have extensive hands-on experience…
Added 4 days ago
Full Stack Java Developer
Astek
Montreal, QC
Full-time
Strong working knowledge of core Java and Spring frameworks, including spring-boot, etc.
Added 4 days ago
Senior Java Software Engineer
TSR Consulting
Mississauga, ON
Contract
TSR Consulting is currently seeking a highly motivated Java Full Stack/ Java Backend Developer for an opportunity in Mississauga, ON Hybrid
Added 4 days ago
Senior Java Fullstack Developer
TSR Consulting
Mississauga, ON
Contract
We are seeking a Senior Software Engineer - Java - Senior (C13), Full Stack to join our dynamic team. The ideal candidate will have strong experience in Java, Spring Boot, Spring Cloud, and…
Added 4 days ago
Full Stack Engineer
TSR Consulting
Mississauga, ON
$70 to $75 CAD / hour
Contract
The ideal candidate will have strong hands-on experience developing Java/Spring Boot microservices, building modern enterprise web applications using Angular or React, and integrating…
Added 4 days ago
IBM MDM Data Developer
UniSysTech Consulting
Toronto, ON · Greater Toronto Area, Canada
$70 to $80 CAD / hour
Contract
Strong hands-on experience with Java, Spring Boot, REST APIs, and microservices architecture.
Added 4 days ago
Lead Java Developer
TSR Consulting
Mississauga, ON
Contract
Java (11+ preferred), Spring Boot, Spring Cloud
Added 4 days ago
Lead Développeur Java Spring Boot (Senior)
SII Canada
Montreal, QC
Full-time
Expérience significative avec Spring Boot et le framework Spring.
Added 5 days ago
Software Engineer
aivra.health
Toronto, ON
$100,000 to $160,000 CAD / year
Full-time
React, Angular, Node.js, .NET, or Spring Boot.
Added 4 days ago
Lead Développeur Java Spring Boot (Senior)
Groupe SII
Montreal, QC
Full-time
Expérience significative avec Spring Boot et le framework Spring.
Added 5 days ago
Java/AI Software Engineer
Aptonet
Vancouver, BC
Full-time
Developed Java Spring Boot microservices supporting AI applications
Added 5 days ago
Integration Lead – Java Spring Boot (35670)
Myticas Consulting
ON · Ontario, Canada
Contract
We are seeking an experienced Integration Lead – Java / Spring Boot to lead the design, development, and delivery of scalable enterprise integration solutions.
Added 5 days ago
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 5 days ago
Sr Java full stack Developers
Cyber Space Technologies LLC
Montreal, QC
Contract
We are looking for an experienced Senior Java Full Stack Developer to join our development team in Montreal. The ideal candidate will have strong hands-on experience in Java, Spring Boot,…
Added 5 days ago
Java Technical Lead
QUANTEAM - North America (RAINBOW PARTNERS Group)
Montreal, QC · Greater Montreal Metropolitan Area
Full-time
Experience with Spring Boot and Spring Framework.

Cyber Space Technologies LLC

Sr Java full stack Developers

Montreal, QC, Canada

Job type: Contract
Apply by: Oct 15, 2026
Experience: 10+ years of professional software development experience.
Posting language: English
Posted: Sep 15, 2026

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Original job description

Senior Java Full Stack Developer

Location: Montreal, QC, Canada

Work Model: Hybrid

Employment Type: Full-Time

Job Overview

We are looking for an experienced Senior Java Full Stack Developer to join our development team in Montreal. The ideal candidate will have strong hands-on experience in Java, Spring Boot, Microservices, REST APIs, and modern front-end technologies. You will be responsible for designing, developing, testing, and deploying scalable enterprise applications while collaborating with product owners, architects, QA engineers, and other development teams.

Key Responsibilities

Design, develop, and maintain scalable full-stack applications using Java and modern web technologies.
Develop backend services and microservices using Java 17+ and Spring Boot.
Design and implement RESTful APIs and integrate with internal and third-party systems.
Develop responsive and reusable UI components using Angular or React.
Work with databases such as PostgreSQL, Oracle, or MySQL.
Implement application security, authentication, authorization, and secure API integrations.
Participate in architecture and technical design discussions.
Write clean, maintainable, reusable, and well-tested code.
Develop unit, integration, and automated tests using JUnit, Mockito, Selenium, or equivalent frameworks.
Work with Kafka or other messaging/event-streaming technologies.
Build and maintain CI/CD pipelines using Jenkins, GitHub Actions, GitLab CI, or Azure DevOps.
Deploy and support applications in AWS, Azure, or GCP environments.
Troubleshoot production issues and participate in root-cause analysis.
Conduct code reviews and provide technical guidance to junior developers.
Collaborate with Agile/Scrum teams during sprint planning, refinement, development, testing, and releases.
Work closely with business stakeholders and technical teams to understand requirements and deliver solutions.

Required Skills

10+ years of professional software development experience.
Strong expertise in Java/J2EE.
Hands-on experience with Java 17 or higher.
Strong experience with Spring Boot, Spring MVC, Spring Data JPA, and Spring Security.
Strong understanding of Microservices architecture.
Extensive experience developing REST APIs.
Strong front-end development experience with Angular or React.
Strong knowledge of HTML5, CSS3, JavaScript/TypeScript.
Experience with PostgreSQL, Oracle, MySQL, or similar relational databases.
Experience with Kafka or messaging technologies.
Strong knowledge of Git and CI/CD.
Experience with Docker and Kubernetes.
Hands-on experience with at least one major cloud platform: AWS, Azure, or GCP.
Strong experience with JUnit and Mockito.
Excellent understanding of Agile/Scrum development practices.
Strong problem-solving and communication skills.

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More about this job

Responsibilities

Design, develop, and maintain scalable full-stack enterprise applications using Java and modern web technologies. Collaborate with cross-functional teams to implement microservices, RESTful APIs, and responsive UI components.

Requirements

Requires over 10 years of professional software development experience with strong expertise in Java 17+, Spring Boot, and front-end frameworks like Angular or React. Proficiency in cloud platforms, containerization, and Agile/Scrum methodologies is essential.

Skills

Java
Spring Boot
Microservices
REST APIs
Angular
React
PostgreSQL
Kafka
Docker
Kubernetes
AWS
Azure
GCP
JUnit
Mockito
CI/CD

Visa sponsorship

Not detected in the job text

Keywords

Java
J2EE
Spring Boot
Spring MVC
Spring Data JPA
Spring Security
Microservices
REST APIs
Angular
React
HTML5
CSS3
JavaScript
TypeScript
PostgreSQL
Oracle
MySQL
Kafka
Git
CI/CD
Docker
Kubernetes
AWS
Azure
GCP
JUnit
Mockito
Agile
Scrum
Full Stack

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