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Added 8 mins ago
Java Technical Lead
Zodiac Solutions, Inc
Mississauga, ON
Full-time
DevOps/Cloud : Git , Jenkins , Docker , Kubernetes , AWS / Azure / GCP
Added 8 mins ago
Salesforce Developer
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Montreal, QC
Contract
The Salesforce Developer will be responsible for designing, developing, and deploying Salesforce solutions using Apex, Lightning Web Components (LWC), APIs, SOQL, and Flows. The role…
Added 10 mins ago
RQ11690 - Systems Testing/QA Specialist - Senior
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issue tracking systems such as JIRA, Azure DevOps Boards, Asana
Added 24 mins ago
Software Developer - Microsoft Dynamics 365 CRM Developer
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Job Title: Software Developer - Microsoft Dynamics 365 CRM Developer
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Manager - Release, Configuration & Environment Management
Insight Global
ON · Ontario, Canada
$60 to $70 CAD / hour
Contract
…organizations. The successful candidate will partner across Development, DevOps, QA, Infrastructure, Cloud Engineering, Security, Operations, Architecture, and Business teams to ensure…
Added 24 mins ago
Java Spring Boot Developer
Tata Consultancy Services
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$90,000 to $110,000 CAD / year
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Added 24 mins ago
Manager, Infrastructure and Cloud Services
General Dynamics Mission Systems–Canada
Ottawa, ON
$120,000 to $160,000 CAD / year
Full-time
Automation & DevOps: PowerShell, Terraform, Ansible, CI/CD, and platform automation
Added 37 mins ago
Manager, Infrastructure and Cloud Services
General Dynamics Mission Systems–Canada
Ottawa, ON
$120,000 to $160,000 CAD / year
Full-time
Automation & DevOps: PowerShell, Terraform, Ansible, CI/CD, and platform automation
Added 37 mins ago
Cloud Platform Engineer
Swoon
Toronto, ON
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…design, automate, and operate cloud-native infrastructure, developer tooling, and declarative deployment pipelines across multiple upcoming digital initiatives over the next 6–12…
Added 37 mins ago
Cloud Native Developer
CENGN - (Centre of Excellence in Next Generation Networks)
Ottawa, ON
Full-time
The Cloud Native Developer plays a pivotal role in designing, implementing, and maintaining CENGN’s cloud infrastructure and deployment pipelines, with particular focus on supporting our…
Added 37 mins ago
Sr Software Engineer
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Montreal, QC
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We're Hiring: Sr Software Engineer (Python + Frontend) AND Sr Software Engineer (Python +DevOps) :: Number of Job Opportunities: 2
Added 37 mins ago
Senior Full Stack Java Engineer
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Toronto, ON
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Added 38 mins ago
Senior Systems Testing / QA Specialist – Senior
Joblinxsapp
Toronto, ON
Internship
Demonstrated experience documenting and tracking testing and issues using tools such as JIRA, Azure DevOps Boards, or Asana.
Added 40 mins ago
GCP Architect
ZENITH INFOTEK LLC
Toronto, ON
Full-time
Familiarity with DevOps practices and CI/CD pipelines.
Added 55 mins ago
DevOps Manager
Motorola Solutions
Vancouver, BC
Full-time
We're seeking a highly motivated DevOps Manager to empower our global development organization. If you thrive in leading cross-functional teams, collaborating across diverse locations, and…
Added 1 hour ago
Full Stack Engineer
Iris Software Inc.
Toronto, ON
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Participate in architecture discussions, documentation, DevOps initiatives, CI/CD processes, and continuous improvement efforts.
Added 1 hour ago
Senior AI Engineer – Claims Summarization & Agentic AI
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Full-time
Microsoft Certified: Azure AI Apps & Agents Developer Associate
Added 1 hour ago
Senior Data Engineer - Toronto
Trisura
Toronto, ON
Full-time
Implement source control, automated deployment, and CI/CD practices using Git, Azure DevOps, and Microsoft Fabric deployment capabilities, and participate in code reviews, testing, release…
Added 1 hour ago
Python Developer
Spait Infotech
Canada
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Collaborate with frontend developers, QA engineers, DevOps teams, and business stakeholders.
Added 1 hour ago
Sr Java Developer--CHODC5892126
Compunnel Inc.
Montreal, QC
$65 USD / hour
Contract
Be part of an Agile squad with members in Montreal, Budapest, India, London, and New York, following Agile principles and applying DevOps practices
Added 1 hour ago
Java/python developer
Pacer Group
Toronto, ON
Full-time
Collaborate with product, architecture, security, quality engineering, DevOps, and dependent teams to manage delivery scope, risks, dependencies, and releases.
Added 1 hour ago
IAM/CIAM Business Systems Analyst
Nityo Infotech
Toronto, ON
Contract
DevOps practices including CI/CD, Jenkins, test automation
Added 1 hour ago
WiSE Winter 2027 Co-op: Business and Technology Consultant (Undergraduate Co-op)
CGI
Halifax, NS
Full-time
Added 1 hour ago
Winter 2027 Co-op: Technical Development Consultant (Master's Co-op)
CGI
Halifax, NS
Full-time
Experience with CI/CD tools such as Jenkins and DevOps pipelines
Added 1 hour ago
Senior Data Platform Engineer - Toronto
Trisura
Toronto, ON
Full-time
Implement and support Git-based source control and CI/CD practices using Azure DevOps, deployment pipelines, database projects, DACPACs, PowerShell, and related deployment technologies.

Collabera

Java Developer (React)

Toronto, ON, Canada

Pay: $90 to $102 CAD / hour
Job type: Contract
Apply by: Oct 24, 2026
Experience: 10+ years of enterprise Java development experience. (80%)
Posting language: English
Posted: Sep 24, 2026

Apply About employer

Applications open in a new tab.

Original job description

Title: Senior Java Engineer

Client: Investment Industry

Type: 6-month contract + opportunity to extend

Location: Downtown Toronto, ON - Hybrid (4 day/week on-site)

PR: $90-100/hr (as per experience)

Why Is This Role Open?

Client is executing a large-scale transformation to refactor a legacy monolithic application into a microservices-based architecture.

The Senior Full Stack Engineer will join a Capital Markets engineering team responsible for modernizing and rebuilding a mission-critical platform used across Public Markets. This is primarily a backend-focused role (approximately 80% backend / 20% frontend), requiring deep expertise in Java development while also contributing to React-based UI enhancements.

The successful candidate will play a key role in decomposing a legacy monolithic application into cloud-native microservices while supporting ongoing user interface enhancements for portfolio management users.

Day-to-Day Responsibilities

Refactor and decompose a large monolithic application into microservices.
Design, develop, and maintain backend services using Java and Spring Boot.
Contribute to architecture discussions, service boundaries, and technical design decisions.
Develop and deploy cloud-native applications in AWS.
Build and enhance React-based UI components
Collaborate with developers, business analysts, and Capital Markets stakeholders
Ensure systems are highly performant, secure, resilient, and scalable.
Participate in code reviews and engineering best practices.

Must-Have Skills

Backend Development

10+ years of enterprise Java development experience. (80%)
Advanced Spring Boot expertise.
Proven experience building and refactoring microservices architectures.
Experience designing and developing distributed, high-performance systems.

Frontend Development

Hands-on React development experience. (20%)
Comfortable contributing to frontend features and UI enhancements

Cloud & DevOps

Cloud- AWS experience (preferred)

Capital Markets Experience (if they don't have capital markets, should at least come from financial services/ retail banking).

Public Markets experience.
FX experience.
Equities experience.
Derivatives experience.
Understanding of front-office trading workflows.

Soft Skills

Strong analytical and problem-solving abilities.
Ability to work independently in a fast-paced engineering environment.
Strong communication and collaboration skills.

Nice-to-Haves

Experience with portfolio management or trading platforms.
AWS cloud-native services experience.
Mockito and automated testing frameworks.
Exposure to AI/ML concepts.
Experience working in highly regulated financial environments.

We may use AI-enabled and/or automated tools to support parts of our recruitment process, including application screening, interview scheduling, and candidate communications. These tools are used to enhance consistency and efficiency. All hiring decisions involve human review and are not based solely on automated processing.

The Company offers a total rewards package in accordance with all applicable federal, provincial, and local laws and requirements. Benefit eligibility and offerings vary based on role, employment status, and work location. For contractor positions, benefits are limited to those entitlements and protections required by applicable law, which may include (as applicable) vacation pay, public holidays, leaves of absence, and other legally mandated benefits or payments.

Apply About employer

More about this job

Responsibilities

Refactor a legacy monolithic application into cloud-native microservices, designing and maintaining high-performance Java and Spring Boot backend services deployed on AWS. Contribute to React UI enhancements, architecture decisions, code reviews, and collaboration with engineering and Capital Markets stakeholders to ensure secure, resilient, and scalable systems.

Requirements

Requires 10 or more years of enterprise Java development experience, advanced Spring Boot expertise, and proven experience building microservices and distributed systems. Candidates should also have hands-on React experience and relevant financial services experience, ideally including Public Markets, FX, equities, derivatives, or front-office trading workflows.

Skills

Java
Spring Boot
Microservices
Distributed Systems
React
AWS
Cloud-Native Development
System Architecture
Capital Markets
Public Markets
Foreign Exchange
Equities
Derivatives
Front-Office Trading Workflows
Mockito
Automated Testing

Benefits

Vacation Pay
Public Holidays
Leaves Of Absence
Other Legally Mandated Benefits Or Payments

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Boot
Microservices
Monolithic Application Refactoring
Distributed Systems
High-Performance Systems
React
AWS
Cloud-Native Applications
Capital Markets
Public Markets
Portfolio Management
Foreign Exchange
Equities
Derivatives
Front-Office Trading Workflows
Mockito
Automated Testing
Architecture Design
Service Boundaries
Code Reviews
Financial Services
Retail Banking
Regulated Financial Environments
AI/ML

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