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Added 11 days ago
BO
Senior Data Scientist, AI Solutions
Bank of Canada
Ottawa, ON
- Full-time
Strong expertise in AI/ML engineering, including Python or R development, Git-based workflows, CI/CD pipelines, and MLOps/DevOps practices.
Added 11 days ago
S
Machine Learning Engineer - Multiple Positions
SurveyMonkey
Ottawa, ON
- Full-time
You'll work at the intersection of Data Science, DevOps, and Product, helping power technologies like Generative AI, NLP, and real-time classification across SurveyMonkey's product…
Added 11 days ago
H
Artificial Intelligence Engineer
Hays
Halifax, NS
- Full-time
Experience with modern DevOps practices and CI/CD pipelines.
Added 11 days ago
R
Lead Full Stack Developer
RBC
Toronto, ON
- Full-time
The RBC Borealis Lumina Platform team is hiring a Lead Full Stack Developer who will bring focus and subject-matter expertise around designing and implementing APIs and UIs for the AWS and…
Added 11 days ago
R
Lead ML Platform Engineer
RBC
Calgary, AB
- Full-time
…machine learning infrastructure and automation tools (MLOps and DevOps). This is a unique opportunity to grow in the world of machine learning infrastructure and work with a team of…
Added 14 days ago
R
Principal AI Engineer
RBC
Calgary, AB
- Full-time
Automation and DevOps experience, such as GitHub Actions, infrastructure as code, and automated QA.
Added 14 days ago
EG
Développeur(-euse) principal(e) de logiciels (contenu) /Principal Software Development Engineer
Expedia Group
Montreal, QC · Canada - Quebec - Montreal
- Full-time
Added 14 days ago
VG
Senior Cloud Engineer
Vertage Global
Ottawa, ON
- Contract
Familiarity with CI/CD pipelines and DevOps practices.
Added 14 days ago
ME
Cloud Engineer
Morson Edge (Canada)
Oakville, ON
- $95,000 to $135,000 CAD / year
- Full-time
Promote DevOps best practices and continuous improvement initiatives.
Added 14 days ago
C
Senior Database Engineer (Snowflake)
Cvent
Fredericton, NB
- Full-time
Added 14 days ago
T
AWS Architect
Thinkpivot
Toronto, ON · Downtown Toronto, Ontario
- Full-time
Added 15 days ago
S
Gen AI Engineer
Synechron
Montreal, QC
- $80,000 to $90,000 CAD / year
- Full-time
…end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through…
Added 15 days ago
Data Scientist, AI & Machine Learning
Scotiabank
Toronto, ON
Experience with DevOps principles and software engineering best practices, including Git, CI/CD pipelines, and Agile delivery methodologies.
Added 15 days ago
C
Java Developer (React)
Collabera
Toronto, ON
- $90 to $102 CAD / hour
- Contract
Added 15 days ago
TC
UI Path Developer
Tata Consultancy Services
Toronto, ON
- $90,000 to $100,000 CAD / year
- Full-time
Familiarity with version control tools (Git / Azure DevOps).
Added 16 days ago
UR
Software Engineer III (AI Integration)
Urban Ridge Supplies
Toronto, ON
- Full-time
Partner with cloud engineers and DevOps teams for scalable deployment.
Added 16 days ago
UR
Senior AI Engineer – Agentic AI Platform, LLM & GraphRAG
Urban Ridge Supplies
Toronto, ON
- Full-time
Expertise with CI/CD pipelines, containerization, infrastructure automation, and DevOps practices.
Added 16 days ago
UR
Machine Learning Engineer
Urban Ridge Supplies
Toronto, ON
- Full-time
Work hands-on with platform, search, and cloud DevOps engineers to get models running fast and cheap in production
Added 16 days ago
UR
Software Engineer II (AI Integration)
Urban Ridge Supplies
Toronto, ON
- Full-time
Partner with cloud engineers and DevOps teams for scalable deployment.
Added 16 days ago
KD
Senior Data Engineer – Ingénieur des données
KPI Digital Solutions
Montreal, QC
- Other
Is an adept of CI-CD and can implement Azure DevOps
Added 16 days ago
KD
AI Engineer/Ingénieur(e) en intelligence artificielle
KPI Digital Solutions
Montreal, QC
- Other
…solutions with a strong focus on Large Language Models (LLMs), DevOps pipelines, and Azure cloud services. You are a proactive and autonomous professional who thrives in a fast-paced…
Added 16 days ago
GV
Senior AI/ML Applications Architect
GE Vernova
Markham, ON
- Full-time
Experience with DevOps, data pipelines, Azure ML registry, deployment methods (Docker, K8s, etc.).
Added 16 days ago
V
Principal AI/ML Engineer
Vanguard
Toronto, ON
- Full-time
Strong knowledge of software architecture, reliability engineering, observability, ML Ops, DevOps, and cloud technologies.
Added 16 days ago
FR
Senior Service Reliability Engineer
Fitch Ratings
Toronto, ON
- Full-time
…technologies, systems engineering, infrastructure automation, and DevOps tooling across Fitch Group. The role itself will be dedicated to ensuring excellence in Fitch Ratings services, with…
Added 16 days ago
TC
Full-Stack Java Developer (with DB & Cloud)
TMC Canada
Montreal, QC
- Full-time
Experience using AI coding assistants such as GitHub Copilot, Microsoft Copilot, Cursor, or similar tools to improve developer productivity ;

Collabera

Java Developer (React)

Toronto, ON, Canada

$90 to $102 CAD / hour · Contract

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Job details

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

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.

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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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