Jobs in Canada

Group jobs by employerEmail me new jobs Save this search

Added 17 hours ago
HG
Ingénieur principal de projet – HVDC/Senior Project Lead Engineer HVDC
Hitachi Global
Montréal, QC
- Full-time
Hitachi Energy's Grid Automation business is seeking a Senior Project Lead Engineer to take technical ownership of complex HVDC projects and tenders. In this role, you will coordinate…
Added 17 hours ago
HE
Ingénieur principal de projet – HVDC/Senior Project Lead Engineer HVDC
HITACHI ENERGY USA INC
Saint-Laurent, QC
- Full-time
- Hybrid
Hitachi Energy's Grid Automation business is seeking a Senior Project Lead Engineer to take technical ownership of complex HVDC projects and tenders. In this role, you will coordinate…
Added 17 hours ago
GE
Senior Gen AI Applications Architect
GEPR Energy Canada Inc
Markham, ON
- $126,000 to $189,000 CAD / year
- Full-time
Bachelor's degree in Computer Science, Electrical Engineering, Data Science, or a related technical field.
Added 17 hours ago
H
Application Developer III
Hays
Waterloo, ON · Toronto, ON
- $80 to $90 CAD / hour
- Contract
Seeking a Senior Software Engineer with experience in software development, cloud engineering, DevOps, and data platforms. The role involves building enterprise applications and APIs,…
Added 17 hours ago
O
Sr Principal Consultant - Construction & Energy - NetSuite Managed Services (ACS)
Oracle
Canada
- Full-time
The Advanced Customer Support team of Oracle NetSuite Professional Services is seeking a senior-level consultant with Construction & Energy industry expertise. This role is best suited for…
Added 17 hours ago
GV
Senior Gen AI Applications Architect
GE Vernova
Markham, ON
- $126,000 to $189,000 CAD / year
- Full-time
Bachelor's degree in Computer Science, Electrical Engineering, Data Science, or a related technical field.
Added 17 hours ago
GE
Senior Gen AI Applications Architect
GEPR Energy Canada Inc
Markham, ON
- $126,000 to $189,000 CAD / year
- Full-time
Bachelor's degree in Computer Science, Electrical Engineering, Data Science, or a related technical field.
Added 17 hours ago
RC
Sr. Product Management Specialist
Randstad Canada
Mississauga, ON
- $90,000 to $96,000 CAD / year
- Full-time
Cella by Randstad Digital is actively partnering with a premier global organization to recruit a highly motivated Senior Product Management Specialist on behalf of our client. In this…
Added 17 hours ago
RC
Senior Software Developer - ETL
Randstad Canada
Toronto, ON
- Contract
We are seeking an experienced Senior Software Developer - ETL to lead and oversee the end-to-end data and document migration strategy for enterprise modernization initiatives. In this role,…
Added 17 hours ago
RC
Senior Systems Testing/QA Specialist
Randstad Canada
Toronto, ON
- Contract
Dedicated Onsite Collaboration: Work directly alongside developers, architects, and business leads in a focused 5-day per week Toronto workspace
Added 17 hours ago
W
Senior Mechanical Engineer
Worley
Vancouver, BC
- Full-time
Worley is seeking a Senior Mechanical Engineer based in Vancouver, British Columbia, with experience in sizing, selection, preparing specifications, purchasing, installation, inspection,…
Added 17 hours ago
RC
Senior Systems Testing/QA Specialist
Randstad Canada
Toronto, ON
- Contract
We are seeking an experienced Senior Systems Testing/QA Specialist to lead and execute end-to-end quality assurance for enterprise platform features, integrations, and releases. In this…
Added 17 hours ago
RC
Senior Software Developer - Full Stack
Randstad Canada
Toronto, ON
- Contract
Senior Architecture Scope: Lead full-stack engineering across microservices, REST APIs, and enterprise data layers.
Added 17 hours ago
RC
Senior Software Developer - Front End
Randstad Canada
Toronto, ON
- Contract
We are seeking an experienced Senior Software Developer - Front End to lead the design, development, testing, and maintenance of accessible, responsive, and user-facing capabilities for…
Added 17 hours ago
SI
Senior Machine Learning Engineer, Premium Discovery
Scribd, Inc.
Toronto, ON · Vancouver, BC
- Full-time
- Hybrid
We're looking for a Senior Machine Learning Engineer to own recommendations for Fable and grow into the technical lead for Premium recommendations.
Added 17 hours ago
Senior Electrical Engineer
EBC Inc.
BC
Reporting to the Project Director, the Project Engineer - Electrical & Controls owns the engineering delivery of the project's electrical, controls, HVAC, fire protection and diesel…
Added 17 hours ago
RC
Scrum Master - HCM
Randstad Canada
Mississauga, ON
- $64.68 to $71.14 CAD / hour
- Contract
Our client, is seeking an experienced, highly proactive Senior Scrum Master (Security & Reporting / Hybrid Agile-Waterfall) to join their global Human Capital Management (HCM) technology…
Added 17 hours ago
RC
Purchasing and Procurement Specialist
Randstad Canada
Burlington, ON
- $75,000 to $80,000 CAD / year
- Full-time
…manufacturing. Reporting to the CFO and working closely with finance, engineering, and operations teams, this dynamic role serves as the central hub for all supply chain activities. As a…
Added 17 hours ago
AU
Senior Oracle ERP Solution Architect – Order to Cash & Supply Chain
ALCOA USA CORP
Montréal, QC
- Full-time
Must possess experience in customer-facing position · Must have good communication written and verbal
Added 17 hours ago
D
Senior Data Analyst, Fixed Term - Toronto
DEPT®
Toronto, ON
- $55 CAD / hour
- Temporary
As a Senior Data Analyst, you will transform raw data into trusted, well-modeled datasets using dbt, then design, build, and validate the customizable dashboard templates on top of them.…
Added 17 hours ago
CI
Senior Software Engineer, AI Automation
Coalition, Inc.
Canada
- $134,600 to $199,600 CAD / year
This is a senior individual-contributor role for an AI-native engineer who can move from ambiguous business problems to durable technical solutions. You will work closely with internal…
Added 17 hours ago
TR
Director, Product Portfolio Management
Thomson Reuters Holdings Inc.
Toronto, ON
- Full-time
- Hybrid
…partner across Product Management, Product Operations, Product Engineering, Finance, and Strategy to run the core processes that connect strategy to investment decisions and financial…
Added 17 hours ago
Principal Consultant – AWS Data Platforms & Agentic AI
Astra North Infoteck Inc.
Toronto, ON
This is a senior, hands-on technology leadership role requiring a rare combination of AWS Data architecture, Agentic AI expertise, engineering depth and executive presence.
Added 17 hours ago
K
Senior Project Manager, CDR Management
Kroll
Canada
- Full-time
The Senior Project Manager, CDR Operations is responsible for the disciplined planning, oversight, and delivery of cross‑functional initiatives across the Cyber & Data Resilience…
Added 17 hours ago
Senior Software Engineer
Prompt.io Inc.
Canada
Prompt.io Inc. is looking for a Senior Software Engineer to help design, build, and scale the technology that powers our platform. You’ll take ownership of complex technical work,…

Randstad Canada

Senior Software Developer - Full Stack

Toronto, ON, Canada

Contract

Apply on randstad.ca About employer

Applications open in a new tab.

Job details

Job type: Contract
Apply by: Dec 20, 2026
Posting language: English
Posted: Oct 22, 2026

Original job description

We are seeking a highly experienced Senior Software Developer - Full Stack to lead the technical design, development, integration, and maintenance of large-scale enterprise web applications and platform capabilities. In this role, you will be responsible for building reusable platform services, robust microservices architectures, and RESTful APIs across the user-interface, workflow, and data-access layers. Leveraging extensive hands-on Java expertise, relational database optimization, and modern security protocols, you will translate complex technical specifications into scalable, secure, and maintainable software solutions within an Agile environment.

Location: Toronto, ON (Fully Onsite – 5 days/week required)

Duration: 11-month contract.

Advantages
Senior Architecture Scope: Lead full-stack engineering across microservices, REST APIs, and enterprise data layers.

Robust Tech Stack: Hands-on development utilizing Java, Azure DevOps, OAuth 2.0, JWT, and SQL tuning.

High-Impact Integration: Build reusable platform services that streamline core business workflows and identity integrations.

Dedicated Onsite Collaboration: Partner directly with architects, UX designers, and technical leads in a focused Toronto workspace.

Responsibilities
Full-Stack Application Development: Design, write, compile, debug, test, and maintain enterprise application code across the front-end, backend, API, workflow, and data-access layers using Java and modern web frameworks.

Microservices & API Architecture: Build and maintain scalable Java-based microservices, REST APIs, and web services applying clean code practices, object-oriented principles, and modern design patterns.

Database & Query Optimization: Develop and manage database objects, data transformation pipelines, and complex SQL/PL-SQL queries across relational and hierarchical databases, ensuring optimal performance through SQL tuning.

Security & Identity Integration: Implement secure communication protocols, security gateways, identity integrations, SSL certificates, JSON Web Tokens (JWT), and OAuth 2.0 authorization frameworks.

Pipeline Automation & DevOps: Utilize Azure DevOps or equivalent build tools to maintain source control, configure deployment scripts, and manage continuous integration and automated deployment pipelines.

Automated Testing & Quality Assurance: Construct and execute automated unit, integration, API, database, and user interface test suites to maintain application reliability and test coverage.

Technical Guidance & Production Support: Conduct code reviews, participate in design walkthroughs, troubleshoot complex operational defects, perform data migrations, and author technical build documentation.

Qualifications
Senior Full-Stack Experience: 10+ years of experience designing and developing large-scale, multi-client web applications or an equivalent depth of senior development experience (Strictly Required).

Core Java & Relational Databases: Extensive hands-on Java development experience working with Oracle, SQL Server, or comparable relational databases (Strictly Required).

REST APIs & Microservices: Significant experience designing and developing REST APIs, RESTful web services, and microservice architectures (Strictly Required).

Security Protocols & Gateways: Proven experience with security gateways and protocols, including JSON Web Tokens (JWT), OAuth 2.0, SSL certificates, secure communications, and identity integration (Strictly Required).

Database Tuning & Integration: Demonstrated experience with query languages, SQL tuning, middleware, communications protocols, system conversion, and data migration (Strictly Required).

Nice-to-Have Assets:
Prior software development experience within a public sector environment.

Hands-on experience managing CI/CD pipelines, work tracking, and build automation in Azure DevOps.

Strong background in rapid application development (RAD) and Agile delivery methodologies.

Summary
If you're interested in the "Senior Software Developer - Full Stack" role based in Toronto, we encourage you to apply online at www.randstad.ca.
Only qualified candidates will be contacted for the next steps. We look forward to hearing from you!

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to accessibility@randstad.ca to ensure their ability to fully participate in the interview process.

This posting is for existing and upcoming vacancies.

Apply on randstad.ca About employer

More about this job

Responsibilities

The Senior Software Developer at Randstad Canada will design, build, test and maintain enterprise web applications and APIs, optimize databases, and integrate security and identity services. The role also includes automating deployments, reviewing code and supporting production issues.

Requirements

Candidates need 10+ years of senior full-stack development experience, extensive Java and relational database work, and proven REST API and microservices experience. They also need hands-on experience with security protocols such as JWT, OAuth 2.0 and SSL.

Skills

Java
Microservices architecture
REST APIs
RESTful web services
OAuth 2.0
JSON Web Tokens (JWT)
SSL certificates
Identity integration
Security gateways
SQL
PL/SQL
SQL tuning
Oracle
SQL Server
Relational databases
Hierarchical databases
Data migration
Middleware
Azure DevOps
CI/CD
Build automation
Source control
Automated testing
Unit testing
Integration testing

Keywords

Senior Software Developer
Full Stack Developer
Java
REST API
Microservices
OAuth 2.0
JWT
SQL tuning
Oracle
SQL Server
PL/SQL
Azure DevOps
CI/CD
Agile
RAD
Public sector
Data migration
Toronto contract
Software Development
Web Development

Tools

Azure DevOps
Oracle
SQL Server
JSON Web Tokens
OAuth 2.0

Languages

English

Seniority

Senior

Report this job

Work requirements

Jobs in Canada