Jobs in Canada

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Added 1 day ago
RC
Senior Software Developer - Full Stack
Randstad Canada
Toronto, ON
- Contract
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…
Added 1 day 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 1 day ago
RC
Health and Safety Manager
Randstad Canada
Surrey, BC
- $90,000 to $110,000 CAD / year
- Full-time
Tech Skills: Proficiency in Microsoft Office and incident reporting software to produce presentation materials and action plans.
Added 1 day ago
FH
Coordinator, research finance
Fraser Health Authority
Surrey, BC
- $35.36 to $50.83 CAD / hour
…utilizing related applications (e.g. database, spreadsheet, finance software…
Added 1 day ago
Product owner, contact center pod
National Money Mart Company
Toronto, ON
Added 1 day ago
P
Recruteur ou recruteuse / Recruiter
Planned
Montréal, QC
- Full-time
- On-site
Added 1 day ago
SI
Senior Machine Learning Engineer, Premium Discovery
Scribd, Inc.
Toronto, ON · Vancouver, BC
- Full-time
- Hybrid
- 5+ years as a professional ML or software engineer, with a track record of shipping production ML systems.
Added 1 day ago
E
Retail Lead
evo
Whistler, BC
- $24 to $27 CAD / hour
- Full-time
The Must Haves
Added 1 day ago
Technical Delivery Mgr, ServiceNow IRM/Sec Ops, Deloitte Global Technology
Deloitte
Toronto, ON
Added 1 day ago
M
Senior Software Developer
modis
Toronto, ON
- Contract
- Temporary
Akkodis is seeking an experienced Senior Software Developer to support a healthcare technology portfolio focused on drug formulary and genomics solutions. The consultant will contribute to…
Added 1 day ago
RC
ServiceNow Technical Architect
Randstad Canada
Toronto, ON
- Contract
Added 1 day ago
RC
Genesys Application Support Specialist
Randstad Canada
Vancouver, BC
- $42.7 to $45.99 CAD / hour
- Contract
Added 1 day ago
RC
Enterprise Integration Lead
Randstad Canada
Remote, Canada
- $105,000 to $130,000 CAD / year
- Full-time
- Remote
Added 1 day ago
RC
Digital Product Designer UX/UI
Randstad Canada
North Vancouver, BC
- $45.99 to $52.56 CAD / hour
- Contract
…(iOS/Android) apps. Partnering with user researchers, product managers, software developers, and third-party SaaS platform vendors, you will translate research insights and analytics into…
Added 1 day ago
AI
Lead AI Engineer
Axya Inc.
Montréal, QC
- Full-time
- On-site
Strong software engineering fundamentals: fluency in Python and comfort building and operating backend services.
Added 1 day ago
SD
Accounting Assistant II
School District #36 (Surrey)
Surrey, BC
- Contract
…requires in-depth systems knowledge to utilize diverse computer software applications in analyzing and processing financial transactions, multi-tasking, troubleshooting and resolving…
Added 1 day ago
P-
Director, Planning & Service Management, Strategic Operations & Medical Administration - BC Children's Hospital
PHSA - Provincial Health Services Authority
Vancouver, BC
- $118,923 to $170,951 CAD / year
- Full-time
Added 1 day ago
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Project Manager
Aplin
Halifax, NS
- Full-time
Working knowledge of Microsoft Office Suite and project management/scheduling software.
Added 1 day ago
A
Lead Data Engineer
Altis
Toronto, ON
- $100,000 to $120,000 CAD / year
- Full-time
7+ years of experience in data engineering, software engineering, data architecture, or a related technical discipline.
Added 1 day ago
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Quality Assurance Manager
Aplin
Vancouver, BC
- Full-time
Proficiency with construction documentation and project management software.
Added 1 day ago
AC
Canada Account Technology Strategist - SME&C
Avanade Canada Inc. Company
Toronto, ON
- Full-time
Added 1 day 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 1 day ago
SC
RQ11618 - UX Designer - Junior
Source Code
Toronto, ON
- $44.1 to $59.06 CAD / hour
Must Have skills:
Added 1 day ago
RC
Senior IT Project Manager - HYBRID
Randstad Canada
Calgary, AB
- Contract
Added 1 day ago
AI Platform Engineer with DevOps Experience
Astra North Infoteck Inc.
Halifax, NS
Champion developer experience and DevOps best practices.

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

Seniority

Senior

Tools

Azure DevOps
Oracle
SQL Server
JSON Web Tokens
OAuth 2.0

Languages

English

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Work requirements

Jobs in Canada