Jobs in Canada

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Added 11 hours ago
CU
Specialist, Provisioning
Cogeco US Finance, LLC
Canada
- Full-time
The Senior Network Engineer is responsible for the design, operation, and security of complex wired, wireless, and Internet-facing network infrastructures spanning multiple data centers and…
Added 11 hours ago
RC
Senior Maintenance Technician
Randstad Canada
Delta, BC
- $47.67 CAD / hour
- Full-time
Maintain, service, and repair communication data systems, emergency standby systems, and HVAC/climate control equipment.
Added 11 hours ago
S
Staff Software Engineer
Senpilot
Toronto, ON
- Full-time
- Hybrid
Senpilot builds AI agents that help utilities operate smarter, faster, and more reliably, automating everything from engineering workflows to regulatory filings and compliance. Our mission…
Added 11 hours ago
IG
CONFIDENTIAL: AI Engineer
Insight Global
Vancouver, BC
- $100,000 to $300,000 CAD / year
- Contract
We're seeking a Senior AI Engineer who combines strong software engineering fundamentals with hands-on experience building AI agents, generative AI applications, and intelligent automation…
Added 11 hours ago
Senior AI Automation Engineer
Later
Vancouver, BC
Built on a native, AI-powered platform and more than a decade of proprietary data - including billions of social interactions, impressions, and $2.4B+ in verified influencer-driven…
Added 11 hours ago
IG
CCaaS Solution Designer
Insight Global
Toronto, ON
- From $82 CAD / hour
- Contract
-Senior‑level experience in Solution Design or Solution Architecture within Contact Centre Technology (Verint or Genesys engage or Genesys cloud or Amazon Connect). Geneys cloud is strongly…
Added 11 hours ago
IG
Sr. Python Developer
Insight Global
Toronto, ON
- From $68 CAD / hour
- Contract
Support data engineering activities, including querying and transforming data using SQL.
Added 11 hours ago
IG
Senior Data Center Engineering Lead (Mechanical/Electrical)
Insight Global
Varennes, QC
- From $37.5 CAD / hour
- Contract
A fundamental aspect of the Senior Operations Lead’s role is their essential support function. The Data Center Senior Operations Lead provides crucial support to engineering operations…
Added 11 hours ago
IG
Director GRC
Insight Global
Toronto, ON
- $175,000 to $195,000 CAD / year
- Contract
This is a unique opportunity for a senior cybersecurity professional who enjoys operating as both a strategic leader and hands-on contributor. Although carrying a Director title, this…
Added 11 hours ago
SS
Senior Software Engineer
Solid State AI
Toronto, ON
- Full-time
- Hybrid
We’re looking for a Senior Python developer to join our team (company headquarters are in Toronto, Canada). You should think about joining us if you have passion for architecting software…
Added 11 hours ago
SS
Senior ML Engineer
Solid State AI
Toronto, ON
- $120,000 to $160,000 CAD / year
- Full-time
- Hybrid
Excellent understanding of data structures, algorithms, and software engineering principles
Added 11 hours ago
N
Senior Software Developer (CF)
NuBinary
Vaughan, ON
- $100,000 to $130,000 USD / year
- Full-time
- Hybrid
Designing and implementing centralized data and workflow management using Java/Kotlin/REST to manage the “central nervous system” of our information flow between departments.
Added 11 hours ago
CO
Engineering Technician (Environmental Capital Projects)
City of Kawartha Lakes
Lindsay, ON
- $40.57 CAD / hour
- Full-time
The City of Kawartha Lakes invites applicants to join our dynamic team as an Engineering Technician! The Engineering and Corporate Assets department is seeking a permanent, full-time…
Added 11 hours ago
Structural Steel Checker
Whitemud Ironworks Limited
Edmonton, AB
Whitemud Ironworks Limited is seeking a highly motivated Senior Structural Steel Detailer/Checker to complement our skilled team in our Edmonton Office. This is an excellent opportunity for…
Added 11 hours ago
RC
Senior Software Developer - Full Stack
Randstad Canada
Toronto, ON
- Contract
We are seeking a seasoned Senior Software Developer - Full Stack to lead the technical design, development, integration, and maintenance of large-scale enterprise web applications and…
Added 11 hours ago
RC
Senior DevOps/Cloud Engineer
Randstad Canada
Toronto, ON
- Contract
We are seeking an experienced Senior DevOps/Cloud Engineer to lead the automation, configuration, deployment, monitoring, and operational enablement of enterprise platform environments and…
Added 11 hours ago
RC
Senior Integration Operations Software Engineer - Azure / APIM / DevOps
Randstad Canada
Remote, Canada
- Contract
- Remote
Are You Ready to Power Enterprise Cloud Integrations & API Platforms? Do you bring several years of hands-on software engineering experience, with a few years dedicated to Integration…
Added 11 hours ago
CQ
AI Engineer - Student / New Grad (BC)
Canada Quant Labs
Victoria, BC
- $28 to $38 CAD / hour
- Full-time
- Part-time
- Internship
…pipelines, inference benchmarks, and model cards, mentored by senior engineers. Part-time during the academic term, full-time in summer, hybrid from our Victoria, BC office. CAD $28–$38 per…
Added 11 hours ago
Senior Metallurgist
Impala Canada Ltd.
ON
This position operates on a 14 days on / 14 days off rotation, working 12-hour shifts
Added 11 hours ago
Plant Metallurgist
Impala Canada Ltd.
ON
Reporting to the Senior Metallurgist, the successful applicant will be responsible for providing metallurgical support to mill operations.
Added 11 hours ago
I
AI Program Lead, Biotech and Pharma
IntuitionLabs
Remote, Canada
- $130,000 to $170,000 CAD / year
- Full-time
- Remote
founder, our developers and senior industry specialists. You report to the founder.
Added 11 hours ago
I
Associate AI Specialist, Regulatory and Medical Writing
IntuitionLabs
Remote, Canada
- $60,000 to $75,000 CAD / year
- Full-time
- Remote
Work alongside a network of senior specialists in regulatory, quality, clinical, medical and commercial functions
Added 11 hours ago
AU
Software Dev Engineer, Pricing Shared Platform
Amazon.com.ca, ULC
Vancouver, BC
- Full-time
…will design and write clean, maintainable code and integrate data from a large number of services. And you will contribute to the development of yourself and colleagues through peer…
Added 11 hours ago
AU
Software Dev Engineer, Pricing Shared Platform
Amazon.com.ca, ULC
Vancouver, BC
- Full-time
…will design and write clean, maintainable code and integrate data from a large number of services. And you will contribute to the development of yourself and colleagues through peer…
Added 11 hours ago
AU
Software Dev Engineer, Pricing Shared Platform
Amazon.com.ca, ULC
Vancouver, BC
- Full-time
…will design and write clean, maintainable code and integrate data from a large number of services. And you will contribute to the development of yourself and colleagues through peer…

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 24, 2026
Posting language: English
Posted: Oct 26, 2026

Original job description

We are seeking a seasoned Senior Software Developer - Full Stack to lead the technical design, development, integration, and maintenance of large-scale enterprise web applications and platform services. In this role, you will be responsible for creating reusable platform components and building microservices across user-interface, API, workflow, integration, and data-access layers. Leveraging deep hands-on Java expertise, relational database technologies, and modern security protocols, you will translate complex business and technical requirements 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 Full-Stack Scope: Lead architectural design and development across microservices, REST APIs, and database layers.

Modern Enterprise Stack: Hands-on engineering with Java, relational databases, OAuth 2.0, JWT, and Azure DevOps.

Core Platform Impact: Build reusable services powering enterprise-wide integrations and mission-critical workflows.

Dedicated Onsite Collaboration: Collaborate directly alongside architects, developers, and product teams in a focused Toronto workspace.

Responsibilities
Translate technical specifications into working, tested, secure, and maintainable enterprise application code.

Develop detailed programming specifications and write, test, debug, and maintain front-end, backend, and data-access components.

Build and maintain Java-based microservices, REST APIs, RESTful web services, and reusable platform services.

Design and manage database objects, queries, data conversion routines, and integration workflows using relational databases.

Implement security gateways and protocols, including JSON Web Tokens (JWT), OAuth 2.0, SSL certificates, and identity access integrations.

Create and maintain automated unit, integration, API, and user interface tests to ensure code quality and system reliability.

Participate in design walkthroughs, code reviews, estimation, sprint planning, and release planning.

Analyze and troubleshoot technical issues arising across development, deployment, migration, and production environments.

Collaborate with business analysts, architects, UX designers, testers, DevOps engineers, and security teams across the full software lifecycle.

Prepare comprehensive technical, deployment, system, and user documentation.

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

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

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

Security & Authentication 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).

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

Hands-on experience with Azure DevOps for source control, work tracking, automated testing, and CI/CD pipelines.

Experience with database query optimization, SQL tuning, middleware integrations, and data conversion.

Knowledge of web accessibility standards (AODA/WCAG) and secure coding principles.

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 will design, build, test and maintain Java microservices, REST APIs and database components for enterprise web applications. The role also involves implementing security protocols, participating in code reviews and sprint planning, and troubleshooting issues across environments.

Requirements

Randstad Canada requires 10+ years of senior development experience, extensive Java and relational database work, significant REST API and microservices experience, and proven use of JWT, OAuth 2.0 and SSL security protocols.

Skills

Java
Oracle
SQL
Relational databases
REST APIs
RESTful web services
Microservices
OAuth 2.0
JSON Web Tokens (JWT)
SSL certificates
Identity access integration
Azure DevOps
CI/CD pipelines
Automated testing
Unit testing
API testing
Query optimization
SQL tuning
Middleware integration
Data conversion
AODA/WCAG
Secure coding
Agile
Sprint planning
Code review

Keywords

Senior Software Developer
Full Stack Developer
Java
REST API
Microservices
Oracle
SQL
OAuth 2.0
JWT
SSL
Azure DevOps
CI/CD
Agile
Relational databases
Web services
Enterprise web applications
Software engineering
Contract
Toronto
Randstad

Seniority

Senior

Tools

Java
Oracle
SQL
Azure DevOps

Languages

English

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Work requirements

Jobs in Canada