Jobs in Markham, ON and nearby (23,359 jobs)

Jobs within 25 km of Markham, ON, Canada. Nearby towns and cities are included. Distances are straight-line, not driving distances.

23,359 listings · 3,996 employers Counted Nov 13, 2026. How we count

About these jobs

Employers hiring include Loblaw Companies Limited (474 listings), Shoppers Drug Mart (442 listings), Walmart Canada (361 listings).

Common roles: Retail sales associate, Project manager, Personal support worker.

4,337 of these listings include employer-provided pay. Open a job to see its currency and pay period.

Advertised starting pay
Pay period	Median starting pay	Listings
CAD / hour	22.26	2,216
CAD / year	75,000.00	1,948
CAD / month	4,250.00	12

Employer-listed minimums from at least 10 listings per currency and pay period. These are advertised starting amounts, not employee salaries. Jobs without a minimum and unusual amounts are excluded.

Workplace classifications: 0% remote, 17% hybrid, 83% on-site, 0% not specified. Hybrid and on-site classifications may be inferred from descriptions. Check the original ad.

Based on the dated count above. Listings can change. How we count

Jobs in Markham, ON and nearby

Within 25 km

Group jobs by employerEmail me new jobs Save this search

Added 1 day ago
SD
Full Time Intervenor to Support People Who Are Deafblind
Sensity Deafblind and Sensory Support Network of Canada
Toronto, ON
- Full-time
Added 1 day ago
FH
IT Administrator
Fuze HR Solutions
Toronto, ON
- Full-time
Added 1 day ago
QC
Salesforce Administrator (hybrid, North York)
Quarry Consulting
Toronto, ON
- Contract
Type: Hybrid – 3 days per week on-site
Added 1 day ago
RN
Manager, Plant Engineering
Riverside Natural Foods Ltd. (Home of MadeGood)
Toronto, ON
- Full-time
Added 1 day ago
TH
TRANSPORTATION ANALYST
The Home Depot
Vaughan, ON
- Full-time
Added 1 day ago
MI
IL6S Co-op
Mondelēz International
Toronto, ON
- $25 CAD / hour
- Full-time
Added 1 day ago
CC
Automotive Collision Detailer
CSN Collision
Pickering, ON
- Full-time
Added 1 day ago
W
Principal Geotechnical Engineer, P.Eng. – Tailings and Dams
Worley
Markham, ON
- Full-time
Added 1 day ago
QM
Wellness Manager
Quantum Management Services Ltd.
Richmond Hill, ON
- $80,000 to $90,000 CAD / year
- Full-time
Added 1 day ago
M
Recruitment Coordinator
Mecka
Richmond Hill, ON
- $70,000 to $80,000 CAD / year
- Full-time
Added 1 day ago
VE
Account Manager - Chemical Water Treatment Solutions
Veolia Environnement SA
Toronto, ON
- Full-time
All vendors must have a current and fully executed MSA on file before submitting candidates
Added 1 day ago
UH
Technical Assistant, Research - Glass Washing & Sterilization Facilities
University Health Network
Toronto, ON
- Contract
Added 1 day ago
T
Business Insights Analyst I
TD
Markham, ON
- Full-time
Added 1 day ago
OV
Manager, Strategic Sourcing and Procurement - Full Time - Markham Stouffville Hospital
Oak Valley Health
Markham, ON
- Full-time
Added 1 day ago
Registered Nurse
SRCHC
Toronto, ON
Added 1 day ago
S
Researcher
SRCHC
Toronto, ON
- Part-time
- Contract
Added 1 day ago
S
Physician
SRCHC
Toronto, ON
- Full-time
Added 1 day ago
D
Dental Assistant - Dawson Dental Aurora
dentalcorp
Aurora, ON
- Part-time
Added 1 day ago
VH
RPN - Hospital and Partnership Program (York Region)
VHA Home HealthCare
Vaughan, ON
- Part-time
The successful candidate will work morning shifts (9:00 AM to 1:00 PM) and participate in a bi-weekly weekend rotation
Added 1 day ago
VH
RPN - Hospital and Partnership Program (York Region)
VHA Home HealthCare
Toronto, ON
- Part-time
The successful candidate will work morning shifts (9:00 AM to 1:00 PM) and participate in a bi-weekly weekend rotation
Added 1 day ago
VH
RPN - Hospital and Partnership Program (York Region)
VHA Home HealthCare
Richmond Hill, ON
- Part-time
The successful candidate will work morning shifts (9:00 AM to 1:00 PM) and participate in a bi-weekly weekend rotation
Added 1 day ago
VH
RPN - Hospital and Partnership Program (York Region)
VHA Home HealthCare
Markham, ON
- Part-time
The successful candidate will work morning shifts (9:00 AM to 1:00 PM) and participate in a bi-weekly weekend rotation
Added 1 day ago
AA
Customer Service Representative - Auto Body (North York-Thornhill)
Assured Automotive
Vaughan, ON
- Full-time
Valid driver’s license required
Added 1 day ago
TT
Full-Stack Developer (Co-op)
Tetra Tech
Pickering, ON
- Full-time
Added 1 day ago
MC
Automotive Detailer (Part-Time)
Mint Condition Auto Inc.
Concord, ON
- Part-time

Tetra Tech

Full-Stack Developer (Co-op)

Pickering, ON, Canada

The expected annual compensation range for this position is $20 per hour to $25 per hour. · Full-time

Apply on LinkedIn About employer

Applications open in a new tab.

Job details

Pay: The expected annual compensation range for this position is $20 per hour to $25 per hour.
Job type: Full-time
Apply by: Dec 12, 2026
Experience: Full-Stack Development – At least 1 year of experience (through coursework, personal projects, internships, or co-op terms) with modern full-stack development
Posting language: English
Posted: Nov 12, 2026

Original job description

Discover your full potential. At Tetra Tech, we are collaborating with industry-leading experts for a sustainable future for our world. We combine consulting and engineering with advanced analytics and technology to solve the world’s most complex challenges. Our innovation hubs across the globe will enable you to share ideas and best practices while growing your professional network. Wherever you are in your career journey, you will benefit from working with world-class engineers, scientists, and technical specialists.

Apply today and join the company that is Leading with Science®.

Your Role

We are currently seeking a Full-Stack Developer (Co-op) for our Pickering/Mississauga, ON office. This posting is for an existing vacancy for which we are actively recruiting. To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skills and abilities required by the position. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Responsibilities

Backend Development – Develop maintainable backend logic using C# and ASP.NET Core
Build APIs, business logic, and services that support front-end applications and AI-powered features
Frontend Development – Build modern, responsive interfaces using React
Use component-based UI design and state management to create clean user experiences
AI and Automation – Implement OpenAI API and similar AI services to enable natural language processing, automation, and intelligent data insights
Design backend workflows that leverage AI models for dynamic content generation, user interaction, and analytics
API Integration – Develop and consume RESTful APIs to enable communication between distributed services and client apps
Design and document endpoints for scalable, data-driven systems
Software Architecture – Contribute to secure, modular, and maintainable system design
Focus on backend-to-database integration and front-end API consumption within a layered architecture
Database Interaction – Work with Microsoft SQL Server to query, update, and interface with structured data
Excel – track and monitor predetermined set of data points in a spreadsheet with greater than 1,000 rows or columns using macros, Visual Basic, and advanced formulas

Qualifications

Education – 2 nd year to 4 th year student in Computer Science, Software Engineering, or a related field from a recognized college or university
AI Integration – Familiarity with Large Language Models (LLMs) and their practical use through APIs
Experience with the OpenAI API or similar platforms is considered an asset
Full-Stack Development – At least 1 year of experience (through coursework, personal projects, internships, or co-op terms) with modern full-stack development
Proficiency in C# / ASP.NET for backend development and React for frontend development is preferred
AI Development Experience – Previous hands-on experience applying AI in software projects is considered an asset
This may include integrating ML models, using AI APIs, or contributing to AI-enhanced applications
Excel – advanced formulas, macro’s, advanced analytics (trending/splicing, graphing etc.)
Must be able to work as part of a multi-disciplined team

This is a co-op role with flexibility in duration (4 months, 6 months or 1 year)

Compensation

The expected annual compensation range for this position is $20 per hour to $25 per hour. Please note that Tetra Tech considers various factors in determining compensation, including but not limited to education, relevant and demonstrated work experience in the role, skills, geographic location, qualifications, certifications, and other competencies relevant to the needs of the business.

Additional Information

A requirement of working for Tetra Tech is that you are at least 18 years of age and legally entitled to work in Canada. (A copy of a valid work permit may be required.)

If you are considered for the position, clearance on all applicable background checks (which may include criminal, identity, educational and security) and professional reference checks are required. Some Tetra Tech positions require an enhanced level of background assessment, which is dictated by law. These positions require advanced criminal record checks that must also be conducted from time to time after commencement of employment.

About Tetra Tech

Tetra Tech combines the resources of a global, multibillion-dollar company with local, client-focused delivery in more than 500 locations around the world. Our reputation rests on the technical expertise and dedication of our employees - 25,000 associates working together to provide smart, scalable solutions for challenging projects. We are proud to be home to leading technical experts in water, environment, infrastructure, resource management, energy, and international development. Explore our open positions at https://www.tetratech.com/careers. Follow us on social media to learn more about our people, culture, and opportunities:

LinkedIn: @TetraTechCareers

Twitter: @TetraTechJobs

Facebook: @TetraTechCareers

Tetra Tech Canada invites resumes from all interested parties. To apply, please submit your resume and cover letter on the Careers portion of our website at www.tetratech.com/careers .

Tetra Tech CNU hereby confirms that no artificial intelligence systems are used to screen, assess, or select applicants for this position. All applicant information is reviewed and assessed exclusively by human decision-makers throughout every stage of the hiring process.

We thank all applicants for their interest, however, only those candidates selected for interviews will be contacted.

Please no phone calls or agencies.

Additional Information

Organization: 717 CNU

Apply on LinkedIn About employer

More about this job

Responsibilities

Develop and maintain backend services, APIs, and responsive React interfaces, integrating with SQL Server and supporting AI-powered features. Contribute to secure, modular software architecture and use Excel tools to track and analyze large datasets.

Requirements

Applicants must be second- to fourth-year students in Computer Science, Software Engineering, or a related field, with at least one year of full-stack development experience through coursework, projects, internships, or co-op terms. Preferred qualifications include C#/.NET and React proficiency, familiarity with LLMs and AI APIs, advanced Excel skills, and the ability to work on a multidisciplinary team.

Skills

C#
ASP.NET Core
React
Full-Stack Development
OpenAI API
Large Language Models
RESTful APIs
Microsoft SQL Server
Backend Development
Frontend Development
AI Integration
Excel Macros
Visual Basic
Advanced Excel Formulas
Software Architecture
Teamwork

Visa sponsorship

Not detected in the job text

Keywords

C#
ASP.NET Core
React
OpenAI API
Large Language Models
Artificial Intelligence
Natural Language Processing
Automation
RESTful APIs
Microsoft SQL Server
Full-Stack Development
Backend Development
Frontend Development
Business Logic
API Integration
Software Architecture
Layered Architecture
Structured Data
Excel
Macros
Visual Basic
Advanced Formulas
Data Analytics
Data Visualization
Computer Science
Software Engineering
Co-op

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Jobs in Markham, ON and nearby