Internships › Software Engineering › Ontario

Software Engineering internships in Ontario

109 open student roles in software engineering in Ontario, from internships to co-ops and research. That includes 40 co-ops and 2 research positions. 36% list pay or say they are paid. The most common start terms are Winter 2027 and Summer 2027. Employers with the most openings: Geotab, Manulife Financial, AMD, Capital One and General Dynamics UK.

• SOTI New
  Software Developer Intern - SOTI MobiControl Apple HQ (January 2027 12 Months)
  Mississauga, Canada – Meadowvale Office (HQ) +2 · Winter 2027
  Open posting
• StepStone Group New
  2027 Private Equity Infrastructure & Real Assets Co-op Analyst
  Toronto · Winter 2027 · co-op · Paid
  Open posting
• Foresters Financial New
  Quality Assurance Engineer Co-op Student (4-month contract)
  Toronto · co-op · $21.00 - $30.00 per hour
  Open posting
• Altera Corporation New
  Software Engineer - Intern
  Toronto, Ontario, Canada · $95K – $100K
  Open posting
• RTX New
  Internship - Winter 2027 - Software Developer Aerospace Control Systems & Web Applications
  CA-ON-MISSISSAUGA-P22M01 ~ 1801 Courtney Park Dr ~ P22M01 BLDG +2 · Winter 2027
  Open posting
• General Motors New
  2027 Winter Co-op Infotainment Software Developer
  Markham, Ontario, Canada · Winter 2027 · co-op · Paid
  Open posting
• SOTI New
  Quality Assurance Specialist Intern - SOTI Connect (January 2027 12 Months)
  Mississauga, Canada – Meadowvale Office (HQ)
  Open posting
• Entrust New
  Intern, Software Development - Hybrid in Ottawa
  Ottawa, ON +2 · Winter 2027
  Open posting
• Cisco New
  Software Developer Embedded Systems II (Co-op) – Canada
  Kanata, Ontario, Canada +6 · co-op
  Open posting
• Lyft New
  Business Systems Engineer Intern, Finance Technology (Summer 2027)
  Toronto, Canada · Summer 2027
  Open posting
• Royal Bank of Canada New
  2027 Corporate Treasury, Winter Risk Initiatives & Infrastructure, Intern (4 Months)
  TORONTO, Ontario, Canada · Winter 2027
  Open posting
• Intuit New
  Software Developer Co-op
  Toronto, ON +1 · Winter 2027 · co-op
  Open posting
• Kinaxis New
  Developer Intern - Back End Technologies
  Ottawa, ON +1 · Winter 2027
  Open posting
• SOTI New
  Software Developer Intern (January 2027 12 months)
  Mississauga, Canada – Meadowvale Office (HQ)
  Open posting
• Royal Bank of Canada New
  2027 Winter Student Opportunities Technology & Operations - Quantum Technologies Intern, 8 Months
  TORONTO, Ontario, Canada +2 · Winter 2027
  Open posting
• Manulife Financial
  Product Management & Risk Technology Co-op
  Toronto, ON +2 · Winter 2027 · co-op
  Open posting
• Entrust
  Intern – Software Development  - 8 months - Hybrid Ottawa
  Ottawa, ON +2 · Winter 2027
  Open posting
• Marvell
  Software/Firmware Engineer Intern
  CA-ON - Toronto - TOR · Paid
  Open posting
• CIBC
  Software/Application Developer Co-op
  Toronto, ON +1 · Winter 2027 · co-op
  Open posting
• Bank of Montreal
  Quantitative Developer (Alpha Research Team) - GAM, Summer 2027 (Co-op/Internship) - 12 months
  Toronto, ON, CAN +2 · Summer 2027 · co-op, research
  Open posting
• BMO
  Quantitative Developer (Alpha Research Team) - GAM, Summer 2027 (Co-op/Internship) - 12 months
  Toronto, ON, CAN · Summer 2027 · co-op, research
  Open posting
• TD Bank
  Mobile Software Engineer Intern/Co-op​ (Winter 2027)
  Toronto, Ontario +2 · Winter 2027 · co-op · Paid
  Open posting
• Qualcomm
  Low Power AI Software Development Intern - Interim Engineering Intern - Software
  Markham, ON +1 · Summer 2027
  Open posting
• Manulife Financial
  Summer Intern 2027 - Software Engineering (12 Months)
  Waterloo, Ontario · Summer 2027
  Open posting
• Sun Life
  Full Stack Developer Intern
  Toronto, ON +1
  Open posting
• Manulife Financial
  Summer Intern 2027 - Infrastructure Equity Internship
  Toronto, Ontario · Summer 2027 · $40,950.00
  Open posting
• Qualcomm
  Firmware Engineer Intern - Embedded Software Engineering - Embedded Firmware and SDK Development
  Toronto, ON +1 · Summer 2027
  Open posting
• Kinaxis
  Developer Intern Co-op - AI Innovation
  Ottawa, ON +1 · Winter 2027 · co-op
  Open posting
• Nuclear Promise X
  Software Developer Intern
  Ontario +1 · $26-31/hour
  Open posting
• Altera Corporation
  Quartus Compiler Software - Intern
  Toronto, Ontario, Canada · $ 95K – $ 100K
  Open posting
• AMD
  Summer 2027 Long Term Thermal Mechanical Test Engineer Intern/Co-op
  MARKHAM, Ontario, Canada · Summer 2027 · co-op
  Open posting
• Royal Bank of Canada
  Software Engineer Intern - Investor Services - Months
  Toronto, ON +1
  Open posting
• Nokia
  Incubation Developer Student Intern
  Ottawa, ON +1
  Open posting
• DoorDash
  Software Engineer Intern - Summer 2027
  Toronto, ON +9 · Summer 2027
  Open posting
• Definity Financial
  Technology Solutions Co-op Intern - Data Platform & Engineering
  Toronto, ON +1 · Winter 2027 · co-op
  Open posting
• BDO Canada
  Co-op or Intern, DevOps Engineer (January 2027)
  Oakville · co-op · $51,000-$78,000
  Open posting
• Royal Bank of Canada
  2027 Capital Markets, Global Equities, Algorithmic Trading Developer (16 Months, Co-op)
  TORONTO, Ontario, Canada +2 · Summer 2027 · co-op · $60,000.00 - $100,000.00
  Open posting
• BDO Canada
  Co-op or Intern, Full-Stack Developer (January 2027)
  Oakville +4 · Winter 2027 · co-op · $51,000-$78,000
  Open posting
• BDO Canada
  Co-op or Intern, Technology - BizApps (January 2027)
  Oakville · co-op · $51,000-$78,000
  Open posting
• Superhuman
  Software Engineering Intern - Summer 2027
  Toronto, Canada +13 · Summer 2027 · $50.00
  Open posting

Showing the 40 newest of 109. See every one on the dashboard, ranked for your profile.

Get new ones in a Discord or Slack channel, or a feed reader: RSS feed

Applying to a few? The free Auto-Apply extension fills in the application for you and stops at the submit button.

Updated October 1, 2026. Listings are collected from public job boards several times a day; always check the posting on the employer's site before applying.