Senior Full Stack Developer Jobs in Waterloo, ON

We are looking for a Software Development Intern to support ongoing development, maintenance, and operational tasks across a production software system. This role is hands-on and will involve working across backend, frontend, database, and basic system administration tasks.

The intern will work closely with the lead developer and contribute to real production changes, not just isolated learning tasks.

Our ideal candidate thrives in a structured, task-driven environment with clear expectations and regular communication. They are comfortable working across a variety of technologies, quick to learn, highly detail-orientedparticularly when working with databases and backend systemsand capable of taking ownership of production-level responsibilities while working independently.

Location: 2200 Eagle Street North, Cambridge

Wage: $24.00-$28.00 per hour

Role and Responsibilities:

• Assist in debugging and fixing backend issues
• Write and update APIs (Node.js / Python)
• Support data extraction and manipulation from SQL Server
• Help implement small feature updates and bug fixes
• Write and optimize SQL queries and scripts
• Update stored procedures, views, and scripts
• Assist in data correction and migration tasks
• Support reporting and data validation tasks
• Update and maintain scheduled jobs (cron jobs / task schedulers)
• Automate routine backend processes
• Monitor job execution and fix failures
• Assist with UI updates in React
• Fix frontend bugs and styling issues
• Support integration between frontend and backend APIs
• Monitor application health and logs
• Identify and report production issues
• Assist in deployment verification and basic DevOps tasks
• Add/remove users in system
• Basic user account troubleshooting
• Assist with customer support queries when needed (non-technical escalation handling)

Required Skills:

• Node.js
• React.js
• SQL Server
• HTML/CSS fundamentals
• Understanding of REST APIs
• Basic debugging and problem-solving ability
  

Nice to Have

• Experience with cron jobs / scheduled tasks
• Familiarity with logging/monitoring tools
• Basic DevOps exposure (CI/CD, deployments)
• Git version control
• Understanding of production systems

So why work for us?

• Real-world production engineering experience
• Exposure to full-stack systems (frontend, backend, database)
• Experience working directly on live business systems
• Opportunity to work closely with senior developer/lead engineer
• Strong portfolio of real projects and production fixes
• The 401 Group of Companies is privately owned and 100% Canadian
• A fun, fast-paced, and high-energy work environment with exciting initiatives and rewarding perks.
• Personalized coaching, mentoring, and training focused on both individual growth and team success.
• Empowering you to grow with meaningful career path planning and advancement opportunities.
• Health & wellness benefit enrollment opportunities
• Employee referral bonus opportunities
• Enjoy exclusive employee pricing on automotive parts and service, along with a special discount at the Blackshop.
• Perkopolis Enrollment
• On-site Parking

The 401 Group of Companies, is proud to be recognized as one of Canada's fastest growing Elite Business Management Groups offering a full line of automotive, recreational vehicle, powersport and marine products and services. Our headquarters is located in the thriving city of Cambridge, Ontario. Our brands include but aren't limited to Kia, Mitsubishi, Volkswagen, Hyundai, Subaru, Honda, Nissan, Toyota, Chrysler, Jeep, Dodge, Ram, Buick, GMC, Yamaha, 401 Auto Financing, CampMart and Grand River Boats.

If you have a growth mindset like us, we'd love to see your resume and have a conversation. The opportunities at the 401 Group of Companies are endless!

This posting reflects a current and active opening.

Accommodations are available during all stages of the recruitment process in accordance with the Human Rights Code.The 401 Group of Companies Recruiting Team is committed to complying with the Accessibility for Ontarians with Disabilities Act (AODA) to provide an inclusive, barrier free workplace. We will accommodate the accessibility needs of individuals with disabilities to support participation in all aspects of the recruitment process. Should you require this accommodation, please contact HR, 226-535-9077 orcareers@401auto.ca

We would like to thank all candidates in advance for their interest and only those candidates selected for an interview will be contacted. Due to the volume of applications, we receive, we are unable to confirm the receipt of individual applications or resumes.