Internship Software Engineer Startup Jobs in Ontario

You are as unique as your background, experience and point of view. Here, you'll be encouraged, empowered and challenged to be your best self. You'll work with dynamic colleagues - experts in their fields - who are eager to share their knowledge with you. Your leaders will inspire and help you reach your potential and soar to new heights. Every day, you'll have new and exciting opportunities to make life brighter for our Clients - who are at the heart of everything we do.

At Sun Life, we're driven by our Purpose: helping our Clients achieve lifetime financial security and live healthier lives. Our values shape how we work: caring, authentic, bold, inspiring, and impactful.

When you join Sun Life, you'll work with passionate colleagues and empowering leaders who support your growth and celebrate your contributions, so you can make a meaningful difference in our Clients' lives.

Discover how you can make a difference in the lives of individuals, families and communities around the world.

Job Description:

Sun Life is seeking talented professionals at all experience levels to join our dynamic Corporate IT team and help deliver cutting-edge enterprise applications that improve lives for our clients worldwide.

As a ServiceNow Associate Software Engineer in our Corporate IT division, you'll be at the heart of designing, developing, and supporting business-critical applications that power Sun Life's operations. You'll collaborate with experienced teams in an Agile environment to build scalable, reliable solutions that matter.

This role combines hands-on development with operational excellence.

What will you do?

• Design, develop, test, and maintain enterprise software applications and integration solutions
• Translate business and technical requirements into effective solution designs
• Write, maintain, and optimize code, scripts, and automation tools
• Partner with cross-functional teams-engineers, product owners, and business stakeholders-to deliver real results
• Participate fully in Agile ceremonies: sprint planning, stand-ups, and retrospectives
• Provide hands-on application support, resolving incidents and troubleshooting issues
• Contribute to clear system and project documentation
• Champion security, compliance, and change management best practices
• Identify and drive automation opportunities that enhance efficiency
• Join rotational on-call support to ensure production systems run smoothly

What do you need to succeed?

Education & Experience

• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience)
• Recent graduates with 0-2 years of internship/co-op experience, OR professionals with 3-5 years of software development or application support experience

Technical Skills

• Hands-on programming experience with languages like JavaScript, Python, or similar
• Solid understanding of SQL and relational databases
• Experience with scripting and automation (PowerShell, shell scripting) -
• Knowledge of software development lifecycle concepts (Agile, DevOps)
• Bonus: APIs, integrations, enterprise systems, CI/CD pipelines, cloud platforms, or modern DevOps practices

Professional Qualities

• Sharp problem-solving and analytical thinking
• Genuine passion for learning new technologies and tools
• Clear communicator who thrives in collaborative teams
• Team player with a customer-first mindset

Nice to Have

• ServiceNow development experience (scripts, UI policies, security rules)
• Third-party risk management knowledge
• Exposure to financial systems or enterprise applications
• Cloud technologies or modern data platform expertise
• Automation frameworks or workflow tools experience
• IT service management process knowledge (incident, change, problem management)
• Onsite-offshore delivery model experience

What's In It For You?

• A flexible, inclusive workplace where you can be your authentic self
• Exposure to enterprise-scale technology platforms used by millions
• Clear pathways for career growth and continuous learning
• Mentorship and collaboration with experienced engineering teams
• A flexible group insurance program starting on your first day of work to meet your needs and those of your family
• Our Share Ownership Program gives you the opportunity to invest in Sun Life while benefiting from employer matching contributions
• We are proud to be included in Great Place to Work's 2026 list of Canada's Best Workplaces.

The Base Pay range is for the primary location for which the job is posted. It may vary depending on the work location of the successful candidate or other factors. In addition to Base Pay, eligible Sun Life employees participate in various incentive plans, payment under which is discretionary and subject to individual and company performance. Certain sales focused roles have sales incentive plans based on individual or group sales results.

Diversity and inclusion have always been at the core of our values at Sun Life. A diverse workforce with wide perspectives and creative ideas benefits our Clients, the communities where we operate and all of us as colleagues. We welcome applications from qualified individuals from all backgrounds.

Persons with disabilities who need accommodation in the application process, or those needing job postings in an alternative format, may e-mail a request to thebrightside@sunlife.com.

We are proud to be a hybrid organization that offers our employees the choice and flexibility to work from both the office and virtually based on the needs of the business, our Clients and you.

We may use artificial intelligence to support candidate sourcing, screening, interview scheduling.

We thank all applicants for showing an interest in this position. Only those selected for an interview will be contacted.

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