Intermediate Software Developer Jobs in Markham, ON

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

Job Description:

About the role:

The Enterprise Data & Analytics Enablement team is looking for a highly experienced, hands-on Lead Software Engineer to lead our MLOps team within an Analytics Platform, emphasizing AWS cloud services and machine learning operations. The successful candidate will have strong technical and problem-solving skills and the ability to lead a team of MLOps Engineers. This unique opportunity offers a dynamic space and a chance to collaborate with multiple technical and business teams.

What you will do:

• Provide technical leadership for the MLOps squad within the Analytics Platform, influencing architecture and standards across multiple teams
• Design, build, and evolve productiongrade MLOps and ML platform capabilities, including model lifecycle management, CI/CD, evaluation, monitoring, and governance
• Spend ~60% handson in software engineering, building highquality, testable, maintainable services, frameworks, APIs, and shared libraries that enable ML and GenAI at scale
• Spend ~40% on platform, cloud, and MLOps enablement, ensuring solutions are secure, scalable, observable, and costeffective
• Act as a technical authority for AWSbased ML platforms, leading design decisions and guiding adoption of new cloud and GenAI services
• Establish and evolve engineering and MLOps standards, patterns, and best practices across squads
• Partner closely with Architecture, Security, Risk, and Product teams to reduce delivery, operational, and model governance risk
• Lead by example through code reviews, design reviews, incident analysis, and operational improvements
• Mentor senior and intermediate engineers, raising the overall technical bar without direct people management

What you need to succeed

• A deep software engineering background, with a strong track record of building and operating largescale, production systems
• Extensive handson experience with AWS in production, including infrastructure design, deployment, and optimization
• Strong experience with
• Distributed systems and cloudnative architectures
  • CI/CD pipelines and automation
  • Observability, reliability, and incident response
  • Practical experience with MLOps, ModelOps, ML platforms, or LLMOps in enterprise environments
• Proficiency in one or more of: Python, Java, Scala, and InfrastructureasCode tooling (Terraform / CloudFormation)
• Ability to operate at Lead scope, influencing architecture and decisions across multiple teams and domains
• Exceptional communication skills, with the ability to explain complex technical concepts to both technical and nontechnical stakeholders

Preferred skills:

• Deep familiarity with AWS analytics, ML, and GenAI services, including evaluation and monitoring tooling
• Experience designing or supporting enterprise MLOps / ML platform frameworks used by multiple teams
• Strong understanding of securityfirst design, governance, and compliance in regulated environments
• Experience balancing innovation with operational supportability in platform teams
• Proven ability to mentor and influence without formal authority
• Strong product and business awareness, enabling pragmatic technical tradeoffs
• We value analytical thinking and continuous learning. Through training and coaching, you can improve your data literacy and apply insights in meaningful ways, regardless of experience level.

What's in it for you:

• We're honoured to be recognized as a 2026 Best Workplaces in Canada by Great Place to Work Canada.
• We are thrilled to be recognized by Excellence Canada with their top-level certification, the Canada Order of Excellence for Mental Health at Work,for prioritizing employee well-being, fostering a positive work culture, and achieving excellence in mental health.
• Wellness programs that support the three pillars of your health - mental, physical, and financial
• The opportunity to move along a variety of career paths with amazing networking potential.
• As a hybrid organization, you and your leader use business and Client need to choose where you work, at home or in the office

As a condition of the role, the successful candidate must obtain a Government of Canada Reliability Status security clearance through Sun Life in advance of the start date

Must be able to satisfactorily complete applicable background checks prior to the start date and during employment, in accordance with Sun Life's policies and practices

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! Several work options are available and can be discussed throughout the selection process depending on the role requirements and individual needs.

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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