Senior AI Engineer

Sun Life Financial, Inc.

$90K — $140K *
Enterprise Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or a related field, or equivalent experience.
  • 5+ years of software engineering experience; 3+ years on AWS.
  • Hands-on experience with AI and Machine Learning solutions in production.
  • Strong Python skills and experience with RESTful APIs and event-driven services.
  • Practical experience with core AWS services and Amazon Bedrock.
  • Experience in building RAG solutions, including document processing.
  • Familiarity with AWS security practices and operations.

Responsibilities

  • Design, develop, and operate AI and Machine Learning solutions using AWS services.
  • Build applications using foundation models and tools like Amazon Bedrock.
  • Create secure retrieval-augmented generation (RAG) pipelines.
  • Engineer solutions with controlled tool access and error handling.
  • Develop scalable serverless services using AWS technologies.
  • Implement security controls and best practices for data protection.
  • Provide post-production support and troubleshoot complex issues.

Benefits

  • Wellness programs focused on mental, physical, and financial health.
  • Opportunities for career advancement with networking potential.
  • Flexible work environment, choosing between home and office.
Full Job Description
Job Description:

Corporate IT is seeking an experienced Senior AI Engineer to design, develop, deploy, and support enterprise-grade Artificial Intelligence, Machine Learning, and Generative AI solutions on AWS. The successful candidate will combine strong software engineering capabilities with hands-on knowledge of AWS AI/ML and application services to build secure, scalable, observable, and production-ready solutions that drive measurable business value.

This role will collaborate with architects, product owners, data engineers, security and governance partners, and business stakeholders to deliver AI-powered applications, retrieval-augmented generation (RAG) solutions, intelligent agents, automation workflows, and reusable AI platform capabilities. The ideal candidate has a proven record of taking complex software and AI solutions from design through production operations.

What will you do?

  • Design, develop, test, deploy, and operate AI, Machine Learning, and Generative AI solutions using AWS services and approved enterprise architecture patterns.
  • Build production applications using foundation models through Amazon Bedrock, including prompt engineering, RAG, tool use, intelligent agents, and workflow automation.
  • Design secure RAG pipelines covering document ingestion, chunking, embeddings, indexing, retrieval, grounding, evaluation, and governance using Amazon S3 and approved vector-search technologies.
  • Engineer agentic solutions with controlled tool access, orchestration, state and memory, error handling, authorization, human approval points, and auditable execution.
  • Build scalable serverless and containerized services using AWS Lambda, Amazon API Gateway, AWS Step Functions, Amazon EventBridge, and, where appropriate, Amazon ECS or Amazon EKS.
  • Implement fit-for-purpose data and persistence patterns using Amazon S3, Amazon DynamoDB, Amazon Aurora or Amazon RDS, and AWS Glue.
  • Apply enterprise security and governance controls, including least-privilege AWS IAM, encryption with AWS KMS, secrets management, private connectivity, data protection, model guardrails, and auditable access patterns.
  • Implement automated evaluation, testing, monitoring, tracing, and cost controls for AI applications, including model and tool-call quality, latency, reliability, safety, and usage metrics.
  • Build CI/CD pipelines and infrastructure as code; contribute reusable components, engineering standards, automated quality gates, security guardrails, and operational runbooks.
  • Create and maintain technical design artifacts covering application functionality, architecture, data flows, interfaces, integrations, security controls, and operational requirements.
  • Provide post-production support, troubleshoot complex issues, optimize performance and cost, and continuously improve deployed solutions.
  • Collaborate effectively in an Agile environment, communicate technical trade-offs clearly, and mentor junior team members.

What do you need to succeed?

  • Bachelor's degree in Computer Science, Software Engineering, Data Science, or a related field, or equivalent practical experience.
  • 5+ years of professional software engineering experience, including 3+ years building and operating solutions on AWS.
  • Hands-on experience delivering AI, Machine Learning, or Generative AI solutions in production environments.
  • Strong Python development skills and experience designing, testing, and integrating RESTful APIs and event-driven services.
  • Practical experience with Amazon Bedrock and core AWS application services such as AWS Lambda, Amazon API Gateway, AWS Step Functions, Amazon EventBridge, Amazon S3, Amazon DynamoDB, and Amazon Aurora or Amazon RDS.
  • Experience building RAG solutions, including document ingestion, chunking, embeddings, retrieval, grounding, evaluation, and vector databases or vector-search services.
  • Experience developing AI agents or tool-using workflows, including orchestration, state or memory, safe tool access, error handling, and human approval points.
  • Working knowledge of AWS security and operations, including AWS IAM, AWS KMS, secrets management, logging, monitoring, tracing, and incident support.
  • Experience with Git-based development, automated testing, CI/CD, and infrastructure as code using Terraform, AWS CDK, or AWS CloudFormation.
  • Understanding of containerization and cloud deployment patterns using Docker and at least one of Amazon ECS or Amazon EKS.
  • Strong communication, collaboration, analytical, and problem-solving skills, with the ability to explain technical decisions to varied stakeholder groups.

Preferred qualifications

  • Experience with Amazon Bedrock Knowledge Bases, Amazon Bedrock Guardrails, Agents for Amazon Bedrock, or Amazon Bedrock AgentCore.
  • Experience with Amazon SageMaker for custom machine learning development, training, deployment, or MLOps.
  • Experience with Amazon OpenSearch Service, PostgreSQL with pgvector, or other enterprise vector-search technologies.
  • Experience with AWS Glue, data pipelines, PySpark, or analytics workloads.
  • Experience developing user interfaces with React.
  • Experience with Amazon QuickSight when analytics dashboard development is part of the solution.

What's in it for you

  • 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 needs to choose where you work, at home or in the office

Unique Requirements:
  • This role requires Reliability Status Clearance. In addition to a law enforcement inquiry and a credit check, as part of your application, the Government of Canada will ask if you lived or travelled outside of Canada for 6-consecutive months during the last 5 years, and you must account for all activities during this time. Important: Obtaining Reliability Status Clearance within a reasonable amount of time is a condition required to start employment for this role at Sun Life.
  • 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.

Salary Range:
90,000/90 000 - 140,000/140 000

Job Category:
IT - Application Development

Posting End Date:
29/09/2026

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