Senior AI Platform & Runtime Engineer

HS Financial Technologies; Halifax; On-site; CAD 130,000 - 190,000; Full time

Job summary

HS Financial Technologies (HSFT) seeks a Senior AI Platform and Runtime Engineer to build and operate HSFT's shared AWS platform for AI applications and agents. You will own runtime infrastructure, identity and security, deployment, and reliability, delivering scalable capabilities and reusable standards for engineering teams.

You will design secure, scalable AI workloads on AWS, deploy production LLMs, and collaborate across security, product, and business teams to establish reusable patterns

Qualifications

• 5+ years software engineering, with at least 1 year delivering LLM or agent-based apps in production.
• Production cloud/platform experience with responsibility for services running in production.
• Strong enterprise-cloud experience across identity, networking, compute, storage; AWS preferred.
• IaC and containerized workloads with Terraform, CDK, Docker, ECS, or similar.
• Hands-on with model APIs, tool integration, retrieval, or related patterns.
• Experience designing distributed systems with retries, idempotency, and recovery.

Responsibilities

• Design, build, and operate secure, scalable AI platforms on AWS.
• Own platform architecture across infrastructure, AI services, identity, networking, and observability.
• Automate infrastructure and delivery using Terraform, AWS CDK, and CI/CD tools.
• Deploy and support production LLM and agent workloads (Bedrock and related services).
• Build resilient distributed systems with asynchronous processing and durable state.
• Ensure platform reliability, including SLIs, incident response, and cost optimization.
• Implement identity controls, encryption, secrets management, and auditable access.
• Collaborate with engineering, security, product, and business teams on standards.

Skills

LLM deployment

Cloud architecture

AWS expertise

Terraform

CI/CD

Distributed systems

Security & IAM

Observability

Tools

AWS CDK

Docker

ECS

EKS

OpenID Connect

Job description

HS Financial Technologies (HSFT) seeks a Senior AI Platform and Runtime Engineer to build and operate HSFT's shared AWS platform for AI applications and agents. You will own runtime infrastructure, identity and security, deployment, and reliability, delivering scalable capabilities and reusable standards for engineering teams.

You will design secure, scalable AI workloads on AWS, deploy production LLMs, and collaborate across security, product, and business teams to establish reusable patterns