Principal Software Engineer – AI Infrastructure (Ontario)

Principal Software Engineer – AI Infrastructure (Ontario)

24 Aug
|
Apexon
|
Ontario

24 Aug

Apexon

Ontario

10+ years of experience building and operating production-scale distributed systems.
Proven experience designing and developing scalable backend platforms and services.
Solid understanding of software architecture, system design, and cloud-native development.
Experience translating ambiguous business requirements into technical solutions and execution plans.
Data & AI Platform Experience Experience building features for ML inference pipelines.
Strong understanding of:
Data processing frameworks
Experience enabling machine learning workloads in production environments.
AI-Assisted Development Demonstrated proficiency with modern AI development tools, including:
LLM-powered engineering workflows
Agentic coding assistants
Ability to effectively leverage AI tools to improve code quality, engineering productivity, and development speed.
Greenfield Product Development Proven track record of taking systems and platforms from 0 to 1.
Comfortable working with undefined requirements and rapidly evolving priorities.
Strong ownership mindset with the ability to drive initiatives independently.
Ability to lead architectural discussions and influence technical direction.




Experience communicating complex technical concepts across engineering and business stakeholders.
Strong decision‑making skills around system design, scalability, reliability, and maintainability.
Technical Skills Java
Spring Boot
REST APIs
AWS
Compute, Storage, Networking
IAM
Cloud-native Architecture
AI / Data Platforms Databricks
Programming Languages Java
Python
Development Tools AI-Assisted Development Tools
Modern CI/CD Practices
Ideal Candidate Profile You will be successful in this role if you: Have built AI-enabled platforms rather than simply consuming AI technologies.
Have experience supporting ML inference and production AI systems.
Use AI tools extensively to improve engineering efficiency and quality.
Thrive in startup-like environments with high ownership and rapid execution.
Enjoy solving complex technical challenges with limited direction.
Collaborate effectively across Engineering, Product, and Data Science teams.
Influence through technical excellence, architecture, and hands‑on execution.

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📌 Principal Software Engineer – AI Infrastructure (Ontario)
🏢 Apexon
📍 Ontario

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