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Job Closed

Principal Software Engineer – AI Infrastructure

  • Source: LinkedIn
  • Apexon
  • On-site
  • Toronto
  • Full-Time
  • Staff

Job Description

Required Qualifications

Core Experience

  • 10+ years of experience building and operating production-scale distributed systems.
  • Proven experience designing and developing scalable backend platforms and services.
  • Strong 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 normalization
  • Feature stores
  • Model serving infrastructure
  • Data processing frameworks
  • AI/ML platform architecture
  • Experience enabling machine learning workloads in production environments.

AI-Assisted Development

  • Demonstrated proficiency with modern AI development tools, including:
  • GitHub Copilot
  • LLM-powered engineering workflows
  • Agentic coding assistants
  • AI-assisted software development practices
  • 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.

Architecture & Leadership

  • 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

Backend Development

  • Java
  • Spring Boot
  • REST APIs
  • Microservices Architecture
  • Event-Driven Systems

Cloud & Infrastructure

  • AWS
  • Compute, Storage, Networking
  • IAM
  • Cloud-native Architecture

AI / Data Platforms

  • Databricks
  • ML Model Registry
  • Feature Pipelines
  • Data Platform Engineering

Programming Languages

  • Java
  • Python
  • JavaScript / TypeScript

Development Tools

  • GitHub Copilot
  • 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.

Skills

  • Github
  • gitHub-copilot
  • Java
  • spring
  • spring-boot
  • amazon-web-services
  • azure-databricks
  • databricks
  • Python
  • javascript
  • TypeScript
  • microsoft-typescript
  • thrive
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