Jobs in Canada

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Added 22 mins ago
Android Engineer
AgileGrid Solutions
Canada
Full-time
We are seeking a highly skilled Staff Android Engineer to join our dynamic team in Toronto, Canada. In this role, you will be instrumental in designing, developing, and maintaining our…
Added 22 mins ago
Data Platform Engineer
AgileGrid Solutions
Canada
Full-time
Added 22 mins ago
Linux Desktop Engineer
Celestica
Toronto, ON
Full-time
The Linux Desktop Engineer will own the design, deployment, configuration, and structural maintenance of Celestica's high-performance Linux computing platform. This role directly supports…
Added 22 mins ago
IAM System Engineer
Mindlance
Toronto, ON
$80 to $95 CAD / hour
Contract
Job Title: Senior IAM Systems Engineer - Advanced
Added 23 mins ago
Customer Success Engineer Pod Lead (AMER)
Tyk Technologies
Remote, Canada
Remote
The Tyk API Management platform is helping to drive the connected world and power new products and services. We’re changing the way that organisations connect any number of their systems…
Added 23 mins ago
Intermediate/Senior WebApp Engineer
FrontLobby Financial Inc
Remote, Canada
Full-time · Remote
We are hiring a Full Stack Software Engineer, intermediate to senior, to join our small remote team. You will plan and ship features across our Vue.js, Node.js, TypeScript, and MySQL…
Added 39 mins ago
Sr Android Engineer
Royal Bank of Canada
Toronto, ON
Full-time
Added 39 mins ago
Lead ML Platform Engineer
Royal Bank of Canada
Calgary, AB
Full-time
We’re looking for an experienced Machine Learning Platform Engineer who will bring focus and subject-matter expertise around designing and implementing machine learning infrastructure and…
Added 54 mins ago
Data Platform Engineer
Xanadu
Toronto, ON
Full-time
As a Data Platform Engineer, you will take Xanadu’s existing data pipelines and transform them into a cohesive data platform. Working alongside hardware researchers, data scientists, and…
Added 54 mins ago
Senior Platform Engineer – RPA & Automation : Toronto, ON : Hybrid : Full time
AceStack
Toronto, ON
Full-time
Role: Senior Platform Engineer – RPA & Automation
Added 1 hour ago
ISE Operations and Project Coordinator
GeoSpectrum Technologies, Inc
Port Coquitlam, BC
Full-time
…cutting-edge technology from concept to delivery. We design, engineer and manufacture state-of-the-art subsea vehicles. Simply put - we make cool and innovative…
Added 1 hour ago
Principal AI Engineer
Royal Bank of Canada
Calgary, AB
Full-time
We are looking for a Principle AI Engineer to drive the development of Data engineering solutions on RBC’s Enterprise Data and AI Hybrid Multi-cloud Platforms, that meet the strategic data…
Added 1 hour ago
Site Reliability Engineer
Royal Bank of Canada
Vancouver, BC
Full-time
Added 1 hour ago
DevOps Developer
Royal Bank of Canada
Toronto, ON
Full-time
…streamlining the software delivery lifecycle? As a Senior DevOps Engineer, you will play a critical role in bridging the gap between development and operations, ensuring that our…
Added 1 hour ago
Telecommunications Systems Analyst
TEKsystems
Calgary, AB
Full-time
The contractor will analyze and translate user telephony configurations from the existing PBX platform to the next-generation PBX environment supporting Microsoft Teams Phone.…
Added 2 hours ago
Senior Data Engineer - Zonda - Toronto, Ontario
CoStar
Toronto, ON
$120,000 to $150,000 CAD / year
Full-time
The Senior Data Engineer is responsible for designing, building, and operating reliable, scalable data pipelines and data products across a modern cloud data platform.
Added 2 hours ago
Lead Mobile Engineer- React Native
AI Interviews
Toronto, ON · Greater Toronto Area, Canada
Full-time
We are seeking a Senior/Lead React Native Engineer with 8+ years of mobile engineering and 5+ years of production React Native experience.Strong expertise in React Native 0.76+, New…
Added 2 hours ago
Développeur Logiciel Systèmes de Build / Build Systems Software Developer
OPAL-RT TECHNOLOGIES India Pvt. Ltd.
Montreal, QC
Other
Added 2 hours ago
Senior Security Detection Engineer (Global Security)
Royal Bank of Canada
Toronto, ON
Full-time
The role of the Senior Security Detection Engineer is to provide specialized subject matter expertise for the Detection Engineering & Automation (DEA) team, for RBC's Global Cyber Security.…
Added 2 hours ago
Senior Data Engineer
Style Analytics
Montreal, QC
Full-time
We’re looking for a Senior Data Engineer to help design and deliver scalable data solutions that power decision-making across the organization. In this role, you’ll take ownership of key…
Added 4 hours ago
Senior Data Engineer - Zonda - Toronto, Ontario
CoStar
Toronto, ON
$120,000 to $150,000 CAD / year
Full-time
The Senior Data Engineer is responsible for designing, building, and operating reliable, scalable data pipelines and data products across a modern cloud data platform.
Added 4 hours ago
Senior Data Platform Engineer - Zonda - Toronto, Ontario
CoStar
Toronto, ON
$140,000 to $170,000 CAD / year
Full-time
We are looking for a Senior Data Platform Engineer to design, automate, and operate the shared capabilities that underpin our enterprise data platform.
Added 4 hours ago
Senior Data Quality Engineer - Zonda - Toronto, Ontario
CoStar
Toronto, ON
$120,000 to $150,000 CAD / year
Full-time
We are looking for a Senior Data Quality Engineer to build and operate the testing and validation capabilities that ensure data delivered through our enterprise data platform is accurate,…
Added 4 hours ago
AI Engineer
GEI Consultants, Inc.
Guelph, ON
$110,000 to $150,000 CAD / year
Full-time
The AI Engineer plays a hands-on role in active AI Solutions Factory use cases by implementing AI-based solutions, integrating enterprise data sources, and supporting solution reliability…
Added 5 hours ago
Controls Engineer
Actalent
Cambridge, ON
Contract
The Control Engineer is tasked with developing and maintaining control system software for custom robotic control systems, data acquisition, and inspection systems, as well as other…

FICO

Sr AI Developer Platform/ Platform Engineering

Canada

Job type: Full-time
Posting language: English
Posted: Sep 28, 2026

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Original job description

Come join our engineering team in a hands-on technical role at the heart of a new discipline: Harness Engineering. As AI coding agents take on more of the software lifecycle, the hard part is no longer writing code - agents generate it faster than humans can review it, so the bottleneck shifts to verification and trust. Harness Engineering exists to break that bottleneck: engineering the environment that steers agents toward correct, maintainable, well-architected output so that quality is enforced by the system, not re-audited by a person on every change.

We call that environment the harness (Agent = Model + Harness). As a Lead Harness Engineer you'll build and own the individual controls that make up that harness, working end-to-end from problem to production.

This position is not eligible for Visa sponsorship.

What You’ll Contribute

Design, develop, deploy, and support components of the harness - the guides, feedback loops, guardrails, and shared context that turn raw model capability into production-grade engineering. This is a hands-on role focused on systems and leverage, not hand-writing application code.
Build feedforward guides - agent instruction files, reusable skills, architectural rules, reference docs, and codemods - that help agents get it right the first time.
Build feedback sensors - custom linters, static analysis, structural and architecture-fitness tests, verification loops, and LLM-as-judge reviewers - that catch issues before they reach human reviewers.
Run the steering loop - when an agent repeats a mistake, engineer a control so it can't happen again - and help keep repository knowledge (docs, specs, context) legible to agents, fighting drift.
Contribute to quality gating and release criteria, and to LLM testing that ensures AI-generated output meets quality and safety thresholds.
Help improve observability into agent work and track the measures that matter - cost per merged PR, time-to-merge for agent-assisted PRs, review velocity relative to PR size, defect escape rate, and agent-PR survival rate.
Evaluate the stability, compatibility, scalability, interoperability, and performance of harness components.
Continually learn new techniques in agent-augmented engineering and serve as a source of technical expertise and mentor to junior team members.

What We’re Seeking

Bachelor's/Master's in Computer Science or related disciplines, or relevant experience in software architecture, design, development, and testing.
Strong software engineering background; you've worked in large codebases and care about architecture, testing, and maintainability.
Comfortable building tooling across a modern stack - linters and static analysis, CI pipelines, containerized build/test environments, and instrumentation/observability - and familiar with agent instruction conventions such as AGENTS.md.
Hands-on experience with AI coding agents (e.g. Claude Code, Codex, or similar) and a feel for where they succeed and fail.
Experience with spec-driven development, context engineering, agent orchestration, fitness functions, and developer-platform work.
A systems mindset - you'd rather fix the environment than fix one output - and the ability to encode "what good looks like" into mechanical, repeatable rules.
Judgement about when to reach for deterministic, computational controls (type checkers, linters, structural/architecture-fitness tests) versus inferential, LLM-based ones (AI code review, LLM-as-judge) - and an understanding of the cost, speed, and reliability trade-offs between them.
Clear communicator; able to articulate design with architects and discuss strategy and requirements with teams.

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More about this job

Responsibilities

Design, build, deploy, and support harness controls - including agent guidance, automated feedback, guardrails, verification, and shared repository context - to improve the quality and maintainability of AI-generated code. Improve quality gates, testing, observability, and performance measures for agent-assisted development, while evaluating harness components and mentoring junior team members.

Requirements

Candidates should have a bachelor's or master's degree in computer science or a related discipline, or relevant software architecture, development, and testing experience, along with a strong engineering background in large codebases. They should have hands-on experience with AI coding agents and developer tooling, understand agent orchestration and context engineering, and be able to choose appropriate deterministic or LLM-based quality controls.

Skills

Harness Engineering
AI Coding Agents
Software Architecture
Static Analysis
Linters
CI Pipelines
Observability
Agent Orchestration
Context Engineering
Spec-Driven Development
Architecture-Fitness Testing
LLM-Based Code Review
Quality Gating
Testing
Technical Communication

Visa sponsorship

Not detected in the job text

Keywords

Harness Engineering
AI Coding Agents
Claude Code
Codex
Agent Instructions
AGENTS.md
Reusable Skills
Architectural Rules
Codemods
Linters
Static Analysis
CI Pipelines
Containerized Build And Test Environments
Structural Testing
Architecture-Fitness Tests
Verification Loops
LLM-as-Judge
Quality Gating
LLM Testing
Observability
Agent Orchestration
Context Engineering
Spec-Driven Development
Developer Platforms
Type Checkers
Software Architecture
Maintainability
Release Criteria
Agent-Assisted PRs
Defect Escape Rate

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