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Added 3 mins ago
MM
Senior Forward Deployed Engineer
Mitchell Martin Inc.
Mississauga, ON
- $73 to $78 CAD / hour
- Other
Join a dynamic team as a Senior Forward Deployed Engineer, working directly with clients in a hybrid setting. This role involves architecting and deploying solutions while engaging with…
Added 3 mins ago
RD
Full Stack Engineer
Randstad Digital
Toronto, ON
- Contract
Added 3 mins ago
MM
Senior Forward Deployed Engineer
Mitchell Martin Inc.
Mississauga, ON
- $62 to $67 CAD / hour
- Other
Join us as a Senior Forward Deployed Engineer in a dynamic, client-facing role within the Fintech industry. This full-time, hybrid position involves collaborating with clients to architect…
Added 33 mins ago
Unified Customer Experience - Senior Software Engineer
Questrade Financial Group
Calgary, AB
The Software Engineer is responsible for designing, building, testing, and deploying features across the full software development lifecycle, on the front end (React Native, ReactJS), the…
Added 1 hour ago
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Lead Software Engineer, Full-Stack Applications - AI Fluent
Fitch Ratings
Toronto, ON
- $180,000 to $220,000 CAD / year
- Full-time
Lead Software Engineer, Full-Stack Applications – AI Fluent
Added 1 hour ago
System Architect - Krembil Centre for Neuroinformatics
CAMH
Toronto, ON
Reporting to the KCNI Operations Manager, the full-time, contract (12 months) Solution Architect leads the cloud and solution architecture for the IYS data platform. Built on Google Cloud…
Added 1 hour ago
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Senior Product Engineer
TestFactors
Toronto, ON · Greater Toronto Area, Canada
- Full-time
…activities and streamlines quality assurance. Its solutions provide full traceability from test to defect to retest, enabling more transparent and reliable testing cycles. TestFactors…
Added 1 hour ago
RI
Senior Full Stack Engineer - Java / AI
Rose International
Mississauga, ON
- Full-time
Join a dynamic Front Office Technology team as a Senior Software Engineer (Java / AI), helping build the future of financial technology.
Added 3 hours ago
CG
Senior Software Engineer
CyberForce Global
Toronto, ON
- Full-time
This is a full-stack role with a frontend lean, built for someone who loves AI. You'll work on a browser extension that hooks into AI applications in real time. You'll also build the…
Added 3 hours ago
AI
Gen AI Engineer
Apptoza Inc.
Toronto, ON
- Contract
Programming & Full Stack: Python, NumPy, Pandas, Matplotlib, Boto3, React, Next.js, TypeScript/JavaScript.
Added 4 hours ago
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Full Stack Engineer
Aptonet
Vancouver, BC
- Full-time
Join our client's team as a Software Engineer to design, implement, and test features for a generative AI platform. Working closely with senior team members, you'll collaborate across…
Added 4 hours ago
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MONTREAL [hybrid] - MLOps Engineer
QUANTEAM - North America (RAINBOW PARTNERS Group)
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
Senior-level Python development across the full data and ML stack.
Added 5 hours ago
DS
Artificial Intelligence Engineer
Digivance Solutions
Toronto, ON
- Full-time
APIs, data pipelines, and full-stack applications that turn prototypes into production-ready tools.
Added 5 hours ago
FG
Lead Software Engineer, Full-Stack Applications - AI Fluent
Fitch Group
Toronto, ON
- $180,000 to $220,000 CAD / year
Lead Software Engineer, Full-Stack Applications – AI Fluent
Added 7 hours ago
RI
Senior Full-Stack Java Developer (Front-Office / Capital Markets)
Rose International
Mississauga, ON
- Full-time
8+ years of professional software engineering experience, with demonstrable experience as a Full-Stack Developer transitioning into a Forward Deployed Engineer-style, customer-facing…
Added 8 hours ago
Senior Solutions Engineer
Toast
Toronto, ON
Architect the solution. Design how Toast fits into a multi-location group's existing stack:
Added 9 hours ago
HB
Data Engineer - Up to $200k CAD + Bonus
Hunter Bond
Montreal, QC
- Full-time
…techniques. This is a fantastic opportunity for a data-focused engineer who enjoys building systems from the ground up and working across both data engineering and ML workflows in a…
Added 17 hours ago
M
Senior Analytics Engineer - GTM
Motive
Vancouver, BC
- Full-time
As Senior Analytics Engineer - GTM, you’ll play a key role in helping our GTM team grow our business. You’ll report to the Director of Business Intelligence joining a centralized global…
Added 18 hours ago
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Principal Software Development Engineer
Workday
Vancouver, BC · Canada, BC, Vancouver
- Full-time
Agent Factory is where Workday’s next chapter gets built. We’re forming small, senior, cross-functional AI teams that bring together product leaders, machine learning engineers, and…
Added 18 hours ago
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Senior AI Engineer (NVIDIA + LLM Inference) - Onsite - Toronto, Canada
FullStack
Toronto, ON
- Full-time
Join our talent network and connect with U.S. clients for flexible, project-based development work as a Senior AI Engineer (NVIDIA + LLM Inference).
Added 19 hours ago
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Solutions Designer, Splunk Montreal, Quebec, Canada
Cisco
Montreal, QC
- Full-time
Splunk is seeking a highly skilled and strategic Senior Solutions Engineer to join our Eastern Canada team. Splunk, a Cisco company, is building a safer and more resilient digital world…
Added 20 hours ago
OB
Marketing Technology Lead Developer
O2E Brands
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Background: Profile of a Staff Engineer or Senior Full-Stack Web Developer with 5-8+ years of web development experience and a proven track record of supporting marketing initiatives in a…
Added 20 hours ago
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Intermediate Software Engineer
TekRek
Toronto, ON
- Full-time
This is a hybrid, full-time product engineering role for an intermediate full stack developer ready to own features end to end. You will take scoped work from requirements through design,…
Added 21 hours ago
S
Mechanical Design Engineer
SMARTFOX
ON · Ontario, Canada
- $80,000 to $120,000 CAD / year
- Full-time
Mechanical Design Engineer II - 2-5 years : Owning subsystems or full product designs, leading analysis and testing, working directly with suppliers, and mentoring junior engineers
Added 21 hours ago
PG
Full Stack Engineer
Pacer Group
Toronto, ON
- $55 to $58 CAD / hour
- Contract
Job Title: Senior Full Stack Developer - Java / Angular

TestFactors

Senior Product Engineer

Toronto, ON, Canada
Greater Toronto Area, Canada, Canada

Full-time

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Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 26, 2026
Posting language: English
Posted: Oct 27, 2026

Original job description

Company Description

TestFactors is an independent company focused on helping SAP SuccessFactors clients and partners test faster, more accurately, and with greater control. The company delivers an AI-powered platform that automates testing activities and streamlines quality assurance. Its solutions provide full traceability from test to defect to retest, enabling more transparent and reliable testing cycles. TestFactors reduces testing effort and cost from initial implementation through ongoing sustainment, supporting long-term customer success.

Role Description

TestFactors is a small team building the testing platform for SAP SuccessFactors. Enterprise HR and IT teams use us to manage test cycles, generate test scripts from their configuration, and run those scripts automatically against their SuccessFactors tenants. We are hiring an engineer who owns outcomes, not tickets. You'll take a product area, learn the customer problem behind it, and carry it all the way through: design, API, UI, tests, deploy, and production. Then you'll keep it working. When something you own breaks, you find out first and you fix the whole class of problem, not just the one bug.

What You'll Do

Own a product area end to end: talk with customers and SuccessFactors consultants, turn their problem into a clear outcome, then ship it across our Rails API and React frontend
Improve AI test script generation, which turns customer configuration workbooks into test scripts using large language models, and prove each gain with benchmarks and grading, not opinion
Make our browser runner (Playwright) more reliable as it drives real SuccessFactors tenants across multiple roles, test data and approval chains, and make it explain clearly why a run failed
Deploy what you build, watch it in production, and handle incidents in your area, treating multi-tenant access control, SOC 2 and penetration testing as part of the job
Keep the codebase healthy: AI coding agents write a large share of our code, and you'll be the judgment behind them, reviewing hard, simplifying, removing duplication, and saying no to complexity, including to the founder

What We're Looking For

5+ years building production web applications, including features you owned from first conversation to production support
Deep backend experience. Ruby on Rails is strongly preferred; if your background is another framework, show us you can learn a large codebase fast
Strong PostgreSQL: schema design, query performance, avoiding N+1 queries, safe migrations
Comfort with React and TypeScript, enough to ship a complete feature without handing off the UI
Daily use of AI coding tools, together with the habit of reading their output critically
Clear writing: you can explain a trade-off in a paragraph and a production incident in a page
You take responsibility. You close loops, you don't wait to be told, and you're comfortable pushing back

Nice to Have

SAP SuccessFactors experience (Employee Central, Position Management, role-based permissions), from implementation, consulting or testing
Browser automation with Playwright or a similar tool, on complex enterprise apps
Evaluating LLM output: benchmarks, graders, prompt changes measured against a baseline
SOC 2, multi-tenant security, or identity and SSO integrations
Experience on a small team or as an early engineer at a startup

How We Build

The simplest solution wins. We would rather delete code than add an abstraction
Every feature comes with its tests: RSpec on the API, Vitest and Playwright on the frontend
We fix root causes. One bug report is a reason to look for the same mistake everywhere
AI agents are a core part of how we work. You're expected to use them well and to catch it when they're wrong
We write things down. Plans, runbooks and the issue tracker are kept current, because a small, remote team depends on it

Our Stack

API: Ruby on Rails 8 (API-only), PostgreSQL with PgBouncer, Solid Queue for background jobs, AnyCable and Redis for real-time updates, Pundit for access control
Frontend: React 18, TypeScript, Vite, TanStack Query, Tailwind and shadcn/ui
AI: Claude models on AWS Bedrock, pgvector for search, and our own evaluation tooling
Infrastructure: AWS EC2, Cloudflare, Sentry

What Success Looks Like

30 days: you've shipped a fix or a small feature to production, and you can explain how a test script travels from workbook to automated run
60 days: you own one product area. You've shipped a meaningful improvement in it and closed out its open issues
90 days: customers and the team come to you for that area. You've cut a whole category of failures, with numbers to show it

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More about this job

Responsibilities

Own a product area from customer discovery and design through API and UI implementation, testing, deployment, and production support. Improve AI-generated test scripts and browser automation reliability, while maintaining security, code quality, and measurable outcomes.

Requirements

Requires 5+ years building production web applications and strong backend experience, preferably with Ruby on Rails, plus PostgreSQL expertise and the ability to deliver complete features using React and TypeScript. Candidates should use AI coding tools critically, communicate clearly, take ownership, and ideally bring experience with enterprise browser automation, LLM evaluation, SAP SuccessFactors, or multi-tenant security.

Skills

Ruby On Rails
PostgreSQL
React
TypeScript
Playwright
AI Coding Tools
Large Language Models
API Development
Web Application Development
Database Schema Design
Query Performance Optimization
Automated Testing
Multi-Tenant Security
Incident Response
SOC 2
Customer Communication

Visa sponsorship

Not detected in the job text

Keywords

Ruby On Rails 8
PostgreSQL
PgBouncer
Solid Queue
AnyCable
Redis
Pundit
React 18
TypeScript
Vite
TanStack Query
Tailwind
Shadcn/ui
Claude
AWS Bedrock
Large Language Models
Pgvector
Playwright
RSpec
Vitest
AWS EC2
Cloudflare
Sentry
SAP SuccessFactors
Employee Central
Position Management
SOC 2
Multi-Tenant Security
Test Automation
LLM Evaluation

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