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Added 1 min ago
EC
GEN Ai Developer
Experis Canada
Toronto, ON
- Contract
Reverse engineer existing applications built using Python, Java, Angular, and Mule to generate architecture, data flow, and sequence diagrams.
Added 1 min ago
H
Platform Engineer
Hays
Toronto, ON
- Contract
We are seeking a Platform Engineer with strong experience in designing, deploying, and managing scalable cloud solutions using AWS and Azure technologies. The ideal candidate will have…
Added 1 min ago
QT
Desktop Senior Engineer(Banking/ Financial Services background)- Local to Montreal, QC
Q1 Technologies, Inc.
Montreal, QC
- $100,000 to $120,000 CAD / year
- Full-time
Added 1 min ago
AI
Forward Deployed Engineer (Python/Pyspark Developer)
Apptoza Inc.
Toronto, ON
- Contract
We are looking for a senior Forward Deployed Engineer who combines production-grade software engineering, data engineering, AI application development, and client-facing consulting. You…
Added 1 min ago
Outside Sales Engineer – Heat Trace, Western Canada
Spirax-Sarco Ltd.
Canada
At Chromalox, we build advanced thermal technologies for the world’s most challenging industrial heating applications.
Added 16 mins ago
W
Senior Civil Engineer - Municipal Engineering
WSP
Kingston, ON
- Full-time
Municipal infrastructure is at the heart of thriving communities. As a Senior Civil Engineer - Municipal Engineering, you will lead the delivery of impactful infrastructure projects that…
Added 16 mins ago
T
Software Engineer III
TD
Toronto, ON
- Full-time
As a lead software engineer, you are accountable for shaping and delivering end-to-end solutions for enterprise-grade platforms and complex initiatives. You set technical direction, define…
Added 16 mins ago
T
Software Engineer II
TD
Toronto, ON
- Full-time
As a Software Engineer II, you provide technical expertise to implement scalable, reliable and secure solutions for EDMO Data Catalog services. You contribute to solutions that operate…
Added 16 mins ago
TE
Pipeline Integrity Engineer
TC Energy
Calgary, AB
- Full-time
The Pipeline Integrity Engineer/Technologist completes analysis of Inline Inspection data for corrosion threats on gas transmission pipelines and supports integrity program planning,…
Added 16 mins ago
FC
Junior Application Engineer
Flow Control Group
Calgary, AB
- Full-time
We are seeking a motivated and detail-oriented Junior Applications Engineer / Sales Support professional to join our team. This role provides technical and administrative support to our…
Added 31 mins ago
M
Platform Engineer
Manulife
Toronto, ON · Waterloo, ON
- Full-time
Are you passionate about building reliable, scalable cloud platforms and automating the infrastructure that powers modern applications?
Added 31 mins ago
PC
Intermediate Geotechnical Engineer
PRI Consultants
Mississauga, ON
- Full-time
PRI is looking for an Intermediate Geotechnical Engineer to join our growing Mississauga, ON office. This is a hands-on role for someone building toward full project ownership: you will…
Added 31 mins ago
M
Operating Practices Specialist
Metrolinx
Canada
- Full-time
…perform compliance and verification audits including locomotive engineer check rides, proctor final exams for operating crews, update and review CROR training material and examinations and…
Added 31 mins ago
R
Ingénieur analyste - Systèmes de contrôle / Engineer, Analyst - Control Systems
RTX
Longueuil, QC
- Full-time
Added 31 mins ago
R
Assembleur / Assembler
RTX
Mirabel, QC
- Full-time
…determined that the tasks related to the position of production engineer require knowledge of English (verbal and written). We have also determined that the knowledge of English already…
Added 31 mins ago
SD
Senior DevOps Engineer
Symbiotic Digital
Toronto, ON · Queen's Park Ontario Provincial Government, Ontario
- Contract
The Senior DevOps / Cloud Engineer leads the automation,
Added 31 mins ago
Superintendent - Civil Construction
EBC Inc.
Sudbury, ON · Greater Sudbury (New Sudbury), Ontario
with, directing, and monitoring the Field Engineer/Coordinator inspection
Added 31 mins ago
Software Engineer 3, Identity and Access Management
MongoDB
Toronto, ON
…organizations of all sizes to easily build, scale, and run modern applications by helping them modernize legacy workloads, embrace innovation, and unleash AI. Our industry-leading developer…
Added 32 mins ago
KS
Inside Sales - Mechanical Systems & HVAC
Kinetic Search Group
Calgary, AB
- Full-time
…expertise and specialized solutions for a wide range of building…
Added 32 mins ago
V
Lead Software Engineer
Virtusa
Toronto, ON
- Full-time
Job Summary: We are seeking a Senior DevOps Engineer to design, implement, and manage scalable CI/CD pipelines, cloud infrastructure, automation frameworks, and release processes. The ideal…
Added 32 mins ago
MR
Robot Programmer
Montreal Robot Inc.
Montreal, QC
- Full-time
Integrate robotics systems with PLC controllers, Python scripts, and SDK-based applications.
Added 32 mins ago
ME
Test Engineer [14445]
MEDA Engineering & Technical Services
Windsor, ON
- $41.89 to $46.89 CAD / hour
- Full-time
We are recruiting an experienced Test Engineer to join our team to support our client in the automotive industry.
Added 32 mins ago
TC
Software Engineer
TSR Consulting
Mississauga, ON
- Contract
TSR Consulting is currently seeking a highly motivated Senior Forward Deployed Engineer in Mississauga, ON (Hybrid, 3 days onsite)
Added 32 mins ago
T
TekRek - Senior Data Consultant
TekRek
Toronto, ON
- $120,000 to $150,000 CAD / year
- Full-time
Consultants here work across several client accounts at once and cover the full analytics stack, from source-system ingestion through to dashboards, models, and lightweight applications.
Added 32 mins ago
L
Senior Forward Deployment Engineer
Luxoft
Mississauga, ON
- Full-time
The project is focused on improving the security, release reliability, maintainability, and operational resilience of business-critical banking applications.

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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