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Added 24 mins ago
M
Senior Full Stack Developer (Java/React)
Miratech
Toronto, ON
- Full-time
…a values-driven organization and our culture of Relentless Performance has enabled over 99% of Miratech's engagements to succeed by meeting or exceeding our scope, schedule, and/or budget…
Added 1 hour ago
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Senior QA – Backend Automation & Data Testing
Acunor
ON · Ontario, Canada
- Contract
Job Title: Senior QA Engineer – Backend Automation & Data Testing
Added 1 hour ago
BR
Java Software Engineer
Benchmark Recruitment
Vancouver, BC · Greater Vancouver Metropolitan Area
- Contract
Job Title: Senior Java Backend Engineer – Cloud & Data
Added 1 hour ago
IO
Senior Instrumentation & Controls Engineer
Imperial Oil
Edmonton, AB
- Full-time
We are seeking an experienced Senior Instrumentation & Controls (I&C) Engineer to join our Engineering team. The successful candidate will bring extensive experience in process control…
Added 1 hour 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
IS
Senior QA Engineer (Python & French Language Mandatory)
InfiCare Staffing
Canada
- Contract
Looking for a Senior QA Engineer with strong Python automation, advanced SQL, AWS data pipeline testing, and backend/API testing experience. The role focuses on simulating high-volume…
Added 2 hours ago
MM
Senior Software Development Engineer
Mitchell Martin Inc.
Mississauga, ON
- $68 to $78 CAD / hour
- Other
Senior Software Development Engineer - Hybrid - Contract -$68.00-$78.00 Per Hr
Added 2 hours ago
RE
Senior Mechanical Engineer
Rockford Engineering
Regina, SK
- Full-time
The Senior Mechanical Engineer is responsible for leading complex design projects from project acquisition to completion, mentoring and representing Rockford in client-facing engagements.…
Added 2 hours ago
T
Senior Product Engineer
TestFactors
Toronto, ON · Greater Toronto Area, Canada
- Full-time
…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…
Added 2 hours ago
QT
Junior Quantum Engineer
Quantized Technologies
Calgary, AB
- Full-time
Working closely with senior quantum specialists and cross-functional engineering teams, you will play a key hands-on role in designing, constructing, characterizing, and troubleshooting…
Added 3 hours ago
Senior Instrumentation & Controls Engineer
ExxonMobil
Edmonton, AB
We are seeking an experienced Senior Instrumentation & Controls (I&C) Engineer to join our Engineering team. The successful candidate will bring extensive experience in process control…
Added 3 hours ago
S
Satellite Electrical Systems Engineer
Scalian
Montreal, QC
- Full-time
We are looking for a Satellite Electrical Systems Engineer to collaborate on one of our projects in the space sector.
Added 3 hours ago
SM
RQ11740 – DevOps/Cloud Engineer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior DevOps/Cloud Engineer with extensive experience in Microsoft Azure, CI/CD pipelines, deployment automation, infrastructure as code, cloud operations, and enterprise…
Added 4 hours ago
S
Satellite Electrical Systems Engineer
Scalian
Montreal, QC
- Full-time
We are looking for a Satellite Electrical Systems Engineer to collaborate on one of our projects in the space sector.
Added 4 hours ago
H
Principal Engineer & Technical Lead
Hypersonica
Ottawa, ON
- Full-time
As we build Hypersonica Canada, we are looking for a Principal Engineer & Technical Lead to become the senior technical owner in-country and help build the Canadian engineering organisation…
Added 4 hours ago
GT
Senior Electrical Engineer
GeoSpectrum Technologies, Inc
Port Coquitlam, BC
- Full-time
Reporting to the Director of ISE, the Senior Electrical Engineer will support the design, development, and integration of advanced electrical systems for subsea vehicles, including AUVs,…
Added 4 hours ago
A
Project Lead - DNNP
AtkinsRéalis
Oshawa, ON
- Full-time
Apply appropriate key performance indicators to monitor project health and performance and establish rigorous reporting protocols that meet all requirements of the contract, corporate…
Added 4 hours ago
S
Associate Applications Engineer
Semtech
Burlington, ON · CAN - Burlington, ON
- Full-time
The Applications Engineer supports our data communications business in delivering high quality, customer-focused solutions. The successful candidate will work alongside senior team members…
Added 5 hours ago
FS
BI Engineer
Four Seasons Hotels and Resorts
Toronto, ON · Four Seasons Corporate Headquarters Toronto
- Full-time
This Toronto-based role reports to the Senior Business Intelligence Engineer and collaborates with internal stakeholders, project sponsors, technical teams, Four Seasons IT, external…
Added 6 hours ago
S
Software Engineer Manager
symplistic.ai
Woodbridge, ON
- $150,000 CAD / year
- Full-time
…prioritize delivery, support enterprise deployments, and improve performance, reliability, security, accuracy, and…
Added 7 hours ago
M
Senior Full Stack Developer (Java/React)
Miratech
Toronto, ON
- Full-time
…a values-driven organization and our culture of Relentless Performance has enabled over 99% of Miratech's engagements to succeed by meeting or exceeding our scope, schedule, and/or budget…
Added 7 hours ago
R
Sensor Engineer
RBR
Ottawa, ON · Greater Ottawa Metropolitan Area
- $75,000 to $115,000 CAD / year
- Full-time
This role may be filled at the Sensor Engineer or Senior Sensor Engineer level. The final salary and job level will depend on your experience and qualifications. We know great talent shows…
Added 8 hours ago
C
Site Reliability Engineer - Application Security
ContactMonkey
Toronto, ON
- $130,000 to $150,000 CAD / year
- Full-time
You’ll take ownership of defined projects and operational improvements, with senior engineers available for guidance and review. There’s room to develop deeper expertise in reliability,…
Added 9 hours ago
T
Test Engineer – MDM & Data Quality
Teqfocus
Toronto, ON
- Full-time
Teqfocus is seeking a Test Engineer with strong functional testing, SQL, data validation, and test automation experience to support master data management (MDM) and data integration…
Added 16 hours ago
MC
Senior Direct Response Copywriter - High-Ticket Coaching (Remote)
MM Coaching Limited
Remote, Canada
- Contract
- Remote
We are hiring a Senior Direct Response Copywriter to own the message everywhere it appears at an eight-figure men's coaching company: the ads, the VSL, the funnel pages, and the email.

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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