- Own the inbound bug pipeline for the Terminal, including Sentry issues, customer-reported problems, and self-discovered bugs
- Reproduce, prioritize, fix, or route Terminal bugs
- Fix bugs across the React/Next.js frontend, Cloudflare Workers backend, and data layer
- Investigate issues to their root cause
- Design and build the Terminal's end-to-end Playwright test framework
- Run end-to-end tests in CI against preview deployments
- Expand regression coverage for financials, charting, screener, portfolio, authentication, subscriptions, and paywall flows
- Write unit and integration tests alongside fixes
- Create debugging guides, test conventions, and tooling for the engineering team
- Work alongside engineers building the Terminal and Fiscal.ai data infrastructure

Requirements

- Proficiency in TypeScript, React, Next.js
- Hands-on experience building end-to-end test automation (Playwright preferred) and unit tests (Vitest or Jest), and running them in CI
- Strong debugging skills across the full stack: browser devtools, network traces, server logs, error monitoring, database queries
- Experience testing and debugging data-heavy applications where correctness matters: finance, analytics, or similar
- Proven experience or strong interest in investing and finance
- Ability to read an income statement, understand LTM and NTM, and recognize incorrect P/E ratio or free cash flow figures
- Understanding of subscription tiers, entitlements, and paywalls
- Experience or interest in AI technologies,



specifically Large Language Models (LLMs), including using AI coding agents in daily workflow
- Keen eye for design, UI, and UX
- Based in Canada
- Good coding and debugging ability; fixes issues directly rather than only filing tickets
- Nice to have: Python
- Nice to have: Cloudflare Workers, Firebase/Firestore, PostgreSQL
- Nice to have: Highcharts or other charting libraries
- Nice to have: Finance coursework, CFA progress, or qualified investing experience

Core Competencies

Demonstrates proficiency in TypeScript, React, and Next.js, with a strong focus on debugging and testing data-heavy applications in finance. Capable of designing end-to-end test frameworks and expanding regression coverage while collaborating effectively with engineering teams.

Highest-signal resume keywords

- TypeScript Proficiency
- React Development
- Next.js Development
- End-to-End Test Automation
- Debugging Skills

Hard Skills

- TypeScript
- React
- Next.js
- End-to-End Testing
- Unit Testing
- Integration Testing
- Debugging
- Data Analysis
- Financial Analysis
- AI Technologies

Soft Skills

- Attention to Detail
- Problem-Solving
- Collaboration

Certifications & Qualifications

- CFA Progress

Industry Keywords

- Finance
- Analytics
- Data-Heavy Applications
- Subscription Models
- User Experience
- User Interface

Tools & Technologies

- Playwright
- Vitest
- Jest
- Cloudflare Workers
- Firebase/Firestore
- PostgreSQL
- Highcharts

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📌 Software Engineer – Quality (Toronto)
🏢 Jobtailor
📍 Toronto