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QA/UAT Engineer

Toronto, Ontario💼 Full-time🗓 2026-06-25 → 2026-08-14

Core

Build and maintain automated test coverage for API platforms and customer-facing applications, balancing automation with hands-on product validation and AI-assisted workflows.

Role type

Senior QA/UAT Engineer (AI-native quality engineering)

Builds

APIs and platform for email, calendar, contacts, and scheduling

Domain

Developer tools / API infrastructure

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Go (Golang), API testing (REST/gRPC), browser automation (Playwright/Cypress/Selenium), CI/CD integration, defect triage, test strategy

Preferred skills

TypeScript, Python, observability platforms, performance testing, OAuth flows

Technologies

Go, gRPC, REST, Playwright, Cypress, Selenium, Postman, grpcurl, k6, Docker, Kubernetes, GitHub Actions, Claude Code, Codex, Cursor

Responsibilities

Design and maintain automated test suites (integration, functional, contract, end-to-end); Validate real-world customer workflows and exploratory testing; Automate browser-based UI tests; Leverage AI tools to generate test cases and accelerate defect discovery; Integrate quality gates into CI/CD pipelines; Investigate and triage production defects; Collaborate with engineering teams to embed quality early

Seniority

Mid-Senior, hands-on IC

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