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Senior QA tester

Rules Cube Toronto, Ontario, Canada

remotefull-time
Posted Jan 30, 2026Apply by Apr 30, 2026

Role & seniority: QA Tester (hands-on, mid-to-senior level)

Stack/tools: manual and automated testing; SQL (complex queries, backend testing); ETL testing; HP QC/Test management tool; Jira; Agile/Scrum environments; experience with multiple testing methodologies

Top 3 responsibilities

  • Define, execute, and obtain PO sign-off on test strategies; review/test documentation and scripts

  • Manage multiple stakeholders and coordinate with external service providers; prioritize across projects amid changes

  • Work with development to resolve defects, escalate as needed, and make release-to-production recommendations

Must-have skills

  • Strong testing concepts; manual and automated testing experience

  • Proficient in executing and validating SQL queries; solid back-end testing

  • ETL testing expertise; validate business logic and transformation rules

  • Experience with HP QC and Jira; Agile/Scrum practices

  • Detail-oriented, analytical, strong interpersonal skills

Nice-to-haves

  • Scrum/Agile certification; ISTQB certification

  • Experience with diverse industries/platforms; ability to work across multiple environments

  • Location & work type: Toronto, Canada; work type not specified in posting

Full Description

Position Summary Rules Cube is a digital transformation company based in Toronto, Canada. We are looking for a talented QA tester with experience in different industries and platforms. This role will be responsible for testing of medium to large enterprise projects using multiple delivery channels across various platforms, configurations, and environments. A hands-on QA tester with manual testing experience.

Responsibilities

  • Strong knowledge on testing concepts
  • Experience with manual and automated testing
  • Hands on experience of executing Database queries
  • Solid hands on experience working with SQL DB
  • Strong experience reading and writing complex SQL statements and queries for back-end testing
  • Excellent hands on working experience with ETL testing
  • Must be good in validating Business logic and transformation rules
  • Solid experience writing test strategies for PO sign-off
  • Solid experience managing HP QC/Test management tool and Jira
  • Solid understanding and experience working in Agile / Scrum delivery methodologies.
  • Review test documentation (functions, test cases, scripts);
  • Manage multiple stakeholders with conflicting time and needs requirements; co-ordinate code delivery with external service providers Continually evaluate priorities for various projects in response to frequent directional changes and take decisive action as required.
  • Work closely with the development group to resolve defects; escalate issues to management when necessary.
  • Make recommendations to release the code to Production
  • Work with individual project teams, during the software development life cycle, to ensure business and technical requirements have been fulfilled; contribute recommendations and assessments to ongoing project reviews
  • Exposure to multiple testing methodologies and environments.
  • Be a quality tester in defining quality metrics for different systems.
  • Strong interpersonal skills
  • Superior analytical skills
  • Detail-oriented approach to project testing

Education

  • Bachelor’s degree in computer science, Engineering, or related discipline.
  • Scrum / Agile certification *preferred
  • ISTQB certification *preferred
QA TestingManual TestingAutomated TestingDatabase QueriesSQLETL TestingBusiness Logic ValidationTest StrategiesHP QCJiraAgileScrumDefect ResolutionQuality MetricsAnalytical SkillsDetail-Orientedmulti-location

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