Sphera Holdings, Inc. logo

Principal QA Engineer

Job Overview

Location

PL Remote

Job Type

Full-time

Category

QA Engineer

Date Posted

May 17, 2026

Full Job Description

📋 Description

  • Lead, coordinate, and mentor a QA & Test team in daily operations, fostering high-performance standards and professional growth.
  • Review product requirements, specifications, and technical design documents to provide timely, actionable feedback that improves product quality from inception.
  • Design, develop, and execute comprehensive automation scripts using Python, Playwright, and JMeter to ensure reliable and scalable test coverage.
  • Establish and enhance QA processes across the engineering organization, ensuring consistency, efficiency, and alignment with industry best practices.
  • Define, implement, and monitor quality metrics to measure test effectiveness, testing efficiency, and overall product quality.
  • Create detailed, well-structured test plans, test cases, and documentation that support both manual and automated testing workflows.
  • Estimate, prioritize, and plan testing activities to align with sprint cycles and product release schedules.
  • Conduct thorough regression testing following bug fixes to ensure system stability and prevent reintroduction of defects.
  • Perform performance testing to validate system behavior under load, stress, and scalability conditions.
  • Investigate root causes of software non-conformances and implement corrective actions to prevent recurrence.
  • Stay current with emerging testing tools, methodologies, and industry trends to continuously improve testing practices.
  • Communicate and track quality risks, gaps, and issues across teams, ensuring visibility and timely resolution.
  • Apply both white box and black box testing techniques to validate functionality, logic, and system integrity.
  • Maintain strong technical proficiency in SQL and scripting to support test data setup, validation, and automation.
  • Champion a culture of quality across engineering by promoting testability, automation adoption, and proactive risk mitigation.
  • Collaborate closely with product, development, and operations teams to embed quality into every stage of the software development lifecycle.
  • Drive continuous improvement of QA workflows through data-driven insights and feedback loops from production and testing environments.

Skills & Technologies

Python
Senior
Remote
Degree Required

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Sphera Holdings, Inc. logo
Sphera Holdings, Inc.
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About Sphera Holdings, Inc.

Sphera provides environmental, social and governance (ESG) software, data and consulting services to industrial and investment clients worldwide. The company’s cloud platform unifies operational risk, product stewardship, environmental health and safety, and sustainability performance management, enabling organizations to collect, analyze and report on emissions, chemicals, hazards, and regulatory requirements. Sphera serves manufacturing, energy, chemicals, consumer goods, and private-equity sectors, offering content libraries, predictive analytics, and professional services that support compliance, decarbonization, and supply-chain transparency initiatives.

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