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I'm Wei (Collin) Wei, a Senior Quality Assurance Engineer with 10+ years of experience testing complex SaaS, web, API, and backend systems. I specialize in test planning, test design, defect investigation, release validation, and platform quality improvement, with hands-on work in manual, functional, regression, integration, exploratory, and performance testing. My toolkit includes Postman, Cypress, JMeter, LoadRunner, JavaScript-based validation, and SQL verification, and I thrive in Agile/Scrum environments while collaborating with developers and stakeholders to deliver stable releases. I enjoy partnering with cross-functional teams, analyzing requirements and acceptance criteria, and building scalable QA processes that drive release readiness. I leverage Chrome DevTools, Datadog, Elasticsearch, and backend checks to identify root causes, and I champion CI/CD-oriented QA workflows to continuously improve product quality.…I'm Wei (Collin) Wei, a Senior Quality Assurance Engineer with 10+ years of experience testing complex SaaS, web, API, and backend systems. I specialize in test planning, test design, defect investigation, release validation, and platform quality improvement, with hands-on work in manual, functional, regression, integration, exploratory, and performance testing. My toolkit includes Postman, Cypress, JMeter, LoadRunner, JavaScript-based validation, and SQL verification, and I thrive in Agile/Scrum environments while collaborating with developers and stakeholders to deliver stable releases. I enjoy partnering with cross-functional teams, analyzing requirements and acceptance criteria, and building scalable QA processes that drive release readiness. I leverage Chrome DevTools, Datadog, Elasticsearch, and backend checks to identify root causes, and I champion CI/CD-oriented QA workflows to continuously improve product quality.

Wei Wei

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I'm Wei (Collin) Wei, a Senior Quality Assurance Engineer with 10+ years of experience testing complex SaaS, web, API, and backend systems. I specialize in test planning, test design, defect investigation, release validation, and platform quality improvement, with hands-on work in manual, functional, regression, integration, exploratory, and performance testing. My toolkit includes Postman, Cypress, JMeter, LoadRunner, JavaScript-based validation, and SQL verification, and I thrive in Agile/Scrum environments while collaborating with developers and stakeholders to deliver stable releases. I enjoy partnering with cross-functional teams, analyzing requirements and acceptance criteria, and building scalable QA processes that drive release readiness. I leverage Chrome DevTools, Datadog, Elasticsearch, and backend checks to identify root causes, and I champion CI/CD-oriented QA workflows to continuously improve product quality.…I'm Wei (Collin) Wei, a Senior Quality Assurance Engineer with 10+ years of experience testing complex SaaS, web, API, and backend systems. I specialize in test planning, test design, defect investigation, release validation, and platform quality improvement, with hands-on work in manual, functional, regression, integration, exploratory, and performance testing. My toolkit includes Postman, Cypress, JMeter, LoadRunner, JavaScript-based validation, and SQL verification, and I thrive in Agile/Scrum environments while collaborating with developers and stakeholders to deliver stable releases. I enjoy partnering with cross-functional teams, analyzing requirements and acceptance criteria, and building scalable QA processes that drive release readiness. I leverage Chrome DevTools, Datadog, Elasticsearch, and backend checks to identify root causes, and I champion CI/CD-oriented QA workflows to continuously improve product quality.

Available to hire

I’m Wei (Collin) Wei, a Senior Quality Assurance Engineer with 10+ years of experience testing complex SaaS, web, API, and backend systems. I specialize in test planning, test design, defect investigation, release validation, and platform quality improvement, with hands-on work in manual, functional, regression, integration, exploratory, and performance testing. My toolkit includes Postman, Cypress, JMeter, LoadRunner, JavaScript-based validation, and SQL verification, and I thrive in Agile/Scrum environments while collaborating with developers and stakeholders to deliver stable releases.

I enjoy partnering with cross-functional teams, analyzing requirements and acceptance criteria, and building scalable QA processes that drive release readiness. I leverage Chrome DevTools, Datadog, Elasticsearch, and backend checks to identify root causes, and I champion CI/CD-oriented QA workflows to continuously improve product quality.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

French

Intermediate

Work Experience

Senior QA Engineer at Airgraft (Non Inc.)

June 1, 2021 - May 1, 2025

Designed and executed functional, regression, exploratory, smoke, and release testing for web and mobile-related workflows across browsers, devices, and firmware versions. Created and maintained test scenarios for new features, business workflows, regression coverage, and release readiness in a fast-moving SaaS product environment. Built and maintained Postman collections to validate backend services, request/response accuracy, integration behavior, and key business rules. Performed JavaScript-based UI automation testing with Cypress, investigated test failures with developers, verified fixes, and strengthened regression coverage for web releases. Helped build JMeter-based performance testing capability from an early-stage setup into a more structured and repeatable process, including test strategy, script development, execution workflow, result analysis, and CI/CD- oriented processes. Profiled performance and functional issues using Chrome DevTools, logs, API traces, backend checks, D

Test Automation Analyst - Load Testing Project at Pegasie Technologies Inc.

September 1, 2019 - March 1, 2020

Worked as a performance testing consultant and led performance, load, and stress testing activities using LoadRunner, including scope definition, test design, environment setup, workload modeling, and complex test data preparation. Executed test runs, analyzed bottlenecks, documented findings, and provided clear recommendations and follow-up actions for stakeholders. Investigated performance bottlenecks and profiling results using LoadRunner, Wireshark, Chrome DevTools, and database slow-query analysis. Identified a critical system bottleneck where redundant database queries retrieved large datasets twice per request; after collaborating with developers on the fix, network overhead was reduced by 50%.

Software QA Analyst at Insurity (Oceanwide Canada)

May 1, 2014 - August 1, 2019

Performed end-to-end functional, integration, regression, and UAT testing for complex insurance platforms covering policy, billing, claims, security, and payment-related workflows. Created detailed test plans, test cases, and scenarios from requirements, business rules, and acceptance criteria, including negative, boundary, and workflow-variation testing. Validated data integrity and downstream processing using Microsoft SQL Server queries, backend checks, and workflow investigation across connected business systems. Used UFT and SOAP UI for automation and service-level validation where appropriate, supporting repeatable regression and backend verification activities. Logged and tracked defects in Microsoft-based QA workflows, collaborated with business analysts and developers on issue investigation, and verified fixes through retesting. Performed release and post-release validation by checking critical end-to-end business flows and confirming changes did not introduce regressions. Per

Professional Career Break

May 1, 2025 - Present

Continued hands-on technical practice during a family-related career break and major life transition, with ongoing work in SQL validation, API testing, performance testing, automated regression concepts, and QA workflow tooling for business applications.