Perez Benedict - Quality Assurance Engineer

Overview

A pragmatic backend-focused engineer (mid-level) who reliably builds production-ready HTTP APIs and admin tooling for serverless environments; the primary strength is designing guarded, transactional Cloudflare Worker endpoints with honest error contracts. The strongest proven skill is implementing D1-backed Cloudflare Worker API logic with safe SQL usage, parameter binding and careful destructive-operation guards as shown by the worker API handlers and bulk-delete/export flows. The public code does not show system-level observability (metrics/alerts), distributed-rate limiting, or multi-service orchestration design.

Phone

Timeline

Software Quality Assurance Engineer · Middle

Higher Education Marketing · Full-Time

Feb 2025 to Present 1 Year 9 Months Montreal Fully remote

Owned QA validation for a multi-tenant education SaaS platform, covering functional, regression, integration, and end-to-end scenarios across connected workflows. Performed AI-powered testing for a Quote Builder by validating calculated outputs against pricing inputs and documenting discrepancies with reproducible evidence. Investigated data consistency issues using SQL queries and API responses, and built/maintained Playwright-JavaScript automated regression suites using CLI execution and trace artifacts.

Playwright

JavaScript

SQL

Software Quality Assurance Engineer · Middle

Tek Phluent · Full-Time

Jun 2024 to Jan 2025 7 Months Fully remote

Led QA for a learning management system (LMS), focusing on identifying and resolving critical defects. Built and maintained automated regression tests using Playwright and Selenium WebDriver, using tracing to debug failing runs. Performed API testing with Postman and performance/load testing with JMeter, and mentored 5+ junior QA engineers on automation and validation practices.

Playwright

Selenium

Postman

JMeter

Software Quality Assurance Engineer · Middle

QaceTech · Full-Time

Nov 2022 to May 2024 1 Year 6 Months Winnipeg Fully remote

Conducted end-to-end QA across multi-platform media streaming, e-commerce, and student loan applications, including UX and accessibility checks. Performed API testing with Postman and REST Assured, regression testing with Selenium WebDriver, and database validation to confirm data consistency. Delivered an end-to-end application test under a tight deadline, authored/managed defect reports for Android, iOS, and web, and developed TypeScript automation scripts for API and E2E testing.

Postman

Rest-Assured

Selenium

TypeScript

Technical skills

Languages

6

TypeScript

JavaScript

SQL

Node JS

Python

Java

QA

4

Selenium

Rest-Assured

Playwright

Postman

Other

12

React.js

Tailwind CSS

Cypress

Cloudflare

JMeter

Rest API

GitHub

Vite

BrowserStack

AI Agents

QA

autoprefixer

Middle Backend Developer Confidence: Medium API Engineer

A pragmatic backend-focused engineer (mid-level) who reliably builds production-ready HTTP APIs and admin tooling for serverless environments; the primary strength is designing guarded, transactional Cloudflare Worker endpoints with honest error contracts. The strongest proven skill is implementing D1-backed Cloudflare Worker API logic with safe SQL usage, parameter binding and careful destructive-operation guards as shown by the worker API handlers and bulk-delete/export flows. The public code does not show system-level observability (metrics/alerts), distributed-rate limiting, or multi-service orchestration design.

API Design

6/10

How well APIs are designed

Clear, deliberate API routing and parameter handling with admin vs public surfaces, meaningful error contracts and idempotency/honest-reporting patterns in admin bulk operations.

Evidence

perezbenedict/GNWY/api/worker.js: router and route handlers (fetch) with distinct public/admin branches and health route perezbenedict/GNWY/api/worker.js: handleBulkDiscard implements validation, existence-check and honest reporting of discarded vs failed ids

Data Layer & Database

6/10

Working with databases

Parameterized SQL, atomic batches and summary queries; careful use of COUNT/AVG/SUM and protective handling of UNIQUE constraint failures.

Evidence

perezbenedict/GNWY/api/worker.js: parameterized prepared statements and .bind(...) usage for queries and CSV export perezbenedict/GNWY/api/worker.js: use of env.DB.batch for atomic multi-statement operations and explicit handling of UNIQUE constraint failures

Scalability & Performance

2/10

Handling load and speed

Some pagination/ordering and export work, but no caching/invalidation strategy, no distributed-rate-limiting or connection-pool tuning visible in human-authored code.

Evidence

perezbenedict/GNWY/api/worker.js: ordered queries and CSV export (EXPORT honors filters) perezbenedict/qa-automation-portfolio/tests/api/*: API pagination and edge-case tests demonstrating awareness of client-side pagination behavior

System Architecture

3/10

Overall system structure

Reasonable service boundary between public and admin APIs in a single Cloudflare Worker process; architecture is pragmatic for serverless but not a multi-service decomposition.

Evidence

perezbenedict/GNWY/api/worker.js: single-file router dividing public endpoints (/api/feedback etc) and admin endpoints (/admin/*) with explicit authorization checks

Security & Auth

6/10

Protecting data and access

Solid input validation and authorization checks, reauth for destructive actions, prepared statements to avoid injection, and explicit error mapping for admin flows.

Evidence

perezbenedict/GNWY/api/worker.js: isAuthorized + reauthOk gating admin and destructive endpoints perezbenedict/GNWY/api/worker.js: try/catch around DB writes with detection of UNIQUE constraint to return 409 nickname_taken

Reliability & Observability

4/10

Stability and monitoring

Good defensive error handling and test coverage for derived analytics functions; limited operational telemetry and absence of explicit retry/backoff/circuit-breaker patterns in the human-authored code.

Evidence

perezbenedict/GNWY/api/worker.js: try/catch blocks that map DB failures to user-friendly responses and honest failure reporting in bulk operations perezbenedict/GNWY/src/admin/lib/overview.test.ts: unit tests showing attention to edge cases and deterministic behavior in analytics functions

Expertise

Microservices & API Architecture· Middle

Node.js· Middle

Technologies

Node JS· Middle

Rest API

Recommendations

Implement and operate Cloudflare Worker APIs and serverless backends that need careful DB concurrency control and safe destructive actions.
Build admin dashboards and analytics panels that consume server-side summaries and CSV exports, backed by the same worker APIs.
Design and own end-to-end API test suites and QA automation (Playwright/Vitest) to lock down edge cases and pagination/search behavior.

Repositories

The developer's experience in this domain has been verified based on AI analysis of the following repositories:

spill-it GNWY qa-automation-portfolio

Junior Frontend Developer Confidence: Medium Fullstack

Fullstack frontend engineer (mid-level) with a practical strength in building production-ready feedback and admin flows and a focus on robust server-side state discipline. The strongest proven skill is backend-for-frontend and data-handling discipline as shown by the Cloudflare Worker implementation with idempotent submission handling, nickname reservation, and careful bulk-delete/export logic in api/worker.js. There is limited evidence of original, complex client-side component architecture and measured performance tuning in the human-authored frontend artifacts.

UI Component Architecture

2/10

How interface parts are built

Limited evidence of component architecture in human-authored frontend artifacts; most UI component work is in AI-authored files so only basic standalone HTML/CSS and some utility logic are available for review.

Evidence

perezbenedict/GNWY/poster.html perezbenedict/GNWY/src/admin/lib/overview.ts

Responsive & Cross-browser

4/10

Works on all screens and browsers

Practical responsive and print styling with explicit print rules and attention to typography and layout; some test suites assert UI behaviors across viewports.

Evidence

perezbenedict/GNWY/poster.html perezbenedict/qa-automation-portfolio/tests/ui/qr-responsive.spec.js

Performance Optimization

3/10

Speed of the interface

Reasonable performance and concurrency awareness at the server layer (batched DB operations, pagination, defensive query construction) but no measured before/after profiling artifacts.

Evidence

perezbenedict/GNWY/api/worker.js perezbenedict/GNWY/api/worker.js:handleExport (uses materialized CSV query and batching)

Accessibility & Semantics

4/10

Usable for everyone

Accessible markup and semantics are present in human-authored static output and the QA tests include focused accessibility checks; ARIA and print-friendly considerations are visible.

Evidence

perezbenedict/GNWY/poster.html (role and aria-labels on SVG/QR) perezbenedict/qa-automation-portfolio/tests/ui/accessibility.spec.js

State Management & Data Flow

4/10

Managing data in the app

Strong server-side state discipline is evident: idempotency keys, nickname reservation logic, duplicate suppression, and guarded destructive actions; frontend state-machine artifacts are not present in the human-authored set.

Evidence

perezbenedict/GNWY/api/worker.js (request_id dedupe and reserveSessionNickname) perezbenedict/GNWY/api/worker.js (bulk discard materialized selection and validation)

UX & Visual Polish

4/10

Look and feel quality

Good UX and visual polish in static/print assets and clear user-flow testing in QA suites; interactive frontend polish and custom components are mostly in AI-authored files and not counted here.

Evidence

perezbenedict/GNWY/poster.html perezbenedict/qa-automation-portfolio/tests/ui/deep-flows.spec.js

Expertise

React· Junior

Frontend Architecture & Build Tools· Junior

Industries

Events & Ticketing· Junior

Technologies

TypeScript· since 2022 · Junior

Tailwind CSS

Cloudflare

React.js

Vite

autoprefixer

GitHub· mentioned only

GitHub Actions· mentioned only

JavaScript· mentioned only

UI· mentioned only

Recommendations

Build and maintain fullstack web features that need robust server-side state handling and idempotency such as feedback, forms, and admin dashboards.
Own frontend build and deployment pipelines, Vite/Tailwind-based apps, and Cloudflare Worker integrations where server and client concerns must be coordinated.
Implement analytics and admin tooling that rely on solid data aggregation logic and well-tested summary computations.
Develop and own end-to-end QA scenarios and automation for complex user journeys and cross-browser edge cases.

Repositories

The developer's experience in this domain has been verified based on AI analysis of the following repositories:

spill-it GNWY qa-automation-portfolio

Junior QA Engineer Confidence: Medium SDET

QA automation engineer (Middle) specializing in Playwright-driven end-to-end and API test suites. The strongest proven skill is pragmatic edge-case and negative-path API testing demonstrated in tests/api/robust-api.spec.js and tests/api/dummyjson.spec.js. There is little or no public evidence of performance/load engineering, service virtualization or contract-testing, and no CI workflow files to show integrated pipeline automation.

Test Automation Frameworks

5/10

Building automated tests

Solid Playwright-based framework usage with multi-project configuration, custom helpers and selector discipline; lacks advanced infra such as mock servers, testcontainers, or extensive fixture isolation.

Evidence

qa-automation-portfolio/playwright.config.js

qa-automation-portfolio/tests/ui/helpers.js

qa-automation-portfolio/tests/ui/accessibility.spec.js

Test Coverage & Strategy

5/10

What and how to test

Clear risk-focused scenario design and boundary/negative testing across suites with named scripts for edge/negative cases; test-suite is thoughtful but there is no evidence of mutation testing or formal risk-ranking artifacts.

Evidence

qa-automation-portfolio/tests/api/robust-api.spec.js

qa-automation-portfolio/tests/api/dummyjson.spec.js

qa-automation-portfolio/package.json

API & Integration Testing

5/10

Testing how parts work together

Meaningful API and integration tests using Playwright request fixtures, explicit status-code and response-body assertions, and paginated/edge-case coverage; no contract tools (pact/schemathesis) or containerized integration environments shown.

Evidence

qa-automation-portfolio/tests/api/robust-api.spec.js

qa-automation-portfolio/tests/api/dummyjson.spec.js

Performance & Load Testing

Testing speed under load

Not evidenced in public code

Bug Reporting & Analysis

1/10

Finding and describing bugs

Minimal public evidence of formal bug reporting or root-cause analysis; some test notes exist but no reproducible bug reports or closed-issue traces linked to fixes.

Evidence

qa-automation-portfolio/TESTING_NOTES.md

CI Test Integration

3/10

Running tests automatically

Playwright configuration includes CI-aware settings (retries on CI, workers bound) and explicit test:ci script; however no CI workflow files or failure-artifact handling (matrix, artifact uploads, quarantine) are present.

Evidence

qa-automation-portfolio/playwright.config.js

qa-automation-portfolio/package.json

Expertise

SDET & Test Engineering· Junior

Technologies

QA

Python

JavaScript· since 2025 · Junior

Java

SQL· since 2025 · Junior

Selenium· since 2022

JMeter· since 2024

Cypress

Playwright· since 2024

Postman· since 2022

BrowserStack

Rest-Assured· since 2022

GitHub

GitHub· mentioned only

GitHub Actions· mentioned only

Recommendations

Develop end-to-end and API test suites for new web applications using Playwright and the existing helpers and selector patterns.
Extend the test infrastructure with service virtualization or testcontainers for reliable integration tests and add contract/schema validation for APIs.
Implement CI workflows that run the Playwright matrix, upload traces/screenshots/videos, and provide per-test artifacts and quarantine rules for flaky tests.
Add performance smoke or load scenarios (k6 or k6-based scripts) and integrate SLO checks to cover non-functional regressions.

Repositories

The developer's experience in this domain has been verified based on AI analysis of the following repositories:

spill-it qa-automation-portfolio

Job preferences

Work permits: Nigeria
Employment type: Full-Time