Available for new work

Hi, I’m Zeufack Patric Hermann

Software Engineer& Software Engineer in Test

I build robust, end-to-end web applications — and the automated tests that keep them reliable. Based in Paris, France.

More about me
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Featured Projects

Loyalix

2026

A loyalty-program platform for small businesses — restaurants, salons, gyms. NestJS/PostgreSQL REST API with layered JWT plus role- and permission-based access control, OAuth social login, pluggable S3/Cloudinary media storage, and auto-generated Swagger docs.

  • NestJS
  • TypeScript
  • PostgreSQL
  • Docker
Code

Dymock

2026

A Python service that spins up mock APIs straight from an OpenAPI/Swagger spec — customizable responses and simulated latency — so frontend and backend can be built and tested in parallel.

  • Python
  • OpenAPI
  • REST API
Code

Coding Tutor

2026

A toolkit of installable skills that turn an AI coding agent (Claude Code, Cursor, …) into a mentor — tutoring, Socratic lectures, systematic debugging, code review, and mock interviews instead of just writing the code for you.

  • Node.js
  • TypeScript
  • Claude Code
  • CLI
Code

Kata CLI

2024

An interactive Go CLI that brings coding katas to the terminal, letting you take on challenges across multiple languages — a focused tool for daily practice.

  • Go
  • CLI
Code
All projects

Experience

  1. Full Stack QA Engineer· Instant SystemCurrentNice, France • Nov 2024 — Present
    • Designed and improved automated testing frameworks ensuring the reliability of backend and mobile applications.
    • Built backend API testing workflows in Postman, run in CI/CD with Newman for continuous validation and regression prevention.
    • Migrated Jenkins jobs to declarative pipelines, improving CI/CD reliability and cutting maintenance overhead.
    • Re-architected the Robot Framework setup for better maintainability and faster execution.
    • Built a multi-platform Appium framework adapted to white-label applications.
    • Postman
    • Newman
    • Jenkins
    • Robot Framework
    • Appium
    • CI/CD
  2. Test Automation Engineer· Radio FranceParis, France • Jun 2022 — Nov 2024
    • Designed a mobile test automation framework (iOS/Android) using Kotlin, Appium and Allure.
    • Integrated automated tests into CI/CD pipelines (GitLab CI, AWS Device Farm).
    • Improved build performance by 20% by migrating from Maven to Gradle.
    • Wrote and maintained automated suites and API validation scenarios with Postman.
    • Kotlin
    • Appium
    • Allure
    • GitLab CI
    • AWS Device Farm
    • Gradle
  3. Software & Test Automation Engineer· PAWK SARLDouala, Cameroon • Feb 2021 — Jun 2022
    • Built end-to-end automated testing frameworks (API, web, mobile) with Selenium, Appium, Cypress and Karate.
    • Designed and shipped an e-commerce app in Flutter on a Firebase (NoSQL) backend, from requirements to production.
    • Set up Java-based web/mobile automation with Allure reporting and Jenkins CI.
    • Authored manual and automated test cases in Xray and Squash TM (Gherkin).
    • Selenium
    • Appium
    • Cypress
    • Karate
    • Java
    • Flutter
    • Firebase
  4. Software Engineer· SEVEN GPSDouala, Cameroon • Aug 2020 — Oct 2021
    • Designed and built a custom CRM: MySQL data modeling and a web interface (HTML5, Bootstrap, JavaScript) on a Scrum cycle.
    • Wrote technical documentation and ran validation tests.
    • MySQL
    • HTML5
    • Bootstrap
    • JavaScript
    • Scrum
  5. Junior Software Engineer· FloraisonDouala, Cameroon • Jul 2019 — Sep 2020
    • Developed the admin module of a marketplace (Angular, Firebase) with automated deployment to Heroku via CI/CD.
    • Implemented a Firebase NoSQL architecture and wrote unit tests.
    • Angular
    • Firebase
    • Heroku
    • CI/CD

Skills

The stacks I build and test with, grouped by where they sit in the product — each dot row shows how deep I go.

Explore the constellation

  • Frontend

    • HTML
    • CSS
    • Tailwind CSS
    • JavaScript
    • TypeScript
    • React
    • Next.js
    • TanStack Query

  • Backend

    • Node.js
    • REST APIs
    • NestJS
    • Python
    • Go
    • PostgreSQL
    • OpenAPI

  • Testing / QA

    • Playwright
    • Selenium
    • WebdriverIO
    • Pytest
    • Behave
    • Gherkin
    • Robot Framework
    • Maestro
    • Vitest
    • Jest
    • Allure
    • CI pipelines

  • DevOps & Tooling

    • Git
    • Docker
    • GitHub Actions
    • Jenkins
    • GitLab CI
    • Linux