Hi! I'm Jakfar Yakub

Quality Assurance Engineer – Automation | Performance | AI Testing

I help teams deliver reliable, high-quality software by combining structured testing, automation, and performance analysis.

Contact MeMy Resume

Introduction

About me

user

Programming Languages

A quick view of my current comfort level with the languages I use most in testing and automation work.

JavaScript80%
80%
TypeScript70%
70%
SQL (basic)50%
50%

I am a Quality Assurance Engineer with over six years of experience in software testing, test automation, and application support. I specialize in building structured test strategies, designing clear and reliable test cases, and helping ensure that applications are stable and ready for production.

I have worked across various types of systems, including enterprise applications, APIs, internal tools, and AI-assisted features. My testing approach is detail-oriented and data-driven, with a strong focus on providing clarity for both product and engineering teams.

I enjoy being involved across the QA lifecycle — from understanding requirements, designing test scenarios, executing manual and automated tests, to analyzing results and delivering meaningful insights for decision-making.

  • What I Do

    I ensure the quality and reliability of software products through structured testing, test case design, functional testing, and performance analysis.

  • My Expertise

    Manual & API Testing, Playwright Automation, Performance Testing (K6), Test Planning & Documentation

  • Professional Highlights

    6+ years in QA & IT, enterprise-level testing, automation initiatives, load testing, cross-functional experience as QA/BA/PM

Experience

My Experience

As a Quality Assurance Engineer, I have worked across different industries and roles, from manual testing and automation to performance testing and AI-assisted features. Here is a brief overview of my professional experience.

Software Quality Assurance Analyst

Software Quality Assurance Analyst

Senior

PT Packet Systems Indonesia

Jul 2024 – Present

Focusing on testing AI applications, building test strategies, and combining manual and automated testing for AI models and APIs.

Software Quality Assurance Analyst

Software Quality Assurance Analyst

Mid → Senior

PT Ako Media Asia (SALT) – Telkomsel MyOrbit

Mar 2021 – Jul 2024

Handled end-to-end testing for MyOrbit, including manual, regression, API testing, and production issue analysis.

Software Quality Assurance

Software Quality Assurance

Junior

PT Mitrais

Jan 2020 – Dec 2020

Worked on functional, regression, integration, and acceptance testing for enterprise applications in an agile environment.

IT Application Support

IT Application Support

Junior

PT Asuransi Umum BCA

Aug 2018 – Dec 2019

Provided technical support for business teams, managed system issues, and maintained application documentation.

Tools I use

Projects

Selected work & contributions

A snapshot of projects where I contributed as a QA Engineer, Automation Engineer, and sometimes as a PM/BA. Each project highlights different aspects of my work: manual & API testing, automation with Playwright, performance testing, and AI-related QA.

Product Information Management System

Project Manager • Business Analyst • QA Engineer

Web-based system to manage product data and track price changes, enabling sales teams to access accurate pricing from desktop and mobile.

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Daily Transaction Automation System

QA Engineer • Playwright Automation

Automated daily transaction retrieval using Playwright + JavaScript and GitHub Actions, replacing a fully manual and error-prone process.

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AI Answer Accuracy Measurement Framework

QA Engineer • AI & Evaluation

Lightweight framework to evaluate AI-generated answers using semantic similarity, keyword matching, and completeness scoring for document QA.

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Connect with me

Get in touch

I'm always excited to connect with fellow professionals, potential clients, and anyone interested in software quality assurance. Whether you have a project in mind, want to discuss industry trends, or just want to say hello, feel free to reach out!

jakfaryakub@gmail.com

© 2025 Jakfar Yakub. All rights reserved.