Saif Ullah Khan
Quality Assurance and Testing
Islamabad,IS
Summary
Computer Systems Engineer with strong expertise in backend automation testing (Vitest), manual front-end testing, and secure software development. Experienced in technologies such as Node.js, C#/.NET, and MySQL, with a proven track record across AI platforms, educational systems, and internal security tools. Demonstrated ability to deliver high-quality solutions in both corporate and freelance environments, including work on ticketing systems, 2FA products, and encryption modules. Strong communicator with hands-on experience in collaborative development and technical problem-solving.
Overview
2
2
years of professional experience
3
3
Certificates
Education
Associate of Science - Fs.C
07.2017 - 07.2019
Bachelor of Science - Computer Systems Engineering
09.2019 - 07.2023
Work History
Quality Assurance and Testing
Calcite Technologies pvt ltd
Islamabad, PB
12.2024 - 06.2025
- Shahid Afridi Foundation AU
Performed comprehensive manual front-end testing on a donation-based web platform, ensuring a seamless user experience for charity and fundraising activities.
- UPSKILL (AI-Based Learning Platform)
Conducted manual front-end testing on a web-based admin portal and mobile platform. Performed backend automation testing using Vitest to validate quiz generation from summarized videos uploaded by administrators.
- Nexus Bond AI
Executed manual front-end testing on an AI-powered tool that generates human-like chat avatars and simulations, ensuring functionality and visual consistency across devices.
- Certified Australia
Carried out both manual front-end testing and backend automation testing using Vitest for a diploma distribution portal tailored for international and local job-seekers in Australia.
- Assencia (School Management System)
Engaged in manual backend testing using Postman, front-end testing, and automated backend testing using Vitest on a full-fledged Node.js-based school management platform for scheduling, student data management, and profit calculation.
- FIQHI (Islamic Services Platform)
Performed manual front-end testing for a web-based Islamic portal handling relationship-related queries and generating digital marriage certificates.
- Halal Foods (Wholesale Distribution System)
Conducted manual front-end testing on a food supply management system integrated with an AI-driven call tracking feature designed to evaluate customer service quality and track revenue performance.
Development Security Engineer
Tech Avenue Private Limited
Islamabad, PB
03.2024 - 11.2025
- Deployed and customized Open Source Ticketing Tool (Zammad) for inside communication within the Company.
- Customized security tools for the Company including Wazuh, TheHive, and OpenSac etc.
- Collaborated with IT teams to integrate security measures into software development processes, enhancing overall application security.
- Conducted regular penetration testing to identify vulnerabilities and address them proactively, strengthening system defenses.
- Evaluated emerging technologies for their potential impact on organizational security posture, recommending appropriate solutions as needed.
Product Development Engineer
Tech Avenue Private Limited
Islamabad, PB
10.2023 - 03.2024
- Enhancement of the Custom Solution for the 2FA Authentication Product using C#, and .NET.
- Improvement of HRMS custom solution for use within the Company utilizing Node.Js.
- Assisted with the encryption and decryption of data for the front end of the Capital Development Authority's (CDA) web project based on Laravel.
- Increased overall product quality through meticulous design reviews and thorough testing procedures.
- Led prototype iterations based on user feedback during beta testing phases, refining final designs before mass production commenced.
Freelancer
Freelance
Remote
10.2022 - Current
- Since October 2022, I have worked as a freelancer on Fiverr and Discord, focusing on gaming programming projects such as bug testing and solutions (LUA) and building game servers from scratch (LUA).
- I worked as a freelancer on forum systems using XenForo. Reference: CR5M Forums.
- Enhanced client satisfaction by delivering high-quality work within deadlines.
- Managed multiple projects simultaneously while maintaining a high level of attention to detail and organization.
- Strengthened client relationships with consistent communication and timely project updates.
- Developed customized solutions to address unique client needs, resulting in repeat business and referrals.
Skills
- Vitest Automated Backend Testing
- Manual Front-End Testing
- C/C
- Technical Writing
- Communication
- Presentation
- HTML/CSS
- LUA
- C#/Net
- MySQL
- WordPress
- XenForo
- Web Engineering
Websites
Certification
Google Data Analytics, Ongoing
Languages
Pashto
Advanced (C1)
Urdu
Bilingual or Proficient (C2)
English
Upper intermediate (B2)
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