Profile image of khanhtd
@khanhtd
Flag of Vietnam Ho Chi Minh, Vietnam
Member since December 23, 2012
6 Recommendations

khanhtd

Online Offline
Worked 15+ years in software development, network and system administration, team collaboration and project management. Scopes of work provided: • Command-Line Interface (CLI) Software • Automation Tools / Background Services / Socket Services • Web Application / RESTful API • Web Scraping / Crawling (with Headless Browser) • Parsing / Analyzing Data • Linux Systems / Services Troubleshooting • Docker Solutions / VPN Solutions (open-sources only) • CI/CD and DevOps Solutions Programming and language skills: • Python (the most expertise) • BASH Scripting • PHP / Javascript Other technology stacks: • Linux OS (all variants of distro) and Open-sources
$25 USD/hr
114 reviews
6.9
  • 99%Jobs Completed
  • 97%On Budget
  • 100%On Time
  • 45%Repeat Hire Rate

Portfolio

Recent Reviews

  • image of adpatza Project for Khanh T. -- 2 $25.00 USD

    “Still the best freelancer I've come across here, and very good value for money. Khanh is a high integrity and commitment freelancer.”

  • image of juanc2503 Build api for python engine $400.00 USD

    “just another amazing development and wonderful environment. no one else can beat khanh on budget and delivery time always”

  • image of zaid27 Upgrade a Python program $250.00 USD

    “highly recommend it”

  • image of juanc2503 Add more features $730.00 USD

    “always overcoming my expectations and giving me the most perfect coding. as usual highly recommended for everything you need”

  • image of webdeveloper256 Project for Khanh T. -- 3 $560.00 AUD

    “Great job as usual!”

  • image of adpatza Project for Khanh T. $100.00 USD

    “Khanh is the best freelancer I worked with to date, I will definitely work with him again.”

Experience

Chief Technical Architect

Jun 2014 - Jan 2017 (2 years)

- Led the development of an Email Marketing Sending technology platform, mostly dealt with: Linux and open-sources technologies, Python/PHP/BASH as mainly programming/scripting languages, Sending Reputation, IP/Domain Reputation, Global Blacklists/Whitelists, Spam Score, IP Warm-up, Fraud Detection, etc. - Led the development of Email Editing Tool as a Word Processor via WebUI. - In charge of technical design/workflow of product, coding integrity/collaboration, database structure/architecture.

Python / BASH / PHP / Linux / Microsoft

Dec 2012

- Python Developer: Web App, Web Services, Web Scraping/Crawling, RESTful API, Command-Line Interface Software, Auto tools, Security tools, DevOps, Text Parser, Data Analysis, etc. - PHP Developer: mostly built WordPress plugins. - Linux Engineer / BASH Scripting: Docker, VPN, RADIUS, Web Hosting (Web/DB/Mail/DNS), Proxy (forward/reverse/anonymous), Automated Server Setup/Configuration, etc. - Microsoft Engineer: transition/migration/troubleshooting of Exchange, Active Directory, Windows Server.

R&D Manager / SO Manager

Sep 2008 - Oct 2012 (4 years)

- Researched and developed Business applications: open-sources based (i.e. Wordpress, Drupal, Redmine, OpenERP, etc.) and Microsoft/.NET technologies (i.e. SharePoint, K2 Workflow, etc.) - Developed and manged IT office infrastructure (scope: 100+ servers, 2K+ users, 3 sites): Microsoft/Linux technologies and open-sources - ISO 27001 Project Leader

IT Operation Lead

Jan 2008 - Sep 2008 (8 months)

- Developed and managed Production network/system infrastructure: Linux technologies and open-sources (i.e. CentOS, Apache, MySQL, PHP, iptables, squid, postfix, etc.), CheckPoint/CiscoASA clustering firewalls, clustering SAN Storage system, Cisco Network interconnection, Dual-power sources management system, etc. - Developed and managed IT office network/system infrastructure: Microsoft technologies (i.e. Windows Server, Active Directory, Exchange, Group Policies, etc.)

Systems Team Leader / Systems Engineer

Jun 2003 - Jan 2008 (4 years)

- Designed the solutions, supervised the implementation and delivery of Systems Integration projects regarding to: Directory/Auth/Email/Network services, DAS/NAS/SAN Storage and Backup systems, Database/Clustering/NLB systems, Security systems, Linux/UNIX solutions, etc.

Education

Computer Science and Engineering (CSE)

1999 - 2001 (2 years)

Qualifications

CompTIA Security+ (2009)

CompTIA, Inc.

CompTIA ID: COMP001007993579

CompTIA Linux+ (2008)

CompTIA, Inc.

CompTIA ID: COMP001007993579

MCSE | Security (2008)

Microsoft

MCP ID: 3561306

Certifications

  • Preferred Freelancer Program SLA
    97%
  • Numeracy 1
    94%
  • US English Level 1
    93%
  • Unix Level 1
    83%
  • Python Level 1
    80%

Verifications

  • Facebook Connected
  • Preferred Freelancer
  • Payment Verified
  • Phone Verified
  • Identity Verified
  • Email Verified

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