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@khanhtd
Flag of Vietnam Ho Chi Minh, Vietnam
Member since December 23, 2012
5 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
106 reviews
6.8
  • 99%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 44%Repeat Hire Rate

Portfolio

Recent Reviews

  • image of camronhaider Project for Khanh $200.00 USD

    “Khanh is a pleasure to deal with and is a superhero when it comes to technical knowledge. The only one I'll be trusting with my projects!”

  • image of juanc2503 256 Hash and RSA $450.00 USD

    “as usual the best python developer. i am so amazed by his experience and his understability”

  • image of juanc2503 Build a electronic signature $455.00 USD

    “just have no word to explain how khanh code. he is the best in business he understand and creates programs as doing paper planes. amazing job will always work with him”

  • image of webmaster335 Add new option $200.00 USD

    “Always do everything I ask exactly and at a very good price.. Do not hesitate to deal with him ...”

  • image of webmaster335 Add new feature $250.00 USD

    “He has a talent called creativity”

  • image of webmaster335 Upgrade feature $660.00 USD

    “If you want to finish your work quickly, hire that person immediately !!”

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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