Principal PHP Software Engineer (Technical Lead)
freeC's Client

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Full time
Hiring 2 people
10 years of experience
Ho Chi Minh
Published 27/05/2026

Why You’ll Love Working Here

Annual health checkups & full social insurance
Social insurance based on full salary
13th & 14th-month salary, full probation salary, company trips & team activities

Job Description

  • Design, implement, and maintain complex features for large-scale web applications using pure PHP
  • Lead technical investigations and solve challenging issues related to performance, scalability, maintainability, and legacy systems
  • Take ownership of critical technical tasks, define implementation approaches, and document solutions for long-term reuse
  • Lead technical design and support development members from a technical perspective
  • Perform code reviews and improve code quality, coding standards, and maintainability
  • Improve existing systems through refactoring, optimization, version upgrades, and modernization initiatives
  • Utilize AI tools (GitHub Copilot, ChatGPT, Claude, Gemini, etc.) to improve development productivity and test automation


Requirements:

  • 10+ years of experience in PHP web application development
  • At least 2 years of experience in a technical leadership role such as Technical Lead, Solution Architect, Technical Architect, or equivalent
  • Strong experience developing and maintaining large-scale or high-traffic web systems
  • Strong understanding of scalable architecture, maintainability, performance optimization, and long-term system operation
  • Hands-on experience with refactoring, code review, unit testing, SQL optimization, and legacy system modernization
  • Experience leading technical design and solving complex system-level issues
  • Experience with PHP frameworks such as Laravel, CakePHP, Zend, CodeIgniter, or Yii2
  • Experience with VueJS, HTML, CSS, and JavaScript
  • Ability to create technical documentation and communicate technical solutions clearly
  • Strong problem-solving and analytical skills
  • Experience working with Japanese projects/companies
  • Practical experience using AI development tools

Skills

Unit Testing
PHP
Technical Documentation

Benefits

  • 13th and 14th-month salary; full social insurance contributions based on gross salary
  • 100% salary during probation
  • Opportunities to attend training in Japan
  • Japanese engineers provide on-the-job training (OJT)
  • Full social insurance based on contract salary
  • Annual company trip, with 50% of the cost covered for employees’ families
  • Many events throughout the year: Women’s Day, Men’s Day, Children’s Day, Mid-Autumn Festival, Christmas, Year-End Party, quarterly teambuilding, family activities, monthly birthday celebrations...
  • Annual health checkups
Company Info
freeC's Client
Ho Chi Minh
101-300 employees
https://freec.asia/
Ho Chi Minh
101-300 employees
https://freec.asia/
HRTech
IT/ Web

About

freeC is the Smart Recruiting Platform that leverages matching technology to actively connect hundred of thousand of employers and job seekers. The success of freeC is determined by our success in operating as a unified team. If you're interesting, ambitious, and eager to advance your career with us, explore our vacancies as below. We're excited to have you on board our ship to help us grow fast, deliver on our mission of actively connecting employers and job seekers around Vietnam

Working Address

Lầu 06, Tòa nhà BCONS TOWER II , Số 42/1, Đường Ung Văn Khiêm, Phường 25, Quận Bình Thạnh, TP. HCMView map