Location: Danang Office 

Employment Type: Full-time 

DAC Data Technology Vietnam is a subsidiary of Hakuhodo DY One, a leader in Japan’s online advertising industry.  

Our main business content is Product Development & Data Science.  

In product development, we have provided consulting and development across a wide range of advertising technologies.  

In the data business, beyond analytics we integrate and enrich data to deliver actionable business value.  

With an experienced engineering team, we consistently enhance our clients’ operational efficiency and business outcomes. 

JOB DESCRIPTION 

• Develop and maintain the web application (UI and server side) of a large-scale Internet Advertising platform for a Japanese client, using Laravel, Vue.js and MySQL. 
• Continue modernizing the system on Laravel (Laravelize) and Vue.js, keeping behavior consistent with the existing features. 
• Work with BigQuery for reporting and data processing: write and optimize queries, investigate data issues. 
• Analyze requirements (specifications may be in Japanese; translation and AI tools are provided), estimate tasks, implement features, and write unit tests and E2E tests. 
• Create pull requests, review teammates' code, and address review comments from Japanese engineers. 
• Build and roll out AI agents and agent skills (e.g. on Claude Code) to automate the team's workflow across all phases: requirement analysis, coding, testing, code review and operations. 
• Investigate and resolve technical issues through debugging, log analysis and research; take part in release support and system monitoring on a rotation basis. 

REQUIREMENTS 

Must have: 

• Bachelor’s degree in computer science, Engineering or a related field. 
• 2+ years of professional PHP web development experience. 
• Hands-on experience with Laravel (PHP 8.x) in real projects; unit testing with PHPUnit. 
• Hands-on experience with Vue.js; solid JavaScript (ES6), HTML/CSS. 
• Experience with BigQuery: writing and optimizing SQL on large datasets. 
• Good SQL and relational database skills (MySQL). 
• Able to read and understand existing code and refactor it safely. 
• Proficient in Git and a pull-request-based workflow (GitHub). 
• Experience using AI coding tools (Claude Code, GitHub Copilot, Cursor…) in daily work, and interest in building AI agents/agent skills to automate work. 
• Able to read technical documents in English. 

Nice to have: 

• Experience with FuelPHP, Backbone.js or React. 
• Experience with E2E testing using Playwright or Cypress and writing test cases/test documents. 
• Experience building AI agents, agent skills or MCP integrations. 
• Experience with Google Cloud Platform (GCP) or Amazon Web Services (AWS). 
• Experience designing RESTful APIs. 
• Experience with Docker and CI/CD (GitHub Actions, CircleCI…). 
• Able to write design documents (UML, sequence/ER diagrams). 
• Experience with Node.js or Python. 
• Experience in the Internet advertising domain. 
• Japanese (reading/communication for work) is a plus. 

BENEFITS 

# Career path improvement 

• Work, learn and develop with young and talented colleagues who are passionate and have big vision 
• Challenge yourself with new technologies and hot tech trends in the world 
• Participate in training programs on technical skills, soft skills and working methods 
• Be advised and share about career path and self-development. 

# Income 

• Salary: Negotiable. Bonus: Twice-a-year (total package 14–15 months of salary per year) 
• Probation: 100% salary  
• Performance review: Every January  
• Japanese, TOEIC allowance; Technical Certificates allowance 

# Healthcare 

• Premium healthcare for yourself and family members 
• Annual health checkups at prestigious hospitals. 
• Women care regimen: Women physiological rest: 8 hours/month; Postpartum rest for female staff with children under 2-year-old: 1h/day 
• Premium health insurance (Bao Viet Tokio Marine) for yourself; and your family (for level Leader & Manager) 

# Company activities 

• Annual company trips, various exciting events at the most luxurious hotels twice a year 
• Monthly allowance for team activities   
• Happy hours & daily fruits   
• Working time: 8:00 – 17:00 (Monday – Friday), Days Off: Saturday – Sunday and holidays, Tet in accordance with Vietnam Labor Law 

CONTACT 

DAC DATA TECHNOLOGY VIETNAM JSC - DANANG OFFICE  

Address: Eden Plaza, 5-7 Duy Tan, Hoa Cuong Ward, Da Nang  

Email: recruit@dac-datatech.vn