Python Developer

Employment Type: Vietnamese - 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, maintain, and enhance server-side applications using Python.
• Design, implement, and optimize RESTful APIs and backend services.
• Write clean, maintainable, scalable, and well-documented code.
• Troubleshoot and debug issues, and contribute to system improvements.
• Participate in code reviews and technical discussions.
• Ensure application performance, security, reliability, and scalability.

REQUIREMENTS

Must have:

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• At least 3 years of relevant work experience.
• Strong proficiency in Python, OOP, and related frameworks (e.g., Django, Flask, FastAPI).
• Experience with relational databases (MySQL, PostgreSQL) and/or NoSQL databases (MongoDB, Redis), including schema design and query optimization.
• Good understanding of RESTful APIs, API design, authentication mechanisms (JWT/OAuth2), microservices, and web architecture.
• Familiarity with version control systems, preferably Git.
• Testing: pytest/unittest; code style PEP 8; typing/annotations.
• Strong problem-solving skills and ability to work in a team.

Nice to have:

• Experience with containerization (Docker) and cloud platforms (AWS, GCP, Azure) is a plus.
• Experience with CI/CD (GitHub Actions, CircleCI, ..)
• Docker; ability to write/model design documents (UML, sequence/ER diagrams).
• TDD; UI testing (Selenium/Playwright).
• Data workflows: Airflow/Prefect; ETL/streaming basics.
• Experience using AI coding assistants (GitHub Copilot, Claude Code, Cursor).

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. Twice-a-year bonus

• 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

Hanoi Office: 2A floor, Hong Kong Tower, 185 Huynh Thuc Khang, Lang Ward, Ha Noi Danang Office: Eden Plaza, 5-7 Duy Tan, Hoa Cuong, Da Nang Email: recruit@dac-datatech.vn