Backend (Middle - Senior)

We're hiring Backend - Java Developer. About us:

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.

PROJECT OVERVIEW

• An AdTech platform for reporting, managing, and optimizing online advertising campaigns.
• Integrates with 50+ media channels (e.g., Google, Yahoo) via API for data collection and bidding automation.
• Processes large-scale data to generate and export up to 5,000 reports/day (CSV, Excel) for advertisers and clients.
• Provides alerts based on budget and KPI predictions.

JOB DESCRIPTION

• Develop and maintain web applications using
  Spring and Spring Boot frameworks
  for backend, for frontend
• Design, build, and optimize RESTful APIs for internal and customer-facing applications.
• Work with MySQL databases: schema design, querying, and performance optimization.
• Propose technical solutions and contribute to process improvements.

REQUIREMENTS

MUST HAVE

• From 2 years + experience in developing applications with
  Spring and Spring Boot
• Familiarity with front-end development using or similar frameworks (React, Angular).
• Experience working with relational databases, preferably MySQL.
• Solid understanding of building and integrating RESTful APIs.
• Proficient in using Git for source code management.
• Knowledge or experience in CI/CD processes with CircleCI or similar tools (Jenkins, GitLab CI).

NICE TO HAVE

• Experience in deploying and operating systems on cloud platforms, preferably Google Cloud Platform (GCE, GAE, GKE, Cloud Run, Pub/Sub). Equivalent experience with AWS or Azure is acceptable.
• Experience working with Google BigQuery
• Strong logical thinking; passionate about large-scale systems and Big Data.
• Able to self-learn and research technical documents in English or Japanese.
• Effective both in teamwork and independent work.
• Can work well under pressure and tight deadlines.
• Proactive, responsible, and committed to completing assigned tasks.

BENEFITS

• 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 paths and self-development.

• Salary: Up to 35,000,000 VND gross. Twice-a-year bonus
• Probation: 100% salary
• Performance review: Every January
• Japanese, TOEIC allowance; Technical Certificates allowance

• Social insurance, health insurance, and unemployment insurance under the insurance law.
• Fully covered all types of insurance as prescribed. 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)

• 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