Senior Backend Engineer

6 days ago

Ho Chi Minh City, Ho Chi Minh, Vietnam DatVietVAC Full time $80,000 - $120,000 per year
Job description

1. CDN Optimization & Routing

  • Build dynamic routing services across in-house & third-party CDNs (BytePlus, Gcore, etc.) based on real-time conditions (ISP, bandwidth, cost, QoS).
  • Implement feedback loops using QoE metrics for automatic CDN selection.

2. Experimentation & Config Platform

  • Develop APIs/services for real-time A/B testing, feature flagging, and config-based behavior without redeployments.
  • Collaborate with data engineers to design pipelines and stores for variant analysis.

3. Engagement Platform

  • Design backend systems for omnichannel messaging (push, in-app, email) using real-time user segmentation.
  • Integrate with messaging providers and build routing/logging systems for reliability.

4. Transcoding System Integration

  • Build control panels for configuring backend services, transcoding profiles, and routing rules.
  • Ensure role-based access, audit logging, and fail-safe designs.

5. Core Engineering Practices

  • Design clean APIs, asynchronous workers, and scalable microservices with observability (metrics/logs/traces).
  • Write automated tests (unit/integration/load), CI pipelines, and infrastructure-as-code when required.
Your skills and experience
  • Bachelor's degree or higher in IT, Software Engineering, Computer Science, or related field.
  • At least 4 years of experience as a Backend Engineer
  • Hands-on experience building products serving millions of users
  • Experience deploying and developing services on cloud platforms (GCP, AWS, etc.)
  • Experience in media processing/CDN routing is a plus
  • Strong understanding of programming fundamentals: common algorithms, data structures, etc.
  • Proficient in microservices, event-driven architecture, and real-time messaging
  • Skilled in building and optimizing API performance
  • Languages: Golang, , Python
  • Infrastructure: Kubernetes, Docker, Redis, Kafka
  • Databases: Postgres, MongoDB, MySQL
  • Cloud/CDN: GCP, AWS
  • Tooling: GitHub Actions, Prometheus, Grafana
  • Ability to work under pressure, independently and in a team; capable of explaining technical concepts clearly and simply.
Why you'll love working here
  • Insurance based on 100% of Gross salary.
  • Working hours: Monday to Friday, 8:30 AM – 5:30 PM (1-hour lunch break).
  • 14 annual leave days.
  • Provided with working equipment (Macbook).
  • Parking area available.
  • Year-end PMP bonus (depending on company performance & individual KPIs).
  • Annual health check-up.
  • Internal activities and employee engagement programs.

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