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← Sun Group

Senior Backend Engineer

Sun Group · Trung tâm CNTT và CĐS, Hà Nội
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Type
Full-time
Work mode
On-site
Level
Staff
Industry
Engineering / Mechanical
Department
Trung tâm CNTT và CĐS
Salary
Thương lượng
Location
Trung tâm CNTT và CĐS, Hà Nội

Overview

  • As a Backend Engineer within the Platform teams, you will design, build, and operate highly scalable, highly available, and fault-tolerant AI-first E-Commerce and Digital Experience solutions that power Sun Group’s diverse ecosystem.
  • You will work on distributed systems serving millions of users and millions of transactions per month, addressing complex real-world scenarios across travel, hospitality, real estate, aviation, and entertainment. Our platforms integrate with world-class core systems and are natively enhanced by state-of-the-art AI technologies.
  • In this role, you will collaborate closely with your product development team and partners to elevate Sun Group’s services and contribute to Vietnam’s broader digital transformation.
  • Design and operate microservices and event-driven components (Kafka/RabbitMQ) with strong observability (metrics, logs, traces), SLOs, and graceful degradation.
  • Build idempotent, secure REST/gRPC APIs for platform services; handle retries, backoff, saga/outbox patterns, and data consistency.
  • Integrate with payment gateways, third-party partners and Sun Group’s internal platforms securely via OAuth2/OIDC/JWT, API Gateway, and proper rate-limiting.
  • Apply Agile and DevOps practices; CI/CD, automated testing, monitoring; to deliver high-quality code at speed.
  • Contribute to technical design discussions, architecture improvements, and engineering best practices.

Requirements

  • Bachelor’s degree in Computer Science, IT, Electronics/Telecom, or related fields.
  • 5+ years backend development on Linux; solid in at least one of .NET/Go (or Java/Python).
  • Proven experience designing high-volume transactional services (throughput, latency, scalability, caching with Redis).
  • Hands-on with RDBMS (SQL Server, PostgreSQL, MySQL) and NoSQL (MongoDB/Redis); schema design, indexing, and performance tuning.
  • Experience with Docker, Kubernetes, CI/CD; automated testing and observability.
  • Strong understanding of data structures, algorithms, object-oriented design, and familiarity with WebSocket or gRPC is a strong plus.
  • Exposure to cloud platforms such as Azure, AWS, or GCP is an advantage. Experience with Kafka, API Gateway, service mesh is a plus.
  • Soft Skills
  • Strong problem-solving and system thinking for complex, real-world transactional flows.
  • Clear communicator, collaborative with cross-functional teams.
  • Growth mindset, fast learner, comfortable with ambiguity; proactive in raising quality bars.
  • WHY YOU‘LL LOVE WORKING HERE
  • “An cư lạc nghiệp” policy: eligible employees receive full-value commercial apartments for long-term tenure.
  • Premium SunCare Insurance for employees and their families (fully covered for employees).
  • Annual comprehensive health check-up at Sun Group International Hospital.
  • Complimentary access to theme parks, cable cars, cultural/symphonic events, plus exclusive discounts at Hotels & Resorts.
  • Special offers across aviation, NCB banking services, and real estate products.
  • A dynamic, innovation-driven working environment where talent and contributions are recognized and rewarded.

Summary of facts from the official posting. View original ↗

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