Staff Software Engineer

About Giao Hàng Nhanh (GHN)

Giao Hàng Nhanh (GHN) is one of Vietnam's leading logistics companies, proudly delivering exceptional services with the commitment: "Smarter, Faster, More Cost-Effective." GHN empowers millions of businesses to optimize their operations while creating thousands of jobs for the Vietnamese workforce.

Founded with the mission to revolutionize the logistics industry and guided by a technology-driven vision, GHN continuously integrates advanced technological solutions into every delivery. This enables streamlined operations, enhanced delivery performance, and a fast, safe, and efficient customer experience - serving a wide range of clients, including E-commerce platforms, retailers, and individual consumers.

With a nationwide network spanning all 63 provinces and cities, a forward-thinking innovation strategy, and robust logistics infrastructure, GHN continues to affirm its position as a pioneer in Vietnam's rapidly growing E-commerce and logistics sector.

Why Join GHN?

Be part of a forward-thinking company that is shaping the future of e-commerce delivery. At GHN, you'll have the opportunity to work on impactful projects, utilize state-of-the-art technologies, and collaborate with top talent in a dynamic and innovative environment.

About the Role

We are seeking a highly skilled Senior Software Engineer to lead the design and development of a next-generation logistics payment platform for one of Vietnam's leading logistics companies. This platform processes millions of daily transactions and plays a critical role in nationwide logistics and transportation operations. You will collaborate closely with cross-functional teams to transform business requirements into scalable, resilient, and high-performance software solutions.

Key Responsibilities

• Design & Develop Payment Solutions
  : Build and enhance scalable backend systems that power core payment operations, including transaction processing, settlement, reconciliation, fraud detection, and financial reporting.
• API Development
  : Design and implement robust, secure, and well-documented APIs to support seamless integration with internal systems and external financial partners, enabling a more connected payment ecosystem.
• Performance & Reliability
  : Continuously monitor and optimize system performance. Proactively troubleshoot and resolve production issues, conduct root cause analysis, and drive system refactoring to improve reliability, maintainability, and scalability.
• Code Quality & Best Practices
  : Write clean, modular, and testable code that adheres to engineering best practices. Contribute to code reviews, technical documentation, and knowledge sharing to maintain high standards across the engineering team.
• Agile Collaboration
  : Work in a fast-paced Agile environment, collaborating with product managers, frontend developers, QA engineers, DevOps, and other stakeholders to deliver high-impact features and improvements.

Requirements

• Bachelor's Degree in Information Technology, Computer Science, or a related field.
• 4+ years of professional experience in backend or system-level software development.
• Proficient in
  Golang or Java,
  with a strong understanding of concurrency, performance optimization, and the respective ecosystems.
• Strong skills in
  system design and architecture
  , capable of building fault-tolerant, scalable, and modular backend systems.
• Hands-on experience with
  distributed systems and microservices
  , including event-driven architecture, service decoupling, and API design (HTTP, gRPC).
• In-depth knowledge of
  relational databases
  (MySQL, PostgreSQL) and
  NoSQL databases
  (MongoDB, etc.), with expertise in schema design, indexing, and query optimization.
• Familiarity with distributed system components, such as:
• 1) Caching (Redis or similar)
• 2) Distributed locking (Zookeeper, etcd)
• 3) Event streaming (Kafka or similar)
• Strong understanding of debugging, monitoring, and tracing tools (e.g., Jaeger, OpenTelemetry).
• Committed to writing
  testable, maintainable code
  with solid experience in unit and integration testing.
• Solid foundation in
  data structures, algorithms, networking, operating systems, and system security
  .
• Excellent communication and collaboration skills, with the ability to work effectively with cross-functional teams.
• Self-motivated, detail-oriented
  , and able to take ownership of projects end-to-end.
• Comfortable using AI tools
  (e.g., GitHub Copilot, ChatGPT, Tabnine) to support coding, documentation, testing, and productivity improvements.

Nice to Have

• Experience with
  Docker
  and
  Kubernetes
  for containerization and orchestration.
• Familiarity with
  Google Cloud Platform (GCP)
  and cloud-native architectures.
• Experience in
  technical leadership
  , architecture reviews, or contributing to cross-team design initiatives.

Benefits

• 13th-month salary & performance bonus
• Quarterly KPI bonus
• Social & Unemployment Insurance as per Vietnamese law
• Premium Healthcare Insurance
• Annual health checkup
• Annual salary review
• Company trip / team building
• Internal & external training opportunities
• Monthly Happy Hour / engagement activities

Working Location:
3rd Floor, Rivera Park - 7/28 Thanh Thai St, Ward 14, District 10, HCMC