[GHN] Associate Lead/ Senior Software Engineer

Top 3 Reasons To Join Us
User-first mindset, solving real needs with impact
Data-driven culture, decisions backed by insights
Safe space to innovate, fail fast and grow faster
The Job

About 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."

Responsibilities

• Development and implementation of logistics products including but not limited to first-mile, last-mile, warehouse, sorting, and transportation systems.
• Integrate geographic data (GPS, Google Maps API) to calculate distances and travel times.
• Build open API features for core logistics products.
• Performance tuning, online incident troubleshooting, and system refactoring.
• Write high-quality, clean, and maintainable code using engineering best practices.
• Collaborate effectively in Agile environments involving cross-functional stakeholders.

Your Skills and Experience

Requirements

Must have:

• Bachelor's Degree in Information Technology, Computer Science, or related field.
• 7-8+ years of experience in software development, including 1-2 years with Golang applications (at least 6 months).
• Solid experience in software design, system architecture, and system integration.
• Strong programming skills in Python (1-2 years), with practical experience using NumPy or Pandas for data manipulation and analysis.
• Familiarity with event-driven architecture, microservices, and parallel/multi-threaded programming.
• Experience with distributed systems, including Redis and at least one NoSQL database.
• Knowledge of RESTful APIs, Web Services, Sockets, and enterprise integration patterns.
• Comfortable using AI-enhanced tools such as Cursor, Windsurf, or Claude as part of the development workflow.

Nice to have:

• Understanding of Supervised and Unsupervised Machine Learning methods.
• Understanding of Prompt Engineering, or a demonstrated ability to self-learn new AI-related tools and concepts..
• Familiarity with ML algorithms like Linear Regression, Decision Trees.
• Understanding in data cleaning and handling missing data.
• Design and implement route optimization algorithms such as Multi-Depot Vehicle Routing Problem with Time Windows (MDVRPTW) or Two-Echelon Vehicle Routing Problem (2E-VRP) to assign trucks and schedule goods transportation.
• Work with optimization libraries such as OR-Tools.

Why You'll Love Working Here

• 13th-month salary, performance bonuses, and KPI bonuses
• Health insurance, Social insurance, and Unemployment insurance
• Medical insurance
• Annual health checkup
• Annual salary reviews
• Annual team building/company trip
• Ongoing internal and external training opportunities.

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