Senior Software Engineer (Java)

We are seeking a talented Backend Software Developer to join our team. As a key member of our Engineering team, you will collaborate closely with Product, Design, and Engineering teams to deliver integrated solutions that exceed our customers' expectations. Additionally, you will play a vital role in enhancing our engineering processes, ensuring high availability and low latency in our mission-critical environment.

Responsibilities:

• System Development: Responsible for designing, developing, and maintaining a large-scale Payment Platform for VNG's games and services; ensuring high availability, security, and optimal performance.
• Process Optimization with AI: Utilize AI tools (GitHub Copilot, Cursor, Claude, ChatGPT...) to accelerate coding, code reviews, source code refactoring, unit testing, and automate repetitive tasks.
• Technical Leadership: Participate in the Code Review process, mentor junior members, and define system architecture.
• Cross-functional Collaboration: Coordinate closely with teams (Frontend, Product, QC, Operations...) to implement features and ensure a seamless user experience.

Requirements:

• Experience: Minimum 5 years of software development experience, including at least 3 years working deeply with Java in a Production environment.
• Solid Foundation: Deep understanding of data structures, algorithms, operating systems, computer networks, and databases.
• Database & Caching: Experience working with MySQL/PostgreSQL (schema design, query optimization), Redis, and MongoDB.
• Distributed Systems: Proficient in messaging platforms such as Kafka or RabbitMQ; clear understanding of Microservices and Modular Monolith architectures.
• Cloud & DevOps: Experience working on Google Cloud Platform (GCP), Docker, Kubernetes, and CI/CD tools.
• Problem-solving Mindset: Ability to analyze problems under high pressure, actively seeking new technology solutions (especially AI) to improve and evolve systems.
• A proactive approach to integrating AI into the software development lifecycle (SDLC).