Senior Backend Engineer (NodeJS)

II. Mô tả công việc/ Job Description:

We’re building a scalable loyalty and fintech ecosystem that connects millions of users across Southeast Asia.

As a Backend Engineer, you will focus on hands-on backend development, owning backend services and modules end-to-end. This role emphasizes technical depth, system reliability, and code quality, without people-management responsibilities.

Backend Development

• Design, develop, and maintain high-performance backend services using Node.js.

• Build and evolve backendsystemsfollowing microservices or modular architecture.

• Develop RESTful APIs for web, mobile, andpartner integrations.

• Take end-to-end ownership of assigned backendservices or modules(design,

implementation, testing, deployment support).

• Optimize system performance, scalability, and reliability under high traffic.

Code Quality & Operations

• Write clean, maintainable, and well-tested code.

• Participate in code reviews to ensure coding standards, security, and best practices.

• Debug and resolve complex backend issues in production environments.

• Proactively refactor code and reduce technical debt.

• Apply secure coding practices to protect systems and user data.

Collaboration

• Work closely with Frontend, Product, QA, and DevOps teams to deliver features on

time.

• Analyze business requirements and propose appropriate technical solutions.

• Support release activities and ensure backend stability after deployment.

Tools & Productivity

• Use CI/ CD pipelines, logging, and monitoring tools effectively.

• Leverage AI-assisted development tools (e.g., Claude Code, GitHub Copilot,

ChatGPT) to improve productivity when appropriate.

II. Yêu cầu công vi

Yêu cầu công việc

II. Yêu cầu công việc / Requirements:

1. Technical Skills

• 6+ years of backend software development experience.

3+ years of hands-on experience with Node.js in production systems.

• Experience with event-driven architecture or message queues.

• Strong experience building backend services for high-traffic applications.

• Solid understanding of RESTful APIs, asynchronous processing, and backend

performance optimization.

• Hands-on experience with SQL and NoSQL databases, caching (e.g., Redis).

• Good understanding of microservices and distributed systems concepts.

• Experience working with cloud platforms (AWS, GCP, or Azure).

• Familiarity with Git and Agile/Scrum development processes.

Mindset & Working Style

• Strong ownership mindset over assigned services and components.

• Able to work independently with minimal supervision.

• Quality-focused, detail-oriented, and proactive in problem solving.

• Clear communication skills in a cross-functional team environment.

• No people management or team leadership responsibilities required.

2. Bonus Skills:

• Familiarity with event-driven architecture and message queues.

• Experience integrating third-party APIs or working in fintech / loyalty platforms.

• Contribution to open-source projects or technical communities.

3. Nice to Have

• Ability to analyze, review, and improve the complex legacy code.

• Experience integrating fintech, payment, loyalty, or third-party partner systems.

• Familiarity with monitoring and observability tools (ELK, Prometheus, Grafana).

• Experience working in large-scale product systems in Vietnam.

• Prior exposure to AI-assisted development environments.

Quyền lợi

• Thưởng: Competitive salary package (Base salary and performance bonuses). Probation period salary is 100% of the official salary.
• Chăm sóc sức khoẻ: Comprehensive health and accident insurance.
• Nghỉ phép có lương: 15 days of annual leave.
• Máy tính xách tay: Provision of work equipment (Macbook/Laptop, mouse, monitor, etc.).
• Khác: A creative and modern working environment.