Senior Backend Engineer

Job Summary:

Galaxy Joy: The unit responsible for developing and operating the Sky Joy loyalty alliance program for member companies within Sovico Group, while expanding an integrated ecosystem through strategic partnerships in Vietnam and globally.

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

As a Senior 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.

Key Responsibilities:

Backend Development

• Design, develop, and maintain high-performance backend services using Node.js.
• Build and evolve backend systems following microservices or modular architecture.
• Develop RESTful APIs for web, mobile, and partner integrations.
• Take end-to-end ownership of assigned backend services 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.

Job requirements:

Required Qualifications:

Technical Skills

• 5+ years of backend software development experience.
• 3‒4+ 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.

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.

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.

Benefits:

• Competitive salary package (Base salary and performance bonuses).
• Probation period salary is 100% of the official salary.
• Comprehensive health and accident insurance.
• 15 days of annual leave.
• Provision of work equipment (Macbook/ Laptop, mouse, monitor, etc.).
• A creative and modern working environment.

Working location: Galaxy Innovation Hub – D1 Hi Tech Park, District 9, HCMC

Kindly send your CV to: [email protected]