Senior Fullstack (Node JS + React JS)

Position Overview

• We are seeking an experienced Senior Developer with 5+ years of hands-on experience in Node.js and React.js to join our dynamic development team. This role offers an exciting opportunity to lead the design and development of cutting-edge web applications, contribute to key architectural decisions, and help shape the technical direction of our products.

Employment Type: Full-time | Location: Hanoi, Vietnam (Hybrid) | Experience: 5+ years

Key Responsibilities

• Lead the development and maintenance of scalable, high-performance web applications using Node.js (backend) and React.js (frontend).
• Architect and implement RESTful APIs and microservices using Express.js or similar frameworks.
• Build and optimize responsive, interactive user interfaces with React.js, Redux/Context API, and modern CSS frameworks.
• Collaborate closely with designers, product managers, and engineering leaders to translate business requirements into technical solutions.
• Write clean, maintainable, and well-documented code that follows best practices and coding standards.
• Define and implement automated testing strategies, including unit, integration, and end-to-end tests.
• Conduct code reviews, ensure code quality, and provide technical guidance and mentorship to junior and mid-level developers.
• Troubleshoot and resolve complex issues in both development and production environments.
• Contribute to architectural planning, performance optimization, and the continuous improvement of development processes.

Required Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or equivalent practical experience
• +5 years of professional software development experience
• Strong proficiency in JavaScript (ES6+) and TypeScript
• Extensive experience with Node.js and popular frameworks (Express.js, Fastify, or NestJS)
• Solid experience with React.js ecosystem including hooks, state management (Redux/Context), and modern tooling
• Experience with database technologies (MongoDB, PostgreSQL, or MySQL)
• Familiarity with version control systems (Git) and collaborative development workflows
• Understanding of web technologies including HTML5, CSS3, and responsive design principles
• Experience with testing frameworks (Jest, Mocha, Cypress, or similar)
• Strong English communication skills and ability to work in an international team environment

Preferred Qualifications

• Experience with cloud platforms (AWS, Google Cloud, or Azure)
• Knowledge of containerization technologies (Docker, Kubernetes)
• Experience with CI/CD pipelines and DevOps practices
• Familiarity with Next.js, GraphQL, or other modern web technologies
• Experience with Agile/Scrum development methodologies
• Knowledge of performance optimization and security best practices
• Previous experience in fintech, e-commerce, or SaaS environments

What We Offer

• Competitive salary commensurate with experience and skills
• Comprehensive health insurance coverage
• Flexible working arrangements with hybrid remote/office options
• Professional development budget for courses, conferences, and certifications
• Annual performance bonuses and career advancement opportunities
• Modern office environment with latest technology and development tools
• Team building activities, company events, and collaborative work culture