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← CÔNG TY TNHH SOFTFLEX LLC

Full Stack Developer (NodeJS/ReactJS)

CÔNG TY TNHH SOFTFLEX LLC · Hà Nội
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Type
Full-time
Work mode
On-site
Level
Staff
Industry
IT - Software
Salary
Thương lượng
Location
Thành phố Hà Nội, Hà Nội

Overview

  • Design, develop, and maintain scalable backend services and frontend applications.
  • Build and enhance high-performance fintech/product systems handling large-scale concurrent users and high-volume transactions.
  • Design and implement scalable microservices and distributed system architectures.
  • Develop reliable APIs, asynchronous processing flows, and event-driven services.
  • Optimize system performance, scalability, reliability, and application responsiveness.
  • Collaborate closely with PDM, designers, mobile developers, DevOps teams, and other stakeholders to deliver high-quality products.
  • Design and maintain efficient database structures, caching strategies, and data processing workflows.
  • Troubleshoot and resolve production issues, performance bottlenecks, and distributed system challenges.
  • Implement secure, maintainable, and reusable code following engineering best practices.
  • Reporting and Monitoring
  • Provide regular progress updates to the Director/PDM/Lead Developer of team
  • Create and maintain technical documentation, including code specifications and processes.
  • Maintain up-to-date documentation for knowledge sharing and system sustainability.
  • Produce weekly/monthly performance code report to PDM/Lead Developer of team
  • Cooperation & Collaboration
  • Work collaboratively with internal teams, external vendors, and stakeholders to ensure alignment and delivery quality.
  • Actively comply with company standards.
  • 4+ years of experience with backend development using Node.js/NestJS and frontend development using React.js, TypeScript, JavaScript (ES6+).
  • Strong understanding of Clean Code, SOLID principles, dependency injection (DI), modular architecture, and scalable application design.
  • Experience designing and building scalable microservices, distributed systems, and high concurrency/high-transaction platforms.
  • Strong understanding of RESTful APIs, asynchronous processing, event-driven architecture, background jobs, caching strategies, and message queues.
  • Experience working with relational, NoSQL, and graph databases such as PostgreSQL, Redis, and Neo4j.
  • Experience with Google Cloud Platform (GCP), especially GKE, Google Pub/Sub, and cloud-native architectures.
  • Hands-on experience with Docker, Kubernetes, CI/CD pipelines, monitoring, observability, and system performance optimization.
  • Good understanding of system design, scalability, reliability, application security, authentication/authorization, and secure coding best practices.
  • Experience writing clean, maintainable, and testable code with unit/integration testing practices.
  • Good problem-solving skills and ability to work independently in Agile/Scrum environments.
  • Good English communication skills.

Summary of facts from the official posting. View original ↗

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