Technical Lead (Node.js) |1.1B VND/year

Role Overview

We are hiring a Technical Lead to take ownership of designing, building, and operating large-scale, distributed, real-time backend systems. This role requires strong system design capability, production ownership, and the ability to work closely with senior technical leadership.

Key Responsibilities

● Design and evolve backend architecture for distributed, high-traffic systems

● Build and operate real-time services (messaging, notifications, service-to-service communication)

● Ensure high availability, scalability, and reliability

● Own features end-to-end: design → development → deployment → monitoring

● Participate in capacity planning, performance tuning, and incident response

● Mentor junior engineers and provide technical guidance

● Collaborate closely with Frontend, Mobile, DevOps, and leadership teams

Requirements

● 5–7 years of backend engineering experience

● 3+ years of production experience with Node.js

● Strong experience with distributed systems and microservices

● Hands-on experience with real-time communication (WebSocket, gRPC, Protobuf)

● Solid knowledge of JavaScript / TypeScript and async, non-blocking architectures

● Experience designing high-traffic RESTful APIs

● Practical experience with: MongoDB, Redis, Kafka, Elasticsearch / OpenSearch

● Strong understanding of event-driven architecture and distributed system patterns

● Experience with Docker, Kubernetes, and CI/CD

● Proven ownership mindset and ability to troubleshoot production issues

● Experience mentoring or guiding junior engineers

Nice to Have

● Backend experience with Golang or Java

● Experience with WebRTC or real-time media systems

● Domain knowledge in chat / messaging platforms

● Experience with push notifications (FCM / APNS)