Senior Principal Node.js Engineer (Remote) at KloudOpp Limited

About the Role

KloudOpp Limited is seeking an elite Senior Principal Node.js Engineer with deep expertise across the complete Node.js ecosystem — including Node.js 10 → 22, modern JavaScript (ES6 → ES2024), TypeScript, backend frameworks, cloud-native design, and distributed microservices.

This role is for a senior technical leader who has architected, built, and delivered enterprise-grade systems, cloud-native microservices, secure backend applications, and highly complex business logic–driven platforms across FinTech, HealthTech, Blockchain, and Logistics.

You must be hands-on, advanced in modern backend engineering, comfortable with live system troubleshooting, and capable of teaching and mentoring at a senior level.

Key Responsibilities

Architecture & Engineering

• Architect and build scalable, cloud-native microservices using Node.js and TypeScript
• Design modern, secure monolithic backend systems where domain cohesion is appropriate
• Apply Domain-Driven Design (DDD), Clean Architecture, Hexagonal Architecture, CQRS, and Event-Driven patterns
• Implement high-performance services using async/await, streams, workers, clustering, and event loops

Backend Frameworks & Services

Expert-level experience with at least one of the following:

• Express.js
• NestJS
• Fastify
• Koa
• Hapi
• Serverless Framework (AWS Lambda, Azure Functions, Cloud Functions)
• GraphQL (Apollo, Yoga, Mercurius)

Cloud, DevOps & Infrastructure

• Build, deploy, and operate Node.js applications on AWS, Azure, or GCP
• Design and maintain CI/CD pipelines, Docker-based workflows, and Kubernetes deployments
• Implement observability: logging, metrics, tracing, distributed monitoring, and incident response

Database & Storage

Hands-on work with SQL and NoSQL systems including PostgreSQL, MySQL, and MongoDB

Requirements

• Successful completion of security background check
• Rigorous technical assessment
• GitHub repositories showcasing real work

Location

Remote