Node.js Backend Developer (TypeScript)

We are seeking a highly skilled Senior Node.js Developer with strong expertise in TypeScript, SQL (MySQL/PostgreSQL), TypeORM, and modular microservices architecture. The role focuses on building scalable backend systems that handle IoT device data and integrate with cloud services, while following modern DevOps and CI/CD best practices.

Key Responsibilities

• Build and maintain backend services using Node.js, TypeScript, and TypeORM.
• Write optimized SQL queries, views, and stored functions.
• Develop modular microservices and serverless functions (AWS Lambda).
• Deploy and manage services on AWS, Azure, or GCP.
• Implement robust GitHub workflows for CI/CD, including automated builds, testing, and deployments.
• Handle IoT data ingestion, processing, and storage.
• Collaborate with product managers, frontend developers, and stakeholders.
• Mentor junior developers and support team growth.
• Diagnose and resolve complex performance and application issues across the stack.

Required Qualifications

• 5+ years of professional experience in Node.js backend development.
• Expert-level knowledge of JavaScript (ES6+) and TypeScript.
• Experience with frameworks such as Express, NestJS, or Koa.
• Strong experience with MySQL/PostgreSQL, including advanced queries and stored functions.
• Experience with unit, integration, and end-to-end testing (Jest, Mocha, Chai).
• Proven ability to design secure, scalable REST or GraphQL APIs.
• Proficiency with Git and CI/CD pipelines using GitHub Actions.

Preferred Skills

• Experience with event-driven architectures (RabbitMQ, Kafka).
• Familiarity with frontend frameworks (React, Angular, Vue.js).
• Knowledge of security best practices (OAuth2, JWT).
• Prior experience in FinTech, E-commerce, or high-traffic applications.
• Bachelor’s degree in Computer Science, Engineering, or a related field.