High-Performance Node.js Backend Engineer

Talemexa; United States; On-site; USD 90,000 - 130,000; Full time

Job summary

Talemexa is seeking a Node.js Developer to design, develop, and maintain high-performance APIs and backend services. You will build scalable server-side applications with Node.js, Express, or NestJS, working with REST and GraphQL APIs and cloud integrations.

The ideal candidate has 3–6 years of Node.js experience, strong TypeScript skills, and practical knowledge of databases like MongoDB or PostgreSQL, plus familiarity with background jobs, testing, and production monitoring.

Qualifications

• 3–6 years of professional Node.js development experience.
• Hands-on experience with Express.js or NestJS.
• Experience designing and developing REST APIs and GraphQL APIs.
• Practical knowledge of MongoDB or PostgreSQL and database design principles.
• Understanding of asynchronous programming and background processing.
• Familiarity with queues, caching systems, and scheduled jobs.
• Experience writing automated tests and debugging backend applications.
• Basic knowledge of cloud platforms such as AWS or Microsoft Azure.

Responsibilities

• Design, develop, test, and maintain scalable backend services using Node.js.
• Build server-side applications using Express.js or NestJS.
• Design, implement, and maintain RESTful and GraphQL APIs.
• Develop real-time application features and reliable communication between services.
• Use TypeScript to write structured, maintainable code.
• Design database schemas and manage data access using MongoDB or PostgreSQL.
• Optimize database queries, indexing strategies, and data models for performance.
• Implement background jobs, queues, and asynchronous processing workflows.
• Use caching techniques to improve response times and reduce DB ops.
• Integrate third-party APIs and external services.
• Apply API security best practices, including auth, input validation, and secure errors.
• Write unit and integration tests to ensure code quality.
• Monitor backend services and implement performance improvements.
• Support deployments on AWS or Azure.
• Participate in code reviews and architecture planning.
• Collaborate with frontend, product, QA, and stakeholders.

Skills

Node.js

Express.js

NestJS

REST API Design

GraphQL API Development

MongoDB

PostgreSQL

Background Jobs/Queues

Caching/Async Processing

API Security

Automated Testing

Git

AWS Fundamentals

Azure Fundamentals

Tools

MongoDB

PostgreSQL

AWS

Azure

Git

Job description

Talemexa is seeking a Node.js Developer to design, develop, and maintain high-performance APIs and backend services. You will build scalable server-side applications with Node.js, Express, or NestJS, working with REST and GraphQL APIs and cloud integrations.

The ideal candidate has 3–6 years of Node.js experience, strong TypeScript skills, and practical knowledge of databases like MongoDB or PostgreSQL, plus familiarity with background jobs, testing, and production monitoring.