Senior API Developer - NestJS/Node.js, AWS & MongoDB

Employee Relations Associates, Inc.; Piscataway Township (NJ); Hybrid; USD 130,000 - 170,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) and holiday pay

Job summary

Employee Relations Associates, Inc. is seeking a Sr. API Developer to design, build, and optimize scalable APIs and microservices in a primarily AWS-based environment.

The role requires strong NestJS, Node.js, and TypeScript expertise, with hands-on MongoDB experience and a background in insurance-related enterprise applications. The position is listed for NJ with Day 1 onsite/hybrid requirements and a long-term engagement beyond 12 months.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 5–8 years of software development experience.
• Experience with NestJS, Node.js, and TypeScript.
• Hands-on experience with MongoDB.
• Experience with AWS Cloud services and cloud-native applications.
• Knowledge of REST APIs and microservices.

Responsibilities

• Design, develop, and maintain applications using NestJS and Node.js.
• Build scalable RESTful APIs and microservices for enterprise insurance applications.
• Design and optimize MongoDB data models and database performance.
• Develop and deploy cloud-native applications on AWS.
• Integrate Generative AI capabilities where applicable.
• Collaborate with architects, product owners, QA, and DevOps teams throughout the SDLC.
• Participate in technical design discussions, code reviews, and sprint planning.
• Write clean, maintainable, and well-tested code following engineering best practices.
• Troubleshoot production issues and continuously improve performance and reliability.

Skills

NestJS

Node.js

MongoDB

AWS

TypeScript

Java

Education

Bachelor's degree in Computer Science, Engineering, or related field

Tools

Docker

Kubernetes

CI/CD pipelines

Terraform/CloudFormation

Job description

Employee Relations Associates, Inc. is seeking a Sr. API Developer to design, build, and optimize scalable APIs and microservices in a primarily AWS-based environment.

The role requires strong NestJS, Node.js, and TypeScript expertise, with hands-on MongoDB experience and a background in insurance-related enterprise applications. The position is listed for NJ with Day 1 onsite/hybrid requirements and a long-term engagement beyond 12 months.