Lead MERN Backend Engineer | AWS & Microservices

Solugenix; New York (NY); Remote; USD 83,000 - 124,000; Part time

Job summary

Solugenix is seeking a backend-heavy MERN engineer for a 12-month contract based out of New York, NY (Remote). You will design, develop, and support scalable backend applications using Node.js, Express.js, TypeScript, and MongoDB, with strong AWS experience.

The role emphasizes building RESTful APIs, microservices, and secure cloud-based solutions while collaborating with product, architecture, DevOps, and QA teams.

Qualifications

• 8+ years of overall software development experience.
• Strong hands-on experience with Node.js and Express.js.
• Strong experience designing and developing RESTful APIs and backend services.
• Experience building microservices and distributed applications.
• Strong experience with MongoDB, including schema/data modeling, aggregation, indexing, and performance optimization.
• Hands-on experience with AWS cloud services.
• Experience with AWS services such as: Lambda, API Gateway, ECS/EKS, EC2, S3, DynamoDB, SQS/SNS, CloudWatch, and IAM.
• Experience developing serverless and/or containerized applications on AWS.
• Strong understanding of API security, authentication, and authorization, including OAuth/JWT.
• Experience integrating applications with third-party APIs and external systems.
• Experience with Docker and containerized deployments.
• Good understanding of CI/CD pipelines and modern DevOps practices.
• Experience with Git/GitHub and Agile development methodologies.
• Strong production troubleshooting, debugging, logging, and performance-tuning skills.
• Working knowledge of React.js and frontend integration.
• Excellent problem-solving and communication skills.

Responsibilities

• Design and develop scalable backend applications using Node.js, Express.js, TypeScript, and MongoDB.
• Build and maintain REST APIs, microservices, and integration services.
• Design asynchronous and event-driven processing workflows.
• Integrate backend services with web applications, external APIs, databases, and enterprise systems.
• Improve application performance, scalability, reliability, and security.
• Participate in architecture and technical design discussions.
• Develop reusable, maintainable, and testable code.
• Troubleshoot complex production issues and perform root-cause analysis.
• Work with DevOps teams on CI/CD, cloud deployments, monitoring, and operational improvements.
• Conduct code reviews and contribute to engineering best practices.

Skills

Node.js

Express.js

REST APIs

MongoDB

AWS

React

Next.js

Tools

Docker

Kubernetes

AWS CDK

Job description

Solugenix is seeking a backend-heavy MERN engineer for a 12-month contract based out of New York, NY (Remote). You will design, develop, and support scalable backend applications using Node.js, Express.js, TypeScript, and MongoDB, with strong AWS experience.

The role emphasizes building RESTful APIs, microservices, and secure cloud-based solutions while collaborating with product, architecture, DevOps, and QA teams.