Senior MERN Stack Developer — AWS & Microservices

Quantum Technologies LLC; Dallas (TX); On-site; USD 80,000 - 107,000; Full time

Job summary

Quantum Technologies. LLC is seeking a MERN Stack Developer in Dallas to design, develop, and maintain scalable full‑stack applications using MongoDB, Express.js, React.js, and Node.js. The role emphasizes strong backend work with TypeScript, RESTful APIs, and cloud-native architecture on AWS.

You will build scalable microservices, optimize databases, and ensure secure, high‑performing software. Collaboration across teams, CI/CD, and containerization with Docker/Kubernetes are key parts of the

Qualifications

• 6+ years of professional experience in full-stack software development.
• Strong hands-on experience with MongoDB, Express.js, React.js, and Node.js.
• Experience designing and developing RESTful APIs, microservices, and distributed applications.
• Experience deploying and maintaining applications on AWS.
• Hands-on with Git, GitHub workflows.
• Familiarity with secure coding practices.

Responsibilities

• Design, develop, and maintain full-stack web applications using MERN stack.
• Build scalable backend services and RESTful APIs with Node.js, Express.js, and TypeScript.
• Design and implement microservices and event-driven architectures.
• Develop and optimize MongoDB schemas and queries.
• Integrate frontend with backend services and third-party APIs.
• Build cloud-native apps using AWS services (Lambda, API Gateway, ECS/EKS, etc.).
• Implement authentication, authorization, and secure API practices.
• Improve performance, scalability, and reliability through code and DB optimization.
• Develop automated tests and support CI/CD pipelines.
• Use Docker and Kubernetes for containerization and deployment.
• Troubleshoot production issues and participate in code reviews and Agile ceremonies.

Skills

RESTful APIs

Microservices

TypeScript

Node.js

Express.js

React.js

MongoDB

AWS

Security best practices

Education

Bachelor's degree in Computer Science or related

Tools

AWS (Lambda, API Gateway, ECS/EKS, etc.)

Docker

Kubernetes

Git & GitHub

CI/CD tooling (Jenkins, GitHub Actions)

Serverless architecture

Terraform

Job description

Quantum Technologies. LLC is seeking a MERN Stack Developer in Dallas to design, develop, and maintain scalable full‑stack applications using MongoDB, Express.js, React.js, and Node.js. The role emphasizes strong backend work with TypeScript, RESTful APIs, and cloud-native architecture on AWS.

You will build scalable microservices, optimize databases, and ensure secure, high‑performing software. Collaboration across teams, CI/CD, and containerization with Docker/Kubernetes are key parts of the