Senior MERN Stack & AWS Full-Stack Developer – Chicago, IL

JoB Training & Coaching; Chicago (IL); On-site; USD 120,000 - 160,000; Full time

Job summary

JoB Training & Coaching is seeking a Senior Full-Stack Developer in Chicago, IL to design, develop, and deploy scalable web applications using the MERN stack. You will work with MongoDB, Express.js, React.js, and Node.js, architect databases, and manage migrations in a risk analytics context.

You will lead deployments on AWS, collaborate with risk teams, and mentor junior engineers while maintaining strong code quality through Git workflows and testing.

Qualifications

• 6–10 years of professional full-stack development experience with MERN stack.
• Strong SQL database proficiency and data modeling.
• Experience deploying on AWS and managing cloud infrastructure.
• Proven ability to work independently in fast-paced environments and mentor others.
• Excellent problem-solving and communication skills.

Responsibilities

• Design, develop, and deploy scalable web applications using MERN stack.
• Architect databases, write complex SQL queries, and perform migrations.
• Configure and maintain AWS-based production environments.
• Lead code quality through Git workflows, tests, and reviews.
• Mentor engineers and collaborate with risk analytics teams.
• Support L3 escalations and optimize system performance.

Skills

MERN stack

MongoDB

Express.js

React.js

Node.js

SQL databases

AWS cloud

Git workflows

Mentoring/leadership

Education

Bachelor's degree in Computer Science or related field

Tools

Docker

Kubernetes

CI/CD

TypeScript

Job description

Job Title: Senior Full-Stack Developer – Risk Solutions
Location: Chicago, IL (60606) – Local Candidates Only
Position Type: Min 6-Month Contract
Experience Level: Mid-Senior (6–10 Years)
Education: Bachelor's Degree in Computer Science, Information Technology, or related field
Visa / Relocation: No Visa Sponsorship | No Relocation Assistance

About the Role

We are seeking a highly skilled Senior Full-Stack Developer to join our team in Chicago, IL. In this role, you will independently design, develop, and deploy scalable software applications, custom analytics tools, and web modules supporting enterprise risk consulting operations.
You will work heavily across the MERN stack (MongoDB, Express.js, React.js, Node.js), complex SQL databases, and AWS cloud infrastructure. This position requires a strong technical lead capable of executing end-to-end features, performing data migrations, optimizing queries, and mentoring junior engineering talent.

Key Responsibilities

• Full-Stack Software Development: Independently design, code, test, and debug high-performance web applications and modular software features using MongoDB, Express.js, React.js, and Node.js.
  
• Database Architecture & Migrations: Architect relational databases, write complex multi-table SQL queries, perform schema design, and execute custom data migrations for analytics platforms.
  
• Cloud & Infrastructure: Deploy, configure, and maintain production applications on AWS infrastructure utilizing EC2, S3, Lambda, and RDS services.
  
• Version Control & Quality: Manage source code using Git workflows (branching, merging, pull requests, and peer code reviews) while maintaining rigorous unit testing and security standards.
  
• Technical Support & Troubleshooting: Assist in diagnosing and repairing complex coding issues, including handling escalated (L3) support tickets from internal help desks.
  
• Mentorship & Continuous Improvement: Serve as a technical resource and mentor for developers and analysts, monitor support trends to advise leadership on system enhancements, and stay current with emerging web tools.
  

Required Qualifications

• 6 to 10 years of professional full-stack development experience with a strong concentration in the MERN stack (MongoDB, Express, React, Node.js).
  
• Demonstrated mastery of SQL databases, including complex query writing, database design, indexing, and query optimization.
  
• Practical, hands‑on experience deploying and managing web applications on AWS cloud services (EC2, S3, Lambda, RDS).
  
• Strong experience with Git version control and collaborative developer workflows.
  
• Proven track record of working independently under limited supervision in a fast-paced environment.
  
• Excellent analytical, problem-solving, and communication skills, with experience mentoring team members and handling technical support escalations.
  

Preferred Qualifications

• Prior background or domain knowledge in Insurance, Claims, or Risk Analytics.
  
• Hands‑on experience with custom data analytics builds and enterprise‑scale data migrations.
  
• Knowledge of containerization tools (Docker, Kubernetes) and automated CI/CD pipelines.
  
• Proficiency in TypeScript or modern JavaScript tools.
  
• Experience leveraging AI-driven development tools to accelerate coding workflows and efficiency.