Lead Java/JPA & TypeScript Engineer (Hybrid, Lansing)

COOLSOFT; Lansing (MI); Hybrid; USD 83,000 - 131,000; Full time

Job summary

Coolsoft is seeking a skilled Lead Developer to drive a Java/JPA-based suite with modern front-end tech (Next.js, React, TypeScript, HTML, CSS) in a hybrid Lansing, MI setting. The role emphasizes technical leadership, architecture oversight, and secure, scalable enterprise solutions within the MDHHS eCR Rules Engine context.

The project focuses on integration with health data systems, data integrity, and alignment with state architecture standards, delivering long-term enterprise value while

Qualifications

• Bachelor's degree required.
• 10+ years developing enterprise Java applications.
• Hands-on with Java 17/21, Spring Boot, Spring Security, Spring Data JPA, RESTful APIs.
• Hands-on with Next.js, React, TypeScript, JavaScript, HTML & CSS.
• Experience with PostgreSQL, SQL development, and performance optimization.
• Experience with AWS, Docker, Kubernetes (EKS), and CI/CD via Azure DevOps.

Responsibilities

• Provide technical leadership to the application development team.
• Design, develop, implement, and support complex Java applications.
• Collaborate with business stakeholders to align technical design with requirements.
• Ensure security, data integrity, and SEM/SUITE compliance.
• Participate in architecture reviews, roadmap planning, and maintenance tasks.

Skills

Java

Java 17/21

Spring Boot

Spring Security

Spring Data JPA

RESTful APIs

Next.js

React

TypeScript

JavaScript

HTML

CSS

PostgreSQL

Database design

SQL development

Performance optimization

AWS

Docker

Kubernetes (EKS)

CI/CD

Azure DevOps

Education

Bachelor's Degree

Tools

Drools

Job description

Coolsoft is seeking a skilled Lead Developer to drive a Java/JPA-based suite with modern front-end tech (Next.js, React, TypeScript, HTML, CSS) in a hybrid Lansing, MI setting. The role emphasizes technical leadership, architecture oversight, and secure, scalable enterprise solutions within the MDHHS eCR Rules Engine context.

The project focuses on integration with health data systems, data integrity, and alignment with state architecture standards, delivering long-term enterprise value while