Senior Java Full Stack Developer

Quantum Technologies. LLC; Lansing (MI); On-site; USD 91,000 - 124,000; Full time

Job summary

Quantum Technologies. LLC seeks a hands-on Senior Java Full Stack Application Architect to drive e-commerce modernization, digital transformation, and platform migrations. You will design scalable back-end services with Java/Spring and develop React-based frontends, leading microservices and cloud-native initiatives.

The role emphasizes strong Java 11/17+, Spring Boot, and React experience, plus leadership across cross-functional teams and CI/CD practices in a modern AWS/Kubernetes environment.

Qualifications

• 8+ years of software engineering experience.
• Hands-on in Java, Spring Boot, and React.
• Experience with microservices and cloud-native development.

Responsibilities

• Design and develop scalable Java/Spring Boot microservices and REST APIs.
• Lead e-commerce modernization and digital transformation projects.
• Develop integrations for cart, checkout, catalog, search, order, and payment services.
• Work with AWS, Docker, Kubernetes, and CI/CD pipelines.
• Support migrations, performance optimization, testing, and releases.
• Collaborate with cross-functional teams and provide technical leadership.

Skills

Java 11/17+

Spring Boot

React

Microservices

AWS

Docker

Kubernetes

CI/CD

REST APIs

Kafka

SQL/NoSQL

SFCC

Headless Commerce

Cloud-native

Tools

AWS

Docker

Kubernetes

CI/CD

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Title: Senior Java Full Stack Developer

Location: Lansing, MI

Duration: 12 Months + Extension

Bill Rate: $78/hour

Job Type: W-2, 1099, C2C

Client: To Be Discussed Later

Work Authorization: US-Citizen, H-1B, OPT-EAD, GC-EAD

Job Description : We are looking for a hands-on Senior Java Full Stack Application Architect with strong experience in Java, Spring Boot, React, and Microservices Architecture. The candidate will drive e-commerce application modernization, digital transformation, and platform migration initiatives while developing scalable backend services and React-based frontend applications.

Key Responsibilities :

• Design and develop scalable Java/Spring Boot microservices and REST APIs.


• Lead e-commerce application modernization and digital transformation projects.


• Develop integrations for cart, checkout, catalog, search, order, and payment services.


• Work with AWS, Docker, Kubernetes, and CI/CD pipelines.


• Support application migration, performance optimization, testing, and production releases.


• Collaborate with cross-functional teams and provide technical leadership.


• 8+ years of software engineering experience.


• Strong hands-on experience with Java 11/17+, Spring Boot, and React.


• 3+ years of Microservices and cloud-native development.


• Strong experience in REST APIs, Kafka, and design patterns.


• Experience with AWS, Docker, Kubernetes, and CI/CD.


• Strong knowledge of SQL/NoSQL databases and automated testing.


• Salesforce Commerce Cloud (SFCC).


• Headless / Composable Commerce architecture.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.