Senior Full Stack Java Developer (E-commerce + Auth0)

Senior Full Stack Java Developer (E-commerce + Auth0)

Columbus, OH

Position Summary

We are hiring a Senior Full Stack Java Developer with 7-10 years of experience in designing and building scalable e-commerce applications. The ideal candidate should have strong expertise in Java, Spring Boot, Microservices, React/Angular, and hands-on experience implementing Auth0-based authentication and authorization solutions. Experience working on customer-facing e-commerce platforms, user identity management, checkout journeys, and secure API integrations is essential.

Must-Have Skills

7-10 years of Full Stack Development experience

Strong Java development experience (Java 8/11/17)

Expertise in Spring Boot, Spring Security, REST APIs, Microservices

Hands-on experience with ReactJS or Angular

Proven experience implementing and integrating Auth0

Strong understanding of OAuth 2.0, OIDC, SSO, MFA, JWT, RBAC

E-commerce domain experience (B2B/B2C)

Experience with cloud platforms (AWS/Azure)

Strong knowledge of SQL and NoSQL databases

Agile/Scrum delivery experience

Key Responsibilities

Develop and enhance enterprise-scale e-commerce applications.

Design and build scalable REST APIs and microservices.

Implement and manage Auth0 integrations across web and mobile applications.

Configure and support SSO, MFA, Social Login, Role-Based Access Control (RBAC), and identity federation solutions.

Collaborate with Product Owners, Architects, and UX teams to deliver customer-centric solutions.

Integrate payment gateways, customer identity services, and third-party platforms.

Participate in architecture reviews, code reviews, and technical design discussions.

Troubleshoot performance, security, and production issues.

Mentor junior developers and contribute to engineering best practices.

Required Technical Stack

Backend

Java 8/11/17

Spring Boot

Spring Security

Hibernate/JPA

Microservices Architecture

RESTful APIs

Frontend

ReactJS or Angular

JavaScript/TypeScript

HTML5, CSS3

Identity & Security

Auth0

OAuth 2.0

OpenID Connect (OIDC)

JWT

SAML

MFA

RBAC

Database

PostgreSQL, MySQL, SQL Server, Oracle

MongoDB

Cloud & DevOps

AWS / Azure

Docker

Kubernetes

Jenkins / Azure DevOps

Git

Preferred Experience

Experience with leading e-commerce platforms and digital commerce ecosystems.

Hands-on experience with payment gateway integrations.

Experience in Customer Identity & Access Management (CIAM).

Exposure to Headless Commerce architecture.

Cloud-native application development experience.

Ideal Candidate

A strong Full Stack Engineer who has delivered modern e-commerce solutions, possesses deep expertise in Auth0 implementation, and can independently drive secure, scalable, and high-performance application development from design through production deployment.