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.