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About the Role

Seeking an engineer to take on the full lifecycle of OpenID Provider and authentication system development, from requirements definition to initial operations, potentially as a solo contributor. This role involves designing and implementing authentication and authorization servers based on OAuth2/OpenID Connect protocols, developing token issuance, multi-factor authentication (MFA), and WebAuthn features, as well as designing and developing RESTful and SOAP APIs.

Responsibilities

Take on the full lifecycle of requirements definition, design, implementation, deployment, and initial operations, or most of the process, as a solo engineer.
Design and implement OpenID Provider.
Design and develop authentication/authorization servers based on OAuth2/OpenID Connect protocols.
Implement token issuance functionality.
Design and implement authentication systems.
Develop authentication features such as login, user registration, and password reset.
Develop multi-factor authentication (MFA) functionality.
Develop WebAuthn authentication functionality.
Design and develop APIs.
Design and implement RESTful APIs.
Design and implement SOAP APIs.
Create and maintain API documentation.
Build and manage CI/CD pipelines.
Design and implement Continuous Integration/Continuous Delivery (CI/CD) pipelines.
Monitor and troubleshoot pipelines.
Deploy and operate systems.
Deploy systems in cloud environments (AWS, Azure, GCP, etc.).
Handle system failures.

Requirements

Experience with Java, OAuth2, Spring, and Docker.
Over 10 years of experience.
Experience with Java and JavaScript programming languages.
Over 5,000 hours of practical experience developing software using Java.
Over 1,000 hours of practical experience developing software using JavaScript.
Experience developing J2EE web applications (EJB is not required).
Experience using frameworks such as Spring Boot.
Self-developed web applications that are commercially operational on the internet.
Understanding of OAuth 2.0 and OpenID Connect protocols.
Deep understanding and implementation experience with OAuth 2.0 and OpenID Connect protocols.
Design and implementation of authentication and authorization flows.
Experience with security protocols and encryption technologies.
Understanding of security protocols such as public-key cryptography, PKI, TLS, and challenge-response.
Practical experience with data encryption and security best practices.
Linux operation capabilities.
Experience developing and operating web applications in a Linux environment.
Fluent operation of shells and editors, able to perform tasks such as changing OS and application settings, file management, program startup/shutdown, and monitoring without hesitation.
Creation and automation of shell scripts.
Experience with Docker and Kubernetes.
Experience using containerization technologies like Docker.
Experience developing Kubernetes manifests.
Self-deployed applications that are commercially operational on the internet.
Ability to read English specification documents.
Ability to read English specifications for OAuth2/OIDC/WebAuthn/NIST SP 800-63 series, etc.

Skills

Java
OAuth2
Spring
Docker
JavaScript
J2EE Web Application Development
Spring Boot
OpenID Connect
Authentication/Authorization Flows
Security Protocols
Encryption Technologies
Public-key Cryptography
PKI
TLS
Challenge-Response
Linux Operations
Shell Scripting
Kubernetes
CI/CD
RESTful API Design
SOAP API Design
API Documentation
Cloud Deployment (AWS, Azure, GCP)
Communication Skills
Problem-Solving
System Diagramming

Experience Level

10+ years

About the Company

DXC Technology believes that strong community ties are key to success.
DXC's work model emphasizes in-person collaboration while offering the flexibility to support employee well-being, productivity, individual work styles, and living situations.
DXC is committed to creating an inclusive environment where everyone can thrive.

Equal Opportunity

DXC is committed to creating an inclusive environment where everyone can thrive.
DXC does not make employment offers through social media networks and does not ask applicants for money or payments at any stage of the recruitment process.
DXC does not ask job seekers to purchase IT equipment or other equipment on our behalf.