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Sr Java Engineer Authentication Services (Built from Scratch) - W2 ONLY

Rockville, MD, US • Posted 3 days ago • Updated 1 day ago

Contract W2

No Travel Required

On-site

Depends on Experience

Fitment

Dice Job Match Score™

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Job Details

Skills

Java
Spring Boot
Microservices
Security
Authentication
Authorization

Summary

Location: Rockville, Maryland
Experience: 10–15 Years
Industry: Financial Services

W2 ONLY

Locals preferred. People willing to relocate are welcome to apply.

Job Summary

We are looking for a Senior Java Engineer with strong hands-on experience in Java, Spring Boot, and Microservices. This role involves building secure, scalable applications and working with enterprise security frameworks and tools.

CRITICAL Requirement:
We are specifically seeking candidates who have designed and built authentication/authorization services from scratch (e.g., identity services, token services, auth servers).
Candidates who have only integrated or consumed third-party authentication solutions within applications will NOT be a fit for this role.

Key Responsibilities

Develop and maintain backend services using Java and Spring Boot
Build and support microservices-based applications
Design and implement secure APIs and services
Design, build, and own authentication and authorization services (not just integrations)
Work with enterprise security tools and platforms
Ensure adherence to secure coding practices and compliance standards
Collaborate with cross-functional teams including engineering and security

Required Skills

10–15 years of experience in Java development
Strong hands-on experience with Spring Boot and Microservices
Solid understanding of REST APIs and backend systems
Strong knowledge of application security concepts
Proven experience building authentication/authorization systems (e.g., token issuance, identity flows, session management, etc.)
Deep understanding of authentication protocols such as OAuth2, SAML, JWT — at an implementation level (not just usage)
Comfortable working in a hybrid setup (3 days onsite)

Education

Bachelor’s degree in Computer Science or related field

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 90669633
Position Id: 8935165
Posted 3 days ago

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Sr Java Engineer Authentication Services (Built from Scratch) - W2 ONLY

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