Remote Java developer (contract) Jobs – 74 Open Jobs Today

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Senior Java Spring Boot Developer (SAML & OAuth)

Trusted Tech Solutions -
Remote

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Job details

Part-time | Full-time | Contractual / Temporary

Qualifications

Spring Boot
SSO
Azure
Gradle
Kubernetes
Relational databases
Encryption
System architecture
Git
Java
Databases
Docker
PostgreSQL
RabbitMQ
JPA
REST
APIs
Kafka
HTTPS
Maven
Spring framework
Hibernate
MySQL

Full job description

Job Title: Senior Java Spring Boot Developer (SAML & OAuth)
Location: Remote
Engagement Type: Contract
(Initial part-time, hourly; potential to convert to full-time)

About the Role
We are seeking a highly experienced Senior Java Spring Boot Developer with deep expertise in OAuth 2.0 and SAML 2.0 to design and build secure, production-grade microservices. This role requires a hands-on engineer who can develop authentication and authorization mechanisms from the ground up and integrate with enterprise identity providers.

Key Responsibilities

Develop and maintain production-grade microservices using Java 17+ and Spring Boot
Implement and manage OAuth 2.0 flows, including:
- Authorization Code
- Client Credentials
- PKCE
- Token Introspection
- Refresh Token Rotation
Integrate SAML 2.0 Single Sign-On (SSO) with enterprise identity providers such as Okta, Azure AD, and Ping Identity
Build and manage distributed job scheduling systems using:
- Quartz Scheduler (clustered)
- Spring Batch
- Spring Scheduler
Define and enforce API security policies, including:
- Token validation
- Scope enforcement
- Rate limiting
- Audit logging
Ensure secure and scalable system architecture aligned with modern best practices

Required Experience & Skills

7+ years of professional experience in Java development with Spring Boot in production environments
Strong expertise in Spring Authorization Server or Spring Security OAuth2
Deep understanding of OAuth 2.0 and OpenID Connect, with ability to implement flows without relying solely on frameworks
Hands-on experience with SAML 2.0, including:
- SP-initiated and IdP-initiated SSO
- Metadata exchange
- Attribute mapping
- Assertion encryption and signing
Experience with job scheduling frameworks:
- Quartz (clustered environments)
- Spring Batch pipelines
- Distributed scheduling with Spring
Strong knowledge of:
- Spring Security
- Spring Cloud Gateway
- JWT handling (signing, rotation, blacklisting)
Solid understanding of:
- REST API design
- HTTP security headers
- HTTPS/TLS protocols
Experience with relational databases such as PostgreSQL or MySQL, and ORMs like Hibernate/JPA
Familiarity with event-driven architectures using Kafka or RabbitMQ
Proficiency in Git, Maven/Gradle, Docker, and Kubernetes fundamentals

Nice to Have

Experience working with identity/authorization platforms such as Keycloak, Auth0, or Okta (as an Authorization Server).

JPpsBdEeSo

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java developer (contract) jobs in remote

Senior Java Spring Boot Developer (SAML & OAuth)

Hiring for Fresher -B. tech (CS/IT)

Mobile App Developer

Full Stack Developer

Dot Net Developer

Java Developer with Big Data

Dot Net Full Stack Developer

Splunk Developer

Web Developer

Splunk Administrator/Developer-AppDynamics/Java/Python

Lead Performance Engineer for Work From Home

Splunk Administrator/Developer - AppDynamics/ Java/ Python

AI-Assisted Full Stack Developer

Senior Software Engineer

TA-Java (FSD)

SDET (Software Development Engineer in Test)

AI/ML Engineer

Backend Software Engineer

Java Technical Architect

Freelance Software Engineers & Technology Consultants - 3+ Years | Remote Enterprise Projects |

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