Full Stack Java Developer

Subcontract.

6 months. Potential extension.

Hourly: $75hr

Full Stack Java Developer

No. of positions: 1

Location preference

1. Hopkins, MN.
2. Irving, TX.
3. Brookfield, WI.
4. Atlanta, GA
5. Denver, CO
6. Naperville, IL

JD

• Proficiency in Java and Spring Boot for building scalable microservices with RESTful APIs.
• Experience with Spring Cloud components like Config Server, Eureka, Gateway, and Circuit Breaker.
• Strong understanding of React fundamentals including hooks, state management, and component lifecycle.
• Ability to write type-safe and maintainable front-end code using TypeScript (primary) with React.
• Familiarity with API integration between React front-end and Spring Boot back-end.
• Knowledge of relational databases (e.g., MySQL, PostgreSQL) and ORM tools like JPA/Hibernate.
• Experience with CI/CD tools such as Jenkins, GitHub Actions, or GitLab pipelines.
• Containerization and orchestration using Docker and Kubernetes for deploying microservices.
• Implementation of authentication and authorization using Spring Security and JWT.
• Testing skills using JUnit and Mockito for back-end, and Jest or React Testing Library for front-end.
• Experience with CQRS and Saga patterns for designing scalable and resilient systems.
• Strong knowledge of Spring Boot framework.
• Ability to work end-to-end on stories, from frontend integration to core Java services and database interactions.

Core Requirements

• Java EE Expertise: Proven, hands-on experience in Java EE application design and development, including deep understanding of object-oriented programming and enterprise patterns.
• Spring Boot & REST APIs: Strong proficiency in Spring Boot for building microservices and RESTful APIs, with demonstrable experience in designing scalable and maintainable services.
• End-to-End Test Automation: Experience designing and implementing E2E test automation frameworks to ensure code reliability and maintainability.

API & Microservices

• API Security: Solid understanding of API security practices including OAuth2, JWT, and common vulnerabilities (e.g., OWASP).
• Microservices Resilience: Familiarity with resilience patterns such as circuit breakers, service discovery, and fallback mechanisms.

Tools & DevOps

• Expertise in Git, JIRA, Jenkins, and CI/CD pipelines.
• Proficient with DevOps tooling: Docker, Kubernetes, and source control systems.
• Experience working in an Agile environment (SCRUM or Kanban) with a collaborative and delivery-oriented mindset.

Cloud & Integration (Preferred)

• Experience or familiarity with cloud platforms such as AWS or GCP.
• Exposure to API management and service mesh tools like Apigee and Istio.
• Working knowledge of Kafka for real-time data streaming and messaging.

Databases

• Solid skills in PL/SQL and working experience with relational databases such as PostgreSQL.
• Exposure to NoSQL databases like Cassandra.

Domain Expertise

Prior experience in financial services or banking applications is a strong plus.