Role: Sr. Java Backend Developer Location: Pittsburgh, PA(Hybrid) Duration: Long-term Contract Employment Type: W2 / 1099 / C2C Experience: 10 + Years Domain: Preferred exp. With Banking/Financial Domain Job Description: We are seeking a highly skilled Java Backend Developer to design, build, and maintain robust, secure, and scalable RESTful APIs and microservices. The ideal candidate will have strong expertise in modern Java technologies, backend architecture, and cloud-native development. Required Skills: Strong proficiency in Java (modern versions) Expertise in: Spring Framework Spring Boot Spring MVC Spring Security Hibernate / JPA Solid understanding of: Microservices architecture Monolithic architecture Design patterns Strong experience with SQL and NoSQL databases Ability to write and optimize complex queries Experience with Cloud & DevOps: Docker Kubernetes Cloud platforms (AWS / Azure / Google Cloud Platform) Key Responsibilities API Development Design, develop, and maintain RESTful APIs and microservices. Ensure high performance, scalability, and security of backend services. Server-Side Development Translate business requirements into functional, reusable, and testable Java code. Implement clean, maintainable, and efficient backend logic. Database Management Work with relational databases such as MySQL and PostgreSQL. Integrate NoSQL databases like MongoDB. Optimize queries and ensure efficient data storage and retrieval. Performance Optimization Identify system bottlenecks and improve application performance. Optimize backend systems for scalability and responsiveness. Testing & Debugging Develop and maintain unit and integration tests (e.g., JUnit). Participate in code reviews and ensure high-quality deliverables. Collaboration Work closely with frontend developers, DevOps teams, and product managers. Contribute to end-to-end delivery of applications.
For applications and inquiries, contact: hirings@openkyber.com
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