FULL STACK DEVELOPER (JAVA+REACT)

Sphere with clients to transform their operations by integrating cutting-edge technology into every aspect of their business. We help organizations achieve their most ambitious goals by combining deep expertise with innovative solutions. We are currently seeking a Full-Stack Developer to support the development of a real-time event-driven API ecosystem for an advanced lending decisioning platform. This role will focus on building a robust webhook ingestion system, enhancing lender decisioning workflows, and optimizing data retrieval processes. Position Details: Type: Contract Location: Remote Start Date: ASAP Term: 3-6 months Responsibilities: • Webhook Ingestion: Develop and maintain a secure, real-time webhook ingestion system. Ensure high availability and reliability of webhook event processing. • Lender Decisioning Workflow: Implement API triggers upon webhook ingestion to retrieve loan applications. Develop business logic for loan decisioning based on underwriting criteria. • Data Retrieval & API Calls: Design and integrate follow-up API calls to collect necessary financial data (e.g., bank statements, financial reports). Optimize data flow between external systems and internal infrastructure. • Architecture & Deployment: Contribute to the design and implementation of a scalable, event-driven API architecture. Work closely with DevOps to deploy and monitor services in production. • Collaboration & Continuous Improvement: Partner with cross-functional teams, including product managers and data engineers. Continuously improve system performance, security, and scalability. Requirements: • 5+ years of experience in backend development (Java), working with event-driven systems. • Experience with React. • Strong expertise in API development and webhook processing. • Experience with AWS, GCP, or Azure, including event-driven architectures. • Experience with Kafka, RabbitMQ, or similar event-streaming technologies. • Experienced in database design and optimization (SQL & NoSQL). • Experience with CI/CD pipelines, containerization (Docker, Kubernetes). • Experience working in fintech, lending, or financial data processing(is a plus)