Role: Senior Full Stack Java API Developer
Location: Chicago, IL
Model: Onsite
Type: Contract
Duration: Long Term
Responsibilities:
- API Development: Build, maintain, and optimize APIs (Application Programming Interfaces) for seamless integration with external systems, payment gateways, and third-party services.
- Feature Implementation: Collaborate with product managers and stakeholders to understand requirements and implement new features and enhancements in PayEdge and GP2.
- Database Management: Design, optimize, and maintain databases for PayEdge and GP2, ensuring efficient data storage, retrieval, and manipulation.
- Security Compliance: Implement security best practices & measures to protect sensitive data, prevent unauthorized access, and ensure compliance with industry standards such as PCI DSS.
- Design and develop Kafka-based event-driven architectures to support real-time data processing and streaming applications.
- Implement Kafka producers and consumers using Java programming language.
- Develop custom serializers and deserializers for handling JSON data formats in Kafka messages.
- Integrate Kafka with API Gateway services to enable secure and efficient communication between microservices and external clients.
- Design and implement RESTful APIs using Java and Spring Boot and Photon Framework.
- Collaborate with cross-functional teams to understand requirements and design scalable solutions that meet business needs.
- Optimize Kafka configurations and performance tuning to ensure high throughput, low latency, and fault tolerance.
- Implement monitoring, logging, and alerting solutions for Kafka clusters to ensure system reliability and availability.
- Troubleshoot and debug issues related to Kafka, Java, JSON, and API Gateway components.
- Document design decisions, architecture diagrams, and technical specifications.
Qualifications:
Need strong experience in the payment gateways and experience with PayEdge or GP2 would be highly preferable.
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