Responsibilities: Design, develop, and maintain backend services and APIs for global products using Java. Build a high-performance, highly available, and secure backend system to provide robust support for BigPay Fiat business operations. Engage in and improve the whole lifecycle of service, from inception and design, through to deployment, operation, and refinement. Develop and maintain tools, re-designing capacity planning infrastructure for greater scalability. Troubleshooting, diagnosing, fixing software issues, and ensuring data security, and end-to-end system architecture. Responsibilities: Minimum of 7 years of experience in software development and architecture. Strong expertise in Java and backend frameworks (e.g., Spring Boot, RESTful APIs) Experience with databases (SQL and/or NoSQL), messaging systems (e.g., Kafka, RabbitMQ), and microservices architecture In-depth understanding of Linux and computer networks. Experience in profiling, benchmarking and optimizing ML applicat...