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.
• Build production LLM systems to power business functions, from data to production, emphasizing automation and reproducibility.
• Optimize and support LLM workloads in on-prem environments

Requirements

• Minimum of 5 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 applications
• Bilingual English/Mandarin is required to be able to coordinate with overseas partners and stakeholders.


Middleware:
• Java code development experience, preferably Apache open source project developers
• Experience in high availability, high performance, and resource optimization.


LLMOps:
• Experience in LLM-related project architecture design, code development, and performance tuning.
• Experience in LLM training and development of optimization-related platform tools.