Java Developer

Responsibilities

• Design, develop, and iterate Java-based financial credit risk systems covering the full lifecycle from pre-loan to post-loan monitoring.
• Build high-availability APIs capable of handling peak concurrency with low latency requirements.
• Utilize Java ecosystems including Spring Boot, Cloud Alibaba, Nacos, and Seata to ensure microservice stability and data consistency.
• Translate complex risk rules and scoring models into efficient Java code.
• Develop dynamic rule platforms and integrate ML models via RESTful APIs for real-time scoring.
• Connect to financial data sources and build risk data marts using MyBatis or Spring Data JPA.
• Implement robust data security measures, including desensitization and RBAC, to ensure regulatory compliance.

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or FinTech.
• 3+ years of backend development experience.
• 1.5+ years of experience specifically in financial credit risk (banking, consumer finance, or fintech).
• Proficiency in Java (JDK 11+) including JVM tuning and concurrency management.
• Strong experience with Spring Boot, Spring Cloud, MySQL (sharding), and Redis (cluster).
• Familiarity with real-time or batch data processing using Flink or Spark.

Preferred Qualifications

• Experience working with core credit systems in a banking or fintech environment.
• Experience with ML model engineering (integrating TensorFlow/PyTorch into Java APIs).
• Relevant professional certifications such as FRM, CISP, or CFA.
• Knowledge of financial security protocols (API signatures, SM4/SM2).

About the Company

Astra Tech is a leading technology company focused on building advanced digital solutions. We are dedicated to creating secure, high-performance systems that drive innovation in the financial and consumer sectors.