Senior Java Developer - Fintech Company / Welcome TTPS高才/QMAS優才/IANG

We are looking for a Senior Java Engineer to join our core backend team. This role focuses on building and optimizing resilient distributed systems that handle large-scale data processing. You will work on the architectural level to ensure system reliability and efficient resource utilization, driving technical excellence across our backend infrastructure.

Responsibilities:

• Design and implement scalable backend services using Java and modern distributed architecture.
• Optimize system performance by identifying bottlenecks in asynchronous processing, memory management, and data persistence.
• Collaborate with the team to architect solutions that ensure high availability and system consistency.
• Maintain high code quality through rigorous testing, code reviews, and technical documentation.
• Develop and maintain secure data handling protocols and system integrity.

Requirements:

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.
• 5+ years of Java development experience, with deep knowledge of JVM internals (e.g., Memory Model, Garbage Collection).
• Proven experience in Distributed Systems (e.g., knowledge of data partitioning, synchronization, or consistency models).
• Solid understanding of multithreaded programming and asynchronous I/O models.
• Familiarity with network communication (e.g., socket programming) and high-performance storage engines.
• Basic understanding of data security and encryption principles is an advantage.
• Experience with open-source system architecture or large-scale backend infrastructure.
• Strong problem-solving skills and a proactive attitude toward technical challenges.