Java Development Engineer Intern

Responsibilities
As a core team member, you will be involved in the full-lifecycle development and optimization of our OTC trading ecosystem:
Core System Development:
Develop and maintain the Advertisement System (order book listing), Order System (matching engines and state machines), and User System (credit scoring).
Dispute & Risk Management:
Responsible for automating the appeal system workflow to ensure trading security and fairness.
AI Engineering:
Develop
AI-driven OTC Shopping Assistants
. Utilize LLMs to optimize user inquiries, product recommendations, and automated dispute prediction.
Architecture Optimization:
Solve challenges involving data consistency, distributed locking, and system latency in high-concurrency scenarios.
Requirements
Technical Skills (Hard Skills):
Java Proficiency:
Strong foundation in Java (Multi-threading, JVM, Collections), with a solid understanding of the
Spring Boot / Spring Cloud
ecosystem.
Database Expertise:
Proficient in SQL and MySQL index optimization; familiar with caching technologies like
Redis
.
Computer Science Fundamentals:
Solid understanding of data structures, algorithms, and networking protocols (TCP/IP,
Bonus Points (Let us know if you have these)
AI Enthusiasm:
Familiar with
LangChain
,
Prompt Engineering
, or experience integrating OpenAI/Anthropic APIs.
FinTech/Trading Background:
A strong interest or practical experience in
Blockchain
,
C2C trading
, or payment settlement processes.
Middleware:
Understanding of message queues (
RocketMQ/Kafka
) or distributed transaction handling.
Soft Skills
Curiosity:
A strong desire to explore new technologies and the ability to quickly master unfamiliar fields.
Responsibility:
A rigorous coding habit and a sense of "awe" toward production environments when dealing with financial transactions.
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