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Backend Developer

Summary

Build and optimize a real-time risk-control engine for a fintech company, writing Go/Python services that ingest, clean, and score transactions while detecting fraud.

Backend Engineer - Risk Control System

Job Responsibilities: Responsible for the design, development, and optimization of the company's risk control system to achieve efficient and stable risk monitoring and prevention mechanisms. Participate in building a real-time risk control engine, including the development of risk control rules, model calculations, anti-fraud detection, and other functionalities. Design and optimize data collection, cleaning, and computation processes to enhance data processing capabilities. Develop risk control strategy management tools based on business needs to improve the flexibility and adjustability of risk control strategies. Continuously monitor system performance, optimize system efficiency, and ensure high availability and low latency.

Job Requirements: Bachelor's degree or higher in Computer Science, Software Engineering, Mathematics, Statistics, FinTech, or related fields. At least 1 year of backend development experience; experience in risk control systems, payment systems, or anti-fraud systems is preferred. Proficient in at least one backend programming language (e.g., Go, Python) with strong coding practices. Familiar with middleware such as MySQL, Kafka, Redis, and Elasticsearch. Strong teamwork, logical thinking, and problem-solving skills, with the ability to drive cross-department collaboration efficiently.

Preferred Qualifications (Bonus Points): Experience in developing risk control systems related to

banking, or internet finance . Hands-on experience with

big data or stream processing systems

(e.g., Kafka, Flink, Spark, Hadoop). Practical experience in

machine learning or statistical analysis , with familiarity in

risk control rule engines

and

real-time computation

technologies. Experience in

risk control strategy design

and

data modeling , with the ability to support business teams in formulating risk control strategies. Experience in

high-concurrency systems , with knowledge of

distributed architectures

and

stream computing .

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