Senior Java Backend Engineer — High-Performance FinTech

OKX; Hong Kong; On-site; HKD 900,000 - 1,200,000; Full time

Benefits offered by this job

Wellness benefits

Meal allowances

Healthcare coverage

Education subsidies

Job summary

OKX in Hong Kong is hiring a backend developer for the Asset & Earn Team. You will design and build high-availability services for Simple Earn, Flash Earn, and Loan products, helping millions of users earn passive income on the platform.

You will implement Jumpstart subscription and allocation systems, work on stablecoin yield distribution, and collaborate with Product, Design, Risk, and Quant teams to deliver innovative earn and lending features.

Qualifications

• Minimum 3 years of backend development experience in financial or related industries.
• Experience in Microservice/API development with Java / SpringBoot / SpringCloud.
• Strong understanding of multi-threading, concurrency control, and distributed system design.
• Familiarity with Kafka and Redis.
• Experience with Kubernetes for container orchestration and deployment.
• Solid experience with relational databases (MySQL or equivalent).
• Comfortable in a cloud-based Linux environment with production support capability.
• Basic understanding of finance concepts, particularly earn/deposit, lending/loan, and yield products.
• Fluency in English and Mandarin.

Responsibilities

• Design and develop high-performance, high-availability backend services for Simple Earn, Flash Earn, and Loan products
• Build and maintain the Jumpstart subscription and allocation system for new token launches
• Design and implement backend systems for stablecoin yield distribution and settlement
• Work closely with Product, Design, Risk, and Quant teams to deliver innovative earn and lending features
• Participate in on-call production support and incident response to ensure platform stability

Skills

Backend development

Multithreading

Distributed systems

AI tools usage

English & Mandarin

Tools

SpringBoot

SpringCloud

Kafka

Redis

Kubernetes

MySQL

Job description

OKX in Hong Kong is hiring a backend developer for the Asset & Earn Team. You will design and build high-availability services for Simple Earn, Flash Earn, and Loan products, helping millions of users earn passive income on the platform.

You will implement Jumpstart subscription and allocation systems, work on stablecoin yield distribution, and collaborate with Product, Design, Risk, and Quant teams to deliver innovative earn and lending features.