Senior Java Backend Engineer - High-Performance Crypto Earn

OKX; Hong Kong; On-site; HKD 600,000 - 900,000; Full time

Benefits offered by this job

Competitive total compensation package

L&D programs and education subsidy

Team building programs

Wellness and meal allowances

Comprehensive healthcare schemes

Job summary

OKX is seeking a backend developer to join the Asset & Earn Team 2. You will design and build high-performance backend services for Simple Earn, Flash Earn, and Loan products that power millions of users' passive income journeys in crypto.

Collaborating with Product, Design, Risk, and Quant teams, you will implement scalable microservices, manage Jumpstart subscription flows, and support production systems in a cloud-based Linux environment. Fluency in English and Mandarin is expected.

Qualifications

• Minimum 3 years of backend development experience in financial or related industries.
• Experience in Microservice/API development with Java / SpringBoot / SpringCloud.
• Fluency in English and Mandarin.

Responsibilities

• Design and develop high-performance backend services for 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

AI-assisted tools

Backend development

Java SpringBoot

Multi-threading

Kafka

Redis

Kubernetes

MySQL

Linux

Finance concepts

English

Mandarin

Job description

OKX is seeking a backend developer to join the Asset & Earn Team 2. You will design and build high-performance backend services for Simple Earn, Flash Earn, and Loan products that power millions of users' passive income journeys in crypto.

Collaborating with Product, Design, Risk, and Quant teams, you will implement scalable microservices, manage Jumpstart subscription flows, and support production systems in a cloud-based Linux environment. Fluency in English and Mandarin is expected.