Senior Java Backend Engineer for Crypto Earn & Lending

United States Digital Space LLC; Hong Kong; On-site; HKD 450,000 - 850,000; Full time

Job summary

OKG Group is seeking a backend-focused engineer to design and implement high-performance services for earn, loan, and stablecoin yield features within a leading crypto exchange ecosystem. You will work closely with product, design, risk, and quantitative teams to deliver scalable solutions.

Requirements include 3+ years in backend development, proficiency with Java/SpringBoot/SpringCloud, and strong knowledge of concurrency, distributed systems, and cloud-native tooling.

Qualifications

• 3+ years backend development in finance or related fields.
• Experience with Java/SpringBoot/SpringCloud.
• Understanding of multi-threading and high-concurrency systems.
• Familiar with Kafka and Redis for messaging/cache.
• Kubernetes for container orchestration.
• Relational databases such as MySQL.
• English and Mandarin fluency.

Responsibilities

• Design and develop backend services for Earn/Loan products.
• Build Jumpstart subscription/allocation system for token launches.
• Implement backend for stablecoin yield distribution and settlement.
• Collaborate with Product, Design, Risk, Quant teams.
• Provide on-call production support and incident response.

Skills

Java

SpringBoot

SpringCloud

Concurrency

Distributed systems

Kubernetes

Kafka

Redis

MySQL

English & Mandarin

Tools

Kubernetes

Kafka

Redis

MySQL

Job description

OKG Group is seeking a backend-focused engineer to design and implement high-performance services for earn, loan, and stablecoin yield features within a leading crypto exchange ecosystem. You will work closely with product, design, risk, and quantitative teams to deliver scalable solutions.

Requirements include 3+ years in backend development, proficiency with Java/SpringBoot/SpringCloud, and strong knowledge of concurrency, distributed systems, and cloud-native tooling.