Senior Java Backend Engineer — Asset & Earn

OKX · Hong Kong, Hong Kong SAR; Singapore, Singapore · 2 months ago

Seniority: Senior
Category: Backend
Experience: 3+ years
Visa sponsorship: Yes
Company size: 1000+

ai api blockchain claude-code cloud java kafka kubernetes linux microservices

Who We Are

At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom.

OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves.

Across our multiple offices globally, we are united by our core principles: We Before Me, Do the Right Thing, and Get Things Done. These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er.

OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more.

About The Opportunity

The Asset & Earn Team 2 is responsible for building and scaling next-generation earn and lending solutions at one of the world's largest crypto exchanges. As a developer on this team, you will work on Simple Earn, Flash Earn (including Jumpstart), Loan products, and Stablecoin Yield features — powering millions of users' passive income journeys in the crypto ecosystem.

What You'll Be Doing:

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

What We Look For In You:

Proficient in AI-assisted development tools such as Codex and Claude Code — mandatory requirement to boost engineering productivity and iteration speed
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, with experience in high-concurrency, high-availability, and high-performance systems
Familiarity with mainstream messaging frameworks such as Kafka and caching solutions like Redis
Experience with Kubernetes (K8s) 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

Business Domain Experience (At least one of the following three is required):

Earn & Loan: Hands-on experience building earn or loan products, with understanding of interest accrual, risk control, and liquidity management
Stablecoin Yield: Familiarity with stablecoin mechanics (USDT, USDC) and experience developing yield distribution or settlement systems
Subscription & Allocation Systems: Experience building token launch, quota allocation, or subscription systems (e.g. Jumpstart-style products)

Perks & Benefits

Competitive total compensation package

L&D programs and education subsidy for employees' growth and development

Various team building programs and company events

Wellness and meal allowances

Comprehensive healthcare schemes for employees and dependants

More that we love to tell you along the process!

Senior Java Backend Engineer — Asset & Earn

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