OKX

2 weeks ago

Senior/Staff Java Engineer - Web3 Wallet Defi Earn

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 1 hour agoStatus: Live

Job Summary

Build and optimize backend architecture for an on-chain aggregated investment platform supporting DeFi “Wallet Earn” and an AI Agent Marketplace. Own risk control and protocol integration capabilities, improve multi-chain asset/position parsing and real-time display, and drive core module development (Agent, Task, Order). Ensure stability, high availability, performance, security, and reliability through monitoring, observability, and production issue resolution across complex flows.

Location: Hong Kong, Singapore

Workplace: Onsite

Employment Type: Full time

Job Function: Administration & Executive Assistance

Seniority: Mid level

Key Responsibilities

•Design, build, and continuously optimize backend architecture for the Wallet Earn on-chain aggregated investment platform.
•Design and build an aggregated-investment risk control platform to ensure system stability, fund safety, and scalability.
•Improve protocol integration capabilities to raise onboarding efficiency and overall R&D velocity.
•Contribute to the multi-chain asset/position platform, expanding protocol support while keeping position data accurate and real-time.
•Ensure stability across core business flows and independently diagnose and resolve complex production issues, improving monitoring/observability and reliability.

Pay and Benefits

Perks:Health Insurance

Key Requirements

•Solid Java fundamentals with strong command of Spring Boot and Spring Cloud.
•Hands-on experience with middleware including MySQL, Redis, MQ, and RPC.
•Proven experience building high-concurrency, high-availability distributed systems.
•Familiarity with major DeFi protocols (e.g., Aave, Morpho, Pendle, Pancake) and smart contract fundamentals.
•Strong systems analysis and ability to independently own core-module design and resolve complex production issues.

Experience:Web3DeFiAI Agents

Skills:OwnershipAccountabilityCommunicationCollaborationProblem-solving

Tech Stack:JavaSpring BootSpring CloudMySQLRedisMQRPCEVMSolanaTronLLMsMCPFunction CallingA2AWorkflow systems

Company Brief

OKX

Global cryptocurrency exchange and Web3 technology provider offering spot and derivatives trading, custody, wallet services, and blockchain infrastructure to retail and institutional users worldwide.

Industry: Trading Platforms

Company Size: Enterprise (1,001+ employees)

Growth: Established Company

Headquarters: Victoria, Seychelles

Founded: 2017

Website LinkedIn

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