Own core wallet backend modules for address management,sync,transactions,gas,nonce.
Build transaction flows for transfers,approvals,swaps,cross-chain,DApp connections,signatures.
Integrate multi-chain support including EVM,Tron,Solana,Layer 2,and new asset standards.
What they want
Five to ten years Java backend experience with Spring Boot,Cloud,MyBatis or similar stacks.
Strong system design skills for high-concurrency,idempotency,caching,queues,and consistency.
Sound judgment on ambiguous problems,separating symptoms from root causes with business trade-offs.
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Nice to have
New public chain integration,asset standards,or cross-chain protocol experience preferred.
Familiarity with WalletConnect,DApp Browser,or signature-request handling workflows.
Knowledge of MPC,multisig,hardware wallets,or TEE-based key-security schemes.
Seoulstart's read
Work authorization
Not stated, verify with recruiter
Language beyond English
No language beyond English stated
This is Seoulstart's analysis of the public job description, not the employer's stated policy. Verify work-pass eligibility, language requirements, and remote allowances directly with the recruiter.
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