ENGINEERING / GLOBAL REMOTE

Senior Blockchain Engineer

Make moving money across networks feel coherent. You will own the chain integrations and transaction lifecycle that turn a user’s intention into an understandable, verifiable action.

Full-time · Experienced, independent contributorLet’s talk ↗

YOUR FIRST CHAPTER

What progress looks like

Ship a chain integration with reliable balance discovery, fee estimation and transaction status.
Make signing requests readable enough for people to understand their financial effect.
Document failure cases, recovery paths and security assumptions for the core transaction flow.

THE WORK

What you’ll own

Build and maintain blockchain integrations, transaction construction, simulation and confirmation tracking.
Work with security engineering on key boundaries, signing policies and permissions.
Handle network congestion, reorgs, failed transactions and inconsistent RPC responses without hiding uncertainty.
Partner with mobile and product teams to explain fees, allowances and network requirements in the interface.

WHAT YOU BRING

Experience that matters.

Experience shipping production wallet infrastructure, chain integrations or financial transaction systems.
Deep understanding of EVM transactions, token standards, signatures and smart-contract interactions; familiarity with other networks is valuable.
A record of testing edge cases and responding to operational failures.
Clear written communication and ownership from design through operation.

SHOW US HOW YOU THINK

A little context goes a long way.

Tell us about a transaction or signing flow you shipped, a difficult failure mode and how you made it safer.

You do not need to use Wallion or connect a wallet to apply. Please share only work you have permission to discuss.

YOUR NEXT MOVE

Make it your work.

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