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ENGINEERING / GLOBAL REMOTE

Security Engineer

Make security part of how Wallion is built. You will examine the paths from user intent to signatures, connected services and agent permissions, then turn findings into concrete safeguards.

Full-time · Experienced, independent contributorLet’s talk

YOUR FIRST CHAPTER

What progress looks like

  • Create a prioritized threat model covering key handling, recovery, transactions and agents.
  • Put repeatable checks around the highest-impact signing and permission boundaries.
  • Prepare clear assessment scopes, remediation tracking and incident response procedures.

THE WORK

What you’ll own

  • Review key-management boundaries, transaction authorization and external integrations.
  • Test agent wallet policies, allowance handling and revocation behavior against realistic threats.
  • Embed security checks into engineering workflows and help teams resolve findings.
  • Coordinate independent assessments and build a practical incident response process.

WHAT YOU BRING

Experience that matters.

  • Experience securing wallets, fintech systems, smart contracts or comparable sensitive products.
  • Practical knowledge of applied cryptography, authentication, threat modeling and exploit analysis.
  • Ability to turn a technical finding into a prioritized, verifiable engineering change.
  • Calm judgment under uncertainty and clear communication about residual risk.

SHOW US HOW YOU THINK

A little context goes a long way.

Describe a consequential security issue you found, how you established impact and how you verified the fix. Do not include confidential details.

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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YOUR NEXT CHAPTER

Let’s get to know you.

Security Engineer

Please do not include wallet credentials or confidential information.