# Senior Application Security Engineer at Consensys

- Company: Consensys
- What the company does: Consensys is a blockchain software company building the tools, infrastructure and research that power the new Era of Decentralized Finance, for a more secure and open economy. Backed by SoftBank VF.
- Company website: https://consensys.io/
- Type: Startups
- Level: Senior
- Location: UNITED STATES - Remote, EMEA - Remote
- Work setup: Remote
- Posted: 2026-03-30
- Apply by: 2026-10-08
- Apply: https://job-boards.greenhouse.io/consensys/jobs/7743627
- Page: https://www.1752.vc/careers/jobs/consensys-senior-application-security-engineer/

## About the role

MetaMask has experienced explosive user growth over the past year as a cryptographic key manager and web3 application development platform. As this user base continues to grow, an immense amount of trust is being placed in MetaMask as a tool that manages and wields their digital authority, controlling assets, identities and more. It is of highest importance to us that we keep our users as safe and secure as possible.

## What they're looking for

- 6+ years of experience building and securing software, including hands-on product or application security experience
- Experience securing modern backend systems, web applications, and APIs
- Experience performing threat modelling, security design reviews, and vulnerability assessment
- Experience securing JavaScript-based applications across web and/or mobile (Node.js, React, React Native preferred)
- Strong coding skills, with the ability to work directly with engineers to identify and fix vulnerabilities or build secure solutions
- Familiarity with Blockchain technology (particularly Ethereum), Decentralized Applications and crypto wallets

Tags: Office of the CSO