Blockchain.com

Senior Product Security Engineer

Blockchain.com · London

Posted about 3 months ago

or apply directly on Blockchain.com's site. We never take the application ourselves.

Is this posting real?

This role has been open
82 days
Blockchain.com's roles stay open a median of 83 days
Reposted
No
Salary listed
No
0% of Blockchain.com's roles list one
Ghost-job risk at Blockchain.com
high
45 stale, 1 reposted of 45 open
Hiring momentum
48 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-25

Measured from postings appearing on and disappearing from Blockchain.com's own greenhouse board since 2026-08-03. Full hiring picture for Blockchain.com.

About this role

As a Product Security Engineer at Blockchain, you will manage the Product Security program for various product lines, ensuring security is integrated from the design phase through to deployment. Your role involves leading threat modeling, conducting code reviews, and overseeing security automation processes, while collaborating closely with product and engineering teams to enhance security practices and address vulnerabilities.

Our read on this posting3.0out of 5
benefits
4/5
freshness
1/5
career value
5/5
role clarity
5/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Blockchain.com as an employer.

What you need

  • 4+ years total security engineering experience with at least 3+ years focused specifically in application/product security or equivalent.
  • Experience with Web, Mobile, Cloud, Infrastructure Pentests and Red Teaming (e.g., phishing)
  • Proven track record of shipping security automation using CodeQL/GHAS, Snyk, or similar.
  • Expert-level ability to audit and propose fixes in Kotlin/Java, TypeScript/JS, Python, and familiarity with containerised deployments (Kubernetes).
  • Strong threat modeling experience and pragmatic architecture guidance for high-stakes financial flows (AuthN/AuthZ, Cryptography, Payments).
  • Experience building CI checks, test harnesses and lightweight fuzzing/property tests.

Nice to have

  • Prior fintech/Trading/OTC product security experience or familiarity with custody/signing patterns.
  • Practical experience designing or deploying AI-assisted security tooling, leveraging LLMs for automated software patch generation, or evaluating vulnerability detection agents within enterprise developer pipelines.
  • Prior experience operating alongside GRC frameworks, authoring developer-facing security policies from scratch, and building automated policy-as-code gateway integrations.
  • Public track record of CVEs, security research, or open-source contributions to security tooling.
  • Advanced credentials such as OSCP, OSWE, CISSP or equivalent.

What you get

  • Full-time salary based on experience and meaningful equity in an industry-leading company
  • Mandatory in-office presence four days per week
  • Work from Anywhere Policy: remote work for up to 20 days per year
  • ClassPass
  • Unlimited vacation policy; work hard and take time when you need it
  • Apple equipment

Worth weighing

  • No salary listed
  • Mandatory in-office presence four days per week may limit flexibility for some candidates
  • Role involves significant hands-on technical work, which may not suit those looking for a purely strategic position

Summarised from Blockchain.com's posting. Read the full original.

Listed by Blockchain.com on their greenhouse job board, last confirmed open on 2026-10-25. PitchMeAI is not the employer.

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