RootstockLabs Ltd.

Senior Application Security Engineer

RootstockLabs Ltd. · Remote

Posted about a month ago

or apply directly on RootstockLabs Ltd.'s site. We never take the application ourselves.

Is this posting real?

This role has been open
42 days
RootstockLabs Ltd.'s roles stay open a median of 15 days
Reposted
No
Salary listed
No
0% of RootstockLabs Ltd.'s roles list one
Ghost-job risk at RootstockLabs Ltd.
moderate
2 stale, 0 reposted of 9 open
Hiring momentum
9 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-23

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

About this role

As an Application Security Engineer at RootstockLabs, you will focus on securing Bitcoin-backed DeFi infrastructure by conducting security reviews of code and smart contracts, managing a bug bounty program, and coordinating external security audits. You will also engage in threat modeling, build security automation, and support incident investigations related to application-layer issues.

Our read on this posting3.6out of 5
benefits
3/5
freshness
5/5
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 RootstockLabs Ltd. as an employer.

What you need

  • 3+ years of experience in Application Security or Security Engineering
  • Solid grasp of common vulnerability classes (OWASP Top 10) and secure code review in Java plus at least one of TypeScript/JavaScript, Python, Go, or Rust
  • Hands-on experience with blockchain security: smart contract auditing (Solidity/EVM) or protocol/node-level security
  • Experience building and operating security automation, AI-assisted workflows (LLM-based triage, code review, or scanning), SAST/DAST, dependency and secret scanning, and CI/CD security gates
  • Fluent English

Nice to have

  • Experience in bug bounty triage or vulnerability disclosure programs
  • Experience mitigating network-level attacks (p2p, eclipse, DoS) or analyzing consensus-level attack scenarios
  • Offensive security background (pentesting, red team, CTFs, exploit development)
  • Public security research: CVEs, bug bounty track record, audit reports, conference talks
  • Knowledge of C/C++ (for node/client codebases)

What you get

  • Competitive compensation package and unique benefits designed to support your growth and well-being
  • 100% Remote Work within a Central European to Argentinian time-zone window (UTC-3 to UTC+2)
  • Paid vacation and sick leave days
  • Access to training programs, language courses, and learning sponsorship annually
  • Work with cutting-edge blockchain technology in a global, diverse team

Worth weighing

  • No salary listed
  • Focus on blockchain security may limit exposure to other security domains
  • Remote work is limited to specific time zones (UTC-3 to UTC+2)

Summarised from RootstockLabs Ltd.'s posting. Read the full original.

Listed by RootstockLabs Ltd. on their greenhouse job board, last confirmed open on 2026-10-23. PitchMeAI is not the employer.

More roles at RootstockLabs Ltd.

All 9 open roles at RootstockLabs Ltd. →

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