Sr. Exploit Developer

Vuln Check is transforming vulnerability intelligence by helping security teams act faster and with more confidence. Our platform delivers early, high-quality exploit intelligence, deep asset correlation, and contextual insights to help organizations stay ahead of emerging threats.

Vuln Check is looking for a Senior Exploit Developer with a background in reverse engineering and exploit development. This role is on our Initial Access Intelligence team, which delivers exploits and related artifacts designed to give Vuln Check customers visibility into exploitation from exposure through execution and detection. You’ll work with a seasoned team of hackers and threat researchers to help global enterprises, governments, and intelligence firms defend against emerging threats and get ahead of the attacker curve.

While initial access vulnerabilities are our main focus area, you’ll also have the opportunity to work on a variety of local and other exploits, as well as our open‑source go‑exploit framework. This is a 100% remote role but we're primarily looking for candidates in Cheltenham, United Kingdom.

Vuln Check stands behind its mission to influence how organizations worldwide understand, assess, and remediate security vulnerabilities – and to deliver intelligence‑based solutions that change the world.

You’ll be joining a collaborative, supportive environment that values intellectual curiosity, technical mastery, and personal growth. (And more – below)

• Leverage your expertise:
  Work on cutting‑edge threat intelligence initiatives that matter, alongside the top domain experts in the field.
• Shape the industry:
  Influence how vulnerabilities are classified, scored, mapped, and remediated at scale for enterprise customers and for the entire cybersecurity industry.
• Grow your impact:
  Collaborate with global partners, lead high‑visibility projects, and drive standards across the security community.
• Innovate and explore:
  Conduct research and develop tools for automating and improving vulnerability enrichment and mapping.

• Reverse engineer software to discover the root cause analysis (RCA) of vulnerabilities.
• Author original software exploits for initial access vulnerabilities when little or no publicly available proof of concept code exists.
• Implement detections (such as Suricata & Snort signatures, YARA rules, etc.) to identify such initial access vulnerabilities being exploited on the wire.
• Write Attack Surface Management (ASM) queries (e.g., Shodan, Census, FOFA, Zoom Eye) to find vulnerable systems likely to be targeted.

• Prior experience writing exploit code for RCE / initial access vulnerabilities that do not require authentication to exploit.
• Experience working on technical projects remotely, independently, and on small teams.

• Prior cybersecurity work experience at a vendor or in government.
• Able to share example exploit code written.

* IMPORTANT NOTE:

This position may involve access to technology subject to U.S. export control regulations. Employment is contingent upon the company's ability to authorize access under applicable export control, sanctions, and any other applicable legal or contractual requirements. The company does not guarantee and is under no obligation to seek such authorization if it would be necessary.

We believe people do their best work when they feel supported, trusted, and valued. Vuln Check offers benefits designed to meet a wide range of needs and lifestyles.

• Competitive salary with employee equity program
• Health, dental, and vision coverage
• Unlimited PTO
• Pension contribution
• Remote friendly environment with flexibility
• Expense reimbursement for home internet and phone
• Ongoing professional development, coaching, and learning resources
• Opportunities for career advancement within a fast‑growing team

Built on over two decades of cybersecurity experience, our team of experts understands the intricacies of vulnerabilities, their exploitation in the wild, and how to leverage this data to build more effective cybersecurity products that produce better outcomes for organizations.

Vuln Check…