9fin
Financial Services
SeniorSecurityEngineer
Neural analysis suggests this role is
optimal for Senior candidates.
“Senior Security Engineer at 9fin. Skills: Application security, Cloud security, Data protection, AI security. Embed within product engineering team. Shape security of products”
What You'll Achieve.
Embed security into design; Identify and address risks; Security as enabler
Industry & Context.
Risk identification
What They're Looking For.
Must Have
Significant experience securing modern software, Experience securing modern applications, Understanding of secure software architecture, Understanding of threat modelling, Understanding of security engineering practices, Deep familiarity with cloud-native architectures, Deep familiarity with AWS security controls, Experience designing systems handling sensitive data, Experience designing systems handling confidential data, Experience designing systems handling regulated data, Comfortable reading production code, Comfortable reviewing production code, Comfortable writing production code, Familiar with security considerations of modern data stores, Pragmatic judgement, Ability to balance security needs, Ability to balance product needs, Ability to balance engineering needs, Ability to influence engineers, Ability to influence stakeholders
Nice to Have
Familiarisation with SOC2, Familiarisation with ISO 42001, Experience in Python, Experience in similar backend technologies
What You'll Do.
Embed within product engineering team
Shape security of products
Influence architecture decisions
Influence design decisions
Influence implementation decisions
Partner with Product Engineering
Partner with Platform Engineering
Partner with Information Security
Define appropriate controls
Build secure-by-default systems
Contribute technical guidance
Act as security advocate
Act as trusted advisor
How You'll Work.
Team & Collaboration
Product Engineering; Platform Engineering; Information Security
Full Job Description
About 9fin 9fin is the AI platform powering global debt markets — the world’s largest asset class at over $145 trillion. Debt markets are vast, global, and mission-critical, yet still run on fragmented data, PDFs, and manual workflows. 9fin replaces this broken infrastructure with a single platform that centralises proprietary credit data, deep analysis, and high-value workflows across global markets. Today, 9fin powers teams at 300+ blue-chip institutions worldwide, including global banks, asset managers, private equity firms, law firms, and advisors. The business is scaling at exceptional speed, with rapid expansion in the US and best-in-class retention driven by deep workflow adoption. We’re at a defining inflection point. With proven product-market fit and strong, global market pull, 9fin is accelerating toward becoming the category-defining platform for debt markets worldwide. THE OPPORTUNITY We’re looking for a Senior Product Security Engineer to join one of our software engineering teams and help shape the security of our products as we continue to scale. This role will be embedded within a team responsible for some of the most security-critical parts of the 9fin platform. The team works on the systems and controls that protect sensitive customer information, ensuring data is stored, accessed and processed securely throughout its lifecycle. You’ll work alongside product engineers day-to-day, participating in planning, design discussions, refinement sessions and technical decision-making. You’ll help the team make sound architectural decisions about how sensitive information is stored, processed and accessed, balancing security requirements with product and engineering goals. The team operates at the intersection of application security, cloud security, data protection and AI security. You’ll help shape how 9fin approaches challenges such as tenant isolation, access control, confidential data handling and the secure use of AI systems. While embedded within pro
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