As a Senior Product Security Engineer at slice, you will play a key role in securing our mobile-first
fintech products and APIs. You will work closely with engineering and product teams to embed security into the entire product lifecycle and ensure our systems are resilient against real-world attacks.You will be responsible for identifying risks, driving secure design practices, and building scalable security solutions across applications and services. The ideal candidate is a self-driven security qualified who can operate independently, influence stakeholders, and thrive in a rapid-paced environment.
What you will do:
Conduct security assessments across mobile (Android/iOS), web applications, and APIs
Perform threat modeling and security architecture reviews for new and existing features
Identify and exploit business logic vulnerabilities, especially in fintech/payment flows
Perform secure code reviews across services (Java, Go, Node, Python)
Drive secure design practices in microservices-based architecture
Build and improve security automation in CI/CD pipelines
Perform mobile security testing, including reverse engineering and runtime analysis
Conduct CVE/zero-day impact analysis and drive remediation
Collaborate with developers to triage and fix vulnerabilities
Handle bug bounty submissions and external vulnerability reports
Monitor and triage alerts from security tools (SIEM, CSPM, DLP, etc.)
Provide security advisory and consultation to product and engineering teams
Support compliance requirements (PCI-DSS, ISO 27001, RBI guidelines)
What you will need:
5–7 years of experience in Product Security / Application Security
Strong expertise in Mobile Security (Android/iOS), API Security, and Web Security covering
OWASP Top 10 & Mobile Top 10
Hands-on experience with tools like Burp-Suite, Frida, Jadx, Apktool, Ghidra and other
application security tools.
Robust understanding of:
Rooting (Android) and Jailbrea