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 fast-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.
- Strong understanding of:
1. Rooting (Android) and Jailbrea