Senior Product Security Engineer

About Us

slice the way you bank

slice's purpose is to make the world better at using money and time, with a major focus on building the best consumer experience for your money. We've all felt how slow, confusing, and complicated banking can be. So, we're reimagining it. We're building every product from scratch to be fast, transparent, and feel good, because we believe that the best products transcend demographics, like how great music touches most of us.

Our cornerstone products and services: slice savings account, slice UPI credit card, slice UPI, slice UPI ATMs, slice fixed deposits, slice borrow, and UPI-powered bank branch are designed to be simple, rewarding, and completely in your control. At slice, you'll get to build things you'd use yourself and shape the future of banking in India. We tailor our working experience with the belief that the present moment is the only real thing in life. And we have harmony in the present the most when we feel happy and successful together.

We're backed by some of the world's leading investors, including Tiger Global, Insight Partners, Advent International, Blume Ventures, and Gunosy Capital.

About the role

As a Senior Product Security Engineer at slice, you'll contribute technically to advance the Cyber Security program at slice and help the company in making the application and the infrastructure secure as per the industry standards. You will anticipate and identify risks and share any issues with senior members of the team. The ideal candidate is a motivated individual who has exceptional interpersonal skills and the ability to interact proactively with employees and leadership at all levels. The person in this role will need to be highly organized and able to thrive in a fast-paced environment.

What You'll Do:

• Perform comprehensive security assessments for Android/iOS mobile applications, web applications, and backend APIs using modern tools and techniques.
• Conduct penetration testing, reverse engineering, and vulnerability research leveraging tools like MobSF, Frida, Burp Suite, Ghidra, and Objection.
• Identify and remediate vulnerabilities aligned with industry standards such as OWASP Mobile and Web Top 10.
• Collaborate closely with engineering and product teams to build secure features and integrate security testing into CI/CD pipelines.
• Develop and maintain automation scripts for continuous security validation.
• Research and defend against emerging threats, zero-day vulnerabilities, and implement runtime protection mechanisms.
• Engage in triaging and resolving issues from bug bounty programs and security audits.

What We're Looking For:

• 3–5 years' experience in mobile and web application security.
• Strong hands-on experience with tools like Frida, MobSF, Burp Suite, JADX, Ghidra, and Hopper.
• Experience with reverse engineering and code obfuscation analysis to identify and mitigate advanced threats.
• Deep understanding of mobile platform security (Android/iOS), web technologies (React, Node.js, etc.), and API security.
• Proficiency in one or more programming languages such as Python, Java, Kotlin, Swift, or JavaScript.
• Solid grasp of authentication and authorization protocols: OAuth 2.0, OIDC, JWT, certificate pinning.
• Experience with SAST, DAST, IAST, and integrating security in CI/CD pipelines.
• Knowledge of cloud security concepts and API gateway security is a plus.
• Excellent problem-solving skills and the ability to communicate technical findings clearly.

Life at slice

Life so good, you'd think we're kidding:

• Competitive salaries. Period.
• An extensive medical insurance that looks out for our employees & their dependents. We'll love you and take care of you, our promise.
• Flexible working hours. Just don't call us at 3AM, we like our sleep schedule.
• Tailored vacation & leave policies so that you enjoy every important moment in your life.
• A reward system that celebrates hard work and milestones throughout the year. Expect a gift coming your way anytime you kill it here.
• Learning and upskilling opportunities. Seriously, not kidding.
• Good food, games, and a cool office to make you feel like home. An environment so good, you'll forget the term "colleagues can't be your friends".