Sanesh Shashidharan
Senior Software Engineer at EPAM Systems | Frontend Specialist (Angular, React) | Experience with Global Clients: Mastercard, Verifone, Avis
- Role
- Senior Software Engineer at EPAM Systems
- Location
- Mumbai, MH, IN
- LinkedIn followers
- 500 followers
About Sanesh Shashidharan
Senior Software Engineer with 9+ years of experience delivering high-performance…
Experience
Senior Software Engineer
Jul 2021 — Present
Senior Software Engineer# Client: Mastercard – Payment Gateway Team# EPAM Systems# Overview:Contributed to building secure, performant, and user-friendly payment interfaces using iframe-based architectures to protect sensitive data during online transactions.# Key Responsibilities- Developed complex UI components using Angular (v11–19), TypeScript, and HTML/CSS, focusing on modularity and scalability- Integrated iframe-based payment flows to isolate card input fields, aligning with Mastercard\'s hosted session model.# Strengthened iframe security using- HTTPS enforcement, CSP frame-ancestors, and X-Frame-Options- sandbox attributes to restrict iframe behavior- Whitelisting trusted domains for embedded content- Supported 3-D Secure flows, managing user challenge prompts via secure iframe containers- Tuned performance with lazy loading, code splitting, and minimal load impact from embedded content.Led code reviews, build releases, and mentored junior developers on secure UI practices and Angular standards.
Education
St.Xaviers High School
School
1997 — 2009
St. Francis Institute Of Technology
Engineer's Degree
2012 — 2015
Thakur Polytechnic
Diploma in Electronic Engineering
2009 — 2012
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