Selvam Ramasamy
Senior Staff Software Engineer at Visa
Bengaluru, Karnataka, India
Summary
👤
Senior🎓
Top SchoolSelvam Ramasamy is a Senior Staff Software Engineer with two decades of experience delivering cloud-native, distributed systems and data engineering solutions, now driving Risk and Identity initiatives at Visa. He blends deep architectural expertise—backed by certifications in enterprise architecture, cloud, big data, and AWS ML—with hands-on delivery experience across Identity, analytics, and messaging platforms at Salesforce, SAP, OpenText, Oracle, and HP. Selvam has repeatedly improved performance and operational efficiency at scale, including a 30% product performance gain and automation that cut release-cycle manual work from seven days to one. He designed tenant-aware to tenant-agnostic identity sync services and novel WASM-based AuthN filters on Envoy, demonstrating an ability to apply emerging tech to hard security and isolation problems. Comfortable across the full lifecycle from requirements and architecture to optimized production services, he pairs mathematical training (BSc Mathematics, MCA, MPhil) with pragmatic engineering to solve complex integration and throughput challenges. Based in Bengaluru, he combines platform-level thinking with practical optimizations that materially improve observability, scalability, and developer productivity.
12 years of coding experience
21 years of employment as a software developer
Master of Philosophy - MPhil Computer Science, Master of Philosophy - MPhil Computer Science at Bharathiar UniversityBachelor's degree Mathematics, Bachelor's degree Mathematics at Madurai Kamaraj University
Tamil, English
Github Skills (25)
sms-messages10
bank9
android-application8
android-app8
sms8
kotlin7
linkedin6
android6
yahoo6
amazon5
facebook5
python4
data-structures4
questions-and-answers4
spark-api4
Programming languages (3)
Github contributions (5)
selvamselvam/vulnerability-service
Jan 2014 - May 2021
Contributions:5 commits, 2 pushes in 7 years 4 months
selvamselvam/expensetracker-android-application
Apr 2014 - May 2021
Expense Tracker is simple, easy to use Android application which use to track the expenses from Alert/SMS messages from the Banks. The user can enter customized expenses and configure the bank Alert/SMS message origination address
Contributions:5 commits, 2 PRs, 1 push in 7 years 2 months
sms-messagestrackerexpense-trackerconfigurecustomized
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