About
I explore how to build intelligent, secure, and reliable software systems.
Two decades in engineering taught me this: trust isn’t a feature – it’s an architecture.
Here I share practical patterns and principles for systems that must work every time.
~ Mohan Sankaran
Recent insights into modern tech development
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Designing for Failure: What Mobile Payments Taught Me About Resilience
~ Mohan Sankaran. From uptime to understanding Every engineer remembers their first outage. The dashboards turn red, the logs flood, and for a few tense minutes, code becomes chaos. It’s the moment you stop…
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Building Observability Pipelines for Mobile Transactions
~ Mohan Sankaran. From logs to insight By 2018, mobile payments weren’t new anymore – but understanding them at scale still was. Billions of micro-interactions flowed through SDKs and gateways every day, each one…
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The Human Side of Machine Learning in Financial Trust
~ Mohan Sankaran. From models to meaning By 2017, machine learning had firmly entered the world of financial risk management. Models were helping banks detect anomalies, score transactions, and make split-second decisions that once…
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Integrating Behavioral Biometrics into Mobile Risk Engines
~ Mohan Sankaran. From rules to patterns By 2017, fraud detection was running out of room to grow on rules alone. Static lists, regex filters, and velocity checks could stop yesterday’s attacks but missed…
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Invisible Security: Why the Best Protection Is What Users Never Notice
~ Mohan Sankaran. From walls to experiences For years, online security was a wall-tall passwords, one-time codes, and challenge questions at every corner. It kept bad actors out, but it exhausted everyone else. By…
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Designing Multi-Tenant SDKs for Global Wallets and Issuers
~ Mohan Sankaran. From app to platform When wallets went global, SDKs stopped being utility jars and became the product. One artifact now had to serve banks, processors, and markets with different regulations and…
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Goodbye Magnetic Stripe: How Software-Defined Security Redefined Trust
~ Mohan Sankaran. When the magnetic stripe finally began to fade into history, it marked more than a technical upgrade-it was a cultural reset for how the world thought about digital trust. Payments were…
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Inside the Tokenization Stack: Building Secure Mobile Payment Frameworks for the EMV Era
~ Mohan Sankaran. The shift to tokens The move from plastic cards to digital credentials didn’t just change how we pay; it changed what we trust. In the older model, the real card number…