· Fintech
Implementing Peer-to-Peer (P2P) Payments: A Technical Deep Dive into Ledger Systems
P2P payment systems look deceptively simple from the outside - send money from one person to another, done. The actual engineering, once you dig into the…
Writing
Insights
How we build things - and why. Architecture decisions, what went wrong, and the reasoning behind the choices we make on client projects.
Articles
· Fintech
Fraud Detection with Machine Learning: Real-Time Pattern Recognition in Transactions
Fraud detection is one of those features where the naive version - a fixed set of rules (“flag any transaction over ₹50,000 from a new device”)…
· Fintech
Open Banking API Architecture: Bridging the Gap between Financial Institutions and Apps
Open banking in India has moved faster on the regulatory side (the Account Aggregator framework, UPI’s continued expansion) than a lot of product teams’ actual architecture…
· Fintech
PCI-DSS Compliance for Developers: Building Secure Payment Pipelines
PCI-DSS compliance gets treated by a lot of engineering teams as a paperwork exercise handled by whoever fills out the self-assessment questionnaire, rather than a set…
· Data and Databases
Real-Time Analytics with ClickHouse: Processing Billions of Rows in Milliseconds
The moment an analytics dashboard that used to load instantly starts taking ten, twenty, thirty seconds to render is usually the moment a team realizes their…
· Security
Database Security: Implementing Row-Level Encryption and Secret Vaulting
Database encryption gets treated as done once TLS is enabled on the connection and disk-level encryption is turned on at the infrastructure layer. Both are genuinely…
· Data and Databases
NoSQL vs. SQL: Choosing the Right Data Store for Your Modern SaaS Vertical
“NoSQL is more scalable” was true enough a decade ago to become conventional wisdom, and conventional wisdom has a way of outliving the conditions that made…
· Data and Databases
Scaling MySQL for Millions: Sharding and Read-Replicas for High-Growth Apps
“We should switch to a different database” is one of the most common overreactions we see when a MySQL-backed application starts struggling under real growth. Nine…
· Architecture
Resilient System Design: Implementing Circuit Breakers and Retries
Most production incidents we’ve reviewed after the fact weren’t caused by one service failing - they were caused by one service failing and every other service…
· Architecture
Serverless vs. Microservices: When to Shift Your Architectural Paradigm
Microservices became the default “serious engineering” answer for so long that we regularly meet early-stage teams who’ve adopted them without a clear reason beyond “that’s what…
· Architecture
Clean Architecture in Laravel: Decoupling Business Logic from the Framework
Laravel makes it genuinely easy to write bad architecture fast - Eloquent models with business logic scattered directly in controllers, fat models doing everything from validation…
· Architecture
Event-Driven Architecture: Building Reactive Systems for Real-Time Data
Most systems that call themselves “event-driven” are actually just using a message queue as a slightly more resilient version of a synchronous API call - publish…
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