HCHarshal Charadvainharshalnotes.hashnode.dev·2d ago · 5 min readUnderstanding Modern Settlement SystemsObjective The focus of this series is to explore the domain concepts, distributed systems design, operational reliability, financial workflows, and engineering tradeoffs involved in settlement infrast00
HCHarshal Charadvainharshalnotes.hashnode.dev·2d ago · 6 min readSettlement Lifecycle — From Payment Capture to Fund TransferIntroduction In the previous article, we established the terminology used throughout settlement systems. In this article, we will follow the journey of a transaction from payment capture until funds r00
PTPug The Puginrealmarketapi.hashnode.dev·2d ago · 2 min readReal-Time XAUUSD Price Tracking Using Node.js and WebSocketsGold is one of the most actively traded assets in the world. Whether you're a trader, investor, or developer building financial applications, having access to real-time gold prices is essential. In th00
AAAli Asgarinaliasgarmkantawala.hashnode.dev·3d ago · 5 min readWhy Daily Transaction Volume is the Wrong Number to Quote in System Design InterviewsThe Mistake Most Candidates Make Picture this: You are in a system design interview. The interviewer asks you to design a ledger system or a payment settlement pipeline. Eager to show you can handle s00
AAArchitects Assembleinblog.syncyourcloud.io·3d ago · 7 min readAWS Cost Optimisation for UK Fintechs — Why Generic Advice Doesn't Work for Payment InfrastructureMost AWS cost optimisation guides ignore PCI-DSS scope, regulatory burst capacity, and payment-specific architecture constraints. Here's what UK fintechs actually need to know. Why Generic Cost Optimi00
AMArchit Mittalinautomate-archit.hashnode.dev·3d ago · 7 min readHow a Weekend Python Script Saved a CA Firm 209 Hours During ITR Season₹3,12,000. That's what Rajesh Sharma's CA firm in Jaipur spent every ITR season hiring three temporary data entry operators for two months. They'd sit in a back room extracting numbers from Form 16 PD00
AAArchitects Assembleinblog.syncyourcloud.io·4d ago · 8 min readWhat Is Your AWS Payment Infrastructure Actually Costing You? Most CTOs Underestimate by 40%Incident loss, security overhead, AWS waste, and operational toil — four costs most funded fintechs aren't measuring. Here's how to model all four. At some point in the next board meeting, investor up00
Mmanny07inbeyondaihype.hashnode.dev·4d ago · 6 min readFraud and AML teams that still operate as two separate systems are already behindI've spent the last few weeks going down a rabbit hole on fintech compliance architecture ,partly for work, partly because the more I read, the more convinced I became that most companies are solving 00
ITinfosprint technologiesincoboltojavamigrationinbanking.hashnode.dev·6d ago · 5 min readWhy Generative AI Can’t Safely Translate COBOL to Java Alone (And the Hybrid Fix) AI translated 30 years of COBOL in weeks. The first production transaction corrupted the database. The generative AI migration was supposed to be a success story. The code compiled. The automated test00
AAArchitects Assembleinblog.syncyourcloud.io·6d ago · 7 min readYour Payment Latency Is Costing You Merchants — How to Know Before They Tell YouMost fintechs don't know their end-to-end payment performance until a merchant complains. By then the conversation is already about churn, not optimisation. The Merchant Conversation You Don't Want to00
