Tag: #fintech
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 6 posts
6 posts are tagged #fintech; the most recent was published on 2026-07-03.
Often tagged together: #core-banking 2 #lending 2 #payments 2 #adyen 1 #architecture 1
Most read in the last 90 days:
Payment Systems 101: Flow, PSPs, Card Networks, Settlement
What actually happens when you press the pay button, from an engineer's point of view. The difference between authorization, capture, and settlement; the five players (merchant, PSP/gateway, acquirer, card network, issue
2026-07-03 · 13 min read #payments#fintech#systemsLending Systems and the LOS — Architecture from Loan Application to Disbursement
A deep dive into the overall architecture of lending systems at banks, card issuers, and capital companies, centered on the LOS (Loan Origination System). We walk through the pipeline from application to underwriting, ap
2026-06-13 · 19 min read #lending#los#loan-origination#core-banking#fintechLoan Servicing Systems — The Data Flow of Delinquency, Provisions, and NPL ♪ Listenable
A tour of the world after loan disbursement. We cover repayment schedule generation (equal installment, equal principal, bullet), payment and prepayment processing, delinquency bucket transitions and overdue interest cal
2026-06-13 · 26 min read #lending#loan-servicing#delinquency#npl#ifrs9Designing a Credit Scoring System (CSS) — From Scorecards to ML Underwriting
A deep dive into the CSS (Credit Scoring System), the brain of loan underwriting. We cover application vs behavior scores, WoE/IV-based scorecard development, the regulatory comparison between logistic regression and ML
2026-06-13 · 16 min read #credit-scoring#css#risk-management#machine-learning#scorecardSecurities MTS/HTS Developer: Exchange Protocols to Microsecond Latency ♪ Listenable
A practitioner-tone career deep-dive for securities MTS/HTS developers, covering exchange protocols (FIX/ITCH/Arrowhead), Smart Order Router design, latency budgets, security, and the KR/JP/global IT landscape.
2026-05-27 · 15 min read #finance-career#securities-it#mts-hts-developer#trading-system#fintechPayment APIs & Developer Fintech 2026 — Stripe / Adyen / Toss Payments / PortOne / Square / Mollie / Lago Deep Dive ♪ Listenable
A comprehensive 2026 snapshot of the global, Korean, and Japanese payment API ecosystem. Stripe (still the leader), Adyen (European enterprise), Toss Payments / PortOne / KCP / Inicis (Korea), Square / Cash App, Razorpay
2026-05-16 · 23 min read #payments#fintech#stripe#adyen#toss-payments