Tag: #finance
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 88 posts
Financial-Grade Kubernetes Platforms — Making Regulation and Cloud Native Coexist
How to design and operate a Kubernetes platform under financial regulations such as network segregation and electronic finance supervision rules. Covers multi-tenancy isolation criteria, Kyverno policy gates, audit trail
2026-06-13 · 20 min read #kubernetes#finance#security#compliance#multi-tenancyOpen Banking and MyData API Architecture — The Technology of Financial Data Openness
The API architecture of Korean open banking shared network and MyData (personal credit information management). We cover standard API specs and auth tokens, comparison with UK Open Banking and the FAPI security profile,
2026-06-13 · 16 min read #finance#open-banking#mydata#api#oauth2ISO 20022 and SWIFT — The Great Migration of Financial Messaging Standards
From telex to SWIFT MT to ISO 20022 MX — the history and structure of financial messaging. We cover the pacs/pain/camt message families, field mapping between MT103 and pacs.008, the CBPR+ migration, message transformati
2026-06-13 · 15 min read #iso20022#swift#payments#financial-messaging#xmlDesigning a Deposit Interest Calculation Engine — From Day-Count Math to Preferential Rates
A practitioner-oriented design of a deposit interest calculation engine. We cover day-count conventions and their traps, simple and compound interest implementations, a preferential rate rule engine, withholding tax, rat
2026-06-13 · 18 min read #interest#core-banking#deposit#bigdecimal#bankingBank Deposit System Architecture — Dissecting the Heart of Core Banking
A deep dive into the deposit system at the heart of core banking. We cover account ledger design, deposit and withdrawal transaction processing, concurrency control, and how end-of-day closing coexists with 24x7 operatio
2026-06-13 · 19 min read #core-banking#deposit#ledger#architecture#bankingTrading Back Office and Settlement Systems — The Data Journey Across Front, Middle, and Back
Follow a single trade through its full data journey from order to execution, clearing, and settlement. We map FO/MO/BO systems, position and PnL management, confirmation and reconciliation, DVP settlement, Korean market
2026-06-13 · 17 min read #back-office#settlement#trading#capital-markets#reconciliationBatch and End-of-Day Processing in Banking — The Architecture That Rules the Night
Why batch processing remains central in banking and the full picture of end-of-day (EOD) processing. We cover job schedulers and dependency DAGs, checkpoint restarts, partitioning and chunk processing, center-cut and dat
2026-06-13 · 18 min read #finance#batch#eod#spring-batch#schedulerCore Banking Modernization Strategy — From Mainframe to Cloud Native
A comparative analysis of strategies for modernizing legacy core banking. We cover big-bang rebuilds versus incremental strangler patterns, core decomposition, the cloud-native core banking wave, the Korean regulatory en
2026-06-13 · 23 min read #core-banking#modernization#cloud#mainframe#migrationInvestment Banking Systems Architecture — From Deal Pipeline to Syndication
A systems-eye dissection of the investment banking domain. We cover deal pipelines, conflict checks, the technical implementation of Chinese walls, bookbuilding and allocation logic, syndicated loan administration, and M
2026-06-13 · 20 min read #investment-banking#capital-markets#system-design#compliance#workflowBanking Ledger Design — Double-Entry Bookkeeping, Event Sourcing, and Consistency Down to the Last Cent
How to design the ledger at the heart of a banking system. We cover double-entry principles, the journal and posting data model, balance computation strategies, event sourcing, hot-account concurrency control, idempotenc
2026-06-13 · 17 min read #finance#ledger#double-entry#event-sourcing#core-bankingPlatform Engineering in Banking — The Marriage of Backstage and Governance
What platform engineering offers in a banking environment where approvals and security procedures stretch lead times to weeks. Covers Backstage golden paths with regulatory requirements built in, Scaffolder actions wired
2026-06-13 · 16 min read #devops#platform-engineering#backstage#finance#governanceEconomics & Financial Literacy — Macroeconomics, Investment Principles, Asset Allocation, Retirement Planning
From fundamental economics to stock/bond/ETF investment principles, asset allocation strategies, tax optimization, and retirement planning. Everything you need to know about money.
2026-04-12 · 20 min read #culture#economics#finance#investment#retirementInterest Rates & Bonds Complete Guide for Developers: Fed 3.5%, BOK 2.5%, BOJ 0.75% Era Asset Strategy
Fed 3.5%, BOK 2.5%, BOJ 0.75% — a complete dissection of how interest rates impact tech salaries, stock compensation, real estate, and startup funding. From bond basics, yield curves, duration, Bond ETFs, I-Bonds, TIPS,
2026-03-22 · 25 min read #finance#bonds#interest-rates#investment#401kMarch 2025 Social & Economic Digest: What Every Developer Needs to Know About the World Right Now
Fed holds at 4.5%, Korea enters super-aged society, Trump tariffs slash $123B in consumer tech purchasing power, EU AI Act enforcement begins, global VC hits $425B — essential March 2025 news and financial tips for devel
2026-03-21 · 26 min read #economy#society#current-affairs#finance#real-estate[Deep RL] 08. Building a Stock Trading Agent with Reinforcement Learning
Define stock trading as a reinforcement learning problem, design a custom trading environment, and train trading agents using feedforward and CNN models.
2026-03-19 · 19 min read #reinforcement-learning#deep-learning#ai#financeComplete Guide to Korean Pension System: NPS, IRP, DC/DB Retirement Pension & ISA Strategy
A comprehensive guide to Korea's three-tier pension system covering NPS, DC/DB retirement pensions, IRP, and ISA. Learn contribution strategies, tax credit optimization, life-stage portfolio design, and Python retirement
2026-03-17 · 21 min read #pension#nps#irp#retirement#dcBuilding Real-time Financial Data Pipelines: A Practical Guide to Kafka and Flink Streaming Architecture
A comprehensive guide to designing and implementing real-time financial data pipelines. Covers Kafka-based market data ingestion, Flink stream processing, CDC integration, windowed aggregation, anomaly detection, and low
2026-03-13 · 14 min read #finance#kafka#flink#streaming#data-pipelineAlgorithmic Trading Backtesting in Practice: Python Backtrader Strategy Implementation, Performance Evaluation, and Risk Management
Covers the complete process of algorithmic trading backtesting with Python Backtrader. Explores backtesting fundamentals (Walk-Forward, Look-Ahead Bias, Survivorship Bias), Backtrader architecture, SMA crossover/RSI/Boll
2026-03-12 · 15 min read #finance#algorithmic-trading#backtesting#backtrader#pythonQuantitative Risk Management: VaR, CVaR, and Portfolio Risk
A comprehensive guide to quantitative risk management using VaR, CVaR, and portfolio risk analysis with Python implementation.
2026-03-12 · 32 min read #finance#risk-management#var#cvar#portfolioPython Algorithmic Trading Practical Guide: Backtesting Frameworks, Strategy Development, and Risk Management
A comprehensive guide to algorithmic trading with Python. Covers backtesting framework comparison, Moving Average Crossover, RSI Mean Reversion, and Bollinger Bands strategy implementation, risk metrics like Sharpe Ratio
2026-03-11 · 15 min read #finance#algorithmic-trading#backtesting#python#quantitative-finance