GreKai - Tips and Tricks in a world of Mix. Taking a product from ideation to market by making it simple for users and stakeholders as one. Management aspects of Scrum - the correct processes in the team, constant improvement, and growth. Technological obstacles and throughs about how to tackle and solve or avoid but succeed strategies. Gregory Kaidanov is talking - Linkedin - https://www.linkedin.com/in/kaidanov/ Blog - https://grekai.wordpress.com/ Facebook - https://www.facebook.com/set4u.biz
8
Podcast Authority
BetaPoorBased on show quality, social media presence, reviews, charts, and more
Quality4
Social0
YouTube0
Engagement27
Podcast Overview
GreKai - Tips and Tricks in a world of Mix. Taking a product from ideation to market by making it simple for users and stakeholders as one. Management aspects of Scrum - the correct processes in the team, constant improvement, and growth. Technological obstacles and throughs about how to tackle and solve or avoid but succeed strategies. Gregory Kaidanov is talking - Linkedin - https://www.linkedin.com/in/kaidanov/ Blog - https://grekai.wordpress.com/ Facebook - https://www.facebook.com/set4u.biz
Language
🇺🇲
Publishing Since
6/30/2021
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8
Podcast Authority
BetaPoorBased on show quality, social media presence, reviews, charts, and more
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Engagement27
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7 episodes over 3.5 years
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Recent Episodes
July 1, 2026
Modernizing Core Banking: Hybrid Cloud, AI Compliance, and Financial Engineering
<p><br></p><p>How do you bring a 100-year-old COBOL mainframe into the modern digital era while maintaining millisecond latency and strict data sovereignty? </p><p><br></p><p>In this episode, we strip away the theory and dive into the real-world technical blueprints and financial engineering required for digital transformation in legacy banking. We break down the exact architectural patterns, security models, and enterprise tool comparisons needed to modernize securely and cost-effectively.</p><p><br></p><p>In this episode, we dive deep into:</p><p><br></p><p>Modernizing Legacy Cores: Safely bridging modern cloud applications with COBOL mainframes using the Strangler Fig pattern and Anti-Corruption Layers.</p><p><br></p><p>Architecting for Scale & Resilience: Overcoming strict single-region availability limits for cloud deployments by leveraging the CQRS (Command Query Responsibility Segregation) pattern. We discuss using asynchronous write-paths to eliminate the latency bottlenecks that occur with synchronous mainframe trips, alongside local on-premises read-stores for disaster recovery.</p><p><br></p><p>VPC Security & AI Compliance: The strict network security model required to connect cloud-native AI to legacy mainframes, utilizing AWS PrivateLink, Private APIs, and Direct Connect VPNs to maintain absolute compliance perimeters.</p><p><br></p><p>Financial Engineering & Tool Selection: A hard cost-benefit analysis of enterprise tools to prevent budget overruns, including:</p><p>Cloud Databases: When to switch from Amazon Aurora Standard to Aurora I/O-Optimized (which can save you up to 40% if your I/O costs exceed 25% of your total database bill).</p><p>API Gateways: The trade-offs between usage-based gateways like Kong and predictable, developer-first alternatives like Zuplo.</p><p>Streaming & CDC: Evaluating the heavy operational overhead of open-source Debezium against the fully managed, sub-second latency capabilities of Striim.</p><p>AI Financial Agents: Contrasting per-token managed APIs like Amazon Bedrock with self-hosting open-source models inside your own secure VPC using platforms like TrueFoundry to achieve flat-rate compute economics and absolute data privacy.</p><p><br></p><p>Grab your headphones and join us for a masterclass in software architecture and FinOps!</p><p><br></p><p>Explore the full system design exercise, architectural decision matrices, and visual blueprints discussed in this episode in our project notebook: </p><p>[Digital Leap: Software Architecture Final Project]</p><p><br></p><p>https://notebooklm.google.com/notebook/0e2ec4bb-5e9d-4c6b-be3d-9b0c7b581427</p>
June 29, 2026
NeoBank - Hybrid Cloud Banking Blueprint - system design
<p>Here is a brief summary of what the new video will cover based on your requirements:</p><ul><ul><li><strong>Failovers & Disaster Recovery (DR):</strong> Strategies for mitigating single-region constraints by relying on active copies of the digital state in local on-premises read-stores (PostgreSQL/Redis), ensuring that if the cloud region goes down, your users can still access their data.</li></ul><ul><li><strong>AI Integration & Bank Approvals:</strong> How to securely connect the cloud-exclusive Amazon Bedrock AI agent with relational databases and the legacy mainframe using strict VPC boundaries and API Gateways. It will also touch on how to navigate the bank's strict compliance, data sovereignty, and product approval processes.</li></ul><ul><li><strong>DDD & The COBOL Bottleneck:</strong> Best practices for applying Domain-Driven Design (DDD). The video explores how an Anti-Corruption Layer (CBS Gateway) cleanly maps and divides modern event payloads from strict legacy formats, ensuring the fast-moving modern developers don't bottleneck the legacy COBOL programmers.</li></ul><ul><li><strong>CI/CD Pipeline Separation:</strong> Best practices for securely dividing your code progression across Dev, Pre-Prod, and Prod environments to ensure zero-downtime deployments and isolated testing.</li></ul><ul><li><strong>Costs, Licenses, & Resource Calculations:</strong> A deeper dive into the financial engineering of your alternatives. I also went ahead and calculated your developer resource burn rate for the 1-year MVP timeline: managing 60 modern Java/AWS developers alongside 5 legacy COBOL developers yields a total team of 65, which equates to exactly <strong>780 developer-months</strong> of effort over the year.</li><li>More resources :</li></ul></ul><p>https://notebooklm.google.com/notebook/0e2ec4bb-5e9d-4c6b-be3d-9b0c7b581427</p>
June 29, 2026
NeoBank's Digital Leap: Bridging COBOL Mainframes and the Hybrid Cloud
<p>What happens when a legacy bank needs to support 1 million digital users with millisecond latency, all while bound by strict GDPR rules and a 100-year-old COBOL mainframe?</p><p>In this episode, we dive deep into the technical and financial engineering behind the <strong>NeoBank Digital Leap MVP</strong>. We break down the exact architectural blueprints, critical decisions, and real-world costs required to modernize a highly regulated banking system in just one year.</p><p><strong>In this episode, we cover:</strong></p><ul><li><strong>The Legacy to Cloud Transition:</strong> How to safely integrate a legacy mainframe using an <strong>Anti-Corruption Layer</strong> and the <strong>Strangler Fig Pattern</strong>, isolating modern Java/AWS developers from legacy COBOL systems.</li><li><strong>Solving the Availability & Latency Paradox:</strong> Why achieving true 99.999% compute availability in a single GDPR-compliant cloud region is structurally impossible, and how implementing the <strong>CQRS pattern</strong> and an <strong>asynchronous write-path</strong> saves the day (and prevents latency bottlenecks).</li><li><strong>Financial Engineering & Tool Selection:</strong> It is not just about the code; it is about the cloud bill. We do a hard cost-comparison of enterprise tools:</li><li><strong>De-Risking the MVP Timeline:</strong> Why trying to build Kafka, Spark, EMR, Aurora, CDC, and distributed Sagas simultaneously is a recipe for disaster, and how a <strong>phased rollout</strong> strategy ensures the 1-year MVP launches on time.</li></ul><p>Grab your headphones and follow along as we explore the trade-offs, the sensitivity matrices, and the critical thinking required to bring a hybrid cloud banking architecture to life!</p><p>(Be sure to check out the accompanying architectural diagrams, decision matrices, and visual slide decks generated for this project in the visual version of this podcast!)</p><p><br></p><p>https://notebooklm.google.com/notebook/0e2ec4bb-5e9d-4c6b-be3d-9b0c7b581427</p><p><br></p><p></p>
14 total episodes available
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