- 14
- Episodes
- 2021
- First episode
About GreKai on the Fly
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
- Publisher
- GreKai
- Category
- news
- Language
- en
- Explicit
- Yes
- First episode
- 30 Jun 2021
- Latest episode
- 1 Jul 2026
Latest episodes
14 episodes in the feed.
1 Jul 2026
Modernizing Core Banking: Hybrid Cloud, AI Compliance, and Financial Engineering
How do you bring a 100-year-old COBOL mainframe into the modern digital era while maintaining millisecond latency and strict data sovereignty? 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. In this episode, we dive deep into: Modernizing Legacy Cores: Safely bridging modern cloud applications with COBOL mainframes using the Strangler Fig pattern and Anti-Corruption Layers. 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. 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. Financial Engineering & Tool Selection: A hard cost-benefit analysis of enterprise tools to prevent budget overruns, including: 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). API Gateways: The trade-offs between usage-based gateways like Kong and predictable, developer-first alternatives like Zuplo. Streaming & CDC: Evaluating the heavy operational overhead of open-source Debezium against the fully managed, sub-second latency capabilities of Striim. 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. Grab your headphones and join us for a masterclass in software architecture and FinOps! Explore the full system design exercise, architectural decision matrices, and visual blueprints discussed in this episode in our project notebook: [Digital Leap: Software Architecture Final Project] https://notebooklm.google.com/notebook/0e2ec4bb-5e9d-4c6b-be3d-9b0c7b581427
29 Jun 2026
NeoBank - Hybrid Cloud Banking Blueprint - system design
Here is a brief summary of what the new video will cover based on your requirements: Failovers & Disaster Recovery (DR): 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. AI Integration & Bank Approvals: 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. DDD & The COBOL Bottleneck: 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. CI/CD Pipeline Separation: Best practices for securely dividing your code progression across Dev, Pre-Prod, and Prod environments to ensure zero-downtime deployments and isolated testing. Costs, Licenses, & Resource Calculations: 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 780 developer-months of effort over the year. More resources : https://notebooklm.google.com/notebook/0e2ec4bb-5e9d-4c6b-be3d-9b0c7b581427
29 Jun 2026
NeoBank's Digital Leap: Bridging COBOL Mainframes and the Hybrid Cloud
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? In this episode, we dive deep into the technical and financial engineering behind the NeoBank Digital Leap MVP. 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. In this episode, we cover: The Legacy to Cloud Transition: How to safely integrate a legacy mainframe using an Anti-Corruption Layer and the Strangler Fig Pattern, isolating modern Java/AWS developers from legacy COBOL systems. Solving the Availability & Latency Paradox: Why achieving true 99.999% compute availability in a single GDPR-compliant cloud region is structurally impossible, and how implementing the CQRS pattern and an asynchronous write-path saves the day (and prevents latency bottlenecks). Financial Engineering & Tool Selection: It is not just about the code; it is about the cloud bill. We do a hard cost-comparison of enterprise tools: De-Risking the MVP Timeline: Why trying to build Kafka, Spark, EMR, Aurora, CDC, and distributed Sagas simultaneously is a recipe for disaster, and how a phased rollout strategy ensures the 1-year MVP launches on time. 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! (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!) https://notebooklm.google.com/notebook/0e2ec4bb-5e9d-4c6b-be3d-9b0c7b581427
8 Jun 2026
המדע מאחורי סבל ריגשי
האם למוח שלנו אכפת אם קיבלנו מכה פיזית או שמישהו שבר לנו את הלב? מתברר שלא. מחקרים פורצי דרך במדעי המוח חושפים נתון מדהים: כאב פסיכולוגי, כמו דחייה חברתית או פרידה, מפעיל בדיוק את אותן רשתות עצביות במוח שמופעלות כשאנחנו חווים פציעה פיזית ממשית. מבחינת מערכת האזעקה של הגוף (באזורים כמו הקורטקס הצינגולטי הקדמי והאמיגדלה), סבל רגשי הוא פציעה לכל דבר. אז איך מפסיקים את הכאב ומחזירים לעצמנו את השליטה? בפרק הזה אנחנו צוללים אל מאחורי הקלעים של המוח, ומגלים כיצד תרגול של מיינדפולנס מאפשר לנו לבצע מעין "האקינג" מוחי - לנתק את התחושה הגופנית של הכאב מהפרשנות, הפחד והסבל הרגשי שמלווים אותה. הצטרפו אלינו למסע מרתק אל המכניקה של הכאב האנושי – וקבלו כלים מדעיים ומוכחים שיעזרו לכם להשתחרר ממנו ולבנות חוסן נפשי אמיתי. האזינו עכשיו.
4 Jun 2026
סיכום למבחן מדא
מתכוננים למבחן המסכם של מד"א ומרגישים שאתם טובעים בחומר? 🚑 בפרק המיוחד הזה (הכולל גם וידאו!) ארזנו לכם את המדריך המלא והממוקד שיעשה לכם סדר בראש רגע לפני המבחן.נעבור יחד על כל הנושאים החשובים שחובה להכיר: החל משלבי סכמת הטיפול בפצוע בודד (PHTLS) ואבטחת נתיב אוויר, דרך זיהוי המודינמי של סוגי ההלם השונים (תת-נפחי, קרדיוגני, אנאפילקטי ועוד), ועד לטיפול במצבי חירום נשימתיים ולבביים כמו אוטם בשריר הלב, בצקת ריאות ואסטמה. נדבר גם על חוקי הקינמטיקה בטראומה, טיפול נכון בכוויות והתחשמלות, ופגיעות אקלים. זה הזמן לשים אוזניות, ללחוץ פליי, ולבוא הכי מוכנים שיש כדי להציל חיים ולהפציץ במבחן! 🎧👇 האזנה וצפייה נעימה!
4 Jun 2026
Dare to know - the enlightment
The Revolution of Reason: Ideas that Broke the Throne 👑 How did a few philosophers armed only with pens manage to threaten absolute monarchs and change the world forever? Dive into the Enlightenment—the intellectual movement that sparked secret salon meetings, challenged the mighty Church, and invented the blueprint for modern democracy. From the survival secrets of Robinson Crusoe to the revolutionary concept of "Natural Rights," discover how humanity "Dared to Know" and broke free from the chains of absolute rule. Hit play to hear how a revolution of the mind built the world we live in today!
4 Jun 2026
משחק ההרכבה של הטבע – מסע אל תוך האטום
משחק ההרכבה של הטבע – מסע אל תוך האטום ⚛️🎧 הוק (פתיח מושך):האם אי פעם עצרתם לחשוב ממה מורכב העולם שסביבנו? מהאוויר שאנחנו נושמים ועד המים שאנחנו שותים – הכל הוא בעצם משחק הרכבה עצום ומורכב של הטבע שמורכב מיסודות ותרכובות. תיאור הפרק:בפרק של היום נצלול אל העולם המיקרוסקופי והבלתי נראה, ונפענח את "קוד ההפעלה" של החומר! נכיר את אבני הבניין של היקום – האטומים – ונבין כיצד חלקיקים תת-אטומיים קטנטנים כמו פרוטונים, נויטרונים ואלקטרונים מסודרים בתוך הגרעין ומחוצה לו. במהלך הפרק נצא לסיור מודרך בטבלה המחזורית המפורסמת, נגלה מה מאפיין משפחות כימיות כמו הגזים האצילים, ההלוגנים והמתכות האלקליות, ונבין סוף סוף מהו הסוד שהופך מתכות למוליכות חשמל מצוינות (רמז: הכל מתחיל ב"אלקטרונים חופשיים"). בנוסף, נדבר על הקסם המתרחש בתגובות כימיות: איך חיבור של אבקת ברזל אפורה וגופרית צהובה, או שריפת מגנזיום בוהקת, יוצרים חומרים חדשים לחלוטין עם תכונות שונות לגמרי בתהליכי הרכבה ופירוק? ומה ההבדל בין תהליך שפולט חום לסביבה (אקסותרמי) לבין כזה שקולט חום (אנדותרמי)? הפרק מומלץ במיוחד לסיכום וחזרה מרתקת לקראת המבחן במדעים של כיתה ח', ולכל מי שסקרן להבין איך הכימיה והפיזיקה מעצבות את המציאות שבה אנו חיים. האזנה נעימה! 🎙️✨
14 Jan 2025
Product Workflow discussion
Noam shares actionable insights on optimizing product workflow, streamlining research, organization, and processes to make product development click.
2 Oct 2024
10 Golden Rules for Crystal-Clear Architecture
Architectural planning and documentation are critical for successful software projects. However, one of the most significant challenges architects face is ensuring that these documents are not only technically sound but also understandable and usable by everyone involved in the project. Clear communication plays a pivotal role in bridging the gap between developers, stakeholders, and end-users, making it easier for teams to collaborate and maintain long-term project success. https://medium.com/product-management-aspects/10-golden-rules-for-crystal-clear-architecture-from-blueprints-to-buy-in-dd576e104915
25 Sept 2024
Made4Net architecture change
Made4Net is undertaking a significant architectural transformation of its Warehouse Management System (WMS), propelling it from the world of outdated WebForms and MVC architecture into the modern era of ReactJS and .NET Core. Imagine a sleek, intuitive interface that responds in real-time to user input, offering a seamless and efficient experience for managing even the most complex warehouse operations. That's the vision, and the sources provide an insider's look into how Made4Net plans to achieve it.This transformation is not just about aesthetics; it's about building a system that is faster, more scalable, and adaptable to the future of logistics and supply chain management.
21 May 2024
Eternal flame
🎉 Big News! 🎉 I'm cooking up a surprise for my wife's birthday next week! Created some heartfelt lyrics with Gemini and jammed with Suno. 🤖🎶 (Shhh... she’s not on LinkedIn, so it's our little secret! 😉) #AI #Music #BirthdaySurprise #Shhh Have no fear #Suno is here.. When #Gemini met #Suno (Verse 1) My love, my life, my dearest friend, Through stormy seas, our love ascends. The anchor of my soul, my guiding light, With you beside me, days are ever bright. (Chorus) Happy birthday, my eternal flame, Years may pass, but love remains the same. The laughter shared, the tears we've dried, In your embrace, my heart confides. (Verse 2) Your touch, a gentle summer breeze, Your smile, a sunbeam through the trees. The mother of our precious seeds, A love like yours, my heart exceeds. (Chorus) Happy birthday, my eternal flame, Years may pass, but love remains the same. The laughter shared, the tears we've dried, In your embrace, my heart confides. (Bridge) Through life's winding paths, we'll roam, Hand in hand, we'll find our home. With every beat, my love takes flight, Forever yours, in day and night. (Chorus) Happy birthday, my eternal flame, Years may pass, but love remains the same. The laughter shared, the tears we've dried, In your embrace, my heart confides.
30 Jun 2022
My first music creation trial
Just a bit of jam
4 Jul 2021
Analyze your Retrospective
As a team, we always need to find, analyze and solve the pitfalls of the processes. Last year was a tough one, with COVID-19 making us stay at home and working via Zoom without any personal connection. But at the same time, seems that digitalizing the process inserts some order into our lives and enables us to measure the process even better. So the process is running well for us, but as a constant improvement here are some of the items we are looking into And what are your action items, from your last retro? Share it with us here at grekai.wordpress.com, comment, and let us know. This episode is also available as a blog post: https://grekai.wordpress.com/2021/06/30/analyze-your-retrospective/
30 Jun 2021
Docker trauma
My Docker trauma episode and where it can take our startup. That one decision in the project life that most probably will make you lose control... This episode is also available as a blog post: https://grekai.wordpress.com/2021/06/30/docker-trauma/
Podcast Authority Score: 8 / 100
A composite of feed quality, social presence, YouTube performance and engagement. Read the methodology.
- Quality
- 4
- Social presence
- 0
- YouTube
- 0
- Engagement
- 27
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