
What we’re about
Better late than never - Ride the AI ,Data Science , Machine Learning revolution wave
As a developer, are you excited about Artificial Intelligence / Machine Learning?
We have an exciting opportunity for you! Join meetup to listen from leading industry experts& renowned researchers to explore technologies shaping the future.
SKILLS ***********************************************
Python , R , Julia , SAS , F# ,
C++ ,SQL , Scala , Java , MAT LAB
Big Data , Hadoop ,Hive , Pig ,Spark
Clojure, Lisp
***************************************************ENDLESS
Idea for talk?
Technical talk with implementation details about Language UseCases or related development exercise from speakers comfortable handling hands on with Q&A.
We're always on the search for new meetups!
starting a tech or startup methodology focused meetup, drop us a line at info@jvtechnologies.co.in
and a Community Manager will be in touch shortly.
Upcoming events
20
•OnlineSeries2 -Inside the Database Engine: MySQL, PostgreSQL & MongoDB – Architecture
OnlineFrom Theory to Source Code: Internals That Drive Your Database”
🧠 Explore, Decode & Rebuild Core Database Engines Like the Pros
📅 Date: Aug 3th, 2025
⏰ Time: 6:30 PM – 9:30 PM IST
Join Zoom Meeting
https://us02web.zoom.us/j/89315077599?pwd=z3aaToAj7pixB9eijIZ2rThmQ1bhZY.1
Meeting ID: 893 1507 7599
Passcode: 131654
📍 Live + Recorded + Labs Access
🎥 Hosted by: Coderrange YouTube + GitHub + Telegram Group
***
### 🧬 What Makes Series 2 Different?
✅ We show the internal source code from the official GitHub repos of MySQL, PostgreSQL, and MongoDB
✅ Live debugging and instrumentation walkthroughs
✅ You run labs locally, inspect logs, retry events, and simulate failure
✅ We help you trace real crash recovery, log replay, and buffer pool internals
🔧 Dive into Real Source Code • Crash Recovery • Retry Logic • Live Demos
| 🕕 Time | 💡 Session |
| ------- | ---------- |
| 6:30 PM | Kickoff + Setup Labs |
| Get access to GitHub repos, tools, data dumps, and retry labs. | |
| | |
| 6:45 PM | MySQL Recovery Internals |
| Analyze InnoDB crash recovery code (`log0recv.cc`), simulate redo logs, binlog replay, and fail recovery. | |
| | |
| 7:15 PM | PostgreSQL WAL + Vacuum Deep Dive |
| Trace WAL flush, replay, and vacuum cycles from the `xlog.c` source. Live demo of planner + stats tools. | |
| | |
| 8:00 PM | MongoDB Replication & Failover |
| Walk through Oplog, elections, failover logs, and aggregation engine from MongoDB core files. | |
| | |
| 8:40 PM | Retry Mechanisms in Action |
| Compare how MySQL (`force_recovery`), Postgres (WAL timelines), and MongoDB (retryable writes) recover. | |
| | |
| 9:00 PM | Live Panel: Building Resilient DB Systems |
| Lessons from Netflix/Uber/Google. DB selection tips for scale, resilience, and observability. | |
| | |
| 9:30 PM | Wrap-Up + GitHub Drop + Telegram Group Access |
***205 attendees
•Online🚀 Cloud Automation Unleashed: From Manual to AI-Powered Workflows
Online### 🔧 Hands-On Demo: Building a Scalable Cloud Automation Module
Join us for an interactive session where we delve into the evolution of cloud automation. We'll demonstrate how to implement a cloud automation module using traditional scripting methods and then enhance it with AI capabilities.
***
### 🛠️ What You'll Learn:
#### Without AI: Traditional Automation
- Infrastructure as Code (IaC): Deploy resources using tools like Terraform or AWS CloudFormation.
- CI/CD Pipelines: Set up automated deployment pipelines with Jenkins or GitHub Actions.
- Monitoring & Alerts: Configure monitoring using CloudWatch or Prometheus.
#### With AI: Intelligent Automation
- AI-Powered Monitoring: Implement anomaly detection using AI models to proactively identify issues.
- Smart Scaling: Utilize AI to predict traffic patterns and auto-scale resources accordingly.
- ChatOps Integration: Deploy AI-driven chatbots for operational tasks and alerts.
***
### 🎁 Takeaways:
- Access to the complete codebase for both implementations.
- Step-by-step guides and documentation.
- Certificate of participation.
- Networking opportunities with industry professionals.
***
### 👥 Who Should Attend:
- Developers aiming to enhance their DevOps skills.
- Cloud engineers interested in AI integrations.
- Tech enthusiasts eager to explore the future of cloud automation.
***
### 📅 Event Details:
Join Zoom Meeting
https://us02web.zoom.us/j/85058655770?pwd=AMaOkV5NR4gqnKt03SKFbKKgNObCDd.1
Meeting ID: 850 5865 5770
Passcode: 101265
Don't miss this opportunity to elevate your cloud automation skills!410 attendees
•OnlineArchitecting the Cloud: DevOps & System Design Master
Online### 🧠 Overview:
Join us for an immersive session where we delve into the intricacies of system architecture within the realms of DevOps and cloud computing. This event is designed to bridge the gap between foundational knowledge and advanced architectural practices, ensuring attendees gain actionable insights applicable to real-world scenarios.
### 🎯 Target Audience:
- Developers with 2–8 years of experience aiming to deepen their understanding of system architecture.
- DevOps professionals seeking to integrate architectural best practices into their workflows.
- Cloud engineers interested in scalable and resilient system design.
***
### 🛠️ Agenda:
- Welcome & Introduction
Brief overview of the event's objectives and the importance of system architecture in modern development. - Session 1: "Foundations of System Architecture in the Cloud"
Explore the core principles of designing systems optimized for cloud environments, including scalability, availability, and fault tolerance. - Session 2: "DevOps Meets Architecture: Ensuring Seamless Integration"
Discuss how DevOps practices influence architectural decisions and the role of CI/CD pipelines in maintaining system integrity. - Break & Networking
Opportunity for attendees to connect and discuss insights from the sessions. - Session 3: "Case Study: Building a Resilient Microservices Architecture"
Walkthrough of a real-world example highlighting the transition from monolithic to microservices architecture, emphasizing challenges and solutions. - Session 4: "Interactive Workshop: Designing Your Own System"
Hands-on activity where attendees collaborate to design a system based on given requirements, followed by group discussions. - Q&A Panel
Open floor for attendees to ask questions to the panel of experts. - Closing Remarks & Next Steps
Summary of key takeaways and information on further resources or upcoming events.
***
### 🎁 Takeaways:
- Comprehensive understanding of system architecture principles in cloud and DevOps contexts.
- Practical experience through interactive workshops.
- Networking opportunities with peers and industry experts.
- Access to session materials and additional resources post-event.
Join Zoom Meeting
https://us02web.zoom.us/j/82307972179?pwd=oKpCXLp2e96EKbKVz99tcWbdTSnwuk.1
Meeting ID: 823 0797 2179
Passcode: 782618753 attendees
•Online⚛️ ReactJS Pro: Elevate Your Frontend Engineering Mastery – Series 1
Online### 1. Coding Challenge: Build a Dynamic Form with Validation & Reusability (25 mins)
Objective: Implement a dynamic form component in React that accepts JSON schema and renders inputs with built-in validation.
Key Concepts:
- Controlled components and form state
- Reusable components with props and context
- Validation (custom + libraries like Yup)
Discussion Points:
- Schema-driven UI design
- Managing deeply nested form data
- Performance with large forms (memoization, virtualization)
***
### 2. Debugging Simulation: Resolving React Memory Leaks (25 mins)
Scenario: A React dashboard gradually slows down and crashes after prolonged use.
Tasks:
- Identify and fix memory leaks from event listeners, intervals, or subscriptions
- Apply cleanup with `useEffect` and test with Chrome DevTools
Key Concepts:
- React lifecycle (`useEffect`, cleanup, unmount)
- Debugging with React DevTools + Profiler
- Preventing zombie subscriptions and stale state
***
### 3. System Design Session: Designing a Component Library for an Enterprise App (35 mins)
Objective: Architect a scalable and themeable component library with Storybook integration.
Discussion Points:
- Atomic design principles
- Style systems (Tailwind vs Styled Components)
- Component composition and accessibility
Key Concepts:
- `React.forwardRef`, `useImperativeHandle`
- Design tokens and theme context
- Publishing as NPM package
***
### 4. Real-World Product Issue: Handling Global Error Boundaries & Logging (25 mins)
Scenario: In production, certain user flows result in blank screens with no feedback.
Tasks:
- Implement a global error boundary that logs to an external service
- Display fallback UIs with user-friendly messaging
Key Concepts:
- `componentDidCatch` vs `useErrorBoundary`
- Integration with Sentry, LogRocket, or custom loggers
- Ensuring observability in SPAs
***
### 5. Q&A and React Roundtable (30 mins)
Open forum:
- Discuss real-world challenges like hydration errors, performance bottlenecks, or state explosion
- Interview insights for React engineers (2–6 YOE)
- Live review of participant projects or portfolio advice
***
> ✅ Bonus Add-on for Recruiter/Team Use:
> Series 2 – "ReactJS Pro Advanced":
- React + GraphQL integration
- State machine with XState
- Lazy loading, code splitting, SSR & hydration
- Testing React apps with Cypress + Jest
Join Zoom Meeting
https://us02web.zoom.us/j/82509450624?pwd=kFu5LRz4qbDgNlmRH6bFQgmmX7jMMZ.1
Meeting ID: 825 0945 0624
Passcode: 130608333 attendees
Past events
95