Sumit Singh
@Thesumitkrsingh
On a 317-day quest to become a Full-Stack Dev.🧙♂️ Building in public. Java | Spring | React | AWS. Future #DevRel? Let's chat!
Day 22/317: Fortifying the Foundation - Core CS Concepts Deep Dive! 🧱 Before building taller, you must build stronger. Today was dedicated to a strategic revision of the four pillars of software engineering:
Day 9 of #DevOps Zero to Hero: Practice & Revision! ✅ 🖥 Launched my first AWS EC2 instance using the CLI. 🔁Revised core concepts: DevOps culture, VMs, CLI power. 🚀Saw the DevOps loop in action: Code -> Automate -> Deliver. Theory is great, but building is better! #AWS #EC2
Day 8 of #DevOps Zero to Hero: Mastering the AWS CLI! ✅ Installed & configured the AWS CLI ✅ Ran first commands to list S3 buckets & EC2 instances ✅ Unlocked the foundation for all cloud automation The console is powerful, but the command line is where the magic happens! #AWS
Day 21/317 ✅ Big picture day! 🖼️ Learned the secret to scaling: Scale your backend first. Why? It protects your database and handles the complex logic. A scalable backend makes database scaling an option, not a panic. #100DaysOfCode #BuildInPublic #SystemDesign #Architecture
Bajaj Finance: Your generic @Bajaj_Finance apology (Ref: SR149419839) is unacceptable. I demand arefund date for the failed ₹480 EMI Card payment (28/9/25, GPay: CICAgOj4ke-sMA). "Actively working" isn't enough. Refund the money in the next 24 hours or face Consumer Court action
Bajaj Finserv, refund my ₹480 @Bajaj_Finance NOW! The EMI Card payment failed (28/9/25, GPay: CICAgOj4ke-sMA), but you kept the money. I demand an immediate credit within 24 hours. Failure to comply means legal action via Consumer Court. #BajajFinserv #Refund @Consumer_Helpline
Day 20/317 ✅ Unlocked the database's secret sauce today! 🧙♂️ Learned how SQL queries are processed & optimized under the hood. Key insight: More indexes ≠ faster queries.. Understanding the "why" behind the "what". 🧠 #100DaysOfCode #BuildInPublic #SQL #Database
Day 7 of #DevOps Zero to Hero: AWS Deep Dive! ☁️ Explored the core building blocks of the cloud: 🖥EC2 for virtual servers 💾S3 for infinite object storage 🗄RDS for managed databases Starting to see how all the pieces fit together! #AWS #CloudComputing
Day 19/317 ✅ My JavaScript can now talk to the webpage! 🗣️ Learned DOM Manipulation: · Find any element ✅ · Change its content ✅ · Make it interactive ✅ It's like magic, but it's just code. ✨ #100DaysOfCode #BuildInPublic #JavaScript #WebDev
Day 6 of #DevOps Zero to Hero: Revision Day. Refreshed the core: ✅DevOps = Culture + Automation ✅Our role in the SDLC ✅VMs & IaC basics Brain rebooted and ready for the next challenge! #LearningInPublic
Hit the pause button for a few days. ⏸️ Mid-sem exams from Sep 22-26 need full focus. 📚 Academics are important too! Will be back on Sep 27 to continue the grind. 💪 #BuildInPublic #StudentDeveloper #Exams
Day 18/317 ✅ Paused the new content today. ⏸️ Declared it #RevisionDay. 🔁 Reviewed: Java OOP, JS basics, APIs. Sometimes you have to slow down to speed up. 🧠💪 #100DaysOfCode #BuildInPublic
🔁 Day 5/45 of #DevOps Zero to Hero: Revision Day! 🧠 Consolidated Week 1: ✅DevOps Culture & "Why" ✅SDLC & DevOps' place in it ✅Org Roles & Jira ✅VMs, Hypervisors, Cloud Automation Sometimes you have to slow down to speed up. Ready for Week 2! #LearningInPublic #AWS
Day 17/317 ✅ Became an API wizard today! 🧙♂️ · CRUD Operations ✅ · Query Params ✅ · Path Variables ✅ · JSON Body ✅ Mastered @postmanclient. Getting certified tomorrow! 🎓 #100DaysOfCode #BuildInPublic #API #Postman
🚀 Day 4/40 of #DevOps Zero to Hero with @abhishekveeramalla! 🖱️ Learned to manually create VMs on AWS & Azure consoles. 🤖Discovered the real DevOps way: Automating provisioning via CLI, SDKs (Boto3), & IaC tools (Terraform, CloudFormation).. #AWS #Azure #Automation
Day 16/317 ✅ New language unlocked! 🎮 Switched gears from Java to JavaScript. 💛 · Variables & Functions ✅ · Arrow Functions ✅ · Arrays & Objects ✅ The web feels a lot more powerful now. #100DaysOfCode #BuildInPublic #JavaScript #JS
🚀 Day 3/40 of #DevOps Zero to Hero with @abhishekveeramalla! 🧠 Understood the "why" behind Virtual Machines (#VMs) with a great land/house analogy. ⚙️Learned how the Hypervisor is the magic software that creates VMs on physical server All about efficiency! #CloudComputing
Day 15/317 ✅ Upgraded my concurrency skills! 🔄 Old way: Manually creating Threads. Messy. ❌ New way:Using ExecutorService & Thread Pools. Clean. Efficient. ✅ Java's Executor Framework is a game-changer for doing things the right way. #100DaysOfCode #BuildInPublic #Java
🚀 Day 2/40 of #DevOps Zero to Hero with @abhishekveeramalla! 📖 Deep dived into the Software Development Life Cycle (#SDLC). 🎯Learned the 6 key phases: Plan, Define, Design, Build, Test, Deploy. 🤖Discovered the DevOps sweet spot: Automating the Build, Test #LearnInPublic
🚀 Day 1(17/9/25) of #DevOps Zero to Hero with @abhishekveeramalla! 📚 Learned the core fundamentals: 🤝DevOps is a Culture, not just tools. ⚙️Its 4 pillars: Automation, Quality, Monitoring, Testing. ⏩Why? To break silos & speed up delivery from months to minute #buildinpublic
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