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#Backend

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#Backend Reel by @gardinidev - Já marca seu amigo SABOORR sênior aí kkkkkk #meme #humor #sabor #dev #tech #frontend #backend #linux
2.0M
GA
@gardinidev
Já marca seu amigo SABOORR sênior aí kkkkkk #meme #humor #sabor #dev #tech #frontend #backend #linux
#Backend Reel by @mission_compile - Backend concepts you should know 👇🏻 Comment "link" to get this document in Dm Core Concepts 1. What is an API 2. REST vs GraphQL 3. HTTP method
591.9K
MI
@mission_compile
Backend concepts you should know 👇🏻 Comment "link" to get this document in Dm Core Concepts 1. What is an API 2. REST vs GraphQL 3. HTTP methods (GET, POST, PUT etc) 4. HTTP status codes (2xx, 4xx, 5xx) 5. Stateless vs Stateful APIs 6. Authentication vs Authorization 7. Session-based auth vs JWT 8. OAuth 2.0 (Login with Google, GitHub, etc.) 9. Rate limiting vs Throttling 10. Idempotency (especially for payments) ⸻ Databases & Data Handling 11. SQL vs NoSQL — when to use what 12. Indexes and how they speed up queries 13. ACID properties 14. Transactions & isolation levels 15. Database normalization vs denormalization 16. Pagination (offset vs cursor-based) 17. Sharding & partitioning 18. Read replicas & write scaling 19. Handling duplicate records 20. Optimistic vs pessimistic locking ⸻ Caching & Performance 21. What is caching and where to cache 22. Cache eviction strategies (TTL, LRU) 23. Cache consistency & stale cache problems 24. CDN and edge caching 25. Why cache can make systems wrong ⸻ Distributed Systems & Scaling 26. Load balancing (round-robin, least connections, hashing) 27. Horizontal vs vertical scaling 28. Microservices vs monoliths (trade-offs) 29. Service-to-service communication (sync vs async) 30. Message queues (Kafka, RabbitMQ, SQS) ⸻ Reliability & Real-World Problems 31. Exactly-once vs at-least-once processing 32. Retries, timeouts, and circuit breakers 33. Handling race conditions 34. Distributed locking 35. Event-driven architecture 36. Saga pattern (distributed transactions) 37. Graceful degradation 38. Observability (logs, metrics, tracing) 39. Deployments (blue-green, rolling) 40. Handling traffic spikes & viral load #BackendEngineering #SystemDesign #softwareengineering #softwareengineer #techcareers (backend interview preparation, system design concepts, API basics, backend engineering roadmap, software engineering interviews)
#Backend Reel by @dscrmarc (verified account) - I used these tools to build an AI real estate system that just hit $600k ARR. if you want the system, comment "AI" and I'll send over a free guide
99.7K
DS
@dscrmarc
I used these tools to build an AI real estate system that just hit $600k ARR. if you want the system, comment “AI” and I’ll send over a free guide
#Backend Reel by @devopskelvin - Parabéns ai mano... 🙃 Gostou? Segue ai! Posto memes todos os dias As vezes também falo algo de útil... #memes #humor #devops #dev #frontend
199.4K
DE
@devopskelvin
Parabéns ai mano... 🙃 Gostou? Segue ai! Posto memes todos os dias As vezes também falo algo de útil... #memes #humor #devops #dev #frontend
#Backend Reel by @nikhilhuhcodes - Your backend folder structure might be killing your scalability. Here's the mistake 👇 [ ❌ Organizing by file type ] controllers/ services/ models/ r
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@nikhilhuhcodes
Your backend folder structure might be killing your scalability. Here’s the mistake 👇 [ ❌ Organizing by file type ] controllers/ services/ models/ routes/ Problem? To understand ONE feature, you jump across 4 folders. Now imagine 25 features 💀 [ ✅ Organizing by feature ] user/ auth/ payment/ Everything related to that feature stays in one place. Less confusion. Faster development. Cleaner scaling. Production apps follow this. Tag your backend dev friend who needs to see this 👇 #backenddeveloper #nodejsdeveloper #cleanarchitecture #softwaredesign #webdev
#Backend Reel by @duodevlogs (verified account) - Learning backend feels overwhelming because most people learn it in the wrong order. Here's the exact backend roadmap I'd follow today: Step 1: Pick
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DU
@duodevlogs
Learning backend feels overwhelming because most people learn it in the wrong order. Here’s the exact backend roadmap I’d follow today: Step 1: Pick ONE backend language What to learn: • Requests & responses • Functions • Basic APIs What to use: • Node.js (Express) or • Python (FastAPI) Step 2: Understand how data is stored What to learn: • Tables • Rows • Relationships What to use: • SQL basics • PostgreSQL / MySQL Step 3: Build a simple API What to learn: • CRUD operations What to use: • REST APIs • Postman Step 4: Learn authentication What to learn: • Login flows • Password security What to use: • JWT • Password hashing Step 5: Connect a frontend What to learn: • Sending requests • Handling responses What to use: • Simple React app • Fetch / Axios Step 6: Deploy once What to learn: • Environment variables • Hosting basics Step 7: Improve the SAME project Add: • Validation • Error handling • Roles 👉 Comment CAREER to get the whole dev career system (roadmaps, portfolio, ATS friendly resume, Interview guidelines and AI prompting all the way) starting from learning to code to getting hired. 👉 Comment CODE and I’ll send the necessary resource 👉 Comment SENIOR and I’ll send the masterpiece resource for senior devs. 👉 Follow @duodevlogs for more AI and dev content #backend #programming #python #nodejs #aiapps
#Backend Reel by @dicoding (verified account) - Ada yang bisa tambahin detail jobdesk Full Stack Dev?😺 #fullstack #backend #frontend #dicoding
194.9K
DI
@dicoding
Ada yang bisa tambahin detail jobdesk Full Stack Dev?😺 #fullstack #backend #frontend #dicoding
#Backend Reel by @highonnknowledge - 1. CORS (Most common) Browsers block requests coming from a different origin (domain, port, or protocol). Example: Frontend: http://localhost:3000 B
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HI
@highonnknowledge
1. CORS (Most common) Browsers block requests coming from a different origin (domain, port, or protocol). Example: Frontend: http://localhost:3000 Backend: http://localhost:5000 Postman ignores CORS, but browsers enforce it. 2. Missing Authentication Headers Postman sends them manually, but your browser request might not. Check your fetch / axios headers. 3. Wrong HTTP Method Your browser request might be GET but your API expects POST or PUT. Postman allows you to set it explicitly. 4. Preflight Requests (OPTIONS) Browsers send an OPTIONS request first for some cross-origin calls. If your server does not handle OPTIONS properly, the request fails. 5. Cookies / Credentials Issue If your API relies on cookies or sessions, Postman doesn’t have the same cookie restrictions. 6. HTTPS vs HTTP Browsers enforce secure requests more strictly. Example problem: Frontend: HTTPS Backend: HTTP Browser may block it. 7. Content-Type Issues Browser requests may not send correct headers. Content-Type: application/json Postman often sets it automatically. 🐞How to debug? 1. Open Browser DevTools Open your browser and go to: F12 → Network tab Trigger the API request from your frontend. Check: • Request URL • Method (GET / POST) • Status code • Request headers • Response headers • Response body Most issues become visible here. 2. Look at the Console Open the Console tab. Common errors you might see: CORS error Mixed content error 401 Unauthorized Blocked by browser security policy 3. Check if the Browser Sends an OPTIONS Request In the Network tab, see if there is an OPTIONS request before the actual API call. Browsers send this preflight request to check permissions. If your backend doesn’t handle it, the request fails. 4. Compare Headers with Postman Open the same request in Postman and compare: • Authorization header • Content-Type • Cookies • Request body Sometimes Postman sends headers automatically that your frontend does not. 5. Log Requests on the Server Add logs in your backend to see if the request even reaches the server.
#Backend Reel by @vibecodeapp (verified account) - Oh my.. this shouldn't be possible Creating a full stack mobile app in 117 seconds... > Frontend, Backend, API's, Payments > Sent to App Store - al
1.0M
VI
@vibecodeapp
Oh my.. this shouldn't be possible Creating a full stack mobile app in 117 seconds... > Frontend, Backend, API's, Payments > Sent to App Store - all on @vibecodeapp (The best mobile app builder in the world)
#Backend Reel by @codekarlo - Faah sound if there are any errors in the terminal.. #programming #coding #backend #viral #reels
4.9M
CO
@codekarlo
Faah sound if there are any errors in the terminal.. #programming #coding #backend #viral #reels

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اكتشف أحدث محتوى #Backend بدون تسجيل الدخول. أكثر الريلز إثارة للإعجاب تحت هذا الهاشتاق، خاصة من @yaroslavkulakov, @codekarlo and @gardinidev، تحظى باهتمام واسع. شاهدها بجودة عالية وحملها على جهازك.

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