@D3bytes

Backend Engineering, Databases & System Design made simple.

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Joined December 2025
  • Tweets342
  • Following385
  • Followers360
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agentX
@nikks_techie8h
Asked at Microsoft, Databricks, Glean & Palantir 🤔 You’re deploying a 70B-parameter LLM in production. How much GPU memory do you actually need to serve it?
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Backend Series Ep 5: Monolith vs Microservices. How Should You Structure a Backend?

Article · @D3bytes
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How do you scale a backend first when traffic grows? a) Vertical scaling (bigger server) b) Horizontal scaling (more instances) c) Add caching d) Optimize queries and indexes
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Backend Series Ep 4: Ways Frontend and Backend Communicate

Article · @D3bytes
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Edgex
@SahilExecOct 23
bro asked claude for an office and got a whole GTA side quest 💀
Jesse Rowe
@jessetroweOct 23
I asked Claude to build an office for the @tavus PALs... I was not expecting it to build THAT kind of office
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How do you interact with your database? a) ORM b) Query builder c) Raw SQL d) A mix of these
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Which caching layer do you reach for first? a) Redis b) Memcached c) In-memory (application level) d) No cache yet
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We’re now a family of 350 people on here! Thank you to everyone who followed, engaged, and supported D3 Bytes. Every single one of you means a lot! If you’re into tech, backend engineering, databases, or system design, let’s connect and grow together. 350 today. Bigger things ahead.
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Where do you deploy your backend? a) VPS b) Docker on cloud c) Serverless d) PaaS (Render, Railway, etc.)
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@nikks_techieOct 23
Interviewer: If I fine-tune an LLM on my company's data, do I still need RAG?
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Backend Series Ep 3: Frontend vs Backend Responsibilities (and Why You Never Trust the Client)

Article · @D3bytes
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@nikks_techieOct 22
Interviewer: If I increase an LLM's context window from 32K to 1M tokens, does that mean it can reliably remember everything in that context?
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4. Which API style do you use most? a) REST b) GraphQL c) gRPC d) tRPC
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2. Which database should a startup choose? a) PostgreSQL b) MySQL c) MongoDB d) SQLite
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1. Which backend framework should a beginner choose in 2026? a) Express b) NestJS c) Django / FastAPI d) Spring Boot
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Episode 02 - How the Internet Works: IP, DNS & Ports 🌐

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Episode 1: What is backend, and why do we need it?

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Starting a Backend Series from today 57 episodes. From "what is a server" to shipping a production API. Node, Express, auth, databases, caching, Docker, CI/CD, all with demos you can code along. Every episode opens with "what breaks without this." Follow so you don't miss Ep 1. Everything we'll cover is in the thread 👇
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9/ Phase 8: Production readiness (Ep 51-56) • Logging and observability • Testing with Jest/Supertest • OWASP security checklist • Docker • CI/CD and deployment • Graceful shutdown, zero-downtime deploys
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10/ Phase 9: Capstone (Ep 57) A complete production-style API from scratch: auth, roles, validation, caching, queues, tests and deployment.
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