@D3bytes

Backend Engineering, Databases & System Design made simple.

 terminal
Joined December 2025
  • Tweets342
  • Following0
  • Followers360
11Media
D3 Bytes retweeted
agentX
@nikks_techie4h
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?
51
18
1
122
10,689

Backend Series Ep 5: Monolith vs Microservices. How Should You Structure a Backend?

Article · @D3bytes
2
1
4
30
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
1
3
24

Backend Series Ep 4: Ways Frontend and Backend Communicate

Article · @D3bytes
2
1
3
40
D3 Bytes retweeted
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
26
5
38
1,048
How do you interact with your database? a) ORM b) Query builder c) Raw SQL d) A mix of these
2
2
61
Which caching layer do you reach for first? a) Redis b) Memcached c) In-memory (application level) d) No cache yet
1
2
51
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.
2
1
1
56
Where do you deploy your backend? a) VPS b) Docker on cloud c) Serverless d) PaaS (Render, Railway, etc.)
4
1
66
D3 Bytes retweeted
agentX
@nikks_techieOct 23
Interviewer: If I fine-tune an LLM on my company's data, do I still need RAG?
130
25
4
457
74,284

Backend Series Ep 3: Frontend vs Backend Responsibilities (and Why You Never Trust the Client)

Article · @D3bytes
4
3
7
284
D3 Bytes retweeted
agentX
@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?
113
23
2
340
86,596
4. Which API style do you use most? a) REST b) GraphQL c) gRPC d) tRPC
4
5
73
2. Which database should a startup choose? a) PostgreSQL b) MySQL c) MongoDB d) SQLite
2
1
34
1. Which backend framework should a beginner choose in 2026? a) Express b) NestJS c) Django / FastAPI d) Spring Boot
4
5
82

Episode 02 - How the Internet Works: IP, DNS & Ports 🌐

Article · @D3bytes
3
1
5
164

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

Article · @D3bytes
4
2
5
178
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 👇
5
2
5
113
more replies
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
1
1
19
10/ Phase 9: Capstone (Ep 57) A complete production-style API from scratch: auth, roles, validation, caching, queues, tests and deployment.
2
13
Load more