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Do you prefer to build your own utilities (e.g., OCR, PDF extraction/processing, etc.) or buy them?

I'm asking the classic build vs buy... Do you prefer to build your own utilities (like OCR, PDF extraction, audio processing, video processing, VAT validation, IBAN lookup, PDF conversion, doc conversion, file conversion, markdown conversion), or do you…

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Railway has some trust to rebuild after the October 21 Incident

#backend#redditbackend#incident#want#glad

I’m glad deployments have resumed, but the October 21 incident would still make me reconsider where I’m hosting important applications. The question I’d want answered is straightforward: if something like this happens again, how will we be able to make…

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Mobile dev who wants to build my own backends, deciding between Boot.dev and Frontend Masters

#backend#redditbackend#developer#years#every

I've been an iOS developer for 4 years and every app idea I come up with dies at the backend. I want to learn it properly, databases, auth, an API I can deploy, probably in Go or TypeScript, and I'm paying for a year of one platform myself.…

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What tools do you use to test backend system behavior under load?

#tools#system#backend#test#behavior

I'm curious how other backend developers experiment with system performance beyond local testing. How do you explore bottlenecks, queue buildup, database saturation, or what happens when a downstream service slows down?…

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Websocket or REST?

Reddit r/Backend·u/viciousvatsal·2 days ago
#trd2TSDT
#websocket#request#connection#rest#photo

I am building a real time app that also has a group chat. I will need a websocket connection for this, which introduces complexity at the system level for scaling, but that's not the point of this post.…

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Backend development is more than just building APIs — what should I focus on next?

Hey everyone 👋 I'm a final-year Computer Science student learning backend development with Node.js, Express.js, MongoDB, and REST APIs. I've built projects using the MERN stack, and I'm now trying to go beyond CRUD operations and understand how real…

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Client timeouts are triggering duplicate model calls across our middleware layers

Reddit r/Backend·u/SatisfactionOnly1523·4 days ago
#q7RkW8rN
#model#duplicate#request#retry#client

Yesterday we finally traced why 96000 model requests a day were costing more than the traffic suggested. About 6720 requests, or 7%, cross a 5 second client timeout.…

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How many backend services is too many for one AI product?

I'm curious where backend folks draw the line between "best tool for each job" and just too much operational surface area. A typical AI app can easily end up with Postgres/document DB + vector DB + auth + object storage + search + LLM gateway +…

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