eliasfischer8351 - DEV Community

eliasfischer8351

Oct 25

How to Choose the Best Embedding Model for Chatbot RAG Semantic Search

#ai #rag #backend #privacy

8 min read

eliasfischer8351

Oct 22

A 4-Stage Retrieval Architecture for Recruiting Candidate Search and Source Deduplication

#search #rag #recruiting #backend

5 min read

eliasfischer8351

Oct 21

Designing Internal Service Status from Metrics and Logs (For AI Agent Loops)

#observability #node #uptime

6 min read

eliasfischer8351

Oct 20

One Channel for 10,000 Devices vs Per-Device Channels (Operational Tradeoffs)

#realtime #devices #architecture

8 min read

eliasfischer8351

Oct 18

Node.js SMS Alert API: 3 Template Ownership Rules for Home Security SaaS

#node #sms #architecture

6 min read

eliasfischer8351

Oct 16

Object Storage Backups: Private Access, Retention, and S3-Compatible Delivery

#storage #backups #s3 #backend

6 min read

eliasfischer8351

Oct 14

React Native Mobile App SMS OTP — 5 Backend Cost Traps

#go #security #sms

9 min read

eliasfischer8351

Oct 12

Small-App Observability Stack in 2026 — Checkout Health Monitoring for Reconstruction

#observability #backend #payments

7 min read

eliasfischer8351

Oct 11

Auditable Fintech Access by Polling SMS OTP Delivery Status Without Webhooks

#sms #authentication #fintech

6 min read

eliasfischer8351

Oct 8

SMS OTP 2FA Login: US/EU Phone Delivery Status Explained

#sms #authentication #backend #go

7 min read

eliasfischer8351

Oct 6

Implementing 4-Signal React and Node.js Backend Error Tracking (Simple API Correlation)

#observability #node #react

8 min read

eliasfischer8351

Oct 5

How to Combine Production Failure Alerts, Logs, Metrics, and Traces — 2026

#observability #go #ai #backend

7 min read

eliasfischer8351

Oct 4

Live Captions vs Post-Session Transcripts in Go — Choose Transcripts for 500 Attendees

#go #realtime #transcripts

6 min read

eliasfischer8351

Oct 1

Choose Feature Metrics API Backend for SaaS KPI Dashboard Charts (3 Retention Tiers)

#observability #fintech #metrics

9 min read

eliasfischer8351

Sep 29

Next.js Exception Capture Explained: 4 Boundaries for API Routes and Server Actions

#observability #nextjs #backend

7 min read

eliasfischer8351

Sep 28

Attach PII-Safe User and Release Metadata to Node.js Error Events (2026)

#observability #node #gdpr

8 min read

eliasfischer8351

Sep 26

Catalog Intake Costs: How to Track Seller Import Batches and Progress

#backend #catalog #batch

9 min read

eliasfischer8351

Sep 25

Marketplace Compliance Notices 2026 (Welcome Email Delivery, Suppression, Template Evidence)

#email #backend #compliance

7 min read

eliasfischer8351

Sep 22

Authentication vs Authorisation: The Difference Explained Simply for Marketplace Beginners

#authentication #authorization #security

7 min read

eliasfischer8351

Sep 21

Autonomous Agents: How to Set 3 Spend Limits They Cannot Edit

#ai #architecture #billing

6 min read

eliasfischer8351

Sep 20

Media API Spend Limits: Per-Capability Cost Shaping During Key Rotation

#api #finops #security

1

7 min read

eliasfischer8351

Sep 18

Go DNS Audit Reports — Dated Evidence for Mail Record Changes

#dns #go #observability

8 min read

eliasfischer8351

Sep 15

DNS Audit History: Reconciling Application Logs with Live Marketplace Zone Reads

#dns #backend #security

7 min read

eliasfischer8351

Sep 14

Image Metadata Audits in Go: Privacy and Photographer Attribution at Upload

#go #privacy #imageprocessing #metadata

6 min read

eliasfischer8351

Sep 13

Leaked-Key Drill for a Storefront API: Spend Attribution, 3 Alerts, One Hard Stop

#api #budget #alerting #security

8 min read

eliasfischer8351

Sep 12

Domain Offboarding with Go in 2026: Deleting DNS Records Safely in Shared Zones

#dns #domainoffboarding #go

5 min read

eliasfischer8351

Sep 11

Museum Watermarking in Go: Access Derivatives and Immutable Masters (Migration Ledger)

#museum #imageprocessing #go

6 min read

eliasfischer8351

Sep 10

Marketplace Email Deliverability Strategy: Auditable SMS Alert Fallback for Support Routing

#emaildeliverability #sms #node #backend

5 min read

eliasfischer8351

Sep 9

Moderating Multilingual Scans — 3 Metadata Pipeline Invariants for Reviewable Sources

#backend #metadata #imageprocessing

8 min read

eliasfischer8351

Sep 8

Password-Protected Customer PDF Endpoints Explained: Node.js SaaS Fidelity, Latency 2026

#pdf #security #node #backend

6 min read

eliasfischer8351

Sep 4

Implementing 5 API Ledger Controls for Bulk SMS Alerts in SaaS Incidents

#sms #fintech #backend

11 min read

eliasfischer8351

Sep 2

Server-Side CAPTCHA Signup Bot Defense Before Account Creation (and Migration)

#security #captcha #backend

5 min read

eliasfischer8351

Sep 1

PDF Endpoints for SaaS Identity Verification: How to Bound Go Latency in 3 Stages

#go #pdf #backend

8 min read

eliasfischer8351

Aug 31

Syndicated Photos in 2026: Watermarked Previews and Converted Partner Deliverables

#media #watermarked #go

9 min read

eliasfischer8351

Aug 30

Cloud Cron, Queues, and API Rate Limits: A Batch Scheduler Decision

#scheduling #queues #go

7 min read

eliasfischer8351

Aug 29

E-commerce SaaS Image Thumbnails in Go: Object Storage Retention Without CDN Resizing

#go #storage #architecture

7 min read

eliasfischer8351

Aug 28

Next.js Tenant Export Retention: Signed PDF Access Across US/EU Object Stores

#nextjs #storage #security

1

8 min read

eliasfischer8351

Aug 27

Fintech Shipment Fan-Out: SaaS Retention Cleanup and the Node.js Cron-Queue Boundary

#node #scheduling #datacleanup

7 min read

eliasfischer8351

Aug 25

Cron, Queue Workers, and the 15-Minute Limit for Scheduled Cleanup Jobs

#cron #queues #backgroundjobs

7 min read

eliasfischer8351

Aug 23

Node.js Event Notification Controls: Channel Preferences and Suppression Implementation

#node #notifications #compliance

8 min read

eliasfischer8351

Aug 22

Nightly Lease Cleanup: Choosing a Retry-Safe Queue for Rate-Limited Webhook Tasks

#go #queue #webhooks #saas

8 min read

eliasfischer8351

Aug 20

Trust-Boundary Controls — Sexual, Self-Harm, Illegal, Spam, Harassment, and PII

#moderation #backend #go

7 min read

eliasfischer8351

Aug 19

Private Media RAG Cost: 4 Token Ledgers for Batch Embeddings and Semantic Search

#rag #semanticsearch #go

10 min read

eliasfischer8351

Aug 18

Tenant Chargeback for SaaS Invoice Extraction: Token Cost, Fallback, and Unified Keys

#go #saas #ai #backend

8 min read

eliasfischer8351

Aug 16

Per-Tenant Costs in a Node.js Scoring Chatbot: OpenAI-Compatible API or Anthropic?

#node #chatbot #api #ai

7 min read

eliasfischer8351

Aug 15

Implementing an AI Image Generator App — Upload Prompts, Aspect Ratios, and Ledger Controls

#ai #saas #go

8 min read

eliasfischer8351

Aug 14

Prompt-to-Image Backend Endpoint Design: Marketing Quality, Latency, and Review Queues

#ai #backend #ecommerce #images

5 min read

eliasfischer8351

Aug 12

A Tenant-Cost Test of One-Key Chatbot API Fallback Models

#go #ai #backend #saas

7 min read

eliasfischer8351

Aug 10

Ledger-Grade Controls for Image Generation When Prompt Safety Needs Chat JSON

#imagegeneration #promptsafety #backendarchitecture

7 min read

eliasfischer8351

Aug 8

Auditable API Routing Beyond Cost per Token: Caching, Batch, and Regional Risk

#llmgateway #costaccounting #regionalrouting

6 min read

eliasfischer8351

Aug 4

Feature Flag Rollback After a Failed Node.js Release: Error-Rate Metrics Example

#observability #node #featureflags

8 min read