B2B SaaS companies embedding approval workflows, incident response ops, and enterprise RAG knowledge assistants directly inside Slack and Microsoft Teams frequently search to hire a freelance Slack App (Bolt Python/JS) & Microsoft Teams Bot Framework programmer. I am Aldian Fazrihady, a Senior Freelance AI Application Engineer and Full Stack Programmer.

Core Slack & Microsoft Teams App Engineering Capabilities

  • Slack Bolt SDK, Block Kit & Slack AI Assistant Threads: Building interactive Slack Block Kit modals, slash commands, Home Tab dashboards, and native Slack AI split-pane assistant threads with streaming token updates.
  • Microsoft Teams Bots, Adaptive Cards & Graph API: Engineering multi-tenant Azure Bot Service apps, interactive Adaptive Cards, meeting transcription hooks, and SharePoint/OneDrive RAG connectors.
  • Slack Marketplace & Microsoft AppSource Security Review: Passing multi-workspace OAuth V2 token rotation, granular scope justification, and immediate 3,000ms webhook acknowledgment requirements.

Frequently Asked Questions

Why do Slack slash commands fail with `operation_timed_out` when calling an LLM?

Slack requires an HTTP 200 acknowledgment within 3,000 milliseconds. I acknowledge the webhook immediately in under 20ms, offload LLM reasoning to a background worker, and stream updates back via `response_url` or `chat.update`.

How do I hire you for Slack or Microsoft Teams app development?

Hire me via Upwork.


About the Author — Hire Freelance Programmer Aldian Fazrihady

Aldian Fazrihady is a Top-Rated Senior Freelance Programmer, Freelance Full Stack Developer, and AI Application Engineer with 15+ years of production software engineering experience and Google Cloud Professional Cloud Architect & Data Engineer certifications. He specializes in building custom LLM & autonomous AI agents, RAG pipelines, Next.js/React PWAs, Python (Django/FastAPI), Go microservices, and serverless cloud infrastructure on Google Cloud Run and AWS.

Hire Aldian Fazrihady on Upwork | Book 1-Day Programming Service ($100 USD via Polar) | View Live AI Portfolio | Portfolio Directory | Send a Direct Message

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