Slack
slack.engineering
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Overview
News
Technologies
Salaries
Products
People
Growth
Jobs
Financials
Overview
A deep dive into the technology behind building Slack. Written by engineers, for engineers passionate about solving complex technical problems.
News
Use shortcuts to take actions in Slack
Use shortcuts to quickly take actions - such as using an app or running a workflow - in Slack. Type a forward slash followed by the name of the shortcut, slash command or workflow that you'd ...
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a16z (@a16z) on X
.@bhorowitz on how a game studio turned it's last $6 million into Slack:"Stewart calls me. He says, 'Ben, I've got $6 million left. I have no way to raise money because I've made really no progress. So I've got three choices. I can pray for rain and try a
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GitHub - CopilotKit/channels-sdk: The open-source SDK for bringing any agent into any chat platform: Slack, Microsoft Teams, Discord, Telegram - with native, Interactive UI.
The open-source SDK for bringing any agent into any chat platform: Slack, Microsoft Teams, Discord, Telegram - with native, Interactive UI. - CopilotKit/channels-sdk
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Jido Assembly: A Slack clone built with Jido and Hologram
An architecture case study of a Slack clone built with Jido Agents, Jido Messaging, Jido Chat, Hologram, and the BEAM.
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Technologies
Tech DNA
Python
Scala
TypeScript
React.js
PyTorch
TensorFlow
Presto
AWS
Amazon EC2
Azure
AI/ML
Python
Scala
SQL
AI Agents
Agentforce
AWS
Fine-tuning
JAX
Multimodal AI
NLP
ONNX
PyTorch
Quantization
RAG
TensorFlow
TensorRT
Airflow
Hadoop
Spark
Flink
Knowledge Graph
Recommender Systems
Amazon EC2
CI/CD
Terraform
Azure
GCP
WebSockets
IAM
Amazon S3
Platform Engineering
Presto
Security
JavaScript
Ruby
FedRAMP
Nessus
Wiz
Other
TypeScript
Java
Kotlin
PHP
Salesforce
Slack
React.js
Jetpack Compose
Redux
ETL/ELT
A/B Testing
Stack modernity
71/100
How modern this stack is, based on technology relevance, AI adoption and the share of legacy tools.
In-demand technologies
Salesforce
6 jobs
Required
$314k
+67% vs market
Slack
6 jobs
Required
$314k
+69% vs market
AI Agents
6 jobs
Required
$314k
+42% vs market
Agentforce
6 jobs
Required
$314k
+23% vs market
JavaScript
2 jobs
Required
$365k
+128% vs market
TypeScript
2 jobs
Required
$365k
+103% vs market
React.js
2 jobs
Required
$365k
+103% vs market
Python
2 jobs
Required
$287k
+59% vs market
Salary medians are calculated from this company's open jobs and compared with the market.
Stack changes
ETL/ELT
Aug 2026
Amazon S3
Aug 2026
A/B Testing
Aug 2026
IAM
Aug 2026
Recommender Systems
Aug 2026
Knowledge Graph
Aug 2026
Agentforce
Aug 2026
Flink
Aug 2026
Technologies recently added to or removed from this company's stack - a signal of tech migrations and new initiatives.
Jobgether
Salesforce
Booz Allen Hamilton
Adobe
Leidos
CrowdStrike
Salary insights
Compensation ranges based on this company's open jobs
Median
$314k
Typical range
$260k – $365k
Open positions
5
5
Jobs
Senior
40%
Staff
60%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Senior | 2 | $260k | $260k |
| Staff | 3 | $365k | $314k – $365k |
Highest paying role
Sr. Staff Software Engineer, Android
$365k
Normalized to USD per year
Growth
Hiring Momentum
90/100
Scaling fast
Open positions
6
4 opened / 2 closed in 30 days
Median time-to-fill
48 days
faster than 32% of the market
ATS activity
Every ~11 hours
08/31/2026
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Backend
30% ▼
Data Science
20% ▲
Mobile
20% ▼
AI/ML
10% ▲
Frontend
10% ▲
Security
10% ▲
Activity Timeline
New location: United States
Aug 2026
Added ETL/ELT to stack
Aug 2026
Added Amazon S3 to stack
Aug 2026
Added A/B Testing to stack
Aug 2026
Added IAM to stack
Aug 2026
Added Recommender Systems to stack
Aug 2026
Added Knowledge Graph to stack
Aug 2026
Added Agentforce to stack
Aug 2026
Added Flink to stack
Aug 2026
Added WebSockets to stack
Aug 2026
Added Redux to stack
Aug 2026
New location: Washington
Aug 2026
Jobs
$173k – $260k per year • In office • Full-Time • 5+ years exp • PhD • San Francisco • Washington
Python
Scala
SQL
AI Agents
Airflow
Flink
Hadoop
Spark
Agentforce
DevOps
AWS
Azure
GCP
Amazon S3
Analytics
ETL/ELT
Management
Slack
Marketing
Salesforce
Apply
Senior Staff, Software Engineer - Slack Front End Infrastructure
Verified live · 1 day ago 6 days ago$218k – $365k per year • In office • Full-Time • PhD • Atlanta • San Francisco
JavaScript
TypeScript
AI Agents
Agentforce
Frontend
React.js
Redux
DevOps
WebSockets
Management
Slack
Marketing
Salesforce
Apply
$218k – $365k per year • In office • Full-Time • 15+ years exp • PhD • San Francisco
Kotlin
AI Agents
Agentforce
Mobile
Jetpack Compose
Management
Slack
Marketing
Salesforce
Apply
$173k – $260k per year • In office • Full-Time • PhD • San Francisco • Atlanta • Washington
AI Agents
Agentforce
DevOps
Amazon EC2
AWS
CI/CD
Terraform
IAM
Management
Slack
Marketing
Salesforce
Apply
$197k – $314k per year • In office • Full-Time • 5+ years exp • PhD • San Francisco • Atlanta • Washington
Java
PHP
Python
Ruby
Scala
AI Agents
Fine-tuning
JAX
Multimodal AI
NLP
ONNX
PyTorch
Quantization
RAG
TensorFlow
TensorRT
Agentforce
Knowledge Graph
Recommender Systems
Management
Slack
Marketing
Salesforce
Apply
≈ $176k – $330k per year (Estimated) • In office • Full-Time • 10+ years exp • PhD • Atlanta
TypeScript
JavaScript
AI Agents
Agentforce
Frontend
React.js
Management
Slack
Marketing
Salesforce
Apply