Can Ceylan

Product builder and investor based in Vienna. Writing about AI, automation, finance, and the gap between how Europe and the US approach markets.

Joined on Apr 4, 2026

Can Ceylan

Apr 29

Two AI agents need one live memory file

#learning #product

2 min read

Can Ceylan

Apr 28

Scheduled publishing without a cron: runtime-evaluated date filters

#learning #backend

2 min read

Can Ceylan

Apr 27

Soft deletes aren't just for audit trails — they're your sales pipeline

#learning #architecture

2 min read

Can Ceylan

Apr 25

Autotest With Social Posts

#techai

1 min read

Can Ceylan

Apr 25

Autotest Race 1

#techai

1 min read

Can Ceylan

Apr 25

Bad slug

#techai

1 min read

Can Ceylan

Apr 25

Autotest Article Page Test

#techai

1 min read

Can Ceylan

Apr 25

Autotest Race 2

#techai

1 min read

Can Ceylan

Apr 25

Autotest Past Scheduled

#techai

1 min read

Can Ceylan

Apr 25

Autotest Round Trip

#techai

1 min read

Can Ceylan

Apr 24

You Don't Need to Code Like a Developer — You Need to Think Like a Product Owner

#techai

8 min read

Can Ceylan

Apr 21

Autotest Workflow Tech Social

#techai

1 min read

Can Ceylan

Apr 20

The Intern Who Outworked the Veteran: Why Codex Fixed in 10 Minutes What Claude Couldn't in 2 Hours

#techai

4 min read

Can Ceylan

Apr 17

Claude Opus 4.7 Is Here. Mythos Is Not. Here's the Difference.

#techai

5 min read

Can Ceylan

Apr 16

I Hit My Claude Limit on a Tuesday. Then I Met Gemini.

#techai

4 min read

Can Ceylan

Apr 14

VCX Fell 80%. Now I Can Actually Buy It — Here's What I'm Thinking

#financeinvesting

4 min read

Can Ceylan

Apr 13

I Asked an AI to Fix My Build. It Took Two Hours and Taught Me Something Uncomfortable.

#techai

4 min read

Can Ceylan

Apr 10

The Strait of Hormuz Is Technically 'Open' — The Market Believes It, The Ships Don't

#financeinvesting

5 min read

Can Ceylan

Apr 8

Booking Holdings After the 10-for-1 Split: Genuine Opportunity or Just Cheaper-Looking Shares?

#financeinvesting

6 min read

Can Ceylan

Apr 6

The AI Short I Thought of Too Late (And Why It Still Makes Sense)

#financeinvesting

5 min read

Can Ceylan

Apr 4

I Caught ChatGPT Mixing Cyrillic Into German Mid-Word. Here's What Actually Happened.

#techai

5 min read

DEV Community

Can Ceylan

Badges

Writing Debut

Two AI agents need one live memory file

Scheduled publishing without a cron: runtime-evaluated date filters

Soft deletes aren't just for audit trails — they're your sales pipeline

Autotest With Social Posts

Autotest Race 1

Bad slug

Autotest Article Page Test

Autotest Race 2

Autotest Past Scheduled

Autotest Round Trip

You Don't Need to Code Like a Developer — You Need to Think Like a Product Owner

Autotest Workflow Tech Social

The Intern Who Outworked the Veteran: Why Codex Fixed in 10 Minutes What Claude Couldn't in 2 Hours

Claude Opus 4.7 Is Here. Mythos Is Not. Here's the Difference.

I Hit My Claude Limit on a Tuesday. Then I Met Gemini.

VCX Fell 80%. Now I Can Actually Buy It — Here's What I'm Thinking

I Asked an AI to Fix My Build. It Took Two Hours and Taught Me Something Uncomfortable.

The Strait of Hormuz Is Technically 'Open' — The Market Believes It, The Ships Don't

Booking Holdings After the 10-for-1 Split: Genuine Opportunity or Just Cheaper-Looking Shares?

The AI Short I Thought of Too Late (And Why It Still Makes Sense)

I Caught ChatGPT Mixing Cyrillic Into German Mid-Word. Here's What Actually Happened.