lukman lukman

less talk, code more.

Jakarta, Indonesia Joined on Sep 2, 2025

Education

Bachelor of Computer Science in Informatics, Jayakarta College of Computer Science (STMIK Jayakarta)

Work

Project Manager at PT Techthink Hub Indonesia

lukman lukman

Oct 15

Load Testing: Read the Queue Behind Successful Bookings

#go #testing #performance #softwareengineering

5 min read

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lukman lukman

Oct 14

Circuit Breakers Protect Callers from Failing Dependencies

#go #architecture #testing #softwareengineering

5 min read

lukman lukman

Oct 13

Backward Compatibility Must Survive the Transition

#go #architecture #testing #softwareengineering

6 min read

lukman lukman

Oct 12

Feature Flags: Deploy Code, Control the Release

#go #featureflags #testing #softwareengineering

6 min read

lukman lukman

Oct 11

Production Debugging: Test Hypotheses, Not Guesses

#go #debugging #testing #softwareengineering

5 min read

lukman lukman

Oct 9

Project Estimation: Eight Screens Are Not Eight Days of Work

#backend #softwareengineering #projectmanagement #go

7 min read

lukman lukman

Oct 7

Code Review: When Checkout Success Still Breaks Inventory

#go #backend #testing #codereview

8 min read

lukman lukman

Oct 2

Database Isolation: Why Two Committed Transfers Can Create Money

#go #postgres #database #backend

8 min read

lukman lukman

Sep 30

Observability: Making an Invoice Request Explain Itself

#go #observability #backend #opentelemetry

6 min read

lukman lukman

Sep 30

API Versioning with Separate Invoice Contracts

#go #api #testing #backend

6 min read

lukman lukman

Sep 29

Race Condition on Concurrent Stock Updates

#concurrency #database #backend #softwareengineering

6 min read

lukman lukman

Sep 22

Caching: Why Faster Reads Create Consistency Problems

#redis #backend #go #softwareengineering

7 min read

lukman lukman

Sep 21

Database Transactions Are a Boundary, Not a Safety Blanket

#database #backend #go #systemdesign

5 min read

lukman lukman

Sep 17

Database Index: Why Queries Become Slow as Data Grows

#database #postgres #sql #backend

3 min read

lukman lukman

Sep 15

Making POST Requests Safe to Retry with Idempotency Keys

#softwaredevelopment #softwareengineering #distributedsystems #go

3 min read

DEV Community

lukman lukman

Badges

Writing Debut

One Year Club

Load Testing: Read the Queue Behind Successful Bookings

Want to connect with lukman lukman?

Circuit Breakers Protect Callers from Failing Dependencies

Backward Compatibility Must Survive the Transition

Feature Flags: Deploy Code, Control the Release

Production Debugging: Test Hypotheses, Not Guesses

Project Estimation: Eight Screens Are Not Eight Days of Work

Code Review: When Checkout Success Still Breaks Inventory

Database Isolation: Why Two Committed Transfers Can Create Money

Observability: Making an Invoice Request Explain Itself

API Versioning with Separate Invoice Contracts

Race Condition on Concurrent Stock Updates

Caching: Why Faster Reads Create Consistency Problems

Database Transactions Are a Boundary, Not a Safety Blanket

Database Index: Why Queries Become Slow as Data Grows

Making POST Requests Safe to Retry with Idempotency Keys