Dave Sng

Backend engineer & API builder. I design dev tools for compliance, data, and security. Building 6 production APIs on RapidAPI. Based in Malaysia.

Kuala Lumpur, Malaysia Joined on Mar 22, 2026 https://dave-api-blog.hashnode.dev

Education

Computer Science

Work

Independent API Developer

Dave Sng

Apr 15

How to Detect and Redact PII in Python Before It Hits Your Database

#python #api #privacy #tutorial

5 min read

Dave Sng

Apr 8

Stop Bad Data Before It Reaches Your Database: API Input Validation Patterns in Python

#api #python #webdev #tutorial

5 min read

Dave Sng

Apr 1

Why 90% of Sanctions Screening Alerts Are False Positives (And How to Fix It with Python)

#python #api #security #tutorial

5 min read

Dave Sng

Mar 25

Why Your Form Validation Is Costing You Users — Fix It With One API Call

#api #webdev #python #tutorial

3 min read

Dave Sng

Mar 25

Why Your Form Validation Is Losing You Customers — And How to Fix It With One API

#api #python #webdev #tutorial

4 min read

Dave Sng

Mar 25

Building a Production-Grade Sanctions Screening System in Python: AML Compliance in 2026

#python #api #compliance #fintech

4 min read

Dave Sng

Mar 24

PII Leakage in LLM Pipelines: Detect and Redact Sensitive Data Before It Escapes

5 min read

Dave Sng

Mar 23

I Saved $186K by Catching One Clause in a Contract — Here's How AI Contract Review Works

#api #python #ai #productivity

5 min read

Dave Sng

Mar 23

Real-Time Energy Supply Risk Monitoring — How I Combined 4 Government Data Sources Into One API

#api #python #data #opensource

4 min read

Dave Sng

Mar 23

How to Auto-Redact PII from User-Uploaded Documents (GDPR Compliant)

#api #python #security #privacy

5 min read

Dave Sng

Mar 23

How to Validate Phone Numbers, Emails, and IBANs in One API Call

#api #python #tutorial #webdev

5 min read

Dave Sng

Mar 23

The Complete Guide to Data Validation APIs in 2026

#api #python #validation #tutorial

4 min read

Dave Sng

Mar 23

DataForge vs Numverify vs Abstract API — Which Data Validation API Is Best in 2026?

#api #python #validation #webdev

4 min read

Dave Sng

Mar 23

Building a KYC Compliance Pipeline in Python: Sanctions Screening + PII Detection

#privacy #python #security #tutorial

5 min read

Dave Sng

Mar 22

I Built an API That Reviews Legal Contracts in Seconds — Here's How It Works

#showdev #ai #api #automation

2 min read

Dave Sng

Mar 22

I Built a PII Detection API So You Don't Have to Parse Aadhaar Numbers with Regex at 2am

2 min read

Dave Sng

Mar 22

Stop Manually Entering Receipt Data — Parse Financial Documents with Python

2 min read

Dave Sng

Mar 22

Stop Paying $50K/Year for Sanctions Screening — Use This API Instead

2 min read

Dave Sng

Mar 22

I Built an API That Fuses 4 Energy Data Sources + AI Into One Endpoint

#showdev #ai #api #data

2 min read

Dave Sng

Mar 22

Stop Juggling 5 APIs for Data Validation — Here's One That Does It All

3 min read

Forem

Dave Sng

Badges

Writing Debut

How to Detect and Redact PII in Python Before It Hits Your Database

Stop Bad Data Before It Reaches Your Database: API Input Validation Patterns in Python

Why 90% of Sanctions Screening Alerts Are False Positives (And How to Fix It with Python)

Why Your Form Validation Is Costing You Users — Fix It With One API Call

Why Your Form Validation Is Losing You Customers — And How to Fix It With One API

Building a Production-Grade Sanctions Screening System in Python: AML Compliance in 2026

PII Leakage in LLM Pipelines: Detect and Redact Sensitive Data Before It Escapes

I Saved $186K by Catching One Clause in a Contract — Here's How AI Contract Review Works

Real-Time Energy Supply Risk Monitoring — How I Combined 4 Government Data Sources Into One API

How to Auto-Redact PII from User-Uploaded Documents (GDPR Compliant)

How to Validate Phone Numbers, Emails, and IBANs in One API Call

The Complete Guide to Data Validation APIs in 2026

DataForge vs Numverify vs Abstract API — Which Data Validation API Is Best in 2026?

Building a KYC Compliance Pipeline in Python: Sanctions Screening + PII Detection

I Built an API That Reviews Legal Contracts in Seconds — Here's How It Works

I Built a PII Detection API So You Don't Have to Parse Aadhaar Numbers with Regex at 2am

Stop Manually Entering Receipt Data — Parse Financial Documents with Python

Stop Paying $50K/Year for Sanctions Screening — Use This API Instead

I Built an API That Fuses 4 Energy Data Sources + AI Into One Endpoint

Stop Juggling 5 APIs for Data Validation — Here's One That Does It All