Jelle Van de Vliet
I build things
& ride far.
I'm Jelle — solution architect by day, serial side-project starter by night. Loves long travels with the motorcycle, a tent, a polaroid camera and my Fuji X-M5. Ideally to the Middle East, with a little detour via Eastern Europe.
Highlighted blog posts
OCT 13, 2026Experimenting with Snowplow Signals on this very website
I put a Snowplow tracker on this blog and pointed Signals at it. This post watches you read it, live, and lets you fake where you came from.
SEP 14, 2026I'm mapping all the Madonnas of Antwerp.
OCT 22, 2024How Prefect (and a Beefy Hetzner Auction Box) Rules Our Price-Tracking Empire
How Prefect orchestrates millions of tracked prices across Bol.com, Walmart and beyond — and the cheap infrastructure that keeps it running.
JUL 27, 2024Polaroids of my "Epic of Gilgamesh" road trip in 2024
A bunch of Polaroids of my road trip to the Middle East and Eastern Europe
AUG 15, 2024I added four famous places to Google Street View
Ur, Uruk and two other legendary places had no Street View imagery — so I strapped on a 360 camera and put them on the map myself.
JUL 14, 2024How to sign a PDF with CAdES into ASICE with a European (Belgian) ID Card.
Signing a PDF into .asice with a Belgian ID card is hell. After a lot of trial and error, here's the way that actually works.
MAY 10, 2024I lost all my camera gear in Iraq
Email me on lost@vandevliet.me, if you know anything about this please.
JUL 27, 2024Polaroids of my Odyssey Trip in 2023
Some of my favorite Polaroids from my road trip in Eastern Europe in 2023
JAN 11, 2023Adding a custom domain to App Runner
AWS App Runner and custom domains don't get along until you know the five steps. Here they are, so you don't lose the afternoon I did.
JUL 27, 2024Polaroids of my Odyssey Trip in 2023
Some of my favorite Polaroids from my road trip in Eastern Europe in 2023
NOV 1, 2020The Queen's Gambit - The final Game: Harmon vs Borgov Analysis
Beth Harmon's final game against Borgov is a real chess game. I played through it move by move to see what the show got right.
MAY 21, 2021Guide: How to use the AliExpress Affiliate API with Nodejs
Having trouble with making API requests to the AliExpress Affiliate API? In this blogpost I explain how to make API calls to the AliExpress API [including code samples!]
MAY 3, 2023I Started a two-wheeled Production House
I'm starting my own motorcycle roadtrip production house.
APR 17, 2018Prank calling people with Twilio
A simple guide on how you can prank call your friends and colleagues with Twilio.
JUL 20, 2019Adding a Belgian Bank Account to App Store Connect
How to add a Belgian Bank account to Apple Developer account in App Store Connect
NOV 1, 2020The Queen's Gambit - The final Game: Harmon vs Borgov Analysis
Beth Harmon's final game against Borgov is a real chess game. I played through it move by move to see what the show got right.
JUL 27, 2024Polaroids of my "Epic of Gilgamesh" road trip in 2024
A bunch of Polaroids of my road trip to the Middle East and Eastern Europe
The builds
JAN 3, 2018 · 1 MIN READ
Scraping for the masses: How I made Scrapely, an extension that will help ANYONE to scrape Facebook, LinkedIn and other websites
Scraping. Everybody does it, but nobody likes to admit it. I've made a Chrome extension that makes it even easier to scrape. Meet Scrapely!
READ →
NOV 25, 2023 · 9 MIN READ
Building Grafiki
Open blogpost about the whole journey of building Grafiki, an app that lets you manage your ad campaigns on Quora, Snap, Pinterest, and more.
READ →
AUG 1, 2019 · 6 MIN READ
Making the Mad Men Inflation Calculator
Little insights on how I went about creating the Mad Men Inflation Calculator.
JAN 3, 2018 · 1 MIN READ
Scraping for the masses: How I made Scrapely, an extension that will help ANYONE to scrape Facebook, LinkedIn and other websites
Scraping. Everybody does it, but nobody likes to admit it. I've made a Chrome extension that makes it even easier to scrape. Meet Scrapely!
READ →OCT 22, 2024 · 4 MIN READ
How Prefect (and a Beefy Hetzner Auction Box) Rules Our Price-Tracking Empire
How Prefect orchestrates millions of tracked prices across Bol.com, Walmart and beyond — and the cheap infrastructure that keeps it running.
READ →
AUG 15, 2024 · 4 MIN READ
I added four famous places to Google Street View
Ur, Uruk and two other legendary places had no Street View imagery — so I strapped on a 360 camera and put them on the map myself.
READ →
AUG 1, 2019 · 6 MIN READ
Making the Mad Men Inflation Calculator
Little insights on how I went about creating the Mad Men Inflation Calculator.
The toolbox
TAP A TILE — OR SPIN ME LIKE A DJ
Case study
WHEN A €40 EXPERIMENT GOT ME
111.000
VIDEO VIEWS (AND 6K COMMENTS)
READ THE STORY →All entries
●6 MIN READLATEST
Experimenting with Snowplow Signals on this very website
I put a Snowplow tracker on this blog and pointed Signals at it. This post watches you read it, live, and lets you fake where you came from.
SIDE PROJECT
Mad Men inflation calculator
draw a 1960s amount, get 2026 dollars
●2 MIN READ
I'm mapping all the Madonnas of Antwerp.
SIDE PROJECT
Every single location mentioned in Mad Men
every place named in the show, on one map
●2 MIN READ
IPXO Review: Is IPXO the worst IP company ever?
The onboarding flow with IPXO was nothing short of disastrous. I wrote this blogpost to warn people for it.
SIDE PROJECT
Madonnas of Antwerp
every Madonna statue in the city, mapped
●3 MIN READ
Let’s Put Your Space on the Map (Literally)
Added a new business model: helping museums and open spaces to create 360 videos, upload it to Google Street View as a way to connect with (future) visitors.
●4 MIN READ
One Entity, Five Pillars: My Open-Builder Roadmap to Multi-Stream Freelancing
The exact blueprint of my freelance ecosystem: five income streams, who they serve, how they earn, and the synergies holding them together.
●4 MIN READ
How Prefect (and a Beefy Hetzner Auction Box) Rules Our Price-Tracking Empire
How Prefect orchestrates millions of tracked prices across Bol.com, Walmart and beyond — and the cheap infrastructure that keeps it running.
●4 MIN READ
I added four famous places to Google Street View
Ur, Uruk and two other legendary places had no Street View imagery — so I strapped on a 360 camera and put them on the map myself.
●3 MIN READ
My 10-Year Fight with a White Whale
Building a profitable price tracking empire has been my white whale since 2016. Let me show you where I'm at now
●36 MIN READ
Polaroids of my "Epic of Gilgamesh" road trip in 2024
A bunch of Polaroids of my road trip to the Middle East and Eastern Europe
●4 MIN READ
Polaroids of my Odyssey Trip in 2023
Some of my favorite Polaroids from my road trip in Eastern Europe in 2023
●5 MIN READ
How to sign a PDF with CAdES into ASICE with a European (Belgian) ID Card.
Signing a PDF into .asice with a Belgian ID card is hell. After a lot of trial and error, here's the way that actually works.
●3 MIN READ
I lost all my camera gear in Iraq
Email me on lost@vandevliet.me, if you know anything about this please.
●9 MIN READ
Building Grafiki
Open blogpost about the whole journey of building Grafiki, an app that lets you manage your ad campaigns on Quora, Snap, Pinterest, and more.
●5 MIN READ
I Started a two-wheeled Production House
I'm starting my own motorcycle roadtrip production house.
●1 MIN READ
Adding a custom domain to App Runner
AWS App Runner and custom domains don't get along until you know the five steps. Here they are, so you don't lose the afternoon I did.
●2 MIN READ
Updating Github CLI with a personal access token on MacOSX
A short guide on how to get a personal access token from Github, how to add it to your terminal so you can keep git pushing all that code you wrote 👨💻
●2 MIN READ
My greatest chess games
Not the highest-level chess you've ever seen, but games that made me cheer like I won the Candidates or tilt like I lost my savings at roulette.
●3 MIN READ
Guide: How to use the Walmart Affiliate API with NodeJS
Signed requests, keypairs, and one bumpy road from developer account to first API call — everything I wish I'd known before building Waltrack.
●5 MIN READ
Guide: How to use the AliExpress Affiliate API with Nodejs
Having trouble with making API requests to the AliExpress Affiliate API? In this blogpost I explain how to make API calls to the AliExpress API [including code samples!]
●12 MIN READ
The Queen's Gambit - The final Game: Harmon vs Borgov Analysis
Beth Harmon's final game against Borgov is a real chess game. I played through it move by move to see what the show got right.
●1 MIN READ
React Native logs coming from instrument.js
Get "instrument.js" as source file in your Chrome Debugger when logging things from React Native? Update your blackbox settings to fix this.
●2 MIN READ
Making Apple Authentication work with Firebase Auth in React Native (Expo)
Apple forces Sign in with Apple once you offer Facebook login. Getting it to work with Firebase Auth in React Native cost me hours — this saves you them.
●4 MIN READ
Filterlist, my second iOS app, is live - and I'm falling in love with React Native
I created the first Instagram filter discovery app! Here's how I've done it.
●6 MIN READ
Making the Mad Men Inflation Calculator
Little insights on how I went about creating the Mad Men Inflation Calculator.
●1 MIN READ
Adding a Belgian Bank Account to App Store Connect
How to add a Belgian Bank account to Apple Developer account in App Store Connect
●3 MIN READ
40 euros and 111,000 video views later: using the autoresponder bot to outperform ANY Facebook ad you've ever ran
How I spent 40 euros and the autoresponder Facebook bot to amass 110k+ video views, 126k+ organic reach and 2.7k+ comments.
●5 MIN READ
How to make a Bot that automatically responds to comments on Facebook
Want to know how to make a FB bot that auto-responds to comments? Here you go! (Including code)
●2 MIN READ
Prank calling people with Twilio
A simple guide on how you can prank call your friends and colleagues with Twilio.
●4 MIN READ
Follow along: building an app that recognises beers 🍺
Follow me along the journey of building a mobile app that recognises different bottles of beers. This blogpost will be updated every time there is a breakthrough.
●1 MIN READ
Scraping for the masses: How I made Scrapely, an extension that will help ANYONE to scrape Facebook, LinkedIn and other websites
Scraping. Everybody does it, but nobody likes to admit it. I've made a Chrome extension that makes it even easier to scrape. Meet Scrapely!
●2 MIN READ
Filling 10.000s of Bol.com carts since November 2015
Overview of 2 years filling Bol.com shopping carts.
