Niels Leenheer
Co-founder And CTO at Salonhub
Opende, Groningen, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolNiels Leenheer is a co-founder and CTO with 16 years of experience blending UX-driven frontend engineering and pragmatic backend development from his base in Opende, Netherlands. A self-described HTML/CSS guru, he pairs deep browser-quirk knowledge and interface design instincts with solid PHP and JavaScript server-side experience, shipping webapps and Adobe AIR/iPhone web solutions. He has led open-source ad-server work since the early 2000s and continues contributing to niche tooling like an ESC/POS receipt-printer encoder that adds multilingual and QR capabilities. Comfortable switching between pixel-perfect design and low-level printer command implementations, he brings a rare combination of graphic design training and hands-on engineering leadership.
16 years of coding experience
10 years of employment as a software developer
Grafische vormgeving, Grafische vormgeving at Kunstacademie MinervaHogere Informatica Opleiding, Hogere Informatica Opleiding at NHL Hogeschool
Stackoverflow
21reputation
9kreached
1answer
0questions
Github Skills (16)
encode10
javascript10
nodejs10
decode10
encoding10
decoding10
codegen9
utf9
qr-code9
code-generation9
code-generator9
base648
appstore6
iphone6
appstoreconnect6
Programming languages (9)
Github contributions (5)
NielsLeenheer/EscPosEncoder
Nov 2017 - Jul 2021
Create a set of commands that can be send to any receipt printer that supports ESC/POS
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 releases, 34 commits, 16 PRs in 3 years 8 months
Contributions summary:Niels contributed to the development of the `escposencoder` project, which focuses on generating commands for receipt printers. They added support for various features, including Hanzi-based codepages (Simplified Chinese and Japanese), italic text, and text alignment. Furthermore, the user implemented the ability to include raw printer commands and optimized the QR code functionality.
poszplescposprinteresc
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