Available for Projects

Holger Trahe

Senior Systems Architect & Rust Engineer

20+ years building robust systems. Early adopter of Django, Redis, and Elasticsearch (v0 era). From Python pioneer to Rust specialist—I create high-performance libraries with bindings for Python, WASM, PHP, and Java.

RustPythonDjangoFlaskWebAssemblySwift
Get in TouchView CVGitHub
Cross-platform Rust development - Python, WASM, Swift, PHP bindings
20+Years Experience
26Crates Published
4PyPI Packages
4App Store Apps

Services

🐍

Python Web Backends

Django & Flask expert since the early days. REST APIs, ORMs, and production deployments.

🦀

Rust Libraries

High-performance, memory-safe native code with cross-platform bindings.

📱

iOS/watchOS/tvOS

Native Apple platform apps leveraging Swift and Rust.

🌐

WebAssembly

Browser-based apps, benchmarks, and complex C++/Qt ports to WASM.

Projects

gldf-rs

gldf-rs

Complete GLDF format implementation in Rust with cross-platform bindings 8,500+ crate downloads, 31k+ PyPI downloads.

RustWASMPythonPHPJavaiOS
Workspace Crates (4)
gldf-rs
8,500+ crates
Core GLDF parser library
crates.io
gldf-rs-python
31k+ PyPI
Python bindings via PyO3
PyPI
gldf-sign
1,500+ crates
Sign and verify GLDF files
crates.io
gldf_rs_php
1,500+ crates
Native PHP extension
crates.io
Integrations
Java/SpringJNI bindings for Spring integrationOdoo ModuleERP integration using Python bindings
DemoApp StoreTestFlightGitHub
geodb-rs

geodb-rs

High-performance geographic database with flat DB and search blobs.

RustWASMPythoniOSwatchOStvOS
Integrations
geodb-cliCommand-line tool
DemoBenchmarkApp Storecrates.ioPyPIGitHub
eulumdat

eulumdat

Binary file format parser and validator in Rust with Python bindings. Fresh 2025 release.

RustPythonWASM
Integrations
QLumEdit WebC++/Qt editor ported to WebAssembly
Democrates.ioPyPIGitHub
RoomPlanSimple

RoomPlanSimple

iOS LiDAR room scanning app that creates USD 3D models.

SwiftiOSLiDARARKit
App StoreTestFlightGitHub
bitcoin_de

bitcoin_de

Rust implementation of the Bitcoin.de Trading API v4 1,200+ crate downloads.

RustAPICrypto
crates.ioGitHub
TinyTwilioStripe

TinyTwilioStripe

Compact Rust backend for Twilio Video/Audio calls with optional Stripe payments 1,400+ crate downloads.

RustActix-WebTwilioStripe
crates.ioGitHub
l3d-rs

l3d-rs

3D geometry format parser with transformation matrices for WASM/WebGL rendering 1,600+ crate downloads, 126k+ PyPI downloads.

RustPythonWASMWebGL
crates.ioPyPIGitHub
QLumEditWeb

QLumEditWeb

Complex C++/Qt desktop app ported to WebAssembly for browser usage.

C++QtWASM
DemoGitHub
Pillow (Contributor)

Pillow (Contributor)

Contributed to the Python Imaging Library - one of Python's most used packages 5.2B+ PyPI downloads.

PythonOpen SourceContributor
PyPIGitHubDocs

Let's Work Together

Based in NRW, Germany. Available for remote consulting worldwide.

holger@trahe.euGitHubLinkedIncrates.ioPyPI