Available for new opportunities

Hello, my name is Yannic Inselmann.

I am a senior software developer at kolum, Freelancer and always curious for challenging sideprojects.

Yannic Inselmann
Selected Works

Featured Projects

Partymate Preview
Backend & Mobile
REACT NATIVEAWS

Partymate

Social network for party fans with real-time features and a mobile app for iOS and Android.

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Binckebanck.com Preview
Blog
WORDPRESSPHP

Binckebanck.com

A simple and reliable project for Prof. Dr. Lars Binckebanck. Focused on static pages and a blog built around WordPress.

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Memory Machine Preview
Frontend
REACTUNITY

Memory Machine

A digital experience providing knowledge about the holocaust through interactive storytelling.

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Sonq Preview
Fullstack
NEXT.JSNODE

Sonq

A song quiz to find out which of your friends can identify the most songs by ear.

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Reverb Ordermanager Preview
Fullstack
NODEDHL API

Reverb Ordermanager

Shipping automation for a musical instrument builder integrating Reverb marketplace and DHL APIs.

Spicy Chances Preview
Frontend
REACTCSS

Spicy Chances

A website for my personal music project Spicy Chances — a starting point for more features in the future.

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JPTRFX.com Preview
E-Commerce
SHOPIFYLIQUIDTS

JPTRFX.com

Migrated an existing online shop to Shopify, including custom theme and app extensions.

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Recent Highlight

Invocraft: Enterprise Billing at Scale

A lightweight invoicing app — my personal take on it, used day to day by a few friends and me.

Invocraft
Core Capabilities

The Stack

Languages

TypeScriptSQLJavaKotlin

Frontend

ReactNext.jsTanstackTailwind CSSZustand

Backend

Node.jsBunExpressFastifyNest.jsPostgreSQLRedisGraphQLREST APIs

Tools

GitFigmaSentryPrometheusLinearAI

Testing

VitestCypressPlaywrightTesting Library

Infrastructure

AWSIaC w/ PulumiKubernetesCoolifyCI/CD PipelinesDocker

Mobile

React NativeExpoAndroid
Get in Touch

Let's build something extraordinary.

Whether you have a specific project in mind or just want to talk about system architecture, my inbox is always open.

~Hamburg, Germany