Yannick S. - Freelance IT Consultant/Advisor

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Gross-Umstadt, Germany

Experience

Feb 2024 - Jul 2024

6 months

Freelance IT Consultant/Advisor

Deutsche Glasfaser

SDKs, System Integration, System Architecture, API Contracts, Salesforce, ServiceNow, SAP
Led the integration process of multiple systems across agencies in Germany and India
Advised on API contract design process

May 2023 - Nov 2023

7 months

Freelance IT Consultant/Advisor

SCAYLE

Backend, Frontend, SDKs, Documentation, Technical Writing, Architecture
Identified and connected missing links between the company’s public SDKs to create an intuitive, comprehensive developer experience

Mar 2023 - Present

2 years 8 months

Hands-on AI Strategy Consultant

NextStep KI Consulting

LLMs, Vercel AI SDK, Letta, ChromaDB, §203 compliant AI solutions, Chatbots, RAG solutions, Knowledge Graphs, Agentic Workflows
Help DACH companies integrate the use of Generative AI into their workflows through a 6-week program from initial meeting to prototyping and full integration strategy
Measure and optimize KPI improvements without hype

Mar 2023 - May 2025

2 years 3 months

Co-Founder & CTO

Deep Planning

React, NextJS, LLMs, DevOps, Supabase, Vercel
Built the tech of an AI-powered SaaS matching designers' needs with construction supply industry solutions by synchronizing design and sales processes
Authored tech-related business plan and business case including team and tooling requirements and cost calculations

Jul 2021 - Present

4 years 4 months

Board-member & CTO

Digital Dignity e.V.

Tech Lead, Project Manager, Solutions Architect, Agile
Develop impact-first tech solutions and shape tech policy in Europe
Provide a community for safer internet advocacy
Responsible for developing innovation concepts, advising, leading and recruiting tech volunteers
Write tech funding applications and manage the organization's infrastructure
Pioneer software solutions

Jun 2020 - Dec 2024

4 years 7 months

Co-Founder & CTO

deepinsights.tech

Tech Lead, Time series database & AI, Node.js, Kubernetes, spot.io
Built a Google Trends–style platform for Amazon marketplaces to provide vendors with insights into customer needs based on keywords

Jan 2019 - Present

6 years 10 months

Co-Founder & CTO

Am I In Porn?

Tech Lead, Backend, Frontend, DevOps, Full-Stack, UI/UX
React, Node.js, Python, AWS ECS, Kubernetes, Ruby on Rails, PostgreSQL, Microservices, Cloud Architecture, MongoDB, Artificial Intelligence, Apache Solr, Redis
Co-founded and led the development of a search engine based on face recognition to fight non-consensual pornography and image-based sexual abuse
Built and integrated product, frontend, backend, auto-scalable cloud infrastructure, test-driven development, and scalable AI as sole technical lead

Nov 2017 - Oct 2018

1 year

Co-Founder & CTO

Urpantry

React Native, Ruby on Rails
Developed Android and iOS apps to help users track pantry goods and automate repetitive grocery orders

Jul 2017 - Dec 2018

1 year 6 months

Germany

Freelance Software Engineer & IT Consultant/Advisor

XING

Backend, Frontend, Full-Stack, React, Ruby on Rails, Ruby
Advised and designed a modular React ecosystem to migrate the profile page from Ruby on Rails to a new tech stack
Developed as frontend engineer and later as backend engineer

Mar 2017 - Jul 2017

5 months

Germany

Freelance Software Engineer

ABOUTYOU

Frontend, React, TypeScript
Assisted the team in migrating the shop frontend to a new tech stack

Nov 2013 - Apr 2015

1 year 6 months

Co-Founder

Solon

Backbone.js, Angular, Ruby on Rails, Docker, Heroku, Material Design
Built a collaborative music player web app with democratic playlist voting and an abstraction library integrating YouTube, SoundCloud, and Vimeo

Jun 2013 - Apr 2014

11 months

Germany

Project Lead Frontend Development

ABOUTYOU

Tech Lead, Frontend, PHP, JavaScript, CSS, jQuery, Backbone.js
Established the first frontend development department for the online shop
Hired, built, and led a team of developers for initial iterations

Summary

I am an optimistic, open-minded creator with a passion for building—whether in technology, art, or hands-on projects. Self-taught and solutions-oriented, I thrive on turning ideas into reality across digital and physical domains.

Outside of tech, I enjoy woodworking, painting, music, and the ongoing renovation of my old farmhouse. I also have a love for travel and adventure, often working remotely from my restored Volkswagen van.