Christopher K.-Senior Full-Stack & AI Software Engineer
Check rate
Experience
Full-Stack Software Developer
Ubitec GmbH
- Contributed to KIPITZ, a sovereign AI deployment and app platform for the public sector (main client: ITZBand).
- Implemented advanced AI applications (RAG systems, TTS, STT) and production code for large-scale LLM deployments.
- Further developed a complex microservice architecture, primarily with Python (Django), TypeScript, RabbitMQ, and vLLM.
Software Developer
Loxone
- Contributed to the comprehensive rewrite of the cross-platform Loxone smart home app using React Native and TypeScript, adding functionality and improving the user experience.
- Worked closely with the app team and other departments to deliver new features.
- Led the introduction of robust testing and monitoring frameworks and code quality best practices, significantly improving the app's reliability and maintainability.
Software Developer
SUPPLiot GmbH
- Developed and deployed Odoo ERP systems for clients in Austria to digitize their business processes.
- Translated business requirements into technical specifications in collaboration with the product team and stakeholders.
Co-Founder and Lead Developer
Konzierge
- Built and operated a B2B SaaS platform that helped law firms automate their contract workflows.
- Developed a complex REST API backend and an installable, cross-platform desktop application (Electron) for Windows, macOS, and Linux.
- Set up a Docker-based CI/CD pipeline that fully automated development, testing, and deployment across multiple codebases.
Freelance Software Developer
Self-employed
- Developed custom Shopify integrations to automate key business processes for SMEs.
- Developed custom accounting and workflow software for business clients.
- Developed a contract automation application for a law firm, which became the foundation for Konzierge.
Administrative & Apple Certified Technician
Apple
- Coordinated a team of technicians covering the entire Apple product range.
- Managed escalations and diagnosed hardware and software issues under time pressure.
Founder
ethnews.de
- Technical articles and an educational platform about the Ethereum blockchain.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Government and Administration, Professional Services, Retail, Education, and Media and Entertainment.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, and Customer Service.
Summary
Self-taught Full-Stack Engineer with over 5 years of production experience in end-to-end development with Python (Django), TypeScript, React, React Native, and AI/LLM technologies. Played a key role in KIPITZ, a sovereign AI platform for public administration (largest client: ITZBand). Contributed to the rewrite of the Loxone smart home app. Co-founded and served as Lead Developer of the LegalTech SaaS Konzerts. My focus is on end-to-end ownership, automation, maintainability, and clean microservice architecture. I deliver high-quality code independently or as part of a client team.
Skills
- Programming Languages: Python, Typescript
- Backend And Architecture: Django, Rest Apis, Microservices, Rabbitmq
- Databases: Postgresql, Mongodb
- Frontend, Mobile, And Desktop: React, React Native, Electron (Windows, Macos, Linux)
- Ai And Llm Engineering: Llm, Vllm, Rag Systems, Langgraph, Openai Apis, Mcp (Model Context Protocol), Pytorch, Hugging Face, Speech-To-Text (Stt), Text-To-Speech (Tts)
- Devops And Cloud: Azure, Docker, Kubernetes, Ci/Cd Pipelines, Infrastructure As Code, Linux Server Operations, Git, Github
- Quality: Testing And Monitoring Frameworks, Code Quality, Maintainability
- Erp And Integrations: Odoo Erp, Shopify Integrations
- Smart Home And Building Automation: Loxone Config, Plc Programming, Knx, Modbus, Sensors And Actuators, Microcontrollers, Home Automation
- Ways Of Working: Independent Ownership, Stakeholder Communication, Teamwork, Requirements Analysis
Languages
Education
Self-study
Software development
Prokopp GmbH
Apprenticeship completion as a druggist
Certifications & licenses
Apple Certified Technician
Apple
Loxone Master Training
Loxone
Statistics
Experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Christopher is based in Linz, Austria and prefers 100% remote projects.
Christopher speaks the following languages: German (Native), English (Advanced).
Christopher has at least 9 years of experience. During this time, Christopher has worked in at least 6 different roles and for 7 different companies. The average length of individual experience is 1 year and 4 months. Note that Christopher may not have shared all experience and actually has more experience.
Based on recent experience, Christopher would be well-suited for roles such as: Full-Stack Software Developer, Software Developer, Co-Founder and Lead Developer.
Christopher's most recent position is Full-Stack Software Developer at Ubitec GmbH.
In recent years, Christopher has worked for Ubitec GmbH, Loxone, SUPPLiot GmbH, Konzierge, and Self-employed.
Christopher is most experienced in industries like Information Technology, Government and Administration, and Professional Services. Christopher also has some experience in Retail, Education, and Media and Entertainment.
Christopher is most experienced in business areas like Information Technology, Product Development, and Customer Service.
Christopher has recently worked in industries like Information Technology, Government and Administration, and Professional Services.
Christopher has recently worked in business areas like Information Technology, Product Development, and Customer Service.
Christopher attended Self-study for Software development.
Christopher has 2 certificates. These include: Apple Certified Technician and Loxone Master Training.
Christopher is immediately available full-time for suitable projects.
Daily rate distribution
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Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 5 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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