Freelancer profile translated to English.
Back to original languageAbout Justin
Do you need a developer who not only writes code but also thinks along, delivers quickly, and truly understands modern technologies? I build full-stack web applications, scalable APIs, and AI-powered systems, from the initial concept to the finished, deployed product.
I started programming independently at the age of 16. Since 2023, I have been working professionally on real projects and SaaS products. I have independently conceived, developed, and launched several products, and therefore know exactly what matters in real projects: clean architecture, fast implementation, and results that work.
I specialize in projects involving modern web applications with Next.js and React, API development and cloud infrastructure on Cloudflare Workers and Vercel, AI and LLM integration (OpenAI, Claude, local models), automation and workflow systems, as well as data protection-compliant and security-oriented SaaS architectures.
What makes me special: I use AI tools strategically to deliver high-quality results in a short time. Rapid prototyping is not just a statement for me, but lived practice. From idea to MVP in a few days is not a promise with me, but standard.
German
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- EncravaFull-Stack Developer & SaaS FounderNovember 2024 - Today (1 year and 9 months)Independent development and release of several SaaS products, including a privacy-focused platform with end-to-end encryption and an AI-powered product scanner. Responsible for complete product development from architecture, backend, and frontend to deployment and infrastructure with Next.js, React, Cloudflare Workers, and Vercel.
- FreiberuflichFreelance Web & AI DeveloperAugust 2022 - Today (4 years)Implementation of client projects in the areas of full-stack web development, API integration, and AI automation. Focus areas: LLM integration with OpenAI and Claude, workflow automation, and backend systems with a focus on scalability and security.
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Education
- IT specialistBBS Betzdorf-Kirchen2023Berufsausbildung zum Fachinformatiker mit Schwerpunkt auf Softwareentwicklung, Netzwerktechnik und IT-Systemadministration. Inhalte umfassten unter anderem objektorientierte Programmierung, Datenbankdesign, Netzwerkinfrastruktur sowie Projektmanagement nach gängigen IT-Standards. Parallel zur Ausbildung habe ich eigenständig tiefgehende Kenntnisse in modernen Webtechnologien, Cloud-Infrastruktur und AI-Integration aufgebaut, die weit über den Lehrplan hinausgehen.