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Fullstack Developer

Building intelligent systems for Sovereign AI Hubs.

Fullstack developer specializing in architecting Sovereign AI Hubs for high-compliance environments (Academic, Government, and Regulated Enterprise). My mission is to bridge the gap between advanced AI capabilities and strict digital sovereignty mandates. I design robust backends, craft seamless frontends, and integrate cutting-edge AI systems. From prototype to production.

Full Stack Expertise

Developer profile Passionate Developer

I combine backend infrastructure with intuitive frontend design, all powered by Sovereign AI capabilities.

With expertise across the full stack, I transform complex problems into elegant solutions. From designing scalable APIs to building responsive interfaces, every project is built with precision, performance, and AI-driven innovation at its core.

I don't just write code — I architect systems. Whether you need a sophisticated backend infrastructure, a modern web application, or full-stack solutions enhanced with AI, I deliver production-ready results that scale.

Core Technologies

Backend

Node.js, Python, PostgreSQL

Frontend

React, Next.js, TypeScript

AI/ML

Sovereign AI Hubs, LLMs

DevOps

Docker, Kubernetes, AWS

Backend Mastery

Scalable, robust server architecture

I design and build enterprise-grade backends using Node.js and Python. RESTful APIs, microservices, real-time systems — all optimized for performance, security, and scale. Database design with PostgreSQL, caching strategies, and async processing that handles millions of requests.

API Performance Optimized

Request latency <50ms

P99 performance

Database queries optimized

Indexed & cached

Load balancing active

Horizontal scaling

Security hardened

Auth & encryption

UI Metrics Excellent

98%

User satisfaction

PerformanceLighthouse 95+
AccessibilityWCAG AAA
SEOOptimized

Frontend Excellence

Modern, responsive user interfaces

React and Next.js are my tools for crafting beautiful, performant frontends. TypeScript for type safety, Tailwind for rapid iteration, animations for delight. Every pixel is intentional. Every interaction is smooth. Every component is reusable and maintainable.

AI Integration

Powered by Sovereign AI Hubs

I specialize in integrating cutting-edge AI capabilities into applications. Sovereign AI Hubs provides the infrastructure for intelligent features — from natural language processing to predictive analytics. I bridge the gap between AI potential and production reality, building systems that are fast, reliable, and easy to maintain.

AI Capabilities Active
99.2% Accuracy
NLP Models
Integrated
LLM APIs
Connected
RAG Systems
Deployed
Fine-tuning
Available
Recognition & Credentials

Certifications & Expertise

Continuous learning in AI, machine learning operations, and modern development practices from leading institutions.

Google AI Professional Certificate

Google

Apr 2026

Fluent in AI with demonstrated ability to apply AI across brainstorming, research, communication, content creation, data analysis, and coding. Portfolio of 20+ artifacts and custom AI solutions built.

ID: CROGHBV6O52Y

AI Agents with Model Context Protocol

Vanderbilt University

Apr 2026

Expertise in agentic systems and Model Context Protocol (MCP) implementation for advanced AI applications.

ID: H9F66LWTACP8

AI Foundations for Business Specialization

Saïd Business School, University of Oxford

Mar 2026

Specialization in RAG, Large Language Modeling, and enterprise AI applications for business context.

ID: NM9PA77QZ4JW

AI Governance

Saïd Business School, University of Oxford

Mar 2026

Expertise in AI security, auditing, and governance frameworks for responsible AI deployment.

ID: H32LTC0RHW96

AI Essentials

Saïd Business School, University of Oxford

Mar 2026

Foundation in responsible AI practices, supervised learning, and core AI concepts.

ID: BLFED5A2B1W9

AI for App Building

Google

Mar 2026

Practical skills in integrating AI capabilities into applications and production systems.

ID: GRDRQ24HN6OU

AI Fundamentals

Google

Mar 2026

Core concepts and fundamentals of artificial intelligence and machine learning technologies.

ID: YUQTHCOFL3Z1

DevOps, DataOps, MLOps

Duke University

Mar 2026

Expertise in operational excellence across development, data pipelines, and machine learning systems.

ID: 5BSHEZ6J91H1

Python Essentials for MLOps

Duke University

Mar 2026

Python programming skills specifically for machine learning operations and production systems.

ID: NGBVE3MUYGXT

My Journey

From system administration to fullstack for AI-First Architecture.

Two decades of continuous learning and evolution in web technologies, from infrastructure management to sophisticated AI-driven systems.

2015 – Present

Enterprise Architecture & Scalability

Designing and implementing robust MVC/MVVM architectures with Node.js, Python, Laravel for backend systems and modern frontend frameworks like React, Next.js, TypeScript. Focus on unit testing, API design, and building scalable applications capable of handling enterprise-level demands.

2010 – 2015

Mobile Era & Client-Side Processing

Pioneered mobile application development with JavaScript frameworks (jQuery, jQTouch, Sencha). Implemented responsive designs and touch-optimized UIs. Deployed edge technologies including NodeJS and NoSQL databases on dedicated infrastructure.

2005 – 2010

Web 2.0 & Database Systems

Transitioned to backend development with PHP and relational databases. Tackled browser compatibility challenges using ExtJS. Built powerful, dynamic web applications as Web 2.0 standards evolved.

2002 – 2005

Frontend Development & Interactive Media

Mastered HTML and CSS fundamentals. Advanced into ActionScript scripting using Macromedia technologies to create interactive, animated web experiences. Worked extensively with design tools and layout optimization.

1999 – 2002

Foundation: Infrastructure & System Administration

Started as part-time Database Administrator and System/Network Administrator at an industrial processing company during university studies. Built foundational knowledge in infrastructure, data management, and system reliability.

Current Status

I'm currently employed full-time and based in Austria. This portfolio showcases my expertise and passion for fullstack development and AI integration.

Open to Collaboration

Interested in discussing technology, architecture, or AI integration strategies?

  • Technical discussions & feedback
  • Open source collaboration
  • Community & knowledge sharing
  • Limited consultation availability

No paid services available due to current employment.

Get in touch

Want to discuss technology, collaborate on open source, or connect? I'd love to hear from you.

Impressum & Legal Notice

General Information

This portfolio website is a personal project showcasing fullstack development expertise and is maintained for informational and portfolio purposes only.

Employment Status

Currently employed full-time in Austria. This portfolio represents personal work and expertise. No commercial services or paid work are offered through this website. Any inquiries should be directed to the contact form for non-commercial discussion only.

Liability Disclaimer

This website and its content are provided "as-is" without any warranties. The author is not liable for any damages resulting from the use or misuse of information presented on this website. Links to external websites are provided for reference only and do not constitute endorsement.

Intellectual Property

All code examples, projects, and content displayed are owned by the respective copyright holders. Open source projects are shared under their respective licenses.

Impressum (Austrian Law - §5 ECG)

Responsible for Content:
Radu Bighiu
8630
Austria

Contact:
Email: contact@radu.at

Professional Information:
Fullstack Developer | Based in Austria
Currently employed full-time

Data Protection Officer:
Not applicable — this is a personal portfolio without commercial activity.

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