Hello, I'm Tarik
Co-Founder of n3tz | Full Stack Developer | AI Expert & Pioneer

As the co-founder of n3tz and an innovation-focused developer, I specialize in architecting cutting-edge prototypes and AI-driven solutions that transform futuristic concepts into production-ready applications. My expertise spans JavaScript, React.js, Vue.js, Node.js, Python, AI language models, multi-agent architectures, and advanced machine learning frameworks. From enterprise AI platforms processing 10,000+ documents to self-hosted SaaS products with DSGVO-compliant voice agents — I build what others plan. Based in Saarland, serving the Greater Region and beyond.

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See My Resume

What I offer

AI/ML Engineer specializing in Enterprise AI Solutions, RAG Pipelines, and Multi-Agent Systems. I build intelligent applications that leverage cutting-edge LLM technologies to solve complex business challenges at scale.

⚡ Building Enterprise AI Solutions with AWS Bedrock, RAG Pipelines, and Multi-Agent Orchestration Systems

⚡ Architecting Conversational AI Platforms with Real-Time WebSocket Communication and Intent Classification

⚡ Developing Full-Stack Applications with React, Vue.js, TypeScript, and Serverless AWS Backends

⚡ Implementing LLM-Powered Features including Document Intelligence, Semantic Search, and NLP Processing

⚡ Creating Blockchain Applications with Smart Contracts, DeFi Protocols, and Web3 Integration

⚡ Engineering Scalable Cloud Architectures with AWS Lambda, DynamoDB, Terraform, and Kubernetes

Proficiency

AI & Automation
100%
Frontend/Design
100%
Backend
100%
Programming
100%
Innovation Prototyping
95%
E-commerce
100%
Mobile Apps
90%
Blockchain / Smart Contracts
90%

Education

Technisch Gewerbliches Berufs-Bildungs-Zentrum 1 Saarbrücken
Specialised Computer Technology Scientist for Application Development
Aug 2016 - Jun 2019

    Fachoberschule Technische Informatik BBZ Völklingen
    Allgemeine Fachhochschulreife
    Aug 2014 - Jul 2016

      Experience

      n3tz
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      Co-Founder & Software Architect
      Jan 2025 - Present
      • Built a full SaaS platform from zero: KI-Empfang (AI receptionist), KI-Telefonassistent (voice agent), online booking, e-invoicing (ZUGFeRD), and a real-time dashboard — self-hosted on Hetzner, DSGVO-konform.
      • Engineered a production voice agent with LiveKit Agents (Python), Azure Neural TTS, multi-language STT, and real-time SIP telephony integration — answering calls 24/7 for SMBs.
      • Developed the full infrastructure: Docker Compose on Hetzner, Caddy reverse proxy, Cloudflare CDN/DNS, self-hosted monitoring (GlitchTip + Uptime Kuma), automated Postgres backups to R2.
      • Built the Astro landing site scoring 100/100 on all Lighthouse categories with WebMCP agent integration, structured data (6 schema types), and multilingual SEO (DE/EN/FR).
      QUERPLEX GmbH
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      Full Stack Developer & AI/ML Engineer
      Apr 2024 - Present
      • Architected enterprise AI document intelligence platform processing 10,000+ corporate governance documents with RAG pipelines on AWS Bedrock, multi-agent orchestration (LangChain), OpenSearch vector store, and comprehensive automated test suites.
      • Developed multi-agent conversational AI platform for a major enterprise client: Conversation Router, Experience Agent, Product Agent, NBA Agent, and Fallback — real-time customer interactions via WebSocket, deployed on AWS with CloudFront CDN.
      • Built AI-powered personalized dashboard generation system using multi-agent architecture with Claude 3, persona-based content personalization, React 18 frontend with Framer Motion, and Terraform-managed infrastructure.
      • Spearheaded frontend development for enterprise marketplace UI serving millions of end-users — React, Vue.js, TypeScript, Material UI, with focus on scalability and enterprise architecture patterns.
      elunic AG
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      Lead Developer
      Apr 2023 - Mar 2024
      • Developed and adapted bespoke software solutions using Angular and NestJs, successfully meeting the unique requirements of over 7 clients.
      • Oversaw and directed numerous projects, concentrating on tailoring proprietary product to align with unique client requirements.
      • Led teams of up to 10 members, reviewed code, and directly interacted with clients.
      • Orchestrated full-stack development using Angular and NestJs, and streamlined deployment processes utilizing Docker, Kubernetes, Terraform, and Azure.
      • Developed enterprise-level PWA podcast application with offline capabilities and optimized performance.
      • Engineered full-stack solutions with React/Vue.js frontends and serverless AWS backends deployed via infrastructure-as-code.
      LendeXe Finance
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      Lead Software Engineer
      Nov 2021 – Mar 2023
      • Forked and significantly enhanced an existing lending protocol's Smart Contracts through strategic planning and crafting of audit-ready code.
      • This initiative landed a total value locked of $650,000 and secured a 20% market share in its niche within three months.
      • Strategically orchestrated the entire system architecture from scratch, making pivotal decisions for all system services and modules. This approach not only ensured a seamless and secure execution but also significantly enhanced system performance and scalability, contributing to the project's overall success.
      • Directed a team of five developers, surpassing coding milestones 15% ahead of schedule and improving sprint efficiency by 25%.
      • Implemented comprehensive automated tests for Smart Contracts and full-stack components, enhancing code quality and reliability.
      • Innovatively leveraged AWS cloud services for efficient code deployment and engineered a Python-based tool for NFT generation, contributing to enhanced system performance and the creation of over 5,000 unique NFTs.
      Integr8 media GmbH
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      Software Engineer
      Aug 2021 – Mar 2022
      • Engineered AI-driven conversational chatbots using RASA/BotKit frameworks, achieving 95% intent classification accuracy and handling 10,000+ monthly user interactions across multiple enterprise clients.
      • Implemented NLP pipelines for intent recognition, entity extraction, and context management, significantly improving customer support automation and reducing response times by 60%.
      • Automated cloud infrastructure processes for 15+ applications on Microsoft Azure and AWS using Python, enhancing operational efficiency and reducing manual intervention by 70%.
      • Architected and delivered 17 full-stack web applications using Vue.js, Nuxt.js, React.js, Next.js, Express.js, and MongoDB with OAuth2 authentication and Sitecore CMS integration.
      • Developed cross-platform mobile applications using React Native and Firebase Functions, delivering seamless user experiences across iOS and Android platforms.
      N4 Group Germany
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      Full Stack Web Developer
      Apr 2018 – Jul 2021
      • Developed responsive React.Js front-ends and robust Express.Js/Node.Js backends for 25 different projects.
      • Implemented comprehensive automated testing and deployment frameworks, resulting in a 40% reduction in development cycles.
      • Achieved a notable increase in development efficiency and team productivity by employing Kanban and agile methodologies.
      SUMITS Deutschland GmbH
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      Apprentice Web Developer
      Aug 2016 - Mar 2018
      Managed the end-to-end process of developing over 50 websites using WordPress, from creation and design to deployment, including the development of custom plugins to enhance functionality.

        Client Feedback

        EloHeaven - CEO

        Working with Tarik on EloHeaven has been an exceptional experience. His deep understanding of gaming platforms and ability to deliver a comprehensive solution with secure payment processing, real-time tracking, and multi-language support exceeded our expectations. The sophisticated user dashboards he created for both customers and service providers have revolutionized our operations. Tarik's technical expertise and commitment to excellence made EloHeaven the leading gaming services platform it is today.

        Statement Clo. - CEO

        Tarik's expertise in web development has been instrumental in elevating our brand's online presence. His ability to blend innovative design with functional efficiency resulted in a website that not only looks fantastic but also performs exceptionally. His dedication to our project and attention to detail did not go unnoticed. We're grateful for Tarik's contribution to our digital success.

        LendeXe Finance - CTO

        Tarik's ability to quickly grasp complex concepts and translate them into high-quality code has been a game-changer for our project. His commitment to excellence and innovative problem-solving skills have been invaluable in the development of our DeFi lending protocol. We're thrilled to have him on our team and look forward to continuing our collaboration.

        OdinBoost, Inc. - CEO

        It's always a pleasure to work with Tarik, he's been working with me for a couple of years now, taking all the time he can to respond to the customer's requests, doing it as quickly and with the highest standards of quality as possible. Thank you from the bottom of my heart, Tarik.

        MegaEloBoost - CEO

        Thanks to Tarik, our website has become even better than we imagined. With his work, he completely renewed our site, created it from scratch and gave us an incredible increase in traffic. Now our site has high SEO scores and is at the top of organic search results, we would like to thank Tarik for all this devoted work.

        MoriaEloBoost - CEO

        We have been working with Tarik since May 2020. What we have noticed from the very first day of our cooperation is that he is a very professional and hardworking person. In these 2 years, he has quickly solved every problem we have encountered and has been able to keep us happy at all times. We are incredibly pleased to have worked with Tarik, who is the best in his field.

        Projects

        n3tz Empfang | AI Receptionist SaaS

        A full-stack SaaS platform I built from zero: KI-Telefonassistent (voice agent), KI-Chat (website widget), online booking, e-invoicing (ZUGFeRD), review management, and a real-time dashboard. Self-hosted on Hetzner, DSGVO-compliant, serving SMBs in the Saar-Lor-Lux region.

        Key Achievements:
        • Engineered a production voice agent with LiveKit Agents (Python), Azure Neural TTS, multi-language STT (DE/EN/FR), and real-time SIP telephony — answering calls 24/7 autonomously
        • Built the complete infrastructure: Docker Compose on Hetzner, Caddy reverse proxy, Cloudflare CDN, self-hosted monitoring (GlitchTip + Uptime Kuma), automated Postgres backups to R2
        • Developed the Astro landing site scoring 100/100 on all Lighthouse categories with WebMCP browser-agent integration, 6 structured data schemas, and multilingual SEO
        • Created the real-time Next.js dashboard (Zentrale) with Socket.IO, push notifications, Stripe billing, Google Calendar sync, and ZUGFeRD e-invoicing
        • Built the embeddable chat widget (Empfang) with streaming AI responses, rate limiting, tenant isolation, and CORS-secured cross-origin embedding
        Visit Website

        EloHeaven | Gaming Services Platform

        A revolutionary gaming services platform supporting League of Legends, Valorant, and Marvel Rivals. I architected and developed this comprehensive solution from concept to production, establishing it as a leading platform in the competitive gaming industry.

        Key Achievements:
        • Independently architected and developed EloHeaven using cutting-edge technologies including React.js, Node.js, Express.js, MongoDB, and advanced payment gateway integrations
        • Solely responsible for transforming the initial gaming services concept into a scalable, multi-game platform serving thousands of active users globally
        • Implemented sophisticated real-time order tracking system with WebSocket integration, reducing customer support inquiries by 65%
        • Developed comprehensive multi-language support system covering 8 languages, expanding market reach by 200% in international markets
        • Created advanced user dashboards with role-based access control for customers, service providers, and administrators, improving operational efficiency by 80%
        • Achieved 99.9% uptime through robust error handling, automated monitoring, and scalable cloud infrastructure on AWS
        • Integrated secure payment processing supporting multiple currencies and payment methods, processing over $500K in transactions monthly
        Visit Website

        OdinBoost.com

        A leading web-based gaming service platform offering boosting services for popular games like League of Legends and Valorant. I led its complete development and continuous enhancement, transforming it into a market-leading platform.

        Key Achievements:
        • Independently developed OdinBoost using cutting-edge technologies including Vue.js, Nuxt3 with SSR, Express.js, MongoDB, Docker, and DigitalOcean Cloud VPS
        • Solely responsible for transforming the initial concept into a successful and scalable platform, prioritizing seamless transactions and engaging user experiences
        • Achieved monumental performance enhancement, improving PageSpeed Insights score from 60/100 to 100/100 through strategic implementation of Nuxt3 with Server-Side Rendering
        • Drove remarkable 180% increase in organic traffic post-optimization, significantly elevating Google rankings and establishing dominant market presence
        • Continuously revisited and upgraded the platform independently, resulting in heightened client satisfaction and robust market position
        • Implemented advanced SEO optimization achieving 90% SEO score on Seobility, positioning the platform at the top of organic search results
        • Developed sophisticated order management system with real-time progress tracking, reducing customer inquiries by 70% and improving satisfaction rates
        Visit Website

        Statement-clo.de

        A unique online apparel store that underwent a major digital transformation under my leadership. The project focused on elevating the shopping experience and dramatically boosting online sales efficiency through comprehensive platform optimization.

        Key Achievements:
        • Executed complete digital overhaul of Statement-clo's online presence using Shopify Plus with custom Liquid development, resulting in 140% increase in online sales revenue
        • Managed all project aspects encompassing UI/UX design, custom theme development, and backend optimization to deliver an intuitive, visually appealing, and high-converting online store
        • Implemented advanced e-commerce features including dynamic product recommendations, abandoned cart recovery, and personalized shopping experiences
        • Optimized site performance and loading speeds through advanced caching strategies and image optimization, improving Core Web Vitals scores by 85%
        • Successfully propelled 55% rise in customer engagement metrics after the redesign, leading to rapid inventory sell-outs and significantly heightened customer satisfaction
        • Integrated advanced analytics and conversion tracking, providing actionable insights that drove continuous optimization and revenue growth
        • Developed mobile-first responsive design achieving 95% mobile usability score and 40% increase in mobile conversions
        Visit Website

        MegaEloBoost.com

        A premium gaming services platform specializing in competitive game boosting services. I architected and developed this high-performance platform from the ground up, establishing it as a trusted leader in the gaming services industry.

        Key Achievements:
        • Developed comprehensive gaming services platform using Vue.js, Express.js, MongoDB, and advanced cloud infrastructure on DigitalOcean
        • Achieved exceptional SEO performance with 92% score on Seobility through strategic technical SEO implementation and content optimization
        • Implemented sophisticated user authentication and authorization system with role-based access control, ensuring secure transactions and data protection
        • Created advanced order tracking and communication system, enabling real-time updates between customers and service providers
        • Optimized platform performance achieving sub-2-second page load times and 98% uptime through efficient database queries and caching strategies
        • Developed automated email marketing system and customer retention features, increasing repeat customer rate by 60%
        • Integrated multiple payment gateways with fraud detection, processing thousands of secure transactions monthly
        Visit Website

        MoriaEloBoost.com

        A specialized gaming services platform focused on delivering premium boosting services with exceptional customer experience. I led the complete development and optimization of this platform, establishing strong market presence and customer loyalty.

        Key Achievements:
        • Architected and developed full-stack gaming services platform using modern web technologies including Vue.js, Express.js, MongoDB, and cloud deployment solutions
        • Achieved strong SEO performance with 89% score on Seobility, securing top positions in organic search results for competitive gaming service keywords
        • Implemented comprehensive customer support system with live chat integration and ticket management, reducing response times by 75%
        • Developed advanced pricing algorithm and dynamic service offerings based on market demand and seasonal trends
        • Created robust admin dashboard with analytics, user management, and financial reporting capabilities for streamlined business operations
        • Established automated quality assurance processes and service provider vetting system, maintaining 98% customer satisfaction rate
        • Optimized conversion funnel through A/B testing and user experience improvements, increasing conversion rates by 45%
        Visit Website
        Tarik Ermis — Software Architect & AI Engineer

        Want to work with me?

        You can always reach out to me via my social media or directly via mail!

        Saarbrücken, Germany
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