Abbas Rezaey

Full Stack Developer & AI Engineer

abbas.rezaey@gmail.com Eisenberg, Germany
Angular, PHP (Laravel), Node/Next.js, Java, Python, C++, REST API, AI: RAG, LangChain
Profile photo

Experience

Full Stack Developer & GenAI

RoboConnect
May 2026 – Present Norway · Remote · Self-employed

Ethical UX Builds Long Terms, Builds Trust.

  • Independent full-stack and GenAI delivery: product architecture, implementation, and stable releases.
  • LLM-integrated web applications with clear UX, observability, and pragmatic security.
  • Angular, PHP, Python, RAG, LangChain

Full Stack Developer & AI Engineer

European Asindex
Sep 2025 – Ongoing Eisenberg, Germany

A slow website is a silent business killer.

  • Led full-stack development of the Tansonic App, frontend, backend, and local AI model fine-tuning and LLM integration
  • Full automation of E2E Testing using Cypress
  • Angular, PHP, React, RxJS, NgRx, Node.js, Python, RAG, LangChain

Full Stack Developer

Vetcontrol GmbH
Mar 2024 – Sep 2025 Püttlingen, Germany

Good Design is alot About Clear Thinking Made Visual.

  • Full-stack development of www.PettiPay.de frontend, backend, and REST-APIs, OAuth2 Authentication
  • Full automation of E2E Testing using Cypress
  • Angular, TypeScript, PHP, Azure, Python, REST API, OAuth2, Cypress

Technical Web Developer

Metrophon Distributions AG
Mar 2023 – Mar 2024 Balzers, Liechtenstein

Simplicity is the ultimate sophistication.

  • Full stack development of a radio station and media workflows frontend pages, server-side scripts and content delivery improvements.
  • HTML, CSS, JavaScript, PHP, Python, Node.js, Java, OAuth2, AWS

Web Application Developer

Europe Conflict and Security Consulting Ltd.
Mar 2022 – Mar 2023 Surrey, UK

A slow website loses 94% users in first few seconds of visit.

  • Led development of the Oh-Boi.com app front & backend, AI Assistance Integration
  • Established API connection, with APP and World Bank, TED, United Nation Unesco and data mining units
  • HTML, CSS, JavaScript, PHP, Python, MySQL, API, RAG, LangChain

Software Developer & AI Prototype Engineer

SafeSign Tech Ltd.
Mar 2022 – Mar 2023 Cambridge, UK

Good UX turns visitors into customers

  • Led development of highly interactive AI Lawyer: design (Figma) frontend (Angular), backend(Node.js), APIs local LLM fine-tuning and Elastic Search for RAG.
  • Developed 23 Online Tools around the core service for Marketing the main corporate website
  • JavaScript, HTML, CSS, PHP, Node.js, Python, Java, API, LLM Fine-Tun

Full Stack Developer

Zentrum für Mechatronik und Automatisierung (ZEMA)
May 2016 – Sep 2017 Saarbrücken, Germany

Design is intelligence made visible.

  • Led full-stack implementation of front and back end app controlling several IoT devices, and API communication via HTTPS and MQTT.
  • Led full-stack implementation of front and back end app robot optimum path planner
  • Angular, TypeScript, Node.js, PHP, MATLAB, REST API, IoT ESP32, JAVA

Software Engineering Tutor

Helmholtz-Zentrum für Informationssicherheit (CISPA)
Sep 2017 – Dec 2017 Saarbrücken, Germany

Trust is built with consistency.

  • Led 4 software engineering APP projects with teams of 5 developers each full project lifecycle from requirements engineering to final delivery.
  • Mentored teams in architecture design, development practices and structured problem-solving.
  • Angular, React, TypeScript, Node.js, PHP, Next.js, REST API, JAVA

Software Systems Research Contributor

Max Planck Institute for Software Systems (MPI)
Jul 2015 – Jun 2016 Saarbrücken, Germany

Accessibility is not a feature. It's a responsibility.

  • Built desktop software for annotating image data using smart pen-based input systems using Python.
  • C++, QT