Cristian Chereji

Vollständig eigenständig entwickeltes, datenschutzkonformes On-Premise-RAG-System als interne Wissensplattform. End-to-End-Umsetzung KI-gestützter Lösungen. Umfang: - Konzeption und Implementierung auf Basis lokaler LLMs, LangGraph-Workflows und einer ChatGPT-ähnlichen Oberfläche - No-Code / Low-Code Plattform - Observability von KI-Workflows - Containerisiertes Release und Deployment der Lösungsmodule, Kubernetes-bereit Technologien: Lokale LLMs, Qdrant, LangGraph, LangFlow, Phoenix, Docker

Selbst entwickelte, leistungsstarke Integrationsplattform zur nahtlosen Anbindung von Datenbanken, Message Brokern, APIs und IoT-Systemen — wiederverwendbares Werkzeug in Integrationsprojekte. Umfang: - End-to-End-Architektur und vollständige Eigenimplementierung - Plug-and-play-Konnektoren für die unten genannten Technologien - Integrierter Transaction Manager für deutlich zuverlässigeren Betrieb Kafka, Apache Camel, ActiveMQ Classic & Artemis, RabbitMQ, MySQL, PostgreSQL, MQTT, REST, Docker

- Konzept und teilweise Entwicklung neuen Subsystemen - Einführung neuer Technologien und Schnittstellen (Konzept, Implementierung) - Einführung eines modernen Monitorings Systems als Basis für Betriebsprozeduren Projekt: iPaaS – Datenintegration zwischen Unternehmensdiensten in eigenen Cloud

Software Design and development, work package management with focus on data collection, data integration, interfaces, (big) data management, reporting software in several security-sensitive projects. Introduction of BI systems in projects (reporting, data collection and management).

Guardean Risk Suite is a credit decisions management system implemented by many customers worldwide, a platform for controlling and automating risk-related customer processes. My responsibilities were in the field of software development, testing, release management, new projects development with a particular focus on BMW Bank projects in Europe.

Designed the full product, development of the key modules and core framework, release management, functional testing. FincoRating is a comprehensive risk assessment system responsible for macro-economic country risk analysis, corporate assessment, employee competence evaluation.

Software design and development of the Internet service prepaid system Introduced and implemented a new business intelligence reporting system in the company

The project was one of the highest transaction volumes Order Management System in the Gulf area providing eTrading and Back Office to 25.000+ users, processing more than 500.000 orders per day. My responsibilities were in the field of software optimization and development, concept and implementation of a monitoring system for the trading platform, definition of working procedures for the support team.

Development of a CRM system for the ISP, mobile and landline divisions of a telecom operator providing services to more than 2 million customers across 4 countries. Software development of key modules - billing, payment tracking, invoicing, front office desk, equipment monitoring, reporting and statistics. Development team lead for two years.

Assisted in the development of a new business model for the fastest growing telecom operator in the last decade in Eastern Europe.

Intensive computer teaching, personal follow up and assessment of the students.

Accounting, Finance

Graduated with a major in Computer Science (five years program) and a minor in Pedagogy Awarded with a study scholarship at National Technical University of Athens (Greece)