Contents
TABLE OF CONTENTS

Experience

From speech ML intern to CTO.

Aug 2026 — Present

Qflex Technologies

Chief Technology Officer · Bucharest, RO

  • Lead technical strategy and delivery of custom AI solutions for enterprise clients, from AI audits and system architecture to production-ready implementations.
  • Design AI-driven systems for document understanding, knowledge retrieval, intelligent device configuration, and reliability testing using fault-injection and resilience frameworks.

Feb 2022 — Present

University POLITEHNICA of Bucharest

Associate Lecturer, Industry Expert · Bucharest, RO

  • Lead discussion sections and labs for 1000+ students across Mathematical Modeling, Computer Programming, Programming Paradigms, Parallel and Distributed Algorithms, Communication Protocols, and Numerical Methods.
  • Assist the course instructor with grading, including planning and evaluating homework, quizzes, and lab reports.

Sep 2024 — Aug 2026

Research Institute

Artificial Intelligence Engineer · Bucharest, RO

  • Improved entity-centric information extraction by developing LLM-based knowledge graph pipelines with LLaMA, structured prompting, NER, and relation extraction.
  • Built RAG pipelines with embeddings, document chunking, vector retrieval, and LLM-based answer generation for applied AI research systems.
  • Extended spaCy-based NLP pipelines for Romanian and multilingual information extraction with custom entity labels and evaluation workflows.

Jul 2023 — Sep 2024

Bitdefender

Junior Machine Learning Engineer · Bucharest, RO

  • Processed 49k+ sales calls and increased review throughput 3× (40 to 120 calls/day) with a production pipeline for speaker diarization, STT, and automated sentiment/speaker tagging, cutting manual QA effort from 120h/month to 5h/month.
  • Built a Reddit scraper and LLM-driven pipeline (embeddings, K-means, summarization) that clustered 7k product feedback snippets, improving classification precision from 70% to 97%.

Jun 2023 — Sep 2023

Research Institute

Artificial Intelligence Engineer Intern · Bucharest, RO

  • Built a modular audio processing toolkit (VAD, STT, diarization), reducing per-file processing time by 35%.
  • Automated segmentation and transcription for 10k+ audio segments using Pyannote, Whisper, and Pandas, improving diarization accuracy to 92%.

Jun 2022 — Sep 2022

Research Institute

Artificial Intelligence Engineer Intern · Bucharest, RO

  • Designed and benchmarked an AI evaluation framework across 1M+ audio clips and 4 state-of-the-art VAD systems.
  • Built a custom CRDNN model achieving 99.8% detection accuracy, surpassing SOTA baselines by 1.4%.

Oct 2021 — Jan 2022

Orion Innovation

Software Engineer Intern · Bucharest, RO

  • Engineered server-side and UI full-stack applications using Vue.js, Spring/Java, Hibernate, and Java 8/ES6.
  • Cut average debugging time from 7 to 2 days (71%) by introducing distributed execution patterns (BSP, MapReduce) and containerized microservices with Cloud SQL back-ends.