Experience
From software intern to CTO.
Seven roles across production AI, applied research and teaching: Qflex Technologies, the University POLITEHNICA of Bucharest, the Research Institute, Bitdefender and Orion Innovation.
07 roles
01Aug 2026 — Present
Bucharest, RO
Qflex Technologies
Chief Technology Officer
- 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.
02Feb 2022 — Present
Bucharest, RO
University POLITEHNICA of Bucharest
Associate Lecturer, Industry Expert
- 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.
03Sep 2024 — Aug 2026
Bucharest, RO
Research Institute
Artificial Intelligence Engineer
- 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.
04Jul 2023 — Sep 2024
Bucharest, RO
Bitdefender
Junior Machine Learning Engineer
- 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%.
05Jun 2023 — Sep 2023
Bucharest, RO
Research Institute
Artificial Intelligence Engineer Intern
- 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%.
06Jun 2022 — Sep 2022
Bucharest, RO
Research Institute
Artificial Intelligence Engineer Intern
- 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%.
07Oct 2021 — Jan 2022
Bucharest, RO
Orion Innovation
Software Engineer Intern
- 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.