Recommended expert

Florin Dorel

Artificial Intelligence Engineer

Florin Dorel
București, Romania

Experience

Feb 2024 - Present
2 years

Artificial Intelligence Engineer

Jelvix

  • Led the development of a Retrieval Augmented Generation (RAG) based chatbot using OpenAI API and FAISS, integrated with customer support infrastructure.
  • Built scalable FastAPI-based ML services containerized via Docker and deployed on Kubernetes with auto-scaling and rollback strategies.
  • Implemented real-time monitoring for model predictions using MLOps and Prometheus, improving visibility into model behavior.
  • Created automated CI/CD pipelines for training, testing, and deployment using GitHub Actions and Airflow, enabling frequent updates with minimal manual intervention.
  • Collaborated with product managers and engineers to convert customer support pain points into NLP-driven features and deliverables.
  • Conducted fine-tuning experiments and prompt engineering on OpenAI models to improve task-specific accuracy across multiple domains.
  • Enhanced testability and system reliability by building a robust PyTest framework with CI hooks and Docker-based test environments.
  • Participate in architecture discussions to design modular ML infrastructure compatible with various cloud and on-premise deployments.
  • Improved semantic search quality by optimizing vector store retrieval strategies and preprocessing logic.
  • Provided mentorship and technical reviews for junior engineers working on AI APIs and backend systems.
  • Tech stack: Python, OpenAI, FAISS, MLflow, FastAPI, Docker, Kubernetes, Airflow, GitHub Actions, Prometheus, PyTest.
Sep 2022 - Feb 2024
1 year 6 months

Machine Learning Engineer

ITMAGINATION

  • Built and deployed NLP pipelines for multilingual tweet classification, sentiment analysis, and named entity recognition.
  • Migrated monolithic ML applications to containerized services, improving reliability and deployment flexibility.
  • Fine-tuned LLAMA and GPT-based LLMs for summarizing internal reports and legal documents.
  • Designed RESTful ML APIs using FastAPI, integrated into internal tools with logging, error handling, and monitoring.
  • Developed Airflow pipelines for automated data processing, model training, and serving.
  • Used DVC to manage datasets and ensure reproducible ML workflows across environments.
  • Built document OCR and classification pipelines using YOLOv5 and OpenCV for multilingual data processing.
  • Integrated system observability using Grafana dashboards and Pyroscope-based performance tracing.
  • Tech stack: Python, Hugging Face, LLAMA, GPT, FastAPI, Airflow, DVC, PostgreSQL, Docker, Kubernetes, OpenCV, YOLOv5.
Jan 2020 - Sep 2022
2 years 9 months

Computer Vision Engineer

Zitec

  • Designed and deployed object detection systems using YOLOVS for industrial manufacturing environments.
  • Optimized image processing pipelines with OpenCV and deployed real-time inference on NVIDIA Jetson devices using ONNX/TensorRT.
  • Increased detection speed and reliability in edge environments by tuning models and improving preprocessing logic.
  • Built defect detection modules for quality control in glass, textile, and tire manufacturing sectors.
  • Designed automated pipelines for model updates and performance evaluation.
  • Collaborated with DevOps teams to integrate metrics monitoring using Grafana and Pyroscope.
  • Led code reviews and provided architecture guidance to improve code reusability and maintainability.
  • Tech stack: Python, YOLOVS, OpenCV, PyTorch, TensorFlow, ONNX, TensorRT, Docker, Redis, Grafana, Pyroscope, Jetson TX2.
Sep 2016 - Dec 2019
3 years 4 months

Software Engineer

Qubiz

  • Developed backend services using Flask and Django for enterprise logistics and healthcare platforms.
  • Integrated role-based access control and secure REST APIs using JWT/OAuth authentication.
  • Built real-time dashboards with Redis and WebSockets for live logistics monitoring.
  • Designed scalable database schemas in PostgreSQL and optimized complex SQL queries.
  • Added AI-powered search capabilities by integrating early OpenAI APIs into existing applications.
  • Wrote comprehensive unit and integration tests using PyTest, and automated builds with CI tools.
  • Tech stack: Python, Flask, Django, PostgreSQL, Redis, Docker, Celery, WebSocket, PyTest, Git.

Summary

Senior AI/ML Engineer with 9+ years of experience building scalable, production-ready machine learning systems across NLP, Computer Vision, and backend engineering. Skilled in Python, API development, LLM fine-tuning, and real-time inference optimization. Strong background in MLOps practices, including CI/CD, model monitoring, and container orchestration. Adept at transforming needs into technical solutions, working closely with cross-functional teams to deliver reliable and high-impact Al products.

Skills

Ai/ml

  • Pytorch
  • Tensorflow
  • Scikit-learn
  • Huggingface
  • Transformers
  • Bert
  • Gpt
  • Llama
  • Onnx
  • Yolovs
  • Rag

Nlp & Data Science

  • Text Classification
  • Sentiment Analysis
  • Ner
  • Embeddings
  • Faiss
  • Langchain
  • Ocr
  • Pandas
  • Numpy
  • Data Visualization

Computer Vision

  • Opencv
  • Object Detection
  • Real-time Inference
  • Image Augmentation
  • Edge Deployment
  • Tensorrt

Backend & Python Development

  • Python
  • Fastapi
  • Flask
  • Django
  • Celery
  • Redis
  • Postgresql
  • Mongodb
  • Websockets
  • Asyncio

Mlops & Devops

  • Mlflow
  • Dvc
  • Airflow
  • Docker
  • Kubernetes
  • Prometheus
  • Grafana
  • Pyroscope
  • Github Actions
  • Jenkins
  • Git

Languages

English
Advanced
Romanian
Intermediate

Education

Mar 2012 - Sep 2016

University of Bucharest

Bachelor’s Degree in Computer Science · Computer Science · Bucharest, Romania

Profile

Created
Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions

Frequently asked questions

Do you have questions? Here you can find further information.

Where is Florin based?

Florin is based in București, Romania.

What languages does Florin speak?

Florin speaks the following languages: English (Advanced), Romanian (Intermediate).

How many years of experience does Florin have?

Florin has at least 9 years of experience. During this time, Florin has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 2 years and 4 months. Note that Florin may not have shared all experience and actually has more experience.

What roles would Florin be best suited for?

Based on recent experience, Florin would be well-suited for roles such as: Artificial Intelligence Engineer, Machine Learning Engineer, Computer Vision Engineer.

What is Florin's latest experience?

Florin's most recent position is Artificial Intelligence Engineer at Jelvix.

What companies has Florin worked for in recent years?

In recent years, Florin has worked for Jelvix, ITMAGINATION, and Zitec.

Which industries is Florin most experienced in?

Florin is most experienced in industries like Information Technology (IT), Healthcare, and Transportation and Logistics. Florin also has some experience in Manufacturing.

Which business areas is Florin most experienced in?

Florin is most experienced in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA). Florin also has some experience in Business Intelligence and Research and Development (R&D).

Which industries has Florin worked in recently?

Florin has recently worked in industries like Information Technology (IT) and Manufacturing.

Which business areas has Florin worked in recently?

Florin has recently worked in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA).

What is Florin's education?

Florin holds a Bachelor in Computer Science from University of Bucharest.

What is the availability of Florin?

Florin is immediately available full-time for suitable projects.

What is the rate of Florin?

Florin's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Florin?

To hire Florin, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

600
450
300
150
Market avg: 360-520 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.