
Zeki Bilgin
Verified Expert in Engineering
AI and Computer Vision Engineer and Developer
Istanbul, Turkey
Toptal member since July 10, 2025
Zeki is a senior AI and computer vision engineer with a PhD in computer science from the City University of New York. He has extensive experience developing practical solutions for industrial projects. Zeki has authored over 30 scientific papers in machine learning, deep learning, computer vision, federated learning, privacy-preserving deep learning, cybersecurity, and telecommunications.
Portfolio
Experience
- Artificial Intelligence (AI) - 13 years
- Deep Learning - 8 years
- Machine Learning - 8 years
- Image Processing - 8 years
- TensorFlow - 7 years
- Computer Vision - 7 years
- Federated Learning - 5 years
- FastAPI - 2 years
Preferred Environment
Python, PyTorch, TensorFlow, Linux, Windows, Amazon Web Services (AWS), Large Language Models (LLMs), Retrieval-augmented Generation (RAG), LangChain
The most amazing...
...thing I've created is a novel method that uses machine learning to determine if code is vulnerable. It has received numerous citations.
Work Experience
Computer Vision & OCR Developer
More Wow LLC
- Built a module that generates random building envelopes and forms room spaces based on given constraints such as the number of rooms and types, project area, etc.
- Developed a computer vision pipeline to convert a raster floorplan to a vectorized plan.
- Conducted research on open source AI-based computer vision segmentation models for floor plans, and adapted and integrated a feasible one for the project.
Senior Data Scientist
Univa Health
- Developed weight biomarkers for non-invasive weight prediction from face images, which were used in healthcare software designed for eating disorder treatment.
- Created machine learning and computer vision models for weight estimation from face images.
- Developed visual model explanation methods such as saliency maps and Grad-CAM to improve the interpretability of deep learning models, specifically identifying which regions in images are most important for weight prediction.
Senior Computer Vision Engineer
Keyo
- Trained, maintained, and evaluated Siamese neural networks to generate embeddings from palm images for biometric identification.
- Designed, implemented, and deployed a liveness detection algorithm to embedded hardware.
- Implemented a pose estimation algorithm to measure the roll, yaw, and tilt angles of hands from images.
Technical Leader | Senior AI/ML Developer
Arcelik
- Developed YOLO-based object recognition models to identify items and food inside smart fridges with integrated cameras.
- Created Edge AI solutions for home appliances, particularly quantized versions of object recognition models.
- Built sentiment analysis models using NLP to rank customer feedback from one (not satisfied) to five (highly satisfied).
- Contributed to shaping the company's AI strategy and roadmap.
- Implemented autonomous path-following algorithms for a robot vacuum cleaner project in ROS, based on LiDAR and ToF sensor data.
Experienced Security Researcher
Ericsson
- Developed and implemented a novel method using machine learning to predict whether a code fragment contains certain vulnerabilities, which was published and has received numerous citations.
- Created a privacy-preserving deep learning (LSTM) model for forecasting consumers' hourly electricity consumption, resulting in a published study that has received numerous citations.
- Invented seven patents within one year that have been granted internationally in telecommunication, network security, software security, and machine learning.
Postdoctoral Researcher
University of Nebraska - Lincoln
- Developed mathematical models and conducted simulation experiments for a computational sociology project, analyzing information diffusion and social influence in social networks using machine learning techniques.
- Implemented social network simulations and modeled interactions between actors and information diffusion.
- Prepared a draft paper containing the findings, literature review, and other details of the project.
Experience
Palm-based Biometric Identification
Object Recognition for Smart Fridges
Vulnerability Prediction from Source Code Using Machine Learning
https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=9167194Privacy-preserving Deep Learning for Load Forecasting on Smart Grids
https://ieeexplore.ieee.org/abstract/document/9024520Background replacement
Digital Biomarker Development for Healthcare
Literature Review on DeepFake Detection
Sentiment Analysis
https://github.com/zekidsp/Text-classificationAutonomous Path Following
RAG Implementation
A Personalized Academic AI Coach
The knowledge graph is populated from several external sources, including learning management system (LMS) platforms, and stores students' learning experiences, such as enrolled courses, concepts studied, exam grades, homework due dates, and homework grades.
The AI coach proactively interacts with students based on their individual learning data retrieved from the knowledge graph, enabling personalized guidance, recommendations, and interventions.
Education
PhD in Computer Science
City University of New York - New York, NY, USA
Certifications
SQL Server
Infotech Academy
Skills
Libraries/APIs
PyTorch, TensorFlow, Scikit-learn, XGBoost, OpenCV, API Development, Slack API, OpenAI API, Claude API, Hugging Face Transformers, Node.js, REST APIs, Open3D, React, PySpark, vLLM, SciPy, Keras, PowerPoint API
Tools
Open Neural Network Exchange (ONNX), Scikit-image, Amazon SageMaker, GitHub, CAD, GIS, Visual Language Models (VLMs), ComfyUI, Claude, ChatGPT, n8n, You Only Look Once (YOLO), Claude Code, Codex, AI Prompts, Microsoft Power BI, Amazon EKS, Reprise License Manager (RLM), Grafana, Azure OpenAI Service, Claude Agent SDK, Microsoft Copilot, Git, GraphRAG, Collibra, AutoCAD, MATLAB, Gazebo Simulator
Languages
Python, C++, SQL, R, Scala, TypeScript, Google Apps Script, SPARQL, OWL, RDF, Shapes Constraint Language (SHACL), JavaScript, C
Frameworks
MediaPipe, Multi-armed Bandits (MABs), LangGraph, Agentic Frameworks, Qt, LlamaIndex, Alembic
Paradigms
DevOps, Anomaly Detection, Model Context Protocol (MCP), ETL, Synthetic Data Generation, Rule-based Programming, Microservices, Automation, Machine-learned Ranking (MLR), ABAC, Role-based Access Control (RBAC), Testing, HL7 FHIR Standard, W3C, Siamese Neural Networks
Platforms
NVIDIA CUDA, Google Cloud Platform (GCP), Azure, Vertex AI, LangSmith, AWS Lambda, Embedded Linux, Azure Functions, Databricks, Kubernetes, Azure AI Search, Microsoft Copilot Studio, Docker, Linux, Windows, Amazon Web Services (AWS)
Storage
Amazon S3 (AWS S3), PostgreSQL, MongoDB, Databases, Data Pipelines, Elasticsearch, MySQL, JSON, Azure Cosmos DB, Azure Cloud Services
Industry Expertise
Applied Statistics, Bioinformatics, Healthcare
Other
Deep Learning, Image Processing, Computer Vision, Machine Learning, Natural Language Processing (NLP), Federated Learning, Artificial Intelligence (AI), Data Science, Forecasting, Demand Forecasting, Time Series Forecasting, Large Language Models (LLMs), NVIDIA TensorRT, Machine Learning Operations (MLOps), Object Detection, Video Processing, 3D Reconstruction, 3D Image Processing, Medical Imaging, Convolutional Neural Networks (CNNs), Image Analysis, AI Adoption, Strategy, Image Classification, Residual Neural Networks (ResNets), 3D Pose Estimation, 6-DoF, Pose Estimation, QR Codes, six degrees of freedom, Containerization, Optical Character Recognition (OCR), Data Engineering, Patent Applications, Patents, Technical Writing, Robotics, AI Model Training, Model Validation, Quantization, Predictive Maintenance, Supervised Learning, Unsupervised Learning, Time Series Data, Sensor Data, Data Analytics, Data Analysis, Statistics, Package Distribution, Data Annotation, Time Series, Predictive Analytics, Predictive Modeling, Generative Artificial Intelligence (GenAI), Image Generation, Facial Recognition, Facial Tracking, Stable Diffusion, Multivariate Statistical Modeling, Statistical Modeling, RAG Architecture, Data Extraction, Document Parsing, PDF, Workflow Automation, APIs, Retrieval-augmented Generation (RAG), LangChain, AI Pipeline, AIOps, Agentic AI, Software Architecture, Recommendation Systems, Decision Modeling, AI Agents, API Integration, Document Processing, OpenAI, RAG Systems, Prompt Engineering, Artificial Intelligence as a Service (AIaaS), AI Marketing, AI Chatbots, Vector Databases, Chatbot Conversation Design, Chatbots, Technical Leadership, Time Series Analysis, OpenAI SDK, Platform Engineering, AI Integration, Integration, Architecture, OpenAI GPT-4 API, Agentic RAG Systems, RESTFul APIs, CI/CD Pipelines, Reinforcement Learning, Full-stack, Data Anonymization, Multi-agent Systems, Reinforcement Learning from Human Feedback (RLHF), Vector Search, Pinecone, Machine Learning (ML) APIs, Coding, AI Copilots, Sales Forecasting, Classification, Decision Trees, RAG Pipelines, Clustering Algorithms, Prediction Markets, AI Tools, Multimodal Models, Hugging Face, AI Architecture, Cloud Architecture, Data Architecture, Enterprise Architecture, Solution Architecture, Stakeholder Management, Agentic AI Systems, Clinical Research, LoRA training, ControlNet, LoRa, Hyperparameter Tuning, Benchmarking, Data Cleaning, Data Labeling, Data Modeling, ETL Pipelines, Infrastructure, Linear Regression, Scaling, Statistical Analysis, Statistical Learning, Computer Vision Algorithms, Amazon Machine Learning, Claims, Gemini, CCTV, Video Surveillance, FaceNet, Edge Computing, AI Agent Orchestration, LLM Integration, Semantic Code, Cloud, Semantic Search, Algorithms, AI Design, Agentic Workflow Design, API Gateways, Distributed Systems, Agentic Coding, Automatic Speech Recognition (ASR), Model Evaluation, Image Segmentation, Audio Processing, Anthropic, Azure Function App, Amazon Bedrock AgentCore, AI Programming, Conversational AI, 3D, Volumetric Data, Mesh Optimization, Context Engineering, Trading, Fintech, AI Automation, Graph Neural Networks (GNNs), Pattern Recognition, Vehicle Routing, Vehicle Tracking Systems, Motion Capture, Eye Tracking, Cursor AI, Data Security, Meta Llama, Fine-tuning, Observability, AI Assistants, Workflow Automation & System Integration, AI Hallucinations Management, ChatGPT Prompts, Finance, Azure Databricks, Leadership, Speech-to-Text (STT), Data Preprocessing, Large Data Sets, Datasets, Quantitative Modeling, AI Modeling, IT Strategy, Web Applications, Model Deployment, Communication, LLM Fine-tuning, LLM Reasoning, Large Language Model Operations (LLMOps), Neural Networks, Scalable Vector Databases, Documentation, Multimodal GenAI, Open-source LLMs, Text-to-Speech (TTS), Technical Architecture, Data Quality, Text to Image, Text to Image AI, Image to Vector, Applied AI, Knowledge Graphs, Deep Reinforcement Learning, HRL, Internet of Things (IoT), Energy, Industrial Control Systems (ICS), Industrials, Open Weights, Video Analysis, Geometry, Conversational Agent, Modeling, System Architecture, Fraud Detection, Fraud Prevention, Data Scientist, Credit Scores, Multi-agent Orchestration, Embedded Systems, CAN Bus, Webhooks, Data Visualization, Feature Engineering, Key Performance Indicators (KPIs), Metrics, Dashboards, Scripting, Identity & Access Management (IAM), Microsoft Azure, Cloud Security, Back-end, Back-end Development, Feasibility Studies, Education Technology (Edtech), Personally Identifiable Information (PII), AI Voice Agents, Evaluation, HIPAA, SOC 2, PDF Scraping, Clinical Trials, Real Estate, Sentiment Analysis, Transcription, Labeling, 3D Geometric Analysis, Gesture Recognition, Geometric Modeling, 3D Cameras, Product Engineering, Model Development, Monitoring, Combinatorial Optimization, ChatGPT API, Attention to Detail, Code Review, Team Leadership, Team Management, AI Engineering, Answer Engine Optimization (AEO), Gemini API, Supabase, LLM Agents, OpenAI Agents SDK, AI Model Integration, Data Taxonomy, Taxonomy, Cloud Platforms, Data, Data Mesh, Data Governance, Unity Catalog, Sequence Models, Supervised Fine-tuning (SFT), Tokenization, Embeddings from Language Models (ELMo), Fully Sharded Data Parallelism (FSDP), API Design, Performance, Performance Optimization, CSV, Cloud Infrastructure, Healthcare Software, Real-time Data Pipelines, Unstructured Data Analysis, Perplexity, AI Consulting, Auditing, Audits, Mentorship, Reporting, Reports, Team Mentoring, Training, Data Analysis.Financial Data, Equity Trading, Investment & Trading Advisory.Stock Trading, Market Research.Market Research & Analysis, Vibe Coding, AI Compliance, AI Security, Compliance, Single Sign-on (SSO), Ontologies, ACORD Data Standards, CDISC, Semantic Web, Semantics, RDFs, Workshops, Workshop Facilitation, Stakeholder Alignment, System Administration, Technology, Startups, Legal Technology (Legaltech), Crypto, Contextual Bandits, Low Latency, Models, AI Evaluation, FastAPI, Research, Simulations, Wireless Networking, Liveness Detection, Edge AI, Vulnerability Assessment, Network Security, Secure Software Development Lifecycle (SSDLC), Differential Privacy, Semantic Segmentation, Speech Analytics, Social Network Analysis, Robot Operating System (ROS), LiDAR
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