✅ EXPERT-VETTED 🎖 TOP RATED PLUS (Top 1% 🥇 of GLOBAL talent on Upwork). I am a Data Scientist, AI, Machine Learning, and Software Engineer with over 9 years of professional experience building software at any scale. I used to work at large companies such as Yandex as well as in many successful startups. Now I am running Shapeion Technologies, providing software and ML consulting for companies around the globe, to accomplish their business goals. I have been managing startup projects with client teams and have helped draft product roadmaps, planning, and talent acquisition. I have a good network of engineer talent who can help build product MVPs effectively. Products made by me helped startups to raise millions of USD. I have a team of 15 professional Data Annotation specialists who have completed many projects in the Natural Language Processing and Computer Vision fields. They are fluent in the following data annotation platforms: CVAT, Doccano, and ProdiGy. Here is a brief summary of my expertise: ● 2000+ worked hours and 30+ projects completed PERSONALLY only at Upwork ● Created MVPs for various startups and companies that raised millions of USD ● Helped 30+ businesses to reach their goals in time I am proficient in: ✅ Data Science and Machine Learning: ● classification and regression tasks ● time-series prediction (ARIMA, ...) ✅ Natural Language Processing (NLP): ● Text classification (including Sentiment Analysis, Aspect-Based Sentiment Analysis) ● Named Entity Recognition (NER, automatic extraction of relevant entities, like names, locations, dates, etc) ● Chat-Bots (Deep Learning or Rule-Based chat-bots for various domains) Frameworks: SpaCy, HuggingFace, Transformers, NLTK, Langchain, Pinecone Annotation platforms: Doccano, ProdiGy, Clarifai Architectures: BERT, LongFormer, GPT-3, GPT-4 Domains: MedTech, E-Commerce, HRM, AD-tech ✅ Computer Vision (CV): ● Image Classification ● Object Detection (YoLo) ● Instance segmentation / Semantic Segmentation (Mask R-CNN) ● Optical Character Recognition (OCR) Frameworks: PyTorch, TensorFlow, Keras, DarkNet, Detectron, Detectron2, Fast.ai Annotation platforms: CVAT, Clarifai Domains: Medical Imaging, CCTV (surveillance), NFT, LegalTech (document analysis) ✅ Full-Stack Development: ● Backend (FastAPI, Flask, Django, django-rest-framework, Node.js, JavaScript, PHP, Yii Framework) ● Frontend (Vue.js, React.js) ● WordPress ● CI/CD (Docker, docker-compose, Kubernetes, k8s, Ansible, Terraform) ● Databases (PostgreSQL, MySql, MongoDB, OracleDB, ArangoDB, ClickHouse, GraphDB) ● AMQ (Celery, RabbitMQ) Technical skills: Python, Javascript, Go, Java, Spring Boot, Gradle, Node.js, Angular, Tensorflow, Keras, NumPy, Serverless Frameworks, Docker, Terraform, Ansible, Kubernetes, Jenkins, Spinnaker, GitOps, DataOps, AWS. GCP, Azure, JAMstack, GraphQL, MEAN Stack, React, Redux, ES6, Express, MongoDB, Redis, Linux, Etcd, Consul, Kinesis, Redshift, DynamoDB, Spark, Hadoop, Kafka, PostgreSQL, MySQL, ELK, Git, Flask, and Django. Thanks for your consideration! "Alexander was excellent. He managed expectations well and overperformed on the work. Communications were excellent. He saved us 100s of hours of work by automating our processes. He's more expensive than many people on Upwork, but appears to be exceptionally good an reliable." - Tom Mather

PhD in Artificial Intelligence and hands on AI Engineer with expertise in MLOps, Agentic AI, Retrieval-Augmented Generation (RAG), and AI for Embedded Systems. I specialize in building production grade AI systems and conducting research in self-supervised learning, supervised learning, and model fine tuning for both Computer Vision and NLP. My experience spans the full AI lifecycle, including large-scale model training, LLMs, embeddings, vector databases, multimodal AI, AI optimization for resource-constrained devices, deployment, and MLOps. I help startups and businesses transform cutting-edge AI research into scalable, production-ready solutions that deliver real-world impact. What I Bring Generative AI & LLMs – I build practical AI solutions using large language models, including chatbots, RAG systems, fine-tuned models, AI agents, and multimodal applications. Computer Vision & Embedded AI – I develop efficient deep learning solutions for real-world applications, including AI systems optimized for edge and embedded devices. AI Optimization & Efficiency – I optimize models and AI infrastructure to improve performance, reduce latency, memory usage, and operational costs. End-to-End AI Development – From research and prototyping to deployment and monitoring, I take ownership of the complete AI development lifecycle. Innovation & Research – Founder of "NemaNet", an AI-powered plant parasitic nematode detection solution optimized for embedded devices, combining deep learning research with practical agricultural applications. Unique Advantage Many AI professionals focus either on research or software engineering. I combine both, bringing deep expertise in AI research together with hands-on experience building and deploying production-grade systems. From LLM-powered applications and RAG pipelines to computer vision and embedded AI solutions, I transform innovative ideas into reliable, scalable products that deliver measurable business value. If you're looking for an AI partner who can bridge cutting-edge research and real-world deployment, I'd be glad to discuss your project.

Hello! I’m a dedicated Data Annotation Specialist with 5+ years of experience delivering accurate, high-quality annotations for AI and machine learning projects. I specialize in image, video, and LiDAR annotation, helping teams build reliable datasets for computer vision and AI model training. I am detail-oriented, efficient, and committed to maintaining high accuracy standards while meeting project deadlines. My experience includes working with large-scale datasets, quality assurance workflows, and various annotation guidelines across different industries. What I Can Offer: ✔ High-quality and precise annotations ✔ Strong attention to detail and consistency ✔ Fast learning and adaptability to project requirements ✔ Reliable communication and long-term collaboration ✔ Experience handling repetitive tasks with accuracy and efficiency Expertise: • Image & Video Annotation • Bounding Box, Polygon & Segmentation Annotation • Data Labeling & Classification • LiDAR Annotation • Object Tracking & Data Tagging • Quality Assurance & Dataset Review Tools & Platforms: SuperAnnotate | CVAT | Labelbox | Roboflow | Supervisely | Darwin V7 | LabelImg | AnyLabeling | LabelMe I have successfully worked on various AI training and computer vision projects, consistently delivering organized and high-quality results that meet client expectations. I’m always eager to contribute to innovative AI projects and build long-term professional relationships with clients worldwide. Let’s work together to make your AI models smarter and more accurate.

Highly skilled and motivated freelance Machine Learning Engineer with over 3 years of experience in the field. Proficient in building and deploying state-of-the-art machine learning models using TensorFlow and PyTorch. Strong background in deep learning and NLP, with expertise in data preprocessing, feature engineering, model selection, and hyperparameter tuning. Experienced in deploying models on serverless architectures and cloud platforms, as well as edge devices using TensorFlow Lite.

I am a 𝗣𝗵.𝗗. 𝗶𝗻 𝗔𝗿𝘁𝗶𝗳𝗶𝗰𝗶𝗮𝗹 𝗜𝗻𝘁𝗲𝗹𝗹𝗶𝗴𝗲𝗻𝗰𝗲 𝗮𝗻𝗱 𝗠𝗮𝗰𝗵𝗶𝗻𝗲 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 and the founder of a cutting-edge startup specializing in AI and ML solutions. I offer a unique blend of academic expertise and entrepreneurial spirit. 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: ✔ 𝗚𝗲𝗻𝗲𝗿𝗮𝘁𝗶𝘃𝗲 𝗔𝗜 & 𝗟𝗮𝗿𝗴𝗲 𝗟𝗮𝗻𝗴𝘂𝗮𝗴𝗲 𝗠𝗼𝗱𝗲𝗹𝘀 (𝗟𝗟𝗠𝘀): Deep experience with GPT-4, GPT-3.5, ChatGPT, Whisper, BERT, and more. ✔ 𝗡𝗲𝘂𝗿𝗮𝗹 𝗡𝗲𝘁𝘄𝗼𝗿𝗸𝘀 & 𝗠𝗟 𝗔𝗹𝗴𝗼𝗿𝗶𝘁𝗵𝗺𝘀: Proficient in LSTM, RNN, CNN, Random Forest, Learning to Rank, Regression, and other advanced algorithms. ✔ 𝗗𝗮𝘁𝗮 𝗦𝗰𝗶𝗲𝗻𝗰𝗲: Comprehensive skills in data analysis, modeling, and implementation. 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝘆 𝗦𝘁𝗮𝗰𝗸: ✅ 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴 𝗟𝗮𝗻𝗴𝘂𝗮𝗴𝗲𝘀: Python (full scientific stack), R ✅ 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸𝘀: TensorFlow, PyTorch, Keras ✅ 𝗧𝗼𝗼𝗹𝘀: NLTK, Docker 𝗪𝗵𝗮𝘁 𝗜 𝗢𝗳𝗳𝗲𝗿: ➞ Proven track record in building and scaling SaaS products. ➞ Expertise in translating complex AI and ML concepts into real-world, impactful solutions. ➞ A passion for pushing the boundaries of AI and ML to deliver innovative results. Let’s Collaborate: Transform your AI and ML challenges into groundbreaking solutions!

A skilled Machine Learning expert specializing in NLP and computer vision with extensive experience in end-to-end workflows comprising model training, fine-tuning, and deployment. Completed over 100 projects, including real-time person detection using YOLOv8 [1], OCR solutions with Tesseract [2], and AI chat engines leveraging OpenAI technologies [3]. Proficient in Python, TensorFlow, Keras, and FastAPI, applying these technologies to build robust ML solutions for diverse applications. Machine learning and other expertise - - Python - HuggingFace/transformers, YOLOv8 - Keras, PyTorch, TensorFlow - OpenCV - SciKit Learn - FastAPI, Docker, ReactJS Types of projects I have completed in recent years - #1. Computer Vision - - OCR with Textract, Tesseract, DocTR - Real-time person detection and recognition - Image segmentation - Image depth measurements #2. Natural Language Processing/Understanding/Generation - Chat engine with HuggingFace, GPT, LangChain, OpenAI, ChromaDB - Virtual Personal Assistant Whisper, LLaMA, Tacotron - Customer Support with Whisper, GPT4, GoogleTTS, Twilio - Tweet Generator - Recommendation Systems

I provide work to customers with a guarantee of quality and also offer a range of other services with excellence across Python projects in Machine Learning, Deep Learning, and Generative AI. Our motto: Quality, Creativity, and Client Satisfaction. I have been working on various projects that I mention below: ✨ Experience in Machine Learning (Supervised learning, Unsupervised learning, Reinforcement learning) ✨ Experience in Generative AI (LLM-based apps, RAG pipelines, AI Agents, Prompt Engineering) ✨ Experience in Natural Language Processing (Text Classification, NER, Sentiment Analysis, Embeddings) ✨ Experience in Time Series Forecasting (RNNs, LSTM, ARIMA, Prophet, Others) ✨ Experience in Deep Learning (ANN, CNN, RNN, LSTM, GAN, Transformers, Others) ✨ Experience in Computer Vision (Object Detection, Face Recognition, Others) I can also handle any project related to these: ✨ Classification Related Problems ✨ Regression Related Problems ✨ Clustering Related Problems (KMeans, DBSCAN, HDBSCAN, Hierarchical Clustering, Others) ✨ NLP Tasks (Text Preprocessing, Tokenization, Topic Modeling, Text Summarization) ✨ RAG-based Chatbots & Knowledge Assistants (LangChain, LlamaIndex, FAISS, Pinecone) ✨ AI Agents (OpenAI, Claude API, Tool Use / Function Calling, Multi-agent Systems) ✨ WhatsApp / Telegram / Web Chatbots powered by LLMs ✨ Data Analysis (Pandas, NumPy, Others) ✨ Data Visualisation (Matplotlib, Seaborn, Plotly) ✨ Dimensionality Reduction (PCA, LDA) ✨ Reinforcement Learning (Policy, Reward, DQN, Others) ✨ Prediction Related Problems And I will train and predict on your dataset using whichever models suit your problem best, such as: ✨ Artificial Neural Network (ANN) ✨ Convolutional Neural Network (CNN) ✨ Recurrent Neural Network (RNN) ✨ Long Short Term Memory (LSTM) ✨ Transformer-based Models (BERT, GPT-style architectures) ✨ Large Language Models (OpenAI GPT, Anthropic Claude, Open-source LLMs) ✨ Others Whether it's a classic ML pipeline, an NLP system, or a custom AI agent powered by LLMs, I focus on building solutions that are accurate, explainable, and production-ready.

I design and deploy AI systems that don’t just launch, they scale and perform reliably in production. With 50+ live deployments and 100% client satisfaction, I’ve built everything from intelligent AI solutions and Chatbot Development projects to advanced Computer Vision pipelines and predictive Machine Learning models. As an AWS Certified AI Engineer and Head of AI, I specialize in end-to-end AI architecture using Python, PyTorch, TensorFlow and modern cloud platforms like Amazon Web Services, Azure and DigitalOcean. My expertise spans AI Agent Development, Natural Language Processing, Retrieval Augmented Generation, Deep Learning, Data Science and advanced Data Analysis, delivering robust MVPs and fully production-ready AI platforms that drive real business impact. Notable Achievements: ✦ Reaktion: Developed an AI-powered chatbot using Machine Learning and NLP to deliver advanced Data Analytics and dynamic Data Visualization directly from database queries. Reduced manual reporting effort by 60%. ✦ Partfiniti: Automated BOM extraction from PDFs, emails, excel and images into structured JSON with part lookup and natural language generation, improved extraction accuracy to 92%. ✦ Finsight: FinTech forecasting platform on AWS (EC2, RDS, S3) with FastAPI, Streamlit and predictive ML models, improved forecasting accuracy by 28%. ✦ GIS Mineral Analytics: Built end-to-end ETL pipelines with PostGIS, kriging, KNN, IDW and anomaly detection to power predictive mineral mapping and dynamic heatmaps, reducing exploration risk by 28% and improving drill targeting accuracy by 35%. Areas of Expertise: ✦ Machine Learning: (scikit-learn, XGBoost, Time-Series Forecasting), Python (FastAPI, Streamlit) ✦ Gen AI: LLMs, NLP, RAG Pipelines, OpenAI, Llama, AI Agents, ChatGPT ✦ Audio and Speech AI: AI Voice Agents, STT, TTS, TensorFlow Audio Classification APIs ✦ Computer Vision: OCR, Object Detection, Segmentation, Emotion Detection, Image Recognition (OpenCV, Tesseract), Image Generation, Data Extraction ✦ Cloud-Native AI: AWS Lambda, EC2, RDS, S3, Azure AI, FastAPI, Streamlit, API integration, secure backend systems Why do clients love working with me? ✦ Successfully launched production-ready AI/ML systems with measurable business impact. ✦ Scalable, high-quality solutions powered by Generative AI and Machine Learning. ✦ Reliable long-term partner focused on clarity, performance and sustainable growth. ✦ Strong balance of deep technical expertise and real-world business outcomes across multiple industries. 💬 Feel free to reach out anytime! Let’s build the AI-powered success your business deserves and transform your ideas into production-ready impact!

With expertise in AI and cloud engineering, and backed by a Master’s in Systems Engineering plus over 7 years of experience, I excel at building and deploying innovative solutions. Certified by IBM in Machine Learning, Deep Learning, Data Science, and Data Analytics, as well as Microsoft Security, I tackle complex AI challenges head-on. My cloud engineering experience spans AWS and Azure, with a proven track record in architecting, administering, and optimizing cloud resources. Let’s leverage cutting-edge technology to build something remarkable together!

⭐️ Top Rated Plus - Top 1% of talent on Upwork 🕒 Experienced Software and AI Engineer with MSc from Oxford University ✅ 7+ years of experience ✅ 50+ projects delivered ✅ Excelling in delivering Enterprise scale projects I help companies turn complex ideas into production-ready AI platforms, intelligent agents, and scalable web/mobile systems that grow revenue, reduce costs, and unlock new opportunities. With an MSc from Oxford University and recognition as Top Rated Plus (Top 1%) on Upwork, I combine fractional CTO leadership with hands-on engineering across AI/ML, Generative AI, and full-stack development. My Guarantee: If I set the wrong expectation or fail to deliver as promised, you get a full refund. Your investment is risk-free. 🔹 How I Create Value AI & ML Systems – predictive analytics that improve decision-making, recommendation engines that drive conversions, anomaly detection that cuts fraud and downtime. Generative AI Solutions – RAG pipelines, AI agents, and copilots that save teams hundreds of hours, boost customer satisfaction, and surface insights instantly from data. Full-Stack Development – scalable SaaS platforms, APIs, and mobile apps that become growth engines, enabling clients to reach markets faster and raise funding. Enterprise Delivery – secure, compliant (SOC2, GDPR, HIPAA) systems built to perform at scale with clear metrics: lower latency, higher accuracy, reduced manual effort. 🔹 Tech Stack & Platforms AI/ML: Python • PyTorch • TensorFlow • Keras • Scikit-learn • Hugging Face • MLflow • MLOps Generative AI: GPT-4/Claude/LLaMA • LangChain • LangGraph • LlamaIndex • Pinecone • Weaviate • Qdrant • ChromaDB Full-Stack: React • Next.js • Vue.js • Angular • Node.js • FastAPI • Django • Flask • React Native • Flutter Cloud & DevOps: AWS • GCP • Azure • Docker • Kubernetes • Terraform • CI/CD Recent Client Wins Fundment (FinTech, UK): Scaled backend systems for regulatory compliance and growth → Fundment has since raised £45M+ to expand operations. Clippd (Sports Analytics, UK): Built data pipelines and ML modules powering elite golf analytics → supported a $10M+ VC round and global adoption across professional golf programs. Novai (Biotech, UK): Developed the Darc Stratos AI clinical trial platform → enabled Novai to raise $3.7M+ in pre-seed and seed funding to take their biomarker to market. MarketingCopy AI (Generative SaaS): Built end-to-end GPT-powered SaaS product → helped the founders secure seed investment and onboard early enterprise customers. Pixelogy Network (Digital Securities): Delivered AI-based identity verification & KYC system → transformed investor onboarding for regulated capital raising. Nestlé (Retail Innovation, Global): Built a digital shopping assistant in collaboration with FusePump → scaled e-commerce personalization across markets. 🔹 Why Clients Trust Me ✓ Fractional CTO & hands-on builder — I architect and code ✓ 90+ projects delivered with measurable business outcomes ✓ Top Rated Plus • Expert-Vetted • 100% Job Success ✓ Risk-free engagement: refund guarantee if I don’t deliver what’s promised Beyond technical prowess, I pride myself on honesty and empathy, understanding the challenges businesses face firsthand. Your success is my utmost priority, and I'm eager to learn more about your ventures. Don't hesitate to reach out—I'm here to support and propel your journey to success!