Hire the Best Machine Learning Engineers in New York

✅ 10+ Years of Experience in Production-Grade AI Systems & LLM Architectures ✅ AI Engineer | LLMs, RAG Pipelines, AI Agents, GPT Integrations ✅ Full-Stack & Automation Expert (Node.js, Python, N8N, APIs) ✅ Built Scalable, Secure Systems Handling Real Users & Data I help businesses build production-grade AI systems from chatbots and AI agents to fully automated workflows and scalable backend applications. Whether you are building an AI SaaS product, internal automation tool, or data-driven system, I focus on delivering solutions that are reliable, efficient, and ready for real-world usage. 🤖 AI Development & LLM Systems: 🔹AI Chatbots (GPT-4 / OpenAI API) 🔹AI Agents (LangGraph, CrewAI, AutoGen) 🔹Retrieval-Augmented Generation (RAG systems) 🔹Custom LLM apps & AI SaaS products 🔹AI automation & decision-making workflows ⚙️ Full-Stack & Backend Engineering: 🔹Node.js (Express, NestJS) 🔹Python (FastAPI, Django) 🔹React.js / Next.js 🔹REST APIs & GraphQL 🔹Real-time systems (WebSockets) 🔗 Automation & Integrations: 🔹N8N workflow automation 🔹API orchestration (Stripe, SaaS tools, CRMs) 🔹Data pipelines (APIs, scraping, processing) 🔹AI-powered workflow automation 🏗 Enterprise Experience: 🔹Built and scaled global financial platforms (Money Transfer Systems) Experience with: 🔹AML / KYC compliance systems 🔹Payment gateway integrations 🔹High-volume transaction systems 🔹Multi-tenant & distributed architectures This means I don’t just build AI, I build systems that are secure, scalable, and production-ready. 🏆 Projects & Accomplishments: 🔹Global Financial Platforms (MTS): Built and scaled secure money transfer systems handling international transactions, compliance (AML/KYC), and high-volume users. 🔹E-Commerce Platform (MERN Stack): Led development of a scalable platform with real-time inventory, secure payments, and personalized recommendations, increased client sales by 25%. 🔹Social Networking Mobile App (MERN + React Native): Built and launched an app achieving 100,000+ downloads within the first month. 🔹Inventory Management System (Django): Developed a system that reduced manual effort by 60% and improved data accuracy by 95%. 🔹Automated Data Workflows (N8N): Designed and implemented automation pipelines integrating third-party APIs, cut manual operations by 70%. 🧠 AI & LLM Expertise: 🔹OpenAI API (GPT-4, GPT-4o) 🔹LangChain, LangGraph, LlamaIndex 🔹RAG pipelines & semantic search 🔹Vector DBs (Pinecone, Weaviate, Qdrant, ChromaDB, pgvector) 🔹Multi-agent systems & tool integrations 🔹Prompt engineering & evaluation 🎯 What Clients Hire Me For: 🔹AI chatbot development 🔹RAG-based systems for documents & data 🔹AI agents & workflow automation 🔹GPT/API integrations into products 🔹Scalable AI backend systems ⚡ What You Get: 🔹AI systems that integrate with your tools, APIs, and databases 🔹Automation that reduces manual work and improves efficiency 🔹Scalable applications that handle real users and data 🔹Clean architecture, performance, and long-term maintainability 📩 Let’s Build If you are looking for an AI Engineer who can design and build complete, scalable systems (not just prototypes) let’s connect. Keywords: #AIEngineer #MachineLearningEngineer #GenerativeAI #LLMEngineer #AIAgents #AgenticAI #AIAutomation #WorkflowAutomation #n8n #RAG #RetrievalAugmentedGeneration #ChatGPTDeveloper #OpenAIAPI #LangChain #LlamaIndex #VectorDatabase #Pinecone #FAISS #Weaviate #AIChatbotDevelopment #ConversationalAI #NLP #PromptEngineering #AISaaS #AIAppDevelopment #PythonDeveloper #FastAPI #BackendDeveloper #FullStackAIDeveloper #ReactJS #NodeJS #APIIntegration #AIDevelopment #CustomAISolutions #AIConsulting #AIProductDevelopment #AIStartup #IntelligentAutomation #NoCodeAutomation #LowCodeAutomation #AIWorkflow #AISystemDesign #CloudAI #ScalableAI #EnterpriseAI #AIDeployment #AIOptimization #AutomationExpert #AIIntegration #UpworkExpert

I am Alex, a Machine Learning Engineer with over 13 years of hands-on experience transforming complex data into actionable insights and building end-to-end AI solutions. I have successfully designed, developed, and deployed deep learning systems in both cloud environments and at the edge, ensuring scalability and performance. My skill set spans the entire ML pipeline—from data extraction, processing, and analysis to state-of-the-art model development and operational deployment. I bring a wealth of experience in computer vision, LLMs, predictive modeling, and advanced data engineering. For the last 3 years, I’ve been focused on creating AI-driven applications and agents powered by Large Language Models (LLMs), enabling dynamic, human-like interactions and intelligent automation. Key Strengths & Specialties: • End-to-end ML Development: Expert in building machine learning pipelines from raw data ingestion to deployment, ensuring robust performance at scale. Experience with scikit-learn, pandas, PySpark, deployment of models in cloud and optimizing performance, debugging and monitoring drift of models. Examples of work: Development of a high-performance fraud detection model in real-time submillisecond delivery currently processing more than 1.5 billion transactions per year for Fortune 500 companies. A patent was issued for this AI system: US20240346008. An AI system to assist auditors in medical coding that leads to more than 20% loss recovery of missed medical claims. Deployed in production in a major RCM company in the US. • Deep Learning & Computer Vision: Proficient in designing and optimizing CNNs, object detection, image classification, and other vision-based solutions. Experience with Pytorch, TensorFlow, and all CNN models with transfer learning to optimize for specific applications. Examples of work: A development of a computer vision model that automatically assesses car damage from a photo. Deployed in production in the top 10 US car insurance companies. A patent was issued for this AI system: US20240346008. A computer vision system for a major photo repository company that automatically classifies ancient sculptures, people, and art. Classified and analyzed millions of images to assist in the institute's work. Analyzed satellite images for a major Fortune 100 company that assisted in recognizing wind turbines that were due for maintenance to guide the sales team to prioritize outreach to clients. • LLM & AI Agent Development: Experienced in fine-tuning and integrating large language models for conversational AI, knowledge extraction, and intelligent assistants. Experienced in building RAG pipelines for private data repositories and LLM agents that perform complex tasks with standardized effective outcomes. Expert in all major LLM models, LlamaIndex for RAG and context-aware agents, CometML for LLMs performance monitoring in production, CrewAI for effective AI agents creation, and federation learning for finetuning agents in private data. Examples of work: Created an LLM agent for a major recruiting agency that automatically scouts for candidates, performs the outreach with uber personalized emails, schedules calls, and assists in screening the candidates during the call. Increased pipeline of candidates by 300% and reduced time to hire by 200%. Created multiple chatbots that are finetuned in specific industries and knowledge graphs and can assist in critical business functions without hallucinations. • Data Engineering & Big Data: Skilled in data architecture, distributed systems, and cloud technologies (AWS, GCP, Azure) to handle large datasets efficiently. Example of work: Processed more than 60GB of historical data for a hedge fund to derive modeling insights for optimizations of trading. Pipeline created for data updating and processing daily. • Predictive Modeling & Insights: Expertise in creating predictive algorithms that uncover valuable business insights, backed by sophisticated visualizations and dashboards. • Professional Delivery & Collaboration: Known for clear communication, timely project execution, and consistent focus on delivering measurable value to clients. References of previous clients available. What I Offer: • Customized ML solutions tailored to your business goals, whether it’s enhancing existing pipelines, deploying state-of-the-art deep learning models, or integrating advanced AI LLM agents. • Full-spectrum consulting and implementation—from initial data exploration to final model deployment—in cloud or on-premise setups. • Collaborative approach that values transparency, adaptability, and agile workflows, ensuring that projects stay on track and deliver real impact. If you’re looking to elevate your data-driven strategies or adopt cutting-edge AI solutions, let’s discuss how we can make it happen. I look forward to contributing my expertise and passion to help your project succeed.

Principal Machine Learning Engineer (PhD, NYU) | I help businesses build and deploy intelligent AI systems. If your company is looking to integrate advanced machine learning processes, build sophisticated agentic workflows, or architect a cutting-edge AI service, you're in the right place. I specialize in turning complex AI/ML objectives into tangible results. My Core Services: • End-to-End ML Project Leadership: From initial scoping and strategic planning to final deployment, I manage the entire project lifecycle to ensure your goals are met on time and on budget. • Custom AI/ML Model Development: Specializing in building and fine-tuning models for complex applications, including: ◦ Agentic AI Workflows: Designing and implementing agents that can reason, plan, and execute tasks. ◦ Personalization Engines: Creating systems that deliver unique user experiences and increase engagement. ◦ Computer Vision Solutions: Developing models for image recognition, object detection, and video analysis. • MLOps & Cloud Infrastructure: Expert in setting up, managing, and optimizing scalable MLOps pipelines using Google Cloud Vertex AI and AWS SageMaker. • AI System Performance & Optimization: Auditing and refining existing AI systems to improve their efficiency, accuracy, and speed. If you're ready to talk through how we can bring your AI initiative to life, send me a message. I'll get back to you within one business day to schedule an initial consultation.

"Richard Saunders is an incredible recruiter & person, and comes with an even cooler British accent - he's the whole package! If you or your company needs extra recruiting help, look no further - you won't be sorry, he'll be the best partner you ever had!!" Hi - Welcome to my Upwork profile - I'm Richard. I am an experienced Recruiter with a passion for sourcing candidates. I specialize in helping smaller companies scale and have filled every role you can think of at a small company. Before my freelance career, I worked in-house for SaaS startups in the AI, Healthcare, Cybersecurity and IT Monitoring sectors, with some agency work thrown in at the start of my career. My sweet spot is working hard to fill Executive roles and building out Engineering and Product teams, but I've filled roles across the board from VP to Entry level across Marketing, Sales, Customer Success, IT, Legal, Finance, and HR roles. My secret source is my sourcing ability. I love sourcing outstanding talent and take pride in crafting personalized outreach that stands out from the crowd, ensuring each candidate has an exceptional experience. Tools like Jasper, Integrately, and ChatGPT are instrumental in streamlining my work and automating daily tasks. With a strong work ethic and strong communication skills, I've been there and done it. I understand how important it is for you to hire the right people and I know how to do it. *Linkedin expert *Experience with Greenhouse, Lever, JazzHR, Jobvite, Seekout, Amazinghiring *Sourcing toolkit - Captain Data, Hexomatic, Airtable, Sheets, Wordpress, Zen, Clearout, SalesQL, Pixelme, Integrately, Github, Jasper, Sherlock and Boolean search Lets work together!

Data Scientist | ML Engineer | NLP & Predictive Modeling | Python | SQL I help teams make sense of messy data and turn it into working machine learning systems. My work spans the full lifecycle: exploratory analysis, feature engineering, modeling, evaluation, and deployment. I combine strong data science fundamentals with deep experience in NLP and applied ML. What I Do: - Exploratory Data Analysis (EDA) to understand patterns, risks, and modeling paths - Build classification, ranking, and regression models using Scikit-learn & PyTorch - NLP projects: text cleaning, vectorization, topic modeling, transformer-based classifiers - End-to-end ML pipelines: data prep → modeling → validation → reporting - Data workflows at scale with BigQuery, PySpark, and cloud-based ML tooling - Business-facing analytics, dashboards, and insights that support decision-making Toolkit: - Python (Pandas, NumPy, Scikit-learn, PyTorch, Hugging Face) - SQL (BigQuery), PySpark - Visualization: Power BI, Plotly, Matplotlib - ML Ops & Infra: Vertex AI, Docker - Git/GitHub, Notion, n8n Selected Results: - Improved an enterprise classifier from **0.74 → 0.86 F1** across **90M+ documents** - Built LLM-assisted labeling workflows expanding datasets from **200 → 4,000+ samples** - Reduced NGO triage workload by **40%** using ML-based prioritization - Conducted deep EDA for multiple enterprise projects to inform modeling direction & risk What You Get Working With Me: - Clear, honest communication and fast iteration - Strong reasoning behind modeling decisions - Clean, maintainable code with documentation - A partner who understands both analysis and production-ready ML If you need someone who can explore your data, understand it, and turn it into a reliable ML solution — let’s talk.

Hello! I'm Shahin, a seasoned professional in the field of machine learning and data science with a passion for developing innovative solutions to complex problems. With over nine years of experience, my expertise spans a range of areas including Machine Learning API Development, Machine Learning Automation, Cloud Architecture, Natural Language Processing, Computer Vision, and Automatic Speech Recognition. I specialize in creating advanced machine learning frameworks and deep learning models, with a particular focus on applications in stock price prediction, quantitative research, and both semi-supervised and unsupervised learning techniques. My career has seen me lead projects that optimized algorithms for large data sets, significantly improving data handling efficiency and decision-making processes. My approach is to combine technical proficiency with clear communication, ensuring that complex solutions are accessible and understandable to all stakeholders. I pride myself on my ability to translate intricate data science concepts into actionable insights, driving innovation and efficiency in every project I undertake. Whether you're looking to automate your processes, gain insights from your data, or build cutting-edge ML models, I'm here to help you achieve your goals with precision and creativity. I have co-founded 3 businesses and worked with many clients (outside of Upwork). Feel free to reach out!