Hire the best Recommender Systems Specialists in California

Check out Recommender Systems Specialists in California with the skills you need for your next job.
  • $299 hourly
    Custom AI/GPT Specialist, ex-Meta. Navigate AI effortlessly with my trio of services: Custom AI Development, AI Training & AI Audit. As Expert-Vetted, I stand among the top 1% of talent on Upwork. Discover how I can transform your business with AI. Dive into my services: - AI Development & Deployment: Starting with open-source foundations and progressing to bespoke adaptations, I craft your custom AI solution – from training, fitting, and fine-tuning to deployment on your preferred cloud service. Historically, I've developed and deployed successful ML apps for both large tech companies (FAANG) and small businesses (Seed, Series A, and B). - AI Training: Through interactive workshops or tailor-made sessions, I demystify the realm of AI, ensuring that you and your team are well-prepared for an AI-centric future. - AI Audit: Identify the ideal AI approach tailored to your unique use case and business needs. I've had the privilege of applying AI to various domains, from operations to advertisement and even pricing. By leveraging my tailored GPT models, you can enjoy the following benefits: - Precision and Deep Contextual Understanding: My expertise (Ph.D. holder in applied maths and computer science) allows me to apply cutting-edge techniques to enhance off-the-shelf solutions or enrich open-source tools with advanced knowledge. - Cost-efficiency: Avoid hefty third-party API costs with a self-hosted solution. I've managed to reduce costs by up to 100X using custom AI solutions. - Reliability: Depend on a robust solution anchored on your servers. - Privacy: With custom AI, you can retain your data in-house, eliminating the need to share it with external parties. Please review the portfolio section for a glimpse of my past projects involving the implementation and deployment of custom AI models. Additionally, my strong background in software engineering equips me not only to build prototypes but also to deploy solutions at scale. You can find further details in my skills section. I invite you to reach out, so we can collaboratively elevate your enterprise through AI.
    vsuc_fltilesrefresh_TrophyIcon Recommender Systems
    AI Model Training
    Vision-Language Model
    AI Agent Development
    LangChain
    Recommendation System
    Generative AI
    Deep Learning
    Large Language Model
    Model Tuning
    Artificial Intelligence
    Machine Learning
    Chatbot
    Django
    Python
    ChatGPT
  • $80 hourly
    As someone with a deep passion for data and technology, I am particularly drawn to machine learning. This field has become one of the cornerstones of modern technology. At the heart of my work lies a love for using machine learning models to solve complex problems and make data-driven decisions. Furthermore, I possess a strong knowledge of collecting, processing, and analyzing data to construct models that support automating decisions. I have expertise in MLOps, which deploys machine learning models and optimizes their performance and efficiency. This expertise requires an in-depth understanding of managing a model's lifecycle, from development to deployment, and ensuring efficient handling and deployment of the models.
    vsuc_fltilesrefresh_TrophyIcon Recommender Systems
    LLM Prompt Engineering
    Artificial Intelligence
    Computer Science
    ChatGPT
    MLOps
    Recommendation System
    PyTorch
    Machine Learning
    Computer Vision
    Reinforcement Learning
    Data Science
    Deep Learning
    TensorFlow
    Keras
    Natural Language Processing
  • $35 hourly
    PhD Candidate in Computer Science: Specializing in Machine Learning, Recommender Systems, and Personalization. - Education: Master’s degree in Computer Science from DePaul University. - Technical Proficiency: Expert in Python; skilled in TensorFlow, PyTorch, and SQL. Proficient with AWS and Linux environments. - Research Excellence: Authored influential papers on topics such as enhancing diversity in recommender systems, multi-aspect fairness, and the dynamics of user preferences. - Key Projects: -- Twitter Misinformation Classification: Developed an NLP classifier to detect misinformation in tweets with 98% accuracy. -- Automatic Cross-topic News Fact Checker: Built an NLP system that outperforms state-of-the-art models in detecting false claims. -- eBayML Challenge (2020): Secured 2nd place with a novel weakly supervised method for product identification. -- Personalized Learning Recommendation: Implemented a system for recommending extracurricular activities to high school students. - Freelance Commitment: Eager to apply and expand my skills in AI, offering tailored solutions and strategic insights to enhance your projects and business impact. I am a soon-to-be PhD graduate in Computer Science, specializing in Machine Learning, Recommendation Systems, and Personalization. With a master's degree in Computer Science from DePaul University, I am well-versed in the latest industry trends and technologies. Over the years, I have contributed to dozens of research papers in my field, showcasing my deep understanding and passion for AI-driven solutions. As a Python expert and data engineering enthusiast, I have hands-on experience in implementing a wide range of machine learning methods and techniques. My proficiency in data-driven algorithms and tools makes me the ideal candidate to tackle complex projects in any industry. As a freelancer, I am eager to bring my expertise and research-driven approach to your organization, delivering tailored solutions that cater to your specific needs. I'm committed to working with you to identify opportunities for improvement and growth, leveraging my knowledge and skills to create a significant impact on your business. Looking forward to collaborating with you and making a difference through innovation and cutting-edge technology!
    vsuc_fltilesrefresh_TrophyIcon Recommender Systems
    Git
    Data Visualization
    SQL
    Python
    Recommendation System
    pandas
    TensorFlow
    Data Science
    Python Scikit-Learn
    Machine Learning
  • $150 hourly
    I am a senior machine learning engineer from Meta. Most recently, I worked on optimizing Reels recommendation system in Instagram to improve user engagement leveraging cutting edge reinforcement learning techniques. Additionally, I've also tackled challenges in using ML/AI to schedule notifications more effectively, tweak the Instagram auction bidding system, and run various data analyses for user understanding. My journey here has been all about pushing boundaries and driving impact to any problem sets. Here are some examples of the services I can deliver: 1. Develop custom models in PyTorch and deploying them on AWS SageMaker. 2. Create personalized recommendation systems for ranking problems. 3. Conduct in-depth data analysis and visualization using tools such as Pandas, NumPy, and Jupyter Notebook. 4. Design customized chatbot systems integrated with custom language models and retrieval-augmented generation pipelines. 5. Implement custom-built reinforcement learning agents to optimize machine learning problems. 6. And much more. (Feel free to contact me to discuss your specific needs.) Language: Python, Javascript, C++ Technologies - Tensorflow - Keras - Pytorch Libraries: - OpenCV - Matplotlib - Pandas - Numpy - Scikit Learn - PIL - Tesseract/easyOCR/PaddleOCR Techniques: - EDA and Pre-Processing of Dataset (Structured/Unstructured) - Transfer Learning of state-of-the-art models - Model Fine Tuning - Machine Learning (SVM, KNN, Regressions, Decision Trees, Random Forest, Ensemble, Time Series) - Deep Learning (ANN, CNN, YOLO, LSTMs, RNN) - OCRs (EasyOCR, PaddleOCR, GoogleOCR, Tesseract) - Image Generative models (Inpainting, Diffusion models, Dall-E, StyleGAN) - LLM models(Langchain, LLama, BERT, OpenAI API integration, Prompt Engineering, GPT fine-tuning) - NLP (Spacy, NLTK, NER, word2Vec, TF/IDF) Tools: - Anaconda - Docker - GitHub Cloud Services: - GCP (Vertex AI, BigQuery, AutoML, DialogueFlow, Apache Beam) - AWS (S3 Bucket, Sagemaker, EC2) API creation: - Flask API - FastAPI Database: - Vector Database (PineCone) - SQL (MySQL) CLI: - Windows - Linux
    vsuc_fltilesrefresh_TrophyIcon Recommender Systems
    Large Language Model
    LLM Prompt Engineering
    ChatGPT
    Web Development
    Artificial Intelligence
    Software Development
    Recommendation System
    Machine Learning
    Machine Learning Model
  • $50 hourly
    Product Manager for Search, Recommenders, Marketplaces - 10+ years leadership of entrepreneurial, customer-centric web & mobile product management driven by user, business goals & ranking metrics ● Targeting business, user experience & ML goals for search & recommendations in marketplaces ● Data-focused approach to business opportunities and user needs, spanning product vision, industry trends, user research, business requirements and use cases, over the agile product development lifecycle ● Data-driven with analysis experience on tools like SQL, Looker, Tableau, Heap, Indicative, Adobe ● Collaborating with cross-functional teams like product marketing, user interface design, engineering, architects, analytics, personalization, ML/AI/Data science in targeting OKRs & key performance indicators ● Plan & run A/B experiments with careful choice of overall evaluation criteria from the key metrics for the goals and subgoals of the search & recommendations user experience & ML, & business.
    vsuc_fltilesrefresh_TrophyIcon Recommender Systems
    Recommendation System
    Information Retrieval
    AI Development
    Mobile App Strategy
    Business Strategy
    Product Strategy
    Team Management
    Ecommerce
    Ecommerce Functionality
    Product Analytics
    User Behavior Analytics
    Business Analysis
    Scrum
    Product Backlog
    Product Management
  • $135 hourly
    Driving business value through innovative data solutions and AI-powered insights. I transform complex data challenges into actionable strategies, helping organizations make data-driven decisions and achieve measurable growth. I am a highly skilled data scientist, software engineer, hands-on manager, and consultant with extensive experience in various industries, from early-stage startups to multinational corporations such as Sony, General Assembly, and Genesys. My expertise includes statistics, SQL, machine learning, parametric modeling, recommender systems, NLP/LLMs/OpenAI, RNNs, dashboard development, web scraping, and production-level deployment of data models. 𝗞𝗲𝘆 𝗔𝗰𝗰𝗼𝗺𝗽𝗹𝗶𝘀𝗵𝗺𝗲𝗻𝘁𝘀: • Contributing editor for "The Informed Company" (ISBN-10: 1119748003) • Data visualization key speaker at ODSC West 2020 • Founding instructor of General Assembly's full-time Data Science Immersive Program • 𝗥𝗮𝗻𝗸𝗲𝗱 𝗶𝗻 𝘁𝗵𝗲 𝘁𝗼𝗽 𝟵𝟴% of Python programmers (Sourcerer.io/dyerrington) • 3rd Place in the AT&T Data For Diplomas competition • Developed a recommender system for a mainstream dating company, i𝗻𝗰𝗿𝗲𝗮𝘀𝗶𝗻𝗴 𝗱𝗮𝗶𝗹𝘆 𝗮𝘃𝗲𝗿𝗮𝗴𝗲 𝘀𝗲𝘀𝘀𝗶𝗼𝗻 𝗹𝗲𝗻𝗴𝘁𝗵 𝗯𝘆 𝟭𝟱% • Created a churn model for one of China's largest mobile game titles, 𝗿𝗲𝗱𝘂𝗰𝗶𝗻𝗴 𝗳𝗶𝗿𝘀𝘁-𝗱𝗮𝘆 𝘂𝘀𝗲𝗿 𝗰𝗵𝘂𝗿𝗻 𝗯𝘆 𝟯% • Managed the ETL of 6 million artists to a structured warehouse for analytics at Sony 𝗥𝗲𝗰𝗲𝗻𝘁 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀: • Defined proprietary customer experience metrics and led the development of comprehensive correlation analysis toolsets for a global Fortune 500 company, 𝗿𝗲𝘀𝘂𝗹𝘁𝗶𝗻𝗴 𝗶𝗻 𝗮 𝟮𝟬% 𝗶𝗺𝗽𝗿𝗼𝘃𝗲𝗺𝗲𝗻𝘁 𝗶𝗻 𝗰𝘂𝘀𝘁𝗼𝗺𝗲𝗿 𝘀𝗮𝘁𝗶𝘀𝗳𝗮𝗰𝘁𝗶𝗼𝗻 𝘀𝗰𝗼𝗿𝗲𝘀. • Guided financial consulting client through a project to identify key opportunities for targeted campaigns using OpenAI, Google Maps API, and USDA resources, significantly 𝗶𝗻𝗰𝗿𝗲𝗮𝘀𝗶𝗻𝗴 𝗰𝗼𝗻𝗳𝗶𝗿𝗺𝗲𝗱 𝘀𝗮𝗹𝗲𝘀 𝗹𝗲𝗮𝗱𝘀 𝗯𝘆 𝟯𝟱%. 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝗸𝗶𝗹𝗹𝘀: • 𝗠𝗮𝗰𝗵𝗶𝗻𝗲 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 & 𝗗𝗮𝘁𝗮 𝗦𝗰𝗶𝗲𝗻𝗰𝗲: Linear models, correlation analysis, tree-based methods, ensemble methods, dimensionality reduction, neural networks • 𝗡𝗟𝗣 & 𝗟𝗟𝗠: Sentiment analysis, topic modeling, custom NER algorithms, OpenAI, GPT-4, Llama, Langchain, Retrieval Augmentation Segmentation (RAG) • 𝗗𝗮𝘁𝗮 𝗩𝗶𝘀𝘂𝗮𝗹𝗶𝘇𝗮𝘁𝗶𝗼𝗻 & 𝗗𝗮𝘀𝗵𝗯𝗼𝗮𝗿𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Matplotlib, Seaborn, Bokeh, Tableau, Data Studio, Flask, Django, React, Material UI • 𝗕𝗶𝗴 𝗗𝗮𝘁𝗮 & 𝗖𝗹𝗼𝘂𝗱 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: Spark, Hive, EMR, BigQuery, Redshift, Airflow, Kubernetes, AWS, Azure, Google Cloud • 𝗣𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 𝗠𝗟 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁: MFlow, GKE, MageAI • 𝗪𝗲𝗯 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 & 𝗔𝗣𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Scrapy, Playwrite, Selenium, PhantomJS, FastAPI, RESTful APIs With a proven track record of quickly adapting to new technologies and domains, I excel at tackling unique challenges and delivering innovative solutions. Let's collaborate to achieve your data science and software engineering goals. Whether you need advanced machine learning models, big data solutions, or full-stack development, I bring a wealth of experience and a proven track record of delivering impactful results.
    vsuc_fltilesrefresh_TrophyIcon Recommender Systems
    Data Visualization
    Django
    Google Cloud Platform
    ETL
    ETL Pipeline
    SQL
    Matplotlib
    Deep Learning
    Natural Language Processing
    Machine Learning
    Keras
    Data Science
    Python
    pandas
    Python Scikit-Learn
    Recommendation System
  • $35 hourly
    As a dedicated developer with a passion for crafting impactful online experiences, I specialize in building websites tailored to the unique needs of small and medium-sized businesses. Whether you're aiming to secure new clients, showcase your services, or launch a thriving online store, I bring a wealth of expertise to the table.
    vsuc_fltilesrefresh_TrophyIcon Recommender Systems
    Java
    C++
    JavaScript
    CSS
    HTML
    React
    Recommendation System
    Python
    API Development
    Web Development
  • Want to browse more freelancers?
    Sign up

How hiring on Upwork works

1. Post a job

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.

Trusted by 5M+ businesses