Data Science Experts k zaměstnání
Zobrazuje 129 výsledků
Sponzorovaní freelanceři
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Zaměstnejte uživatele Herculesz
Principal / Head AI Engineer with 25+ years of experience architecting and scaling complex software systems, now specializing in Large Language Models (LLMs), agentic workflows, and AI-first product development. Proven expertise in integrating OpenAI APIs, building RAG pipelines, and deploying scalable,...Principal / Head AI Engineer with 25+ years of experience architecting and scaling complex software systems, now specializing in Large Language Models (LLMs), agentic workflows, and AI-first product development. Proven expertise in integrating OpenAI APIs, building RAG pipelines, and deploying scalable, production-grade LLM features using LangChain, pgvector, Pinecone, and related technologies. Hands-on leader with a track record of transforming business workflows through intelligent systems—semantic search, AI copilots, and conversational agents—while maintaining rigorous engineering standards across DevOps, observability, and frontend/backend architecture. Deep experience in embedding optimization, prompt engineering, fine-tuning GPT models, and delivering generative AI(GenAI) products that drive measurable impact. Skilled in mentoring engineers, leading cross-functional AI initiatives, and aligning technical strategy with executive goals in fast-paced, innovation-driven environments. Passionate about building the next generation of human-centered AI systems. méně -
Zaměstnejte uživatele WycOj
VERIFIED ||STATISTICIAN ||RESEARCHER||CHEMIST I am a Biostatistician, Data Analyst and Researcher with a solid background in data science and medical data analysis with research having experience of over 7 years; I provide these services : Data cleaning and manipulation(DATA WRANGLING) Data coding and...VERIFIED ||STATISTICIAN ||RESEARCHER||CHEMIST I am a Biostatistician, Data Analyst and Researcher with a solid background in data science and medical data analysis with research having experience of over 7 years; I provide these services : Data cleaning and manipulation(DATA WRANGLING) Data coding and encoding Systematic review and Meta analysis(From search of articles, analysis, writing journals) Statistical analysis, PCA, EFA, EDA, All tests ; parametric and non-parametric Structural Equation modelling using AMOS[SEM],R, Smart PLS Machine learning and modelling IN PYTHON /R Deep learning and NLP modelling(classification, regression, neural networks) Data Visualisations and dashboards, using, Excel, Tableau and Power Bi,R,Python(seaborn/matplotlib) Qualitative(thematic analysis) and quantitative analysis Predictive analytics and predictive models such regression models Time series analysis, DCC GARCH models, SARIMAX ,ARIMA models,LSTM Biostatistics and Medical data analysis Econometrics Geospatial analysis Sales Data analysis , getting trends and insights Academic writing and research Majored in the following software’s and Languages SPSS & SPSS AMOS, Excel,R studio,STATA,JAMOVI,SAS,MINITAB SMART PLS,NVIVO,Python,SQL, Tableau , Power Bi, WEKA, STATISTICA. Qualtrics, Jasp, Atlas .ti, MAXDA I n addition , I also have a good command in chemistry and research and I offer the following services; Medical research , Journals Advanced synthesis of compounds and reaction mechanisms Formulations of new products (organic and inorganic ). Chemical engineering Research papers and lab reports. Research papers, literature review, Academic writing. Proof reading and editing. Desertations and Thesis. Tools and Databases: Cochrane Library PubMed ClinicalTrial.gov Scopus Web of Science Welcome :AVAILABLE 24/7: QUALITY WORK GUARANTEED WITHIN THE TIME LIMIT méně -
Zaměstnejte uživatele xuezhe315
I am a seasoned software engineer with a proven track record of delivering cutting-edge, user-centric digital solutions for startups, enterprises, and global brands. My work spans the entire software development lifecycle — from ideation and architecture to deployment and optimization — with a focus on modern web,...I am a seasoned software engineer with a proven track record of delivering cutting-edge, user-centric digital solutions for startups, enterprises, and global brands. My work spans the entire software development lifecycle — from ideation and architecture to deployment and optimization — with a focus on modern web, mobile, and AI-driven applications. Over the years, I’ve mastered the art of blending aesthetics, performance, and scalability, ensuring every project I touch not only meets technical requirements but also drives measurable business growth. 🔹 My Core Expertise Web Development (Frontend & Backend) Modern JavaScript frameworks: React.js, Vue.js, Next.js Backend mastery: Node.js, Django, FastAPI, Laravel Styling & UI: Tailwind CSS, Material UI, custom component libraries REST & GraphQL APIs, real-time applications, PWA development Mobile Development Cross-platform excellence: React Native, Expo, Flutter High-performance native integrations Pixel-perfect, responsive mobile UI/UX Artificial Intelligence & Machine Learning Natural Language Processing (NLP), computer vision, predictive modeling Custom model training & deployment (TensorFlow, PyTorch, scikit-learn) GPT, Vertex AI, OpenAI API integrations for chatbots, automation & intelligent decision-making Data pipelines, analytics dashboards, AI-powered automation Cloud & DevOps AWS, GCP, Azure deployment & scaling Docker, Kubernetes, CI/CD pipelines, serverless architectures PostgreSQL, MySQL, MongoDB, Firebase 💼 Why Clients Choose Me Proven Delivery: Successfully led 20+ full-scale projects from concept to production. Business-Driven Mindset: I translate technical complexity into real-world business outcomes. Scalable Solutions: Architected systems that support millions of users without compromising performance. Transparent Communication: Clear, proactive, and client-focused at every stage. Whether you’re launching a high-growth SaaS platform, building an AI-powered mobile app, or modernizing your digital ecosystem, I bring a unique blend of deep technical expertise and strategic thinking to turn complex visions into flawless reality. méně -
Zaměstnejte uživatele JesusVelasquezz
JesusVelasquezz JesusVelasquezz
$11 USD / hod.
Senior FullStack/Software Engineer/DesignerVenezuelaMy name is Jesús Velásquez, Senior Software Engineer & Digital Designer What services can i do for you? - Full Stack Web Development - Mobile App Development (iOS & Android) - UI/UX Design (Wireframing, Prototyping, and User Research) - 3D Modeling, Rendering, and Animation - API Development and Integration (REST &...My name is Jesús Velásquez, Senior Software Engineer & Digital Designer What services can i do for you? - Full Stack Web Development - Mobile App Development (iOS & Android) - UI/UX Design (Wireframing, Prototyping, and User Research) - 3D Modeling, Rendering, and Animation - API Development and Integration (REST & GraphQL) - Database Design and Management - DevOps and Cloud Deployment Technologies JavaScript, TypeScript, React, Angular, Vue.js, Node.js, Python, Java, PHP, C#, React Native, Flutter, Swift, Kotlin, HTML5, CSS3, SQL, PostgreSQL, MySQL, MongoDB, Firebase, Git, Docker, Figma, Blender, Wordpress. méně -
Zaměstnejte uživatele kend27
I build intelligent systems that understand the world through audio, images, and data. With expertise across machine learning, deep learning, and real-time AI, I help companies turn raw inputs—speech, video, documents, sensor streams—into powerful, production-ready applications. What I Do Voice AI Development: ASR,...I build intelligent systems that understand the world through audio, images, and data. With expertise across machine learning, deep learning, and real-time AI, I help companies turn raw inputs—speech, video, documents, sensor streams—into powerful, production-ready applications. What I Do Voice AI Development: ASR, TTS, diarization, voice activity detection, emotion classification, realtime WebSocket audio pipelines, and LLM-based conversational AI systems. Computer Vision: Object detection (YOLOv8/RTDETR), image classification, OCR, document intelligence, multi-object tracking, pose estimation, and custom model training with PyTorch/TensorFlow. Data Science & Machine Learning: Predictive modeling, time-series forecasting, embeddings, RAG, NLP, evaluation pipelines, and end-to-end data workflows. Tech Stack ML/DL: Python, PyTorch, TensorFlow, OpenCV, HuggingFace, Transformers Voice AI: Whisper, NeMo, Deepgram, Silero, WebRTC, VAD, TTS models CV: YOLO, Detectron2, OpenCV, LayoutLM, PaddleOCR Pipelines: FastAPI, Docker, Airflow, MLflow, Redis, Kafka Cloud: AWS, GCP, Azure Tools: Jupyter, CVAT, Label Studio, DVC, W&B What You Get Working With Me Clean, production-grade code Clear communication and frequent updates Models optimized for accuracy, latency, and cost Fast turnaround and reliable delivery A partner who thinks about product and engineering Example Projects Built real-time voice assistant using Whisper + LLM with <200ms latency Developed end-to-end document OCR + structured extraction pipeline Trained custom YOLO models for object detection, tracking, and quality inspection Built multimodal AI for audio–video emotion recognition Automated data pipelines for millions of records with MLflow + DVC If you need a serious engineer who understands the full lifecycle—from data → model → deployment—let’s build something great together. Send me a message anytime. I respond quickly. méně -
Zaměstnejte uživatele kreativesystem91
kreativesystem91 kreativesystem91
$15 USD / hod.
✅Web✅Python✅Automation✅Bots✅Scrapping✅PHP✅ANDROIDVenezuelaI am a passionate python developer with excellent experience in other web technologies. I have a strong grip on the Python core and related troubleshooting. Using python, I can create scalable web applications compatible with big data/web scrapping with its analytics. I have experience in the following: ✅ Interface...I am a passionate python developer with excellent experience in other web technologies. I have a strong grip on the Python core and related troubleshooting. Using python, I can create scalable web applications compatible with big data/web scrapping with its analytics. I have experience in the following: ✅ Interface (HTML, CSS, javascript, Jquery, GraphQL) ✅ Backend (Python, Django, Flask, API Integration, REST API, PHP) ✅ Database (MYSQL, MongoDB, PostgreSQL) ✅ GUI development (PYQT, Tkinter) ✅ Web scrapping (BeautifulSoup, Selenium) ✅ Automation (Selenium webdriver, Zapier) ✅ Data analysis (Numpy, Pandas) ✅ Data-driven Python web applications (Dash / Plotly / Streamlit) ✅ Web applications with PHP (Laravel, Codeigniter) ✅ AWS (Amazon web services) méně -
Zaměstnejte uživatele hussainmuzammal4
hussainmuzammal4 hussainmuzammal4
$20 USD / hod.
Software, AI, IT & Embedded Systems SpecialistPakistan..."بسم اللہ الرحمٰن الرحیم" صلی اللہ علیہ وسلم".... I’m Muzammal Hussain, Working as an IT Freelancer since 2021, specializing in building tailored teams of certified freelance experts to deliver end-to-end IT solutions. I act as a single point of contact, ensuring smooth coordination, quality delivery, and a......"بسم اللہ الرحمٰن الرحیم" صلی اللہ علیہ وسلم".... I’m Muzammal Hussain, Working as an IT Freelancer since 2021, specializing in building tailored teams of certified freelance experts to deliver end-to-end IT solutions. I act as a single point of contact, ensuring smooth coordination, quality delivery, and a hassle-free development experience for clients. GitHub: https://github.com/MuzammalHussain07 How We Work You share your project goals and requirements I assemble the most suitable specialists from my professional network We deliver and manage the complete solution under one coordinated workflow Our Technical Expertise Development Web: Bubble.io, Webflow Desktop: Java, Python, C# Mobile: Android, iOS, React Native Finance & Analytics Sewing Packing & Shipping Investment Analysis, Risk Tolerance Assessment Telecom & Marketing VoIP, SIP, Asterisk Telemarketing, Internet Marketing Data, Trading & AI Sierra Chart, ThinkOrSwim Machine Learning, OpenCV Hardware & Design Embedded Systems, Arduino, Raspberry Pi PCB Design, AutoCAD, Fusion 360, Civil Engineering. Structural Engineering Partner with us for a flexible, expert-driven approach to your IT projects. Open to discussion before engagement. Regards, Muzammal H. & Team méně -
Zaměstnejte uživatele EugeneLebedev
EugeneLebedev EugeneLebedev
$100 USD / hod.
Microsoft Power Platform, Tableau, Looker, GA4United KingdomMy background is in data analytics as I got my Masters in Business Analytics in 2019. I have 3+ years of experience as a Financial Analyst at Autodesk where I created management reports for Sales and Finance directors. In 2020 I started freelancing and in 2021 I registered my company and started hiring more people....My background is in data analytics as I got my Masters in Business Analytics in 2019. I have 3+ years of experience as a Financial Analyst at Autodesk where I created management reports for Sales and Finance directors. In 2020 I started freelancing and in 2021 I registered my company and started hiring more people. Right now we are a team of 12 professionals who have completed projects for 500+ clients around the world. Services that I provide: - Creating dashboards in Power BI, Looker Studio, Tableau and DOMO. - Event tracking and auditing GA4 accounts. - Automatically extracting data from APIs to Azure or GCP. Biggest achievements: - Created BI dashboards for Google, TelePerformance Marketing and Autodesk - Created Power Apps for American Express and Delta Airlines - Automated data extraction and transformation saving 80 working hours per week to a UK engineering consultancy How can I help you: - Create dashboards that actually support business decisions. Not just turn data into a bunch of pivot tables. - Save you time automating the data extraction and transformation - Create Power Apps that make your processes digital and standard - Discover insights with machine learning If the above sounds like something you need, why don’t we talk? I am available almost 24/7 méně -
Zaměstnejte uživatele Danlp81
Hello and welcome! Ready to take your geospatial projects to the next level? We are a consulting firm led by Eng. Daniel León, a specialist in Civil Engineering and Surveying with a graduate degree in Environmental Engineering, dedicated to providing GIS solutions that-boost results in geomarketing, energy and...Hello and welcome! Ready to take your geospatial projects to the next level? We are a consulting firm led by Eng. Daniel León, a specialist in Civil Engineering and Surveying with a graduate degree in Environmental Engineering, dedicated to providing GIS solutions that-boost results in geomarketing, energy and mining. We have experience designing interactive maps, dashboards and predictive models that have optimized decision making time by up to 80%. Our proficiency in ArcGIS, Python and automation methodologies allows us to approach each project with precision and efficiency, whether it is to define the best location for a point of sale or to select the most profitable areas for the installation of energy infrastructure. We work with continuous communication, timely delivery and a strong commitment to excellence. If you are looking for a geospatial consultancy that combines innovation, accountability and measurable results, you are in the right place, contact us and let's build the future of your project together! méně -
Zaměstnejte uživatele umg536
Modular Solutions® Modular Solutions has a track record of 100 percent, all 5 stars and a go-to firm for harnessing the latest advancements in engineering and development to propel your business forward. We're a team of passionate professionals with a proven track record, consistently earning over 100 ecstatic...Modular Solutions® Modular Solutions has a track record of 100 percent, all 5 stars and a go-to firm for harnessing the latest advancements in engineering and development to propel your business forward. We're a team of passionate professionals with a proven track record, consistently earning over 100 ecstatic 5-star reviews from satisfied clients. Our expertise lies in: Data Analysis: Utilizing industry-leading tools like SPSS, R, Hadoop, and Spark, we extract actionable insights from complex data sets, empowering data-driven decision-making. Software Development: We wield a diverse arsenal of programming languages (Python, Java, C++, etc.) to craft custom software solutions that streamline workflows and meet your specific needs. Engineering Services: Our expertise spans across electrical, mechanical, civil, and software engineering, leveraging industry-standard software like AutoCAD, SolidWorks, and ANSYS to deliver precise and efficient solutions. Machine Learning & AI: We stay at the forefront of technological advancements, integrating machine learning and artificial intelligence into your projects to automate tasks and optimize processes. Development: best on any freelance websites, freelancer platform we offer developers software, hire freelancers from laravel developers to wordpress website developer or freelance digital marketing. Collaboration is paramount. We work closely with you, prioritizing transparency throughout the project lifecycle to ensure your vision becomes reality. Let Modular Solutions be your trusted partner in innovation. By leveraging our expertise in big data, automation, and cutting-edge technologies, we'll craft solutions that unlock your business potential and drive tangible results. Ready to join the ranks of our 100+ satisfied clients? Contact us for a free session today to discuss your project and see how Modular Solutions can help you achieve your goals. méně
