🚀 Top Rated Plus AI Engineer | $80K+ Earned on Upwork | 100% Production-Focused AI Solutions I help startups, SaaS companies, healthcare organizations, and enterprises build production-ready AI applications using Generative AI, AI Agents, LLMs, RAG, Computer Vision, and intelligent automation. With proven experience delivering AI solutions on Upwork, I develop scalable systems that automate workflows, improve business decisions, reduce manual effort, and transform complex data into intelligent applications. What I Can Build ✅ AI Agents & Agentic AI Workflows • AI Agents using LangChain, LangGraph, CrewAI, AutoGen, MCP • Multi-Agent Systems • AI Assistants & AI Copilots • Workflow Automation • Task Planning & Tool Calling ✅ Generative AI & LLM Development • OpenAI GPT-4o / GPT-5 APIs • Claude AI • Gemini AI • Llama Models • Prompt Engineering • Function Calling • Structured Output Generation • Fine-tuning Support ✅ RAG (Retrieval-Augmented Generation) • Enterprise RAG Applications • Knowledge Base Chatbots • PDF Chatbots • Document Q&A Systems • Semantic Search • Embeddings • Vector Search • LangChain • LlamaIndex • Pinecone • Weaviate • FAISS • Qdrant • ChromaDB • pgvector ✅ Computer Vision & Image AI • YOLO • OpenCV • Object Detection • Object Tracking • Image Processing • OCR • Document AI • Image Classification • Video Analytics • Visual Inspection • Pose Estimation • Defect Detection • Industrial Automation • Image Annotation • AI-powered Surveillance ✅ Medical AI & Healthcare AI • Medical Imaging • Clinical Decision Support • Healthcare Automation • Genomics • Bioinformatics • Protein Modeling • Drug Discovery AI • Predictive Analytics • Clinical Data Processing • Medical Document Intelligence ✅ Data Intelligence & Automation • OCR • PDF Processing • Data Extraction • ETL Pipelines • AI Workflow Automation • Intelligent Document Processing • Data Analytics • Geospatial AI • GIS Analytics Technologies Python FastAPI OpenAI API Claude API Gemini API LangChain LangGraph LlamaIndex CrewAI AutoGen OpenCV YOLO TensorFlow PyTorch Docker AWS Azure AI REST APIs Node.js PostgreSQL Redis Pinecone Weaviate Qdrant FAISS ChromaDB Git Linux Why Clients Work With Me ✔ Production-ready AI systems ✔ Clean and scalable architecture ✔ Fast communication ✔ Business-focused AI solutions ✔ Cost-optimized LLM implementations ✔ Long-term support ✔ Reliable delivery If you're looking for an experienced AI Engineer to build AI Agents, Generative AI applications, RAG systems, Computer Vision solutions, Medical AI platforms, or enterprise AI automation, I'd be happy to discuss your project and recommend the best approach.

With 8+ years of extensive experience in software development, I specialize in building high performance, scalable, and user centric WEB and DESKTOP APPLICATIONS using modern technologies. My core expertise lies in Microsoft based development (.NET, C#, ASP.NET Core/MVC, Blazor), combined with modern frontend frameworks like React, Angular, and mapping/GIS tools including ArcGIS. I also have strong proficiency in working with a variety of databases, including SQL Server, PostgreSQL, Supabase, MySQL, and MongoDB; ensuring robust data modeling, performance tuning, and secure data handling across applications. Whether you need an enterprise-grade backend, interactive frontend interfaces, geospatial data integration, or a reliable full-stack partner, I bring the right blend of technical skill, professionalism, and client focused service. - Why Clients Hire Me: A. Proven Track Record – Top Rated, $100K+ earnings, and 90%+ long-term client retention. B. Strict Deadline Adherence – I consistently deliver on time, without compromising quality. C. Scalable, Clean Code – Maintainable, modular codebase following best practices. D. Exceptional Communication – Transparent, responsive, and proactive collaboration. - Technical Expertise: a. Backend: C#, ASP.NET Core/MVC, Web API, Node.js, Express.js, Blazor, OWIN, IIS b. Frontend: React, Angular, Razor, Next.js, Vue.js, Typescript, Bootstrap, Tailwind CSS, Kendo UI, jQuery c. GIS/Mapping: ArcGIS JavaScript API, ArcGIS REST services integration d. Databases: SQL Server, PostgreSQL, MySQL, Supabase, MongoDB e. Cloud/DevOps: Azure DevOps, AWS (S3, EC2, Lambda), GitHub Actions, Docker f. APIs & Integrations: REST, GraphQL, SOAP/WSDL, SSO/Auth systems Primary Skills (Core Stack): - Full Stack Developer - .NET Developer - ASP.NET Core Developer - C# Backend Developer - React.js Developer - Angular Developer - Blazor Developer - MAUI App Developer - .NET MAUI Developer - Web API Developer - Entity Framework Core - Razor Pages - SignalR Developer Frontend Technologies: - JavaScript Developer - TypeScript Developer - HTML5 / CSS3 / SCSS - Responsive Web Design - Tailwind CSS - Bootstrap - React Hooks - Angular Material - RxJS - Material UI (MUI) Backend / Server-Side - ASP.NET Core Web API - RESTful API Development - Microservices Architecture - Clean Architecture - Dependency Injection - Middleware in .NET - LINQ / EF Core - SQL Server / PostgreSQL / MySQL - IdentityServer / JWT Authentication Version Control & Tools: - Git / GitHub / GitLab / Bitbucket - Azure DevOps Pipelines - Jira / Trello / ClickUp - Visual Studio 2022 - Postman / Swagger - Figma to React/Angular Testing & Quality: - Unit Testing in .NET (xUnit, MSTest) - Jest for React - Cypress / Selenium - Playwright - Code Review & Refactoring Cloud & DevOps: - Azure Developer - AWS Developer - Azure App Services - Azure Functions - AWS Lambda - CI/CD (GitHub Actions, Azure DevOps) - Docker - Kubernetes - Cloudflare I work with different technologies and like complex and long-term projects, my experience allows me to solve complex problems related to the design of the project during the negotiation phase. I prefer long-term cooperation with the client and therefore try to provide maximum comfort and quality.

A geospatial data analyst with workflow automation skills. With a degree in Geomatic Engineering, I generate insights from raw data using my proven expertise in GIS tools and programming. ArcGIS, QGIS, Google Earth, PostgreSQL, Python, R are some tools I use to obtain results. Inputs I have made provide insights in real estate, retail, agriculture.

I help businesses 𝐭𝐮𝐫𝐧 𝐜𝐨𝐦𝐩𝐥𝐞𝐱, 𝐬𝐜𝐚𝐭𝐭𝐞𝐫𝐞𝐝 𝐝𝐚𝐭𝐚 𝐢𝐧𝐭𝐨 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐞𝐝 𝐝𝐚𝐬𝐡𝐛𝐨𝐚𝐫𝐝𝐬, 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐄𝐓𝐋 𝐩𝐢𝐩𝐞𝐥𝐢𝐧𝐞𝐬, and real-time analytics systems that eliminate manual reporting and enable faster, smarter decision-making. I specialize in building 𝐞𝐧𝐝-𝐭𝐨-𝐞𝐧𝐝 𝐝𝐚𝐭𝐚 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 𝐚𝐧𝐝 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 𝐮𝐬𝐢𝐧𝐠 𝐀𝐖𝐒, 𝐁𝐢𝐠𝐐𝐮𝐞𝐫𝐲, 𝐒𝐐𝐋, 𝐏𝐲𝐭𝐡𝐨𝐧, 𝐚𝐧𝐝 𝐏𝐨𝐰𝐞𝐫 𝐁𝐈, helping companies move from fragmented data systems to fully automated data ecosystems. With 7+ years of experience in 𝐃𝐚𝐭𝐚 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 𝐚𝐧𝐝 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞, I design and implement scalable, cloud-based data solutions including data pipelines, data warehouses, reporting systems, and workflow automation architectures. I have successfully delivered 250+ projects for startups, SMEs, and enterprise clients across industries such as finance, SaaS, e-commerce, healthcare, logistics, and operations, consistently improving reporting speed, data accuracy, and business visibility. Whether you need automated dashboards, cloud data pipelines, data warehouse solutions, or reporting systems, I can help you build a reliable and scalable data infrastructure that supports better decision-making. 📌𝐒𝐄𝐑𝐕𝐈𝐂𝐄𝐒 𝐈 𝐎𝐅𝐅𝐄𝐑 📊 𝐏𝐨𝐰𝐞𝐫 𝐁𝐈 & 𝐁𝐈 𝐃𝐚𝐬𝐡𝐛𝐨𝐚𝐫𝐝𝐬 ◼Executive & KPI dashboards (Finance, Sales, Operations) ◼Advanced DAX calculations & Power Query (M) ◼Row-Level Security (RLS) ◼Data modeling (Star & Snowflake schema) ◼Automated reporting systems ⚙️ 𝐃𝐚𝐭𝐚 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 & 𝐄𝐓𝐋 𝐏𝐢𝐩𝐞𝐥𝐢𝐧𝐞𝐬 ◼ETL/ELT pipelines using Python, SQL, PySpark ◼API & multi-source data integration ◼Data transformation workflows (dbt) ◼Data validation & quality frameworks ◼Performance optimization ☁️ 𝐂𝐥𝐨𝐮𝐝 𝐃𝐚𝐭𝐚 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 ◼AWS (S3, Glue, Redshift, Lambda) ◼Google BigQuery ◼Snowflake & Databricks ◼Azure Data Factory ◼Data warehouse design & migration 📈 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐈𝐦𝐩𝐚𝐜𝐭 ◼50–70% reduction in manual reporting effort ◼Real-time dashboards for leadership decisions ◼Scalable and secure data architecture ◼Single source of truth across all systems ◼Faster, data-driven decision making 🛠 𝐓𝐄𝐂𝐇 𝐒𝐓𝐀𝐂𝐊 Power BI | SQL | Python | PySpark | AWS | BigQuery | Snowflake | Azure Data Factory | Databricks | dbt | ETL Pipelines | Data Warehousing | API Integration | Data Modeling | DAX | Power Query 🤝 𝐖𝐡𝐨 𝐈 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐈 𝐰𝐨𝐫𝐤 𝐰𝐢𝐭𝐡: ✔Startups scaling their data systems ✔SMEs needing automated reporting ✔Enterprises modernizing legacy data pipelines ✔Teams struggling with messy spreadsheets or disconnected data 💡 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐇𝐢𝐫𝐞 𝐌𝐞 I focus on building production-grade data systems that are scalable, automated, secure, and easy to maintain. My goal is not just to create dashboards, but to help businesses make faster, smarter, and data-driven decisions with confidence. 𝐈𝐟 𝐲𝐨𝐮 𝐧𝐞𝐞𝐝 𝐚 𝐫𝐞𝐥𝐢𝐚𝐛𝐥𝐞 𝐃𝐚𝐭𝐚 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 𝐨𝐫 𝐏𝐨𝐰𝐞𝐫 𝐁𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐰𝐡𝐨 𝐜𝐚𝐧 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐞 𝐰𝐨𝐫𝐤𝐟𝐥𝐨𝐰𝐬, 𝐨𝐩𝐭𝐢𝐦𝐢𝐳𝐞 𝐫𝐞𝐩𝐨𝐫𝐭𝐢𝐧𝐠, 𝐚𝐧𝐝 𝐛𝐮𝐢𝐥𝐝 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐝𝐚𝐭𝐚 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬, 𝐬𝐞𝐧𝐝 𝐦𝐞 𝐚 𝐦𝐞𝐬𝐬𝐚𝐠𝐞 𝐰𝐢𝐭𝐡 𝐲𝐨𝐮𝐫 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝐝𝐞𝐭𝐚𝐢𝐥𝐬.

I'm Ben Feifke, and I help my clients turn their data into their competitive edge. For the past year, I've been helping small to medium sized businesses discover and leverage the immense value locked in their data as a Top Rated, 5-Star Freelancer on Upwork. I have 10+ years experience as a data scientist and machine learning engineer for top companies, including a publicly listed company and as the founding engineer at a Y-Combinator backed startup. I've worked across a number of domains, including but not limited to: geospatial data and GIS applications, logistics and transportation, healthcare and medical technology, price optimization, social media data, sentiment analysis, building energy performance and modeling, and more. Beyond technical excellence in delivering value from data, I'm a clear communicator to audiences of all technical levels. I look forward to getting to know you and your business. Services I Offer: - ML/AI Product Development: helping you turn your ML idea and data into a clearly codified vision with an executable roadmap and timeline. - ML and Data Software Engineering: improving, optimizing, and extending the functionality of your already existing software, ML, or data solutions; I can start a project from scratch or get up and running on your ongoing project in 24 hours. - Cloud Development: Deploying, monitoring, or improving your software or data solutions in the cloud. - Business Automation: Optimizing and automating your business processes, enabling you to focus on what really matters. Why Hire Me: - Bringing success to your project is my #1 priority - I respond within 3 hours to any technical issue or question that arises during work hours, 6 days a week. Qualifications: - 5+ years working experience as a Senior Data Scientist, Machine Learning Engineer, Data Engineer, and Manager. - MS Data Science from University of Rochester - BS Optics from University of Rochester - Published Data Science blog with 15k+ reads Skills I Possess: - Programming Languages: Python (Numpy, Scipy, Scikit-Learn, Pandas, Polars, Keras, Tensorflow), SQL - Machine Learning Techniques: Regression, Statistics, Gradient Boosting, Maximum Likelihood Estimation, Probabilistic Graphical Models, Deep Learning, Hyperparameter Tuning. - Data Processing and Transformation: Apache Spark, Python Polars, AWS Glue - Dashboards: Looker, Tableau - Cloud: Amazon Web Services (AWS), Google Cloud Project (GCP) - Data Warehouse, Data Lake, Databases: GCP BigQuery, AWS Athena, PostgreSQL, MySQL, SQLite - Data Pipelines, Infrastructure, and Orchestration: Apache Airflow, Mage, dbt - Deployment and DevOps: CI/CD, Docker, Streamlit

Software Development Engineer Core Competencies: • RESTful API, Web Services, Microservices • Programming language (JavaScript, PHP, Perl, Ruby, Java, Python, Go, .NET) • Java frameworks (Spring, Spring Boot) • Messaging (Apache Kafka, AWS SQS) • Big Data (Apache Spark, Apache Airflow, Sqoop, Presto/Trino, Apache Flink, Elasticsearch) • DB (SQL, NoSQL (Redis, Casandra, DynamoDB, BigTable)) • CI/CD • Monitoring/Observability • Testing Strategy • AWS • Code Review • Interview

I am a results-oriented GIS Analyst, Business Analyst, cartographer, and Mapbox developer with 15 years experience. The one thing that sets me apart is my expensive track record of satisfied customers. I will work hard for you and provide nothing, but the highest quality work. Areas of expertise: * Interactive web mapping: Mapbox, cartodb, Google Maps+, d3.js, ESRI Online * GIS analysis and mapping: ArcMap, QGIS, ArcServer * Data analysis and GIS modeling (erosion, habitat, hydrology, pollution, fire/fuel) * Cartography: maps for books, magazines, web, poster (travel, historic books, etc). * Wordpress / Squarespace integration * App development: IOS, Android * Territory Analysis and Business Intelligence * Demographic analysis and summary reporting * Site selection / Network Analysis / Proximity Analysis * Tableau and PowerBI Your project is very important to me. I can be reached directly 530. 219. 4197

I am an urban planner and spatial analyst with experience supporting urban planning, environmental analysis, and disaster risk projects across public sector, consultancy, and academic contexts. I help clients make informed decisions through GIS-based spatial analysis, research-driven planning, and clear, well-structured reports. My work bridges data, policy, and design translating complex information into practical insights, maps, and visuals that are easy to understand and ready for use. My areas of support include: - Urban and regional spatial analysis - GIS mapping and data visualization - Site analysis and master planning support - Research, policy review, and planning reports I work remotely with a structured, communicative approach and deliver clear, reliable outputs tailored to each project’s goals and audience. Feel free to contact me to discuss your project, I’m happy to respond promptly and explore how I can support your planning needs!

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!

🌍 Climate Data Scientist | Meteorologist | Climatologist "Turning Climate Data into Actionable Insights" As a Data Scientist with a Master's in Meteorology and Climatology, I specialize in obtaining and transforming complex climate data into meaningful insights for businesses, researchers, and environmental stakeholders. My expertise includes: 📊 Advance Modeling & Machine Learning: Building predictive models tailored to climate and environmental data. 🌐 GIS and Geospatial Analysis: Skilled in tools like QGIS and handling NetCDF, CSV, geojson and other data formats. 🌧️ Climate Risk & Environmental Assessments: Expertise in flood prediction, wildfire risk modeling, and climate risk analysis. With a track record of delivering high-impact projects, I offer data-driven solutions to help clients make informed decisions based on climate and environmental data. Whether you need predictive modeling, geospatial analysis, or a climate risk assessment, I’m here to help. Let’s collaborate to transform your climate data into actionable insights.