I have a strong background in UNIX/Linux software development, Master's Degree in Computer Science (Data Analysis and Interpretation). I worked on Enterprise high-load distributed hosting automation systems as a Team Leader (3.5 years in SWsoft, Inc., now called Parallels). For the past 10 years I'm running my own small software development business with primary focus on Python/Django apps. Often it is not pure Web but projects that involve integration with hardware (Proximity Card Readers, Sensor Screens) or external systems like Payment Processing or SMS Gateways, Airline Reservation Systems (e.g., GABRIEL), etc. On Upwork I'm looking for interesting projects with a sight on long-term cooperation. I'm also open to smaller activities (e.g., consulting) where my knowledge can be helpful.

I am a full-time executive business consultant with an agency in Central California, and my passion is partnering with people to help them achieve their goals. My joy comes from staying on a high learning curve, seeing the inside of hundreds of businesses, and solving foundational problems with modern age tools. With 20 years in Aerospace, Commercial Manufacturing, SaaS, eCommerce, and Healthcare - I can quickly turn around short-term projects or handle complex long-term tasks. Here are some of the services I have regularly provided to employers and customers of my consulting business: - Fractional COO (Chief Operating Officer) - Product/Project Management (Certified PMP) - Talent Acquisition & Management (including contractor management) - Advanced Analytics, Models & Simulation (Including Excel VBA) - SEO Analysis and Social Media Consulting - Data Architecture, Analysis, and Visualization (PowerBI, Tableau) - Lean / Six Sigma Continuous Improvement - CMMI / ISO 9000/9001 Assistance - Technology platform architectures, team management, and SAAS business solutions - Fractional CFO (Chief Fractional Officer) - Fractional CTO (Chief Technology Officer) My commitment is to bring the same level of excellence, service, and professionalism that has brought me career success to date. I will only take on the jobs I am sure are a great fit for both of us. Tools I Love to Use: Data Analytics & Visualization: Excel, Tableau, PowerBI, Google Data Studio, Google Sheets, SQL Data Pipeline: Snowflake, Funnel.io, Adverity, Make, Zapier, OpenAI, Postman, RestAPI, GraphQL MS Office: Word, Powerpoint, Visio Finance: Quickbooks, Fathom, Vena, Jirav, Wave Web Scraping: Webscraper.IO, ParseHub, OctoParse Project Management: Microsoft Project, Trello, MeisterTask, Teamwork, Monday, Basecamp, Jira, Targetprocess, Asana, Hive Programming Languages: VBA, Fortran, HTML, CSS, Javascript, Liquid, Python CRM/DRM: Hubspot, Big Purple Dot, eleo, Give Lively, Tithe.ly Websites: Wordpress, Wix, Squarespace, Shopify, Podia Social Media: Mailchimp, Google Analytics, Metricool, Facebook Ads, SendinBlue, Segment, Hubspot Low Code: Quickbase, Zoho Creator, Caspio Other: Dynamics 365, Geru, Toonly, Doodly, Cognito Forms, Beeswax, Liveramp

From large IBM 360 mainframe monsters to modern ISP- and enterprise- oriented servers, more than 16 years, I'm working in the industry of an information technology. I have a large experience to install and configure server's hardware and software, another network equipement, to keep them in working conditions, to work in hosting-oriented team as administrator. At last years my focus of interest has extended to web-oriented applications, such as CMSs, corporate project managing software, and website developement projects with corresponding and supplementary software. Also my competency lies in server-side network services, including web-servers (not only Apache), SQL, DNS, Xen, OpenVZ, VoIP PBX, etc..etc

I am a dedicated and results-oriented freelancer with a proven track record in code analysis, code development, and computational modeling. My passion lies in deciphering intricate physical phenomena across diverse systems, including protein interactions, colloidal systems, polymers, and liquid crystals. I possess a deep understanding of numerical methods and code development and analysis. I am adept at tackling complex computational challenges, integrating theoretical concepts with practical implementation to ensure accurate and reliable simulations. I am a reliable and dependable team player, but I also work effectively independently. I am committed to continuous learning and staying at the forefront of advancements in computational modeling.

Hello! I'm an AI Engineer specializing in Machine Learning, Generative AI, and intelligent workflow automation. I currently work as an AI Engineer at a software company, where I design and deploy AI solutions that move from prototype to production. I have over four years of experience in Artificial Intelligence, beginning my career contributing to the training and evaluation of large language models for companies such as Scale AI and TELUS Digital AI. Today, my focus is on building practical AI systems that create measurable value for businesses. I'm also the founder of MENTAT, an initiative driven by the belief that state-of-the-art AI should be accessible to organizations of every size. Through MENTAT, I design AI-powered solutions that automate processes, improve decision-making, and integrate seamlessly into existing business workflows. My technical expertise includes: • Machine Learning with Python (NumPy, Pandas, XGBoost, Matplotlib) • Generative AI applications and LLM integration • AI Agents and multi-agent systems • Retrieval-Augmented Generation (RAG) • Workflow automation with n8n • AWS, Docker, Render, and cloud deployment • Supabase, PostgreSQL, and vector databases • REST APIs and end-to-end AI system integration • Specification-driven software development I can help you with: * AI agents and intelligent assistants * Business process automation * Machine Learning models and predictive analytics * RAG systems and knowledge bases * Custom AI applications * End-to-end deployment and production-ready AI solutions Additional skills: * Fluent in English and Spanish * Full project management from concept to deployment * Linux, LaTeX, Photoshop * Python, C++, and Fortran * Clear, proactive, and consistent communication throughout every project If you're looking for an engineer who can transform AI ideas into reliable production systems, I'd be happy to discuss your project.

PhD, ass. prof., expert of image and signal processing. Main experience is Earth Observation Sensors (EOS) and image processing (last 15 years) and Artificial Intelligence& Machine learning (about last 9 years) Have experience in satellite image calibration (Sich-2; Landsat-4,5,7,8; Sentinel: 1, 2, 5P). Developed algorithms and software for in-flight radiometric calibration and ground resolution estimation for Sich-2 in 4 contracts with SSAU, sub-pixel satellite image processing, data merging from different satellites (S1, S2, LC8, Sich-2, TERRA/ASTER), made multi-band visual-thermal-radar satellite images products, within Sentinel SNAP and Google Earth Engine. Have experience as visual image interpretation on certifications of airborne/satellite sensors and further data photogrammetric processing (objects height estimation). Developed GUI Matlab software for image and sound watermarking&stenography and web site for image forgery detection. Developed Matlab GUI for ultrasound medical images processing and vascular lumen detection. Image semantic classification on deep learning neural networks within Matlab and JavaScript in Google Earth Engine. Have experience in developing of the Earth Engine applications. Developed method and software for enhancement ground resolution of the thermal images on the base of merging radar, visual and thermal data. Developed speech recognition software, based on deep learning neural network. Have about 22 years experience in the mathematical simulations of different problems (statistics, linear algebra, differential and integral equations, nonlinear algebraic equations, approximations) with Fortran, Basic, Mathematica, Matlab, Excel, FEMM, LTSpice, k-wave. Have experience in AI-applications on JavaScript, Python, Tensorflow, Keras, scikit-learn for different recognition tasks (crop classification, iron ore recognition in open storage, subpixel satellite images processing, multi satellite multi bands composite processing, etc. ). Have experience in the image tamper detection by different methods (ELA, PCA, etc., also in combination with different deep learning nets models). Familiar with deep learning models training within cloud environment of Kaggle, Google Colab and own CUDA GPU. Was as scientific adviser of 15 successfully adopted PhD thesis.

I am a seasoned professional with over 34 years of development experience covering the full Software Development Life Cycle. I have a full understanding of design patterns, algorithms, cryptography standards, networking, and security protocols. I am comfortable working from the kernel to the UI. I am comfortable working independently as well as functioning as part of a high performing team. I am well versed in agile methodologies and a champion for disciplined software engineering practices

Native English speaker seeks gigs in proofreading and beta-reading. Have technical skills that I would prefer to use.

Need a data scientist who can turn complex business problems into practical AI and analytics solutions? I am a data science consultant with 15+ years of experience helping organizations improve forecasting, pricing, decision-making, and operational performance through machine learning, optimization, and AI. What differentiates me: 🔸 15+ years of experience in data science, machine learning, and optimization 🔸 PhD in Physics 🔸 Experience analyzing petabytes of data at CERN, contributing to the discovery of the Higgs boson 🔸 Lead enterprise data science, machine learning, and AI initiatives for a global technology company 🔸 Expert-Vetted on Upwork 🔸 100% Job Success Score 🔸 Trusted advisor to executives and business leaders 🔸 Experience across banking, retail loyalty programs, media measurement, distribution, logistics, and early-stage startups Areas of expertise: 🔸 Predictive analytics and machine learning 🔸 Forecasting and demand planning 🔸 Pricing optimization and revenue management 🔸 Mathematical optimization (mixed-integer programming, non-linear optimization) 🔸 NLP and LLM-powered applications 🔸 Custom analytics platforms and dashboards 🔸 Python, PySpark, Scikit-Learn, XGBoost, SQL, Snowflake, Databricks, Google Cloud, APIs, and automation Examples of recent projects: 🔸 Procurement Optimization Designed a mixed-integer optimization solution to determine optimal purchasing quantities across multiple suppliers while accounting for inventory requirements, price breaks, and free-shipping thresholds. The solution saves the client thousands of dollars each week through optimized purchasing decisions. 🔸 Forecasting and Demand Planning Designed and implemented custom forecasting models to predict future demand and support resource allocation, inventory planning, and business decision-making. 🔸 Lead Scoring and Propensity Modeling Developed machine learning models to predict lead conversion likelihood, enabling sales teams to prioritize high-value opportunities. Models were deployed into production environments integrated with SQL databases. 🔸 Pricing Simulation and Optimization Built pricing simulation and optimization tools to estimate the impact of pricing decisions on profitability, customer churn, and growth. Implemented optimization models to maximize revenue and profit while respecting business constraints. 🔸 AI-Powered Decision Support Designed custom analytics applications and decision-support systems combining machine learning, optimization, and business rules to support strategic decision-making. 🔸 Automation and Desktop Applications Developed lightweight desktop applications that automate repetitive business processes and integrate with Google Sheets, CSV/Excel files, APIs, and internal systems. 🔸 Interactive Analytics Platforms Built custom Streamlit dashboards and analytics applications for forecasting, pricing optimization, reporting, and AI-driven decision support. Applications can be integrated with Snowflake, APIs, databases, Google Sheets, and machine learning models. Whether you need a predictive model, forecasting solution, optimization engine, AI application, or a trusted advisor to help shape the solution, I would be happy to discuss your project.

I am a technical writer with five years of experience in software engineering and four years of experience in science journalism. I have a master's degree in computer science from the University of Illinois Urbana-Champaign. I enjoy translating complex technical ideas into easy-to-understand language, and I'm comfortable with research and interviews. I am familiar with Markdown, OpenAPI, and several programming languages including Python and C#. Contact me to help write manuals, user guides, developer guides, and API documentation.