Over 15 years of software development expertise: small- to large-scale projects. GUI, console, multi-tier, web, service and embedded applications. Line of Business applications. Amazon MWS API. Application domain modeling. Domain Driven Design. Distributed telemetry systems. Mission-critical telecommunication applications. Freelance/independent software development/consulting experience. Ability to lead small groups of developers. SPECIALTIES: - C#, C++, C, Objective-C; - .NET, .NET Core, EntityFramework, WebApi, WPF, MSMQ, MS Prism, MS Unity, etc.; - JSON, XML, XSLT, HTML; - Database design, stored procedures, MS SQL Server/CE, Oracle, Sqlite; - OOA&D, OOP, UML, CI, Design Patterns, UI; - Visual Studio, MSBuild, NUnit, NAnt, CCNET, SVN, TFS, ClearCase, MKS, VSS, Git, GitHub, Bitbucket; - Cocoa, Core Data, Xcode; - Enterprise Architect, Rational Rose, Visio.

I have Expert-Vetted Talent (EVT) badge - it's Upwork's top 1% freelancers — pre-screened by Upwork Talent Managers and experts in their field. Out of ~30 million programmers worldwide, only a few thousand know Algorithms & Data Structures better than I do, which is proven by programming competitions. Please, contact me if you need that skill level (top 0.01%). I can do algorithmic/performance work in C/C++, Python, SQL, Java, MQL4, MQL5, C#, Assembly, JavaScript, Julia, Rust, and probably other languages - learning them rapidly. I also work with AI, mostly in NLP and NLU: large language models including OpenAI GPT-3, Bloom, BloomZ, GPT-J 6B, LLaMA, Alpaca, etc.; HuggingFace Transformers, Accelerate; Petals, Deepspeed, zfp/zfpy; CUDA, CPU, and MPS (AArch 64 M2 MacOS Metal GPU) backends. I have some work experience with Apple Neural Engine (ANE). In AI, I also worked with XGBoost for predictions (including trading), LibSVM, TensorFlow, PyTorch, Scikit-learn, etc. I have the hardware in my home office for training and inference with large language models and other AI. English: C1 (Grammarly plugin says I use more unique words than 95% of other users, native speakers included). Polish: B1 (86%). Russian, Belarusian: Native. - With unique skills in Algorithms & Data Structures, I improve programs asymptotically (often 100 or more times on large input data). - 29 years of programming (started Basic and assembler on ZX Spectrum), 24 years of C/C++, 16 years of commercial work experience + 3 years of research projects. - Contributed to widely used Open Source projects: LLVM/Clang (my contribution is XRay profiler on ARM32 and AArch64 systems), Katana Graph (multiple small contributions mostly driven by the proprietary part where I do GPU/CUDA), CBMC "C Bounds Model Checking" (I contributed parallelized output of DIMACS formatted Boolean Satisfiability formula), oatpp (C++ web framework, I contributed bug-fixes), OWL (OptiX Wrapper Library, I contributed build fixes for Ubuntu), Galois (research project for distributed computations on graphs, I contributed GPU improvements) - Actively participated in bug reporting and reproduction (for NVIDIA CUDA, Cadical&kissat boolean satisfiability solver, JBOSS, MariaDB, Tensorflow, Linux, etc) - Led several open-source projects of my own: ProbQA (a video game recommendation system based on a high-performance Bayesian inference engine with CUDA, SIMD, and multi-threading); InSoAr (automatic reconstruction of software architecture from source code ), a multi-threaded Boolean Satisfiability solver, etc. Working for hire, implemented: - efficient multi-threading, scaling real-world workloads almost linearly with the number of CPU cores (128x for AMD Ryzen Threadripper 3990X) - SIMD vectorization (SSE/AVX), up to 8x improvement in computing thread or even copying (see my "Faster alternatives to memcpy" answer on Stackoverflow, URL upon request). - cache-aware algorithms: up to 50x improvement on some workloads - up to 20 trillion operations/second in CUDA (thousands of times faster than CPU) - up to the theoretical limit (6.8 Gigarays/second on RTX 2080 laptop GPU) in ray-tracing with OWL and OptiX - AVX512 and RTM (Restricted Transactional Memory) based acceleration, 16x improvement for float numbers -up to 20x improvements to cryptocurrency miners on CPU using AVX512 and cache-friendly algorithms - crypto-miners for Ethereum, Bittensor, Qubic 15K reputation on Stackoverflow: (1915854/serge-rogatch) Topcoder SRM score: 1480 - among top 5K programmers in the world - top 0.02% (rSerge) I developed all kinds of networking applications, from Linux Kernel modules up to Web applications. The majority of work was, of course, done at TCP/IP level with socket calls like send/recv/select. Programming languages: C++, C++11/14/17/20, C, Python, x86/x64/ARM/AArch64 assembly, SQL, C# .NET, JavaScript, HTML, CSS, Java, MQL4, MQL5, XML, Cypher, Rust. Libraries/Frameworks: PyTorch, Tensorflow, HuggingFace Transformers/Accelerate/Safetensors, Hivemind/Petals, OpenAI, tiktoken, Django, Flask, STL, LibSVM, XGBoost, libcurl, Selenium, PyTorch, Transformers. Technologies: OpenMP, CUDA, SIMD (AVX&SSE, RTM), Linux Kernel Modules, OptiX/OWL, RTX, raytracing. Theory/Principles/Know-how/Methodologies: Algorithms & Data Structures, Performance Optimization, Artificial Intelligence, Multithreading, Vectorization, OOP, Low-latency, High-frequency, Blockchain. Open source code: Clang, LLVM, LLVM's compiler-rt library, Linux Kernel, a few of my own repositories, contributions to AI and Algorithm open-source projects such as Petals and CBMC. Tools/APIs/Architectures/Platforms: PostgreSQL, MSSQL, MySQL, Neo4j, MATLAB, CMake, GIT, MT4, MetaTrader 5, Conda, PyCharm. Virtual Machines / Containers: Docker, VMWare, VirtualBox, QEmu, Hyper-V. OSes: Windows, Linux, Android, macOS

Do you spend hours every week updating reports, consolidating data, or performing repetitive spreadsheet tasks? I help businesses automate manual processes, streamline reporting, and build powerful Excel and Google Sheets solutions that save time, improve accuracy, and provide better visibility into business performance. As a Top Rated Plus freelancer with 5+ years of professional experience, 250+ completed projects, and a 100% Job Success Score, I have helped startups, small businesses, and established organizations transform complex spreadsheet processes into efficient automated systems. My expertise includes: ✓ Excel VBA & Macro Development ✓ Google Apps Script Automation ✓ Excel & Google Sheets Dashboards ✓ Automated Reporting Systems ✓ Data Analysis & Visualization ✓ Power Query & Data Transformation ✓ KPI & Performance Dashboards ✓ Spreadsheet Process Automation ✓ Data Validation & Quality Control ✓ Google Forms & Google Workspace Solutions ✓ Data Consolidation & Cleanup ✓ Workflow Automation I can help you: • Automate repetitive tasks and manual workflows • Build interactive dashboards and management reports • Create custom Excel and Google Sheets solutions • Develop VBA macros and Apps Script automations • Consolidate and transform large datasets • Improve reporting accuracy and efficiency • Design spreadsheet systems that support better business decisions Some examples of the solutions I regularly build include: • Automated payroll and timesheet systems • Sales and revenue dashboards • Financial reporting models • Inventory and operations tracking systems • KPI and executive reporting dashboards • Google Forms and Google Sheets workflow automation • Custom business process automation tools My focus is not just building spreadsheets. I help businesses save time, reduce errors, eliminate manual work, and create systems that scale. If you're looking for a reliable spreadsheet automation specialist who understands both the technical and business side of reporting and process improvement, I'd be happy to discuss your project.

With over 5 years of hands-on experience in C# .NET technology, I specialize in creating dynamic and efficient web applications using the latest technologies, including .NET Blazor, Django. My expertise spans across various programming languages and frameworks, ensuring a well-rounded approach to software development. Skills and Expertise: Web Development: Proficient in designing and developing web applications using modern technologies, including .NET Blazor, Django, and Python. Programming Languages: Extensive experience with C++, C, C#, Python, and SQL. Skilled in both front-end and back-end development. Frameworks: Advanced knowledge in Blazor for building interactive web UIs, Django for robust web applications, and leveraging GPT models (LLMs) for intelligent and scalable solutions. Data Management: Expert in SQL Database Administration and Architecture, with a strong understanding of data structure design. Design & Development: Adept at both front-end and back-end frameworks, ensuring a cohesive and comprehensive development process. AI Integration: Experience in integrating GPT models and other language models to enhance application capabilities with advanced AI-driven features. Additional Experience: Logo Design: Basic experience in logo design, bringing a creative touch to the visual elements of software and branding. I am dedicated to delivering high-quality, scalable solutions tailored to your needs. Whether you’re looking to develop a new application, enhance an existing one, or integrate advanced AI functionalities, I bring a wealth of experience and a commitment to excellence to every project. Let’s discuss how I can help you achieve your project goals!

Top 1% Upwork specialist in AI & Embedded Systems. I architect and build solutions using LLMs, CV, and C++/Qt on Nvidia Jetson. My focus is turning your ambitious vision into a reliable, high-performance product. As a Georgia Tech graduate with over 10 years of hands-on experience, including foundational work in the autonomous driving sector of German automotive industry, I partner directly with clients to solve their toughest technological challenges. I am committed to writing clean, efficient, and test-driven code, ensuring your project is built for scalability and long-term success. Here's where my expertise lies: ✅ Intelligent AI, LLM & Agentic Systems Generative AI & LLMs: I architect advanced solutions using the OpenAI API, Gemini, Llama 3, and custom models, specializing in Retrieval-Augmented Generation (RAG) for powerful, context-aware applications. Agentic AI: I build autonomous AI agents that can reason, plan, and execute complex tasks. Full-Stack ML: I manage the entire machine learning lifecycle, from data processing and model training (YOLO, TensorFlow, PyTorch) to robust deployment. ✅ High-Performance Computer Vision (CV) Algorithm Optimization: I have proven experience in optimizing state-of-the-art detection, tracking, and stereo vision algorithms for maximum performance on edge devices. OpenCV, NVIDIA Jetson & DeepStream: My expertise includes deploying real-time vision applications using the complete NVIDIA toolkit, including FFMPEG, GStreamer, TensorRT and DeepStream. ✅ Robust Embedded Systems & Software C++ & Qt Development: I craft high-performance, cross-platform applications with clean C++ and the Qt framework. Embedded Linux & Hardware: I am highly adept at developing for a wide range of platforms, including ROS, Nvidia Jetson, STM32/STM32MP1, Raspberry Pi, and BeagleBone. Protocol Specialist: I have worked on numerous communication protocols like CAN, CANFD, SomeIP, TAPI, Flexray, RSMP, BACnet, OPCUA, MQTT, TCP/IP, UDP/IP, RSTP, ONVIF and many others. When you hire me, you are partnering with a dedicated, top-rated expert who is personally invested in delivering results.

Based in Seattle Washington I provide an expert level of integration skills. I have over 30 years of software development and IT experience working on dozens of back office integration projects involving both SaaS and on-premise CRM, Accounting, ERP, HRIS, HCM and transactional databases. I have worked for the largest software giants (Microsoft) and the smallest tech start-ups. In particular, I have years of experience with Dell Boomi as an API management and integration platform and have used numerous other integration platforms such as Tray.ip, Celigo, APIANT and Zapier. I have a passion for integrating disparate systems, everything from one way pushes to complete, two-way synchronization between systems in real-time or in batch. Just a few of my recent integration and development projects: * Telegram integration, custom Telegram clients to automate bot interation, data scraping and analysis. * AI integration, LLM and integration with AI models to various data analysis projects * Shopify Order, Company, Customer and Product integrations including their new GraphQL endpoints * Microsoft Dynamics GP to Hubspot * Phorest POS to Shopify and Hubspot * Multiple Apps in Bubble.io * Buildfire Mobile App Development * Netsuite Data Migration/Conversion * White labeled SaaS app store integrations * MLS Real Estate integration w/Salesforce and custom Web Services * DirectScale to Drip customers and orders * Bullhorn ATS to Hubspot, Hubspot forms to Bullhorn two-way integration * (5) ERP to Shiphawk for orders and fulfillment * Dynamics 365 implementation and configuration * JD Edwards to Dynamics 365 Invoices * Salesforce Orders to Netsuite * Salesforce CPQ/Steelbrick quotes to Netsuite SO and Credit Memos * Multiple, Two way Microsoft Team Services and Salesforce Case integration enabling Development and Support to work seamlessly together * Intercom/Salesforce Contact/Account integration * Pipedrive to Mailchimp and Klipfolio * Magento 2.x to Mailchimp Pro integration for dynamic list integration, abandoned cart automation * Two way Salesforce/Netsuite integration enabling Collections activity in Salesforce * Hubspot and Salesforce to FullContact for data enrichment * Shopify purchase certificates via PDF template form generation and emailing * Commercial Concur marketplace app * Bullhorn HR/ATS and Reply.io integration * Netsuite shipping and fulfillment automation * Tipalti to Quickbooks Online * Salesforce Quote to NetSuite Invoicing/Payments * Volusion to Aftership (tracking) * Volusion to Intacct (Invoice/payments) * CRM to MailChimp * Pipedrive to 700 Credit (auto dealership credit reports) * MindBody to Hubspot (Accounts/Contacts) * Amazon FBA to Google Drive * DonorPerfect to Xero * PHP web app leveraging ZoomInfo and Insideview for lead enrichment * Several Hubspot Quickbooks Online integrations * Wordpress/PHP Financial integrations In addition to point-to-point integrations, I also enjoy Business Process Optimization and help you re-engineer and optimize your entire back-office process with modern, connected systems. Always open to hourly consultations for smaller companies looking to leverage my integration, development and leadership experience. Let me show you how I can save you time and money today!

*** Proud of my UpWork Expert-Vetted profile, only granted to the top 1% — pre-screened by Talent Managers and experts in their field. *** As a Senior Learning Technology Consultant with over 250 successfully completed projects in the e-Learning Software Development industry, I bring over 14 years of experience in learning technology solutions. My expertise now encompasses the strategic integration of AI-driven learning technology tools to deliver advanced and more efficient strategies for implementation, administration, and enhanced user journeys for end users of Learning Management Systems (LMS). I have managed and lead Learning Tech Consultant, Project Management, Design, and Engineering Teams focused on LMS creation, customization, and implementations with systems such as Moodle, Capsule LMS, Totara, Mahara, Paradiso LMS, CrossKnowledge Learning Suite, LearnDash, LearnWorlds, eFront, and Talent LMS. Furthermore, I specialize in the creation of interactive SCORM courses using authoring tools like Articulate Storyline and RISE. My focus is on supporting the delivery, enhancement, and maintenance of Compliance Certifications and Continuing Education (CE or CEU) content and material via SCORM across various industries, now with a keen understanding of how AI can optimize these processes for all various roles within an LMS. I am committed to upholding the highest quality standards within organizations and ensuring the application of proven Learn Tech industry practices and best practices tailored to your specific LMS. I have a strong track record of providing impactful input to Fortune 500 corporations, State Universities throughout the US, government organizations, and global small and midsize businesses by optimizing live systems and guiding the evolution of internal processes, e-learning tools, platforms, and their content, now with an emphasis on leveraging AI for improved efficiency and user experience. I am deeply invested in continuous growth and contribute through leadership, process development, and detail-oriented Project Management skills as a bilingual Senior e-Learning Consultant and Learn Tech Project Manager for your team and project. I am particularly excited about leveraging AI-powered solutions to drive innovation and efficiency in your learning ecosystem and am eager to become a key contributor to the success of your organization and all projects we collaborate on. Digital Learning Solutions, LXP, LMS and e-Learning Content Services (including AI-Driven Enhancements): LMS Selection, Scoping and Implementation Consulting (including identification of AI-powered features and integrations) Upgrades (Moodle LMS / Totara LMS) Revamping sites or LMS LMS Administration and governance (including AI-driven automation and insights) LMS Theme Creation or enhancement LMS plugin development, creation, installation and maintenance (including AI-powered plugin recommendations) LMS Multi-tenant LMS Custom Development (including integration of AI functionalities) LMS Data integration (SSO, User Provisioning, Enrollment, and Completion records / Exports & Imports) LMS KPI Identification and Success Campaigns (leveraging AI analytics for deeper insights) LMS Localization and Translation LMS Mobile App creation & Implementation Salesforce and LMS Integration Woocommerce and LMS integration Magento and LMS Integration (Moodle, and Skyprep) Zoom, Webex, BBB and other meeting tools and LMS integration SCORM Interactive course creation for LMS Creation, enhancement and maintenance of Compliance Certifications, and Continuing Education (CE or CEU) content and material via SCORM (exploring AI tools for content generation and personalization) Ready to deploy and customize content sources (Videos, Interactive content, PDFs, eBooks, Study Material) Experienced in the Following Learning Management Systems LMS: Moodle, MyQuest, Capsule LMS, eFront, Totara, Mahara, Paradiso LMS, CrossKnowledge Learning Suite, Blackboard, LearnDash, IOMAD, Talent LMS, Matrix LMS, Litmos, Lessonly, LearnWorlds, Open Edx, Kajabi, Skyprep, Thinkific, and Ellis.

Overview Senior engineer with 20+ years of hands-on software development experience, including 10+ years in mobile. My main focus is iOS, with additional hands-on work across Android, frontend, backend, desktop systems, and performance-critical code. I work both manually and through AI-assisted development workflows. I use AI to speed up specification, planning, implementation, and iteration, but I stay fully hands-on when architecture, code quality, reliability, legacy code, or low-level control matter. I help build and improve real products across the full delivery chain: iOS apps in Swift / SwiftUI, plus legacy Objective-C / UIKit codebases Android development and cross-platform product work Frontend interfaces and production web UI Backend APIs, integrations, Firebase, REST, WebSockets, and supporting services AI-powered features such as ChatGPT integrations, OCR, image recognition, and on-device ML BLE / hardware integrations, including ESP32 / Arduino-based devices C/C++ components for performance-critical and system-level work My focus is always the same: clean code, reliable architecture, complete functionality, and production-ready delivery across blurred platform boundaries.

𝗖𝗹𝗶𝗲𝗻𝘁-𝗰𝗲𝗻𝘁𝗿𝗶𝗰 𝗙𝘂𝗹𝗹-𝘀𝘁𝗮𝗰𝗸 𝗔𝗜 𝗪𝗲𝗯 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 (JavaScript, TypeScript, Node.JS, Nest.JS, Python, FastAPI, Express, Next.JS, React.JS, Vue.JS, React Native, WebRTC) with 𝟮𝟬 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 in custom software development and AI powered applications Completed 𝗼𝘃𝗲𝗿 𝟵𝟬+ 𝗪𝗲𝗯 application & 𝗮𝗻𝗱 𝗠𝗼𝗯𝗶𝗹𝗲 application including copmplex custom AI Agent for Sales, AI Assistant of various complexity for startups, scaleups and enterprises. Build your software with AgilePulse™ empowered by transparent processes, quality control systems and engineering excellence. 🦾 𝗠𝗬 𝗖𝗢𝗥𝗘 𝗧𝗘𝗖𝗛 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 | 𝗦𝗘𝗥𝗩𝗜𝗖𝗘𝗦: ⭐ AI & ML DEVELOPMENT: Recognized as a top machine learning and chatbot development provider by Clutch. I deliver AI solutions such as agentic AI development, generative AI, intelligent automation, AI-powered mobile apps, chatbots, and RPA. AI Agent and AI assistant, AI workflow to optimize Sales, HR Tech, Finance, for Insurance, Healthcare, BPO, Fintech, and Finance From strategy to implementation, I guide businesses in extracting data-driven insights, automating workflows, and strengthening their edge with adaptive, autonomous AI models. ⭐ AI AGENT DEVELOPMENT: AI agent for Sales, AI Chatbot, AI agent for ordering food, AI agent for CV, AI agent for HR, AI Voice Agent, AI Voice Assistant, AI Consultant for HelpDesk, AI HelpDesk assistant, AI Assistant for appointment booking, Speech to text - text to speech. LLMs, ChatGPT, OpenAI, Gemini, Perplexity, Claude ⭐ WEB APPLICATION DEVELOPMENT: I specialize in building modern, scalable web applications using technologies like JavaScript, TypeScript, Node.JS, Nest.JS, React.JS, Vue.JS, Angular, .Net, and Python, FastAPI. My expertise as an AI web software developer ensures high performance, security, and user-friendly interfaces tailored to your business needs. ⭐ MOBILE APP DEVELOPMENT: I create responsive, cross-platform mobile applications for iOS and Android. My toolkit includes React Native, Swift, Kotlin, and Java Android to deliver smooth, feature-rich mobile experiences for your users. ⭐ DESIGN ARCHITECTURE: My design architecture services include defining architecture attributes, crafting architecture descriptions, and developing solution and enterprise architectures. I am proficient in migration, monolithic to microservice transformations, serverless architecture, scalability design, security protocols, and network topology. I visualize complex systems using class and component diagrams, fault tolerance designs, UML, and tools like DrawIO. ⭐ DATABASES: My database expertise spans a variety of relational and NoSQL databases, including MongoDB, PostgreSQL, MSSQL, MySQL, and others, to provide fast, efficient, and secure data storage solutions. ⭐ BROWSER EXTENSION DEVELOPMENT: I develop powerful browser extensions to enhance user experience and productivity. My skills cover JavaScript, browser automation, Chrome Extension development, Chrome plugins, Firefox extensions, and LinkedIn automation, enabling seamless integrations and custom workflows. ACHIVEMENTS 🚀 Helped startups raise over $72M in follow-on funding after launching products built by our teams 🚀 One of the client's MVPs that we developed scaled to 500,000+ users within 14 months 🚀 On average, my clients reduce their time-to-market by 32% compared to traditional dev teams 🚀 80% of my clients return for a second phase within the first 6 months 🚀 Onboard dedicated teams in as little as 7-10 business days 🚀 100% transparency through weekly reports, PM dashboards, and performance metrics. 𝗜𝗡𝗗𝗨𝗦𝗧𝗥𝗜𝗘𝗦 Real-time communication / Chat & messaging software / Video-conferencing / Telecommunication / FinTech / E-commerce tech / AI & Machine Learning / AI Agent development / AI Assistant development / AI Agent development / Agentic Commerce / Browser Extension / IoT / Education / EduTech / E-Learning / Real Estate / Logistics & Transportation / Marketplaces / Retail / HRTech / HealthCare / Finance / Hotels & Hospitality / Fintech / Agentic Commerce 🤝🤝🤝 I'm here to provide you with superior services in building your product. If you need help with Software Architecture design or custom software development, I'll be glad to hear from you 🤝🤝🤝

I am passionate about adding value to your life, by streamlining the trading processes through automation. Giving tailored solution for your systems is my first priority. For me, this means working closely with you to ensure that you receive the user-friendly software. I enjoy thinking outside the box and finding just the right solution for your trading business needs. For over three years, I have been serving as Trading Automation expert in full time and freelance roles on different platforms. Python and VBA based automation is my primary expertise. I’ve successfully delivered automated trading softwares along with backtesting functionalities. I have helped multiple clients setting up their bots in cloud based platform such as AWS. That enables them to run the bot 24x7 on the server requiring no manual intervention straight for a week. I have expertise working with several broker platforms including Interactive Brokers, TD Ameritrade, Tradovate and Zerodha Kiteconnect. I can seamlessly integrate other tools such as Quantconnect, Tradingview, Telegram in the automation process. These are a few of the functionalities I have coded in these bots: 1. Getting historical/ live data from Broker API. I generally use IB Insync Python API in case of Interactive Brokers 2. Getting signals directly from subscription based Websites such as tradingaddicts if the website allows bot activity 3. Reading signals from your Email if subscription service sends you standard automated email whenever the signal is generated 4. Getting data from any other Free/ Paid API including Yahoo Finance 5. Processing raw data to calculate indicators/ signals. I can create custom indicators as per your requirement or we may use standard libraries such as ta-lib 6. Order placement and order management 7. Risk management 8. Portfolio management 9. PyQT based GUI Dashboard for input settings and program status 10. Email/ Telegram updates for actions taken by bot 11. Market scanners My Expertise Areas - • Interactive Brokers API Integration (Using Python and ActiveX client) • Amazon Workspaces • Web Scraping • RESTful API Integration • Signal extraction from emails • Visual Basic (Creation of Macros) • Advanced MS Excel, Access, Power Point, MS Word, Outlook and Publisher VBA Programming • Google Scripts • Automation of Reports • Automation of spreadsheet