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IT specialist experienced in software analysis and implementation of performance improvements, advanced database application development, implementation of information & reporting systems. Developer of backend services, desktop and web applications, experienced in mainly Linux but also Windows server environments. Worked since 2004 for 7 years as Senior Technical Consultant for Infor and participated in many international projects mainly focusing on relational data transformation to OLAP systems. Since 2012 a Bottleneck Team Lead in an international team responsible for software analysis and implementation of performance improvements on various platforms (mostly C/C++, Java & DBs). Since 2013 a member of a team that develops Amazon Elastic Compute Cloud (EC2) management web service used by a company with 5000+ employers, Amazon WebServices (Java API) expert. Since 2015 at Elance which later became part of Upwork. Member of team responsible for time tracking and reporting backend services. Designed and implemented ETL services mainly in Java (dropwizard) with Vaadin UI. Designed relational db structure for reporting and also time tracking. From 2018 leading the team. I like well sized scrum teams that can focus on work effectively. I enjoy and like to utilize the potential of my teammates. And the same I do with resources I use (database can usually work much better than one expects if used correctly). Favorite db: Postgres Favorite programing language: Any that can work well with databases Favorite OS: Linux

Czech native • Based in Central Europe - Czechia • Identification suitable processes for automation • Process analysis • Development, implementation, validation • Project documentation • Scenario testing • Production handover • Stabilization, optimization • Post-implementation support Tools • Power Automate Desktop • Power Apps - Model driven • Worl queues • Solutions • Cloud flows • Python • Regex • VBScript • Power Automate - PL-200, PL-400, PL-600

AI automation engineer and consultant. I build AI agents, RAG systems, CRM automations and API integrations that replace full-time manual work. My solutions collectively saved 300k+ hours across businesses and generated multi-7 figures. Ex-IBM Generative AI Consultant (NHS, Rolls-Royce). My systems have replaced a 4-person research team, sourced 7 figures in closed property deals, and rebuilt the forecasting that underwrites contracts at a $300M revenue media group. Around $250,000 a year of salaried work removed across those builds, and it keeps running without me. WHAT THIS USUALLY SAVES - Research and qualification: 3 to 4 minutes per record down to seconds, at any volume. On one build this took a team of 4 researchers down to 1 - Monitoring (portals, news, job boards, competitors): 15 to 20 hours a week of manual checking replaced by alerts that fire within minutes - Data entry and CRM hygiene: copying between tools removed once the API layer exists - Decision quality: forecasting and scoring models that cut the error rate on numbers the business is contractually exposed to NUMBERS FROM PAST BUILDS - Company research agents: work that took 4 full time researchers now takes 1. Roughly 6,000 analyst hours and $200,000+ in payroll per year. - Real estate deal scraper: 7 figures in sourced closed deals, plus about 20 hours a week of manual portal checking removed. - Lead qualification pipeline: ~3,300 analyst hours per full pass, completed in hours instead of weeks. - Viewership forecasting: 15% more accurate than a 20 year manual process, 52% on high confidence segments, at a business with $300M in annual revenue and refund clauses tied to those forecasts. - Job market scraper: 100,000+ companies monitored daily, a volume with no manual equivalent at any headcount. TOOLS AND TECHNOLOGIES AI and LLMs: OpenAI, Anthropic Claude, Google Gemini, Llama, Mistral, DeepSeek, function calling, tool use, MCP, structured outputs, prompt engineering, fine tuning, evals, token cost optimisation Agents and RAG: LangChain, LangGraph, LlamaIndex, CrewAI, multi agent orchestration, retrieval augmented generation, chunking, embeddings, re ranking, hybrid search, semantic search, human in the loop, confidence scoring, Pinecone, Qdrant, Weaviate, Chroma, FAISS, Supabase pgvector Automation platforms: n8n, Make, Zapier, Airtable automations and scripting CRM and business systems: Airtable, ClickUp, GoHighLevel (GHL), HubSpot, Salesforce, Pipedrive, Zoho CRM, Monday, Close, Attio, Asana, Trello, Smartsheet, Zendesk, Intercom, Slack, Discord, Google Workspace, Microsoft 365 APIs and integration: REST APIs, GraphQL, webhooks, OAuth2, JSON, XML, API authentication, rate limiting, pagination, retries and idempotency, Postman, third party API integration, reverse engineering undocumented APIs, Stripe, Twilio, SendGrid, Calendly, Cal(dot)com, Google Sheets API, Gmail API, Google Calendar API, Slack API, Zapier webhooks Data and scraping: Python, pandas, NumPy, Playwright, Selenium, BeautifulSoup, Scrapy, Firecrawl, Apify,, ETL pipelines, data cleaning, deduplication, entity resolution, PostgreSQL, MySQL, Supabase, MongoDB, BigQuery, Snowflake, data processing, SQL Backend and deployment: FastAPI, Flask, Docker, GCP, Vercel, Railway Sales and marketing systems: Instantly, Smartlead, Clay, Apollo, Lemlist, cold email infrastructure, deliverability, domain warmup, lead enrichment, ICP scoring, list building, CRM migration, sales reporting dashboards

I am an experienced consultant specializing in research and development of Robotics systems. With over a decade of professional experience in robotics, I strive for customer success and delivering products as quickly as possible. As you will see from my profile, I work mostly with wheeled mobile robots and drones, often utilizing Robot Operating System (ROS). In my view, good practices and iterative development are key to creating high-quality products. When I'm working with you, I'll make sure to understand your product, and make sure that everything I'm delivering for you is aligned with your mission. I take excellent care of honing my skills and staying up to date on the current state of Robotics, thus each week I release a new issue of my Weekly Robotics newsletter. Below you will find some highlights of my expertise: ROS: * Navigation stack * Localization stack * ros_control * cartographer, slam_toolbox, AMCL * Deploying ROS on custom robotic solutions * Developing drivers for sensors and actuators Drones: * Px4 flight stack * ArduPilot (ArduCopter, ArduRover) * Developing drivers for custom sensors for the above flight stacks * Using ROS on a companion computer for high-level control Sensors experience: * ToF sensors (single points and arrays) * Ultra Wide Band (UWB) localization * RTK GPS * Single and multiplane LiDARs (Hokuyo, RPLIDAR, Livox, Ouster OS-1) * IMUs (RazorIMU, Bosch BNO055, PhidgetSpatial, Xsens) * Tracking modules (Realsense T265) * 3D Cameras (Realsense D435i)

Thanks for looking at my profile. Please DON'T consider hiring me if: - you are looking for beginner/mediocre developer who will do the job for you as cheap as possible - think you are the smartest person in the universe (neither am I) - don't want to discuss/answer questions, share a wider context about your project. I want to provide my services as I if was your business partner - my work doesn't create more value for you than your investment in my work ------------------------------------------------------------- Here are feedbacks from my previous clients: "Everything was done perfectly." "Zdenko has strong Python coding expertise and good architectural knowledge of the Google Cloud Platform. He provided valuable architectural and project guidance. Zdenko was responsive provided excellent documentation with his insights that were valuable." Zdenko was a great developer to work with. He is very knowledgeable of Google Could Platform and understood the task which needed to be done without excessive guidance. I would highly recommend Zdenko to anyone looking to develop a data pipeline in the cloud. "Fantastic person and hard working! He delivered quality work and knew exactly what was needed to complete the job." Working with Zdenko was incredibly easy, and he produced exactly the results we were looking for. Communication was excellent via messaging on UpWork. I would highly recommend Zdenko. "Great Job! He knows GAE very well and was able to do everything we asked for. great python developer. yet again we are going to hire him immediately" "He let me know exactly what I needed to give him, and he didn't waste any time in getting it done. He also knew to do a couple of things that I didn't explicitly ask him to do when we started, but which clearly needed to be accomplished as part of the larger task." ------------------------- During my years as a software consultant, I have realized that communication with the client is most crucial. That's why I make every effort to understand the requirements of the task that's needed to be done, remove ambiguities, make a thorough analysis, suggest a solution, and implement. For several years now I'm focused on deploying web apps and big data pipelines on Google Cloud Platform and using its products (Google App Engine, Cloud Run, Cloud Functions, Google Compute Engine, BigQuery, Dataflow, etc). I write about it on my personal page and answer questions on Quora My expertise is in programming Python web/data applications. I use mostly Django, Flask, Webapp2 frameworks. Besides that, I have knowledge of other web technologies (HTML, CSS, Javascript...). I am very open to new challenges and problems. I prefer working on Linux. I am constantly improving my skills and knowledge in all areas. Experience with scrapping e-shops, real estate websites using BeautifulSoup I'm not a frontend guru, if necessary I can work with Bootstrap and a little bit of Javascript

🚀 AI & Automation Consultant – Expert in Intelligent Communication Solutions Twilio I'm part of the Twilio Champion program with hands-on experience managing and delivering complex Twilio implementations worldwide, both as a Project Manager and Developer. I can help you design and implement end-to-end solutions with: Twilio Flex, IVR, Contact Centers, SMS & Voice Solutions AI-powered Chat & WhatsApp Bots, and smart Agent AI systems Deep 3rd-party integrations tailored to your business Real-time messaging across Chat, WhatsApp, and more In addition to Twilio, I build cutting-edge AI voice and chat agents using ElevenLabs and Vapi for dynamic voice interaction capabilities—ideal for creating lifelike, intelligent agents that can truly handle conversations and take autonomous actions like booking calendar slot, updating CRM etc.. 💬 Looking for a simpler out-of-the-box text solution? As a Crisp.chat Partner and Respond.io Partner, I also offer fast setups across channels like Webchat, Instagram, Messenger, WhatsApp, and many more. Whether you're exploring a new idea or scaling your current setup, let’s chat. I'm available for short, medium, or long-term projects. 📩 Get in touch and let's bring your vision to life.