Hire the Best Data Analysts
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📊 I hold a PhD in Economics with expertise in empirical econometrics, complemented by five years of professional experience in economic analysis and data analytics. My background also includes extensive work in time series forecasting and machine learning applications. 📈 I have collaborated with professionals across the stock market and betting industries to deliver projects forecasting stock market indices and soccer outcomes. 🛠 Technical Skills & Expertise: ✅ Data Analysis: Proficient in data processing, cleaning, and exploratory data analysis using pandas and numpy to derive actionable insights. ✅ Data Visualization: Skilled in effectively communicating findings through tools such as matplotlib, seaborn, and interactive tools such as Streamlit. ✅ Machine Learning: Experienced in creating Machine Learning forecasts and reports using various packages, including scikit-Learn, keras, and statsmodels. ✅ Econometrics: Demonstrated academic success in empirical econometric projects, specializing in causal inference with panel data and employing models such as propensity score matching and difference-in-differences, as well as time series forecasting models (ARIMA/VAR). ✅ Research: Experienced in conducting rigorous empirical research in economics, applying statistical and econometric methods to analyze large datasets. Skilled in extracting meaningful insights and translating them into actionable economic conclusions. Published in peer-reviewed journals on firms' competitiveness. Also experienced in academic writing and research dissemination.

Most companies know they “should use AI,” but they’re unsure where it actually makes an impact. That’s where I come in. 🟢📞 I’m currently offering a free 15-minute consultation call to review your use case and outline the smartest, highest-ROI approach for your business. 👉 Message me or send a proposal to book your free consultation call. I build AI automation systems and apps, AI agents, RAG applications, and LLM-powered workflows that help businesses reduce manual work, improve accuracy, and save time in real operations. Over the past 6+ years, I’ve led AI engineering teams, delivered enterprise AI solutions, and built automation systems used in live business environments across the EU. My work focuses on practical, reliable, high-ROI AI, not hype or unfinished prototypes. ________________________________________ WHAT I BUILD AI Integration/Automation & AI Agents • Multi-step workflow automation using n8n and custom orchestration logic • Process automation with custom AI agents • AI Integration tools powered by structured tool-calling and external API actions • MCP servers enabling multi-tool execution from ChatGPT or Claude • AI agents for intake, routing, support workflows, and internal task execution LLM & NLP Systems • LLM-based assistants for operations, support, research, and internal tools • Domain-specific LLM workflows tailored to business rules and internal knowledge • NLP pipelines for classification, extraction, summarization, and semantic search • OpenAI and Claude integrations for AI copilots, internal assistants, and smart workflows RAG & Retrieval Systems • Vector database setup using Elasticsearch, Supabase, Pinecone, and similar platforms • Embedding pipelines, document chunking, retrieval logic, and context injection • High-accuracy knowledge systems for internal documents, SOPs, policies, and support data • Retrieval systems that improve answer quality, grounded outputs, and enterprise search use cases Backend & Infrastructure • Python microservices built with FastAPI, Flask, and REST APIs • Docker deployments and containerized backend services • SQL-based data pipelines, ETL automation, and backend integrations • API integrations with SaaS tools, CRMs, Google Workspace, and internal platforms • Production-ready architecture designed for reliability, maintainability, and scale ________________________________________ HOW I WORK 1. Understand the workflow first Before writing a line of code, I map out your current process to identify where AI drives measurable value: accuracy, time savings, cost reduction, or throughput improvements. 2. Architect a real solution I design a system that integrates cleanly with your tools, data, and business logic. No “demo scripts.” No fragile hacks. 3. Build a production-ready AI system Whether it’s an automation pipeline, LLM application, RAG system, or full backend service. I ship solutions engineered for scale, observability, and long-term maintainability. ________________________________________ SELECT RESULTS • Reduced internal processing time by 70% for a client through a fully AI-driven workflow • Deployed a scalable RAG search system for 20k+ documents • Built an internal AI operations assistant used daily by non-technical teams • Automated multi-step business processes that previously required multiple employees • Delivered end-to-end AI systems for multi-year EU-funded projects • Built AI-powered workflows for call intake, email automation, document handling, and operational support ________________________________________ WHY CLIENTS LIKE WORKING WITH ME ✓ I understand both the technical and operational sides of AI ✓ I plan systems like an engineer and refine them like a product owner ✓ I communicate clearly and consistently ✓ I build solutions that survive real-world usage ✓ I design for long-term maintainability, not one-off hacks ________________________________________ TECH STACK AI & LLM: OpenAI, Claude, embeddings, RAG, vector DBs, fine-tuning, evaluation Automation & Agents: n8n, LangChain, custom agents, MCP, tool-calling workflows Backend: Python, FastAPI, Flask, REST APIs, microservices Infrastructure: Docker, Redis, Elasticsearch, Celery/RQ Data & Systems: SQL, PostgreSQL, SQL Server, ETL pipelines ________________________________________ IF YOU WANT AI THAT SAVES TIME, REDUCES COSTS, AND WORKS IN PRODUCTION… Send a message with: 1. The workflow or problem you want to improve 2. What your ideal “automated” version looks like 3. Any existing systems or tools you're using I’ll review your use case and outline the smartest path forward, even if that means telling you what not to build. Let’s turn your operations into something far more efficient.

Warehouse & Logistics professional with strong hands-on experience in WMS/ERP environments and deep operational knowledge of distribution center management.Experienced in overseeing UAT processes, optimizing WMS operations, and analyzing business data using SQL, Qlik Sense, Power BI and Excel. Able to translate warehouse and logistics operational requirements into effective system solutions, combining business expertise with technical understanding. Strong communicator with both technical teams and business users, customer-oriented mindset, and proven experience in user training, post-implementation support, and functional issue resolution.

I’m an AI Specialist, Prompt Engineer, and multilingual professional, bilingual in Greek and German and proficient in English. My work focuses on AI workflows, data analysis, automation, administrative support, and digital solutions. I specialize in designing effective prompts and AI-assisted processes that improve productivity, organize information, automate workflows, and deliver accurate, context-aware results across different business needs and digital environments. I have experience working with modern AI tools and platforms, including: • ChatGPT • Claude • Lovable • OpenArt I also have a solid background in data analysis, reporting, office administration, and document management, with proficiency in: • Microsoft Excel • Microsoft Power BI • Power Query • Microsoft Word • Microsoft PowerPoint • Adobe Acrobat • Google Workspace and collaborative cloud environments In addition, I have experience in: • Administrative and executive support • Data entry and content organization • Document formatting, filing, and reporting • Workflow improvement and process automation • WordPress content management and customization • Developing complete web and software applications with Lovable and Claude AI I also hold a Diploma in IT from KDBM Datalabs, with knowledge of: • HTML • Python • Java My combination of analytical thinking, organizational skills, problem-solving ability, multilingual communication, and practical AI expertise allows me to adapt quickly to different projects and deliver organized, efficient, and detail-oriented results. As a bilingual Greek-German speaker with proficient English, I also have professional experience in translation, localization, proofreading, content review, and multilingual communication across various industries and content types.

I build Power BI reports, semantic models, and KPI dashboards that are fast, accurate, and reliable to refresh. I’m a Microsoft Certified Power BI Data Analyst with an MSc in Data Analytics, and I have working experience creating report-producing tools, statistics, and visualizations in the context of PestNu, an EU-funded project. Whether you need a new dashboard, better DAX, a cleaner data model, or help fixing refresh/performance issues, I focus on reports that work in production — not just visuals that look good in screenshots. I can help with: -Power BI dashboards and KPI reporting -DAX measures based on real business rules -Data modeling using clean star schema design -Power Query and SQL for messy source data -Scheduled refresh troubleshooting -Performance optimization for slow reports -Auditing and improving existing PBIX files Relevant project experience: Built reporting tools and visualizations for PestNu, an EU-funded project Created statistics and visualizations from project questionnaire data Developed an HR Power BI report for headcount, retention, and turnover analysis Built a real estate insights Power BI report with summary, location, school, and feature views My working process: Understand the business question and required KPIs Review the source data and current report/model Clean and structure the data model Build DAX measures and visuals Test refresh, performance, and usability Good first projects include auditing an existing Power BI report, fixing a refresh issue, optimizing slow visuals/measures, or building one focused KPI dashboard before expanding the scope. If you share your data source, current setup, and reporting goals, I can help define the scope and propose the next practical step.

Dependable data professional acknowledged for reliability, integrity and quick-learning ability. Highly skilled with numbers with eye for identifying and correcting errors. Dedicated with strong work ethic and resourceful nature. Currently targeting for entry-level positions within Data Analytics and Business Intelligence "Industry".