Hire the Best Data Engineers
in Greece

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Alex T.

Athens, Greece

$40/hr
4.6
78 jobs

I build production-ready AI solutions that ship fast, from intelligent agents to full SaaS platforms. 🏆 TRACK RECORD: → Former CTO at BookWatch: Scaled AI-powered visual learning platform to 110k+ users (App Store & Google Play) → Built Audience Plus: AI-powered Meta Ads optimization serving 100+ e-commerce brands with 40% ROAS improvement (5.0★ Shopify rating) → 20+ AI projects delivered across ops, sales, and customer support teams → Ex-data engineer with production AI systems experience 💡 WHAT I BUILD: - AI Agents & Chatbots (GPT-5.2, Claude Opus 4.5, Gemini 3.0 Pro) - Full-Stack SaaS (Next.js 15, React 19, Node.js, Python) - Cross-Platform Mobile (React Native, Expo SDK 52) - Workflow Automation (N8N, Make, Zapier) - RAG Systems & Custom LLM Integrations 🛠 CURRENT STACK: AI/LLM: AI SDK 6, Ckaude Agent SDK, LangGraph, MCP, OpenAI Agents SDK, OpenClaw Frontend: React 19, Next.js 16, TypeScript, Tailwind Mobile: React Native, Expo SDK 54 Backend: Node.js, Python, FastAPI, PostgreSQL, Convex, Supabase Automation: N8N (expert), Make, Zapier ✅ 5+ years building AI-powered software ✅ Top-Rated on Upwork ✅ End-to-end: strategy → architecture → development → deployment 📩 Send a message to discuss your project, I respond within hours.

  • Artificial Intelligence
  • AI Chatbot
  • ChatGPT
  • AI Agent Development
  • AI Development
  • AI Consulting
  • n8n
  • Make.com
  • Zapier
  • AI App Development
  • Next.js
  • React
  • React Native
  • API Development
  • SaaS Development
Alexandros V.

Athens, Greece

$28/hr
5.0
17 jobs

✔More than 8 years of experience in GIS development, spatial data analysis, geography projects. ✔Extensive experience on high-impact projects with esteemed organizations, such as INTERPOL, European Space Agency, European Environmental Agency, and EU Satellite Centre. ✔Highly innovative and resourceful. Technical proficiency combined with creative problem solving. ✔Long term relationships with over 50% of my clients Services: ✔GIS development | Geospatial analysis | Workflow automation Python development for geospatial applications, ArcPy & ArcGIS toolboxes, QGIS plugin development, OpenStreetMap, Google Maps API, Mapbox ✔ Opportunity Mapping | Spatial Lead Generation | Location Intelligence Mapping of supply and demand for business expansion opportunities, site selection, real estate intelligence ✔ Geospatial Data Retrieval & Engineering Spatial data acquisition, processing, and pipeline development, ETL workflows for vector/raster datasets, data wrangling from APIs, geocoding satellite imagery, and open data sources

  • Python
  • QGIS
  • Spatial Analysis
  • Geospatial Data
  • ArcGIS
  • Remote Sensing
  • GIS
  • Google Maps API
  • Optimization Modeling
  • Network Analysis
  • GeoJSON
  • Geocoding
  • Google Earth
  • OpenStreetMap
  • Real Estate Lead Generation
Greg C.

Athens, Greece

$18/hr
5.0
1 jobs

Electrical and Computer Engineering (NTUA). Specialization in high-performance systems with a focus on data integrity, network efficiency, and scalable architecture. My projects combine rigorous engineering principles with modern full-stack execution. Core Technical Stack: Languages: Python, C++, Java, SQL, JavaScript, React Data & Vector DBs: Milvus, Weaviate, Advanced SQL Query Optimization Mainly focus on one-time, milestone-based projects, though open to ongoing technical advisory for scaling systems.

  • Data Engineering
  • Python
  • Web Development
  • Software Development
  • Full-Stack Development
  • C++
  • JavaScript
  • JavaFX
  • Machine Learning
  • AI Development
  • Vector Database
  • Benchmarking
  • React Native
Konstantinos V.

Irakleio, Greece

$45/hr
4.6
61 jobs

Hello, I’m a Data Engineer and Technical Localization Specialist with a strong background in cloud data infrastructure, software systems, and multilingual content adaptation. With experience spanning both data engineering and professional translation/localization, I bring a unique combination of technical expertise and linguistic precision to projects involving technology, data, gaming, and digital products. I hold a Master’s degree in Computer Engineering with a focus on machine learning and currently work full-time as a database engineer for one of Greece’s leading betting companies. Over the years, I’ve worked on cloud-based data solutions, ETL pipelines, compliance systems, and large-scale database environments, while also delivering high-quality English ↔ Greek localization for tech platforms, gaming products, educational content, and software interfaces. Core Technical Expertise: ⋗ Data Engineering and ETL/ELT pipelines ⋗ Azure Data Factory, Azure SQL Database, Azure Synapse Analytics ⋗ SQL development and database optimization ⋗ Cloud migration and modern data architecture ⋗ Real-time and near-real-time data processing ⋗ Data modeling, reporting, and analytics workflows Localization and Translation: ⋗ English to Greek ⋗ Greek to English ⋗ UI/UX and software localization ⋗ Gaming and iGaming content ⋗ Technical documentation and structured datasets ⋗ Marketing and product content adaptation ⋗ Proofreading and linguistic QA I’m particularly experienced in projects where technical understanding and language accuracy need to work together. My background allows me to confidently handle software interfaces, developer-oriented content, structured data, compliance-related material, and user-facing documentation with both technical precision and natural language quality. Some of the areas I’ve worked with include: ⋗ Cloud-based compliance and analytics systems ⋗ Real-time notification and data processing solutions ⋗ Localization for apps, SaaS platforms, and gaming products ⋗ AI evaluation, translation testing, and language QA ⋗ Educational and e-learning platforms ⋗ Multilingual content optimization and structured data review I also have hands-on experience with localization platforms and CAT tools including MemoQ, Crowdin, Lokalise, and Phrase. I take pride in being reliable, detail-oriented, and easy to collaborate with. Whether you need scalable data solutions, technical content localization, or a professional who understands both software systems and language workflows, I aim to deliver work that is accurate, practical, and business-focused. Feel free to reach out if you'd like to discuss your project or see how I can help.

  • Translation
  • Proofreading
  • Greek to English Translation
  • Customer Service
  • English to Greek Translation
  • Writing
Athanasios Z.

Thessaloniki, Greece

$35/hr
5.0
1 jobs

Web Scraping | Data Engineering | GenAI Engineer I am a certified GCP cloud engineer with Data Engineering and Generative AI expertise. Expertise: - Flask/FastAPI/Django - Selenium, Scrapy, BeautifulSoup - Linux - Google Cloud Platfrom - Data Pipelines - Airflow - VertexAI - OpenAI - API Integrations

  • Big Data
  • ETL Pipeline
  • Data Visualization
  • Apache Airflow
  • Data Analytics
  • Google Cloud Platform
  • Flask
  • Cloud Computing
  • Application
  • Docker
  • Database Management System
  • Web Scraping
  • Django
  • RESTful API
Kyrillos P.

Athens, Greece

$6/hr
4.9
13 jobs

Hello and welcome to my profile :) First of all, I would like to point out that I am passionate about IT recruitment and sales. I am a solution-oriented and motivated IT Recruiter, with a keen eye for new working challenges and continual development in HR. Experienced in IT Recruitment and sourcing, applying innovative and creative recruitment processes. My goal is to provide excellent service to each client according to their needs. I am a reliable and hard-working person who translates business vision into initiatives and is focused on details. Over the last 3 years, I have been in the Tech recruitment industry using LinkedIn Boolean search and other techniques like GitHub, X-Ray search, Xing, Upwork, SignalHire, HireEZ, Facebook groups, and StackOverflow to present the very best talent. Besides that, I have my own LinkedIn Recruiter license. Currently, I am working in NTT DATA Europe & LATAM, where I have the role of International Tech Consultant and we cooperate mainly with the EU Commission and the United Nations and I recruit professionals for managerial, communication, sales and IT roles in niche markets. Skills: Salary negotiation, Customer Relationship Management, Boolean Search, IT sourcing, IT interviewing, Data entry, 360 recruitment, resume writing, stakeholder management, candidate management, time management, multitasking, and agility. Roles: Java Software Engineer, Python Developer, Data Engineer, Database Developer, Azure Data Engineer, Kafka Specialist, Digital Accessibility Specialist, Front/Back-End Developer, Fullstack Developer, Fullstack Ruby on Rails Engineer, Cloud Reliability Engineer, System Administrator, Android Developer, iOS Developer, Technical Expert, Communication Expert, On-line Tech writer, Change manager, IT project manager, Data Architect, Power BI Developer, Cloud Tester, Smart Contract Engineer, Blockchain developer, Product Manager, DevOps engineer, UX/UI Designer, Cybersecurity Engineer, Business Analyst, Project management, Digital Marketing, Human Resources, Graphic Designer, Desktop Support Engineer, ETL specialist, .NET Developer, eCommerce specialist etc.... So far I have created my own candidate talent pool with more than 800+ CVs mainly in the IT sector.

  • Microsoft Excel
  • Tech & IT
  • Boolean Search
  • GitHub
  • Resume Writing
  • LinkedIn Sales Navigator
  • Sourcing
  • Customer Relationship Management
  • Applicant Tracking Systems
  • Price & Quote Negotiation
  • IT Recruiting
  • LinkedIn Recruiting

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