Hire the Best SQL Consultants
in Greece

More than 3,000 reviews on G2
Rating is 4.5 out of 5.
4.5/5
of Upwork by G2 peer reviewers
Kostas M.

Athens, Greece

$29/hr
5.0
121 jobs

Your operations are only as fast as your data systems. If your team is still fighting spreadsheets, re-entering data manually, or waiting on reports that should run themselves, that’s the problem I fix. I build professional MS Access databases, VBA automation, Excel systems, SQL Server backends, and Power BI dashboards for growing businesses that need reliable systems without IT overhead. With $200k+ delivered across 100 projects on Upwork, a Top Rated Plus track record, and 20+ years in MS Access, VBA, Excel, and SQL Server, I’ve solved these problems across shipping, finance, manufacturing, compliance, and hospitality. ⭐️ "Perhaps the highest skill level I've seen in the database space." - Paul Cracknell, OSR Enterprises What I deliver • Access CRMs and order systems that run smoothly from day one and scale with your team • Excel dashboards and KPI tools that turn raw data into decisions in seconds • VBA automation that removes hours of manual work in Excel, Outlook, and reports • Secure, multi-user Access apps with Azure or SQL Server backends • Fast, low-disruption database upgrades, migrations, and optimization Proven results • Automated invoicing system that cut billing delays by 80% • Excel reporting solution that saved 15+ hours every month • Compliance database now used daily by AML teams across departments • SQL Server migration for 25+ users with zero downtime Clients work with me because I understand both the technical side and the business workflow. I don’t just build tables, forms, and reports. I help clarify the process, remove unnecessary manual work, and create a system your team can actually use every day. I also have demo solutions available, including Access CRM, inventory, quoting, invoicing, and reporting systems, so you can quickly see the type of work I deliver before starting. Tell me what’s slowing you down. I’ll outline a clear plan before you commit to anything.

  • SQL
  • Microsoft Access
  • Microsoft Access Programming
  • Visual Basic for Applications
  • Microsoft Excel
  • Database Development
  • Database Design
  • CRM Development
  • Database Optimization
  • Automation
  • Power Query
  • Database Report
  • Microsoft Power BI
  • Microsoft Power BI Data Visualization
  • Dashboard
  • Macros
  • Scripts & Utilities
  • Microsoft SQL Server
  • Microsoft Office
  • Microsoft Outlook Development
Ioannis K.

Gorgopi, Greece

$40/hr
5.0
35 jobs

🔹 Full Stack Developer & Web Scraping Expert | AWS Certified Architect | TypeScript, Next.js, Python, PostgreSQL, Redis, Docker I’m an accomplished Full Stack Developer and AWS Certified Architect with a Master’s in Electrical and Computer Engineering, passionate about delivering scalable, high-performance solutions. With deep expertise in TypeScript, Next.js, Python (FastAPI, Django), PostgreSQL, Redis, and Docker, I build robust web applications and APIs. My specialized proficiency in web scraping using BeautifulSoup, Scrapy, and Selenium enables me to extract and process complex data from dynamic, JavaScript-heavy websites with precision. Recent Highlight: DFSHero.com I’m currently leading the development of dfshero.com, a Daily Fantasy Sports platform delivering real-time analytics and seamless user experiences: Frontend: Built with Next.js (TypeScript, React) for a dynamic, responsive UI. Backend: Powered by Python FastAPI for high-performance APIs, with MongoDB and PostgreSQL for flexible and relational data storage. Infrastructure: Hosted on AWS (ECS, RDS, ElastiCache) with Redis caching and Docker containerization, orchestrated via CI/CD pipelines (GitHub Actions). Features: Real-time analytics, secure JWT authentication, and scalable, cached endpoints. This project showcases my full-stack expertise, DevOps capabilities, and adaptability to modern frameworks like NestJS, which I’m actively upskilling in. Web Scraping Expertise I excel in extracting and organizing large datasets from complex websites: Tools: Proficient in Python’s BeautifulSoup, Scrapy, and Selenium for scraping dynamic, JavaScript-rendered pages. Skills: Strong command of HTML, CSS selectors, and data parsing, ensuring clean, structured outputs in formats like CSV or JSON. Experience: Successfully delivered multiple scraping projects with a focus on data integrity, preprocessing, and client-specific requirements, earning consistent 5-star reviews. Why Choose Me? Technical Mastery: Expert in TypeScript, Next.js, Python, PostgreSQL, Redis, and Docker, with AWS certifications (SysOps, Developer, Architect) for scalable cloud solutions. Rapid Learner: Quickly adapting to new tools like NestJS to meet project needs. Reliable Delivery: 40 hours/week availability (8:00 AM–10:00 PM EEST, UTC+3), solo work style, and clear communication for focused, high-quality results. Proven Track Record: Positive client feedback for full-stack development and web scraping projects. I’m eager to drive your project’s success, whether it’s building a cutting-edge web app or extracting critical data. Let’s connect to discuss your needs, review my work on dfshero.com, or explore code samples. Ready to start immediately! 📩 DM me to discuss your project today!

  • SQL
  • pandas
  • Python
  • Data Scraping
  • Amazon DynamoDB
  • Database Architecture
  • Database
  • AWS Lambda
  • Selenium
  • API Development
  • Beautiful Soup
  • Desktop Application
  • Automation
  • Data Extraction
Charikleia P.

Athens, Greece

$25/hr
5.0
2 jobs

I am currently working as a Junior Java Developer at a consulting company specializing in technology solutions, with a focus on software development for order management systems. Previously, I held the role of Enterprise Software Consultant, where I worked on ServiceNow and OpenText solutions. I hold a Bachelor's degree in Informatics from the University of Piraeus, and have developed expertise in programming languages such as Java, SQL, Python, and C#, as well as in technical web development, CMS (Moodle), and database management using MySQL, SQLite, pgAdmin4, and PostgreSQL. Throughout my career, I have worked on various projects, including implementing Branch and Bound in Java, creating a Medieval Village in C# with Unity, and developing an Android-based supermarket administration application using Firebase and SQLite. Additionally, I have worked on web design, building a site for an athlete in HTML, and conducted image processing using OpenCV in Python. With strong interpersonal and communication skills, I am fluent in both written and spoken English and have an average knowledge of German. My attention to detail, multitasking abilities, and time management skills are complemented by a collaborative working style and strong organizational abilities. I have also completed certifications, including the Web Design and Development Course by GFOSS, the ITIL Foundation Certificate in IT Service Management, and participated in the Open Source Festival at the University of West Attica. My diverse skill set and adaptability make me a valuable asset in software development and enterprise technology consulting. I am looking for some small exra income.

  • SQL
  • SQL Programming
  • Web Application
  • C++
  • C#
  • Android
  • English
  • German
  • Writing
  • Greek
Georgios O.

Komotini, Greece

$50/hr
5.0
7 jobs

PhD in Macroeconomics & Finance with 7+ years of research and real-world analysis. I specialize in making complex economic trends, central bank policies, and financial market dynamics clear, actionable, and relevant for clients in finance, business, and policy sectors. With proven experience in academic research, economic policy analysis, and financial markets, I deliver data-driven insights, forecasts, and reports tailored to your needs. I’ve published my work internationally, tutored university courses in capital markets and economics, and collaborate globally as an independent analyst. If you need clear, reliable economic analysis or tailored financial insights to support smart business decisions, let’s work together!

  • SQL
  • Financial Analysis
  • Tutoring
  • Econometrics
  • Statistics
  • Economics
  • Data Science
  • Finance
  • Machine Learning
  • Data Analysis
  • R
  • Python
  • Tableau
  • Microsoft Power BI
  • Database
Efthymios G.

Athens, Greece

$22/hr
5.0
4 jobs

Results-driven professional with 6+ years of experience in audit, accounting, and tax compliance, now specializing in tax technology and data-driven automation. Currently at Deloitte, delivering ERP-based automation solutions for Pillar II compliance through platforms like SAP PaPM and Oracle EPM. Pursuing a Master's in Big Data Analytics, developing expertise in data wrangling, reporting automation, and enterprise system optimization. Strong foundation in regulatory frameworks, data transformation, and cross-functional collaboration - passionate about applying analytical and technical skills to support innovation and growth in modern business environments. DATA & ANALYTICS TOOLS Excel (Advanced) | Alteryx SAP PaPM | Oracle EPM Power BI | Tableau (basic) SQL | Python | R (basic) ERP & ACCOUNTING SYSTEMS EpsilonNet | SoftOne Entersoft | Prosvasis ERP Data Mapping & Integration PROCESS & DATA HANDLING

  • Microsoft Excel
  • Alteryx Analytic Process Automation Platform
  • Python
  • Bookkeeping
  • Light Bookkeeping
  • Google Sheets
  • Automation
Kimon K.

Athens, Greece

$75/hr
5.0
1 jobs

Performance-driven and goal-oriented but also easy-going and fun. As a result of my inquisitive nature, I love solving problems and optimizing all sorts of system. Can work equally well under pressure or not and remain focused in the face of adversity. Do not shy away taking on additional responsibilities and tasks, even ones of a more managerial nature. Research interests include novel memory technologies and ways to optimize their use, novel ways to accelerate data center applications through FPGAs, processing architectures for networks and softwaredefined networks.

  • FPGA
  • SystemVerilog
  • VHDL
  • Computer Hardware
  • Computer Hardware Design

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