Hello, my name is

Stavros Ketseas

Freelancer as

🔷 Data Scientist
🔷 Web Developer
🔷 Digital Marketer
🔷 Online Tutor

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About me

I am an enthusiastic Freelancer based in Athens, Greece with an experience of over 2 years in projects related to Data Science, Web Development, Digital Marketing and Online Tutoring.

I use Data Analytics & Machine Learning to unlock meaningful insights.

With years 2 of experience in Data Science, Data Analytics, Data Engineering, Machine Learning and Microsoft Power BI, I have mastered the skills of understanding client requirements according to the latest trends. I have designed and Implemented solutions for major High Tech companies worldwide. I have delivered high quality project, always within agreed timelines. I have unlocked meaningful insights leading to company’s growth. I have worked with businesses from different niches so you can rely on me for yours.

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I design professional & beautiful websites

I’ve spent time working across different areas of design like front-end development, landing pages, email design and UI/UX design. Having worked on various projects that are already live, I can help you with the best possible suggestions and ideas that we can proceed with. With me, you aren’t forced to accept anything. I give you a variety of options we can work on together.

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Digital Marketing tailored to your goals

As a dedicated digital marketer, I help businesses transform their online presence, boost engagement, and achieve measurable growth. From crafting impactful campaigns to optimizing SEO and social media strategies, I turn digital challenges into success stories tailored to your unique goals.

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I provide online lessons

Having obtained my tutoring licence, I am able to provide tutoring to multiple kinds of courses. I am expert on Programming Languages and Mathematics, but I am willing to assist you in a variety of subjects and lessons. Feel free to ask me via my contact page for any further details.

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What I do

From understanding your requirements, translating them to technical needs and delivering the final product, I do everything that falls in between these lines.

Data analytics & machine learning

Unlocking insights, shaping futures: Data analytics and machine learning at the forefront of innovation.

Web Development

Elevating experiences, shaping the digital world: Web development driving connectivity and creativity.

Online Tutoring

Empowering minds, transcending borders: Online tutoring igniting learning anytime, anywhere.

Technical Skills

Python
95%
SQL
85%
Microsoft Power BI
90%
R
80%

While the skills are certainly noteworthy, they represent just a glimpse into the diverse capabilities I possess. Beyond these areas, I excel in a myriad of other skills and disciplines. From programming languages to project management, creative problem-solving to effective communication, my expertise extends far beyond the confines of any single domain. I thrive on the opportunity to continuously learn and adapt, always expanding my repertoire to tackle new challenges with confidence and proficiency.

My Work Experience

10/2023 - Present

Ubitech LTD

microsoft power bi - data analyst

For Hellenic National Cadastre (proof of concept - production pending) – Development of Microsoft Power BI Application for efficient monitoring of Hellenic National Cadastre’s operation and improvement, including Data Modeling Techniques, DAX, Power BI Desktop, Power Query, interactive dashboards, visualizations customization, drill-down features implementation, appealing reports, ETL processes, Data manipulation and analysis, Query writing and optimization (MSSQL). KPI’s fulfillment and actionable insights revelation through collaborating with stakeholders, understanding business requirements and translating business needs into technical solutions

09/2023 - 10/2023

Ubitech LTD

Web Developer

For Major Sports Betting Company – Development and optimization of company’s website and mobile application (UI/UX Design) using React

01/2023 - 07/2023

Accenture Greece

DATA ENGINEER

For Major High Tech Company – Data Engineering on a cloud platform (Aera skill builder) with SQL following industry best practices and performing advanced querying for efficient supply chain management. Full stack development using Exasol SQL, Java, ETL for Big Data, Data Management, GUI design (UI/UX) in a visual programming tool, low code environment, Star Schema Relational databases (BI), testing and documentation tasks

11/2022 - 12/2022

Accenture Greece

MACHINE LEARNING ENGINEER

Internal Organization Projects – Newsletter software using python and web scraping techniques – T&O: Resume Screening using Machine Learning via python

05/2022 - 10/2022

Accenture Greece

DATA SCIENCE ANALYST

For Major High Tech Company – End-to-end process automation use cases from data ingestion to monitor business KPIs and incorporate intelligence that transforms the way the customer works, using PostgreSQL, MS SQL, Python, Shell scripting (Bash) and DevOps concepts

Portfolio

In this portfolio you will find a mixture of corporate, freelancing and academic projects.

Some of my projects are not included, duo to confidentiality limitations and restrictions.