freelance data science engineer python sql

DescriptionAbout usNavarino is an innovative global technology company with offices in Greece, Norway, Germany, Cyprus, the United Kingdom, Hong Kong, USA, UAE, Japan and Singapore. We develop technology solutions for the shipping industry and are a leader in our sector. Our R&D and engineering departments focus on building and enriching our product...

DescriptionThe TeamOpenBet is a global leader in betting and gaming entertainment, trusted by over 200 partners to create memorable winning moments for millions of players worldwide. From processing bets during iconic events like the FIFA World Cup and Super Bowl to pioneering next-gen products like BetBuilder, we continuously redefine the player experience...

Job Description & SummaryDescriptionWe are a team that turns complexity into opportunity. We look for the curious and collaborative – ready to commit to growth, think boldly and make an impact from day one.  SHAPING TOMORROW Make a real impact, today, and tomorrow, through work that matters. Here, you will tackle today’s toughest challenges with a...

Description Location: Athens, GreeceDepartment: AI & AnalyticsReporting line: AI & Analytics ManagerExperience: 3–7 years in AI, Analytics or Data Engineering ABOUT CASTOR SHIPSWe are a growth-oriented global shipping company engaged in the seaborne transportation of a wide range of commodities along worldwide shipping routes through our ownership of dry...

DescriptionOptasia is a fully enabled B2B2X financial technology platform covering scoring, financial decisioning, disbursement and collection. We are committed to enabling financial inclusion for all. We are changing the world our way.We are seeking for enthusiastic professionals, with energy, who are results driven and have can-do attitude, who want to be...

DescriptionAre you passionate about AI? 🤖 At Satori Analytics, we aim to change the world one algorithm at a time by bringing clarity to global brands through Data & AI. From cloud-based ecosystems for fintech to predictive models for airlines, our cutting-edge solutions cover the entire data lifecycle—from ingestion to AI applications. As a...

TBO.COM — Global Travel Tech Leader We are seeking an experienced Business Data Analyst . You’ll work closely with our Regional Analytics Lead, Revenue team, Data Integration team, and other stakeholders to develop insights, dashboards, and analytical initiatives that drive the performance of our regional business. This role requires fluent English and...

PPC Trading – Energy Data Scientist Senior Manager The world of energy is constantly evolving, creating new challenges and opportunities for those who want to make a difference. At PPC Group, we believe the future is shaped by people who want to grow, innovate, and make a real impact. PPC Trading, a member of PPC Group, is driving the transition toward a...

Are you proud of building and maintaining automated and manual tests? We are hiring a Test Automation Engineer to work in Athens, Greece. We' re seeking English speakers with valid work permits to join our team. What You'll Do Collect requirements to develop test strategies and plans for functional, regression, end-to-end, and automation testing.Analyze...

DescriptionD ONE is a premium consultancy specialized in data, AI, and transformation. We help organizations turn ambition into impact by aligning strategy, building strong data foundations, delivering high-impact solutions at scale, and ensuring adoption and trust through governance and people focus.From Zurich, Munich, and Athens, we support clients across...

Are you a talented Data Analyst with a passion for Power BI? Join us in shaping the future of e-Government! We're looking for a skilled Data Analyst - Power BI Specialist to drive the design, analysis, and implementation of data models, reports, and dashboards. What You'll Do: Collaborate with stakeholders to understand business needs and translate them...

DescriptionQuant Greece is a Fitch-rated, independent domestic NPL servicer managing c.€10bn across all asset classes, offering coherent E2E debt management solutions to financial constituents and institutional investors in Greece.We are looking for a results-oriented Business Intelligence Engineer to support the Modeling and Data Management department,...

DescriptionAntenna Group is a leading international content, media and entertainment organization, owning and operating a diverse portfolio of global media assets across a variety of platforms: Television, Pay TV, OTT, Radio, Cinema Exhibition, Digital, Music, Publishing and Education, throughout Europe, North America and Australia. Antenna Group is...

About Allwyn Hellas  OPAP is now Allwyn, entering a new era of transformation powered by digitalization, innovation and unique experiences for retail and online customers.   Allwyn is a multi-national gaming entertainment company, lottery-led, with leading market positions and trusted brands across Europe and North...

DescriptionWe are seeking a highly motivated and experienced AI/RL Software Engineer based in Greece to join our team. The ideal candidate will have a strong background in Python programming and a deep understanding of machine learning, reinforcement learning techniques and practical experience integrating LLMs and coordinating modular agents...

Company Description: Exandia Corp. (www.exandia.com) specializes in developing innovative integrated information systems and modern digital services for customers worldwide. Exandia Corp. leads large-scale projects across multiple industries, including education, fintech, healthcare, logistics, and the public sector. With a commitment to innovation and...

DescriptionOptasia is a fully enabled B2B2X financial technology platform covering scoring, financial decisioning, disbursement and collection. We are committed to enabling financial inclusion for all. We are changing the world our way.We are seeking for enthusiastic professionals, with energy, who are results driven and have can-do attitude, who want to be...

SW QA Engineer In times of increasing resource scarcity, global warming, and environmental challenges, GWF goes the extra mile to measure valuable resources (water, heat, gas, electricity). We are developing new measurement and communication technologies to accomplish double-digit growth and bring cool products to the market.   In Thessaloniki, GWF...

The Role:  We are looking for a Senior Data Scientist specializing in Graph AI to join our growing Data Science team. In this role, you will design and deploy production-grade graph machine learning solutions, working with Graph Neural Networks (GNNs), graph databases, and large-scale datasets to solve complex real-world problems.   You will play a...

We are looking for a highly skilled Senior Machine Learning Engineer to design and implement machine learning models and systems that address complex challenges and drive meaningful business outcomes. You will play a critical role in extracting insights from data, building advanced pipelines, and leveraging generative AI to develop impactful solutions. This...