freelance data science engineer python sql

Data Quality Engineer (German-speaking) What you’ll work on (project examples) * Implementing data quality checks in data pipelines (validation, reconciliation, anomaly detection, rule-based controls) * Building reusable data quality frameworks and tooling (e.g., Great Expectations, Soda, Ataccama, Informatica, or similar) * Integrating quality...

Our opportunity Junior Data Scientist – ideal for fresh graduates! We have data. We have cutting-edge technology and analytics tools. We need an enthusiastic individual to deal with business challenges and make a difference. We need an extra pair of hands and creative mind in our young dynamic team. Interested? Give it a try. We need you! Your...

DescriptionYour Growth UnleashedWhere your journey begins and your potential shinesAt Synpulse, we don’t just consult – we transform. As a leading global management and technology consultancy with Swiss roots, we empower financial institutions to navigate change and seize new opportunities. Since 1996, we've been shaping the future of financial services...

Location: Bratislava (Preferred) or Fully Remote (EU Only) Languages: Slovak & English (Proficient) The Mission We are a focused, agile team of 20-30 people driving the future of energy. We operate as a B2B service provider across Slovakia and the Czech Republic, with active expansion into Ukraine, Bulgaria, and Austria. Our core business is intelligent...

AI Engineer Key Responsibilities * Design, develop, and deploy AI and Machine Learning solutions. * Build Python-based applications leveraging Generative AI, LLMs, RAG, NLP, Computer Vision, and Data Science techniques. * Participate in the full project lifecycle, from requirements gathering through deployment and ongoing support. * Collaborate with...

By clicking the “Apply” button, I understand that my employment application process with Takeda will commence and that the information I provide in my application will be processed in line with Takeda’s Privacy Notice and Terms of Use.  I further attest that all information I submit in my employment application is true to the best of my knowledge.Job...

DescriptionKey Responsibilities: Design, develop and maintain full-stack applications (frontend, backend, APIs) for the Global Supply Chain Operations team Integrate AI/ML services, copilots and intelligent workflows into enterprise applications Maintain and evolve business systems - configuration, data migrations, environment management; act as escalation...

WE DELIVER TECHNOLOGY SOLUTIONS CONNECTING YOUR WORLD!Group Network Technology (GNT) is a key part of Deutsche Telekom, where international teams shape and deliver innovative telecommunications IT and network technology solutions across Europe - from architecture and engineering to development, testing, infrastructure, and operations.In Cloud, we build and...

WE DELIVER TECHNOLOGY SOLUTIONS CONNECTING YOUR WORLD!Group Network Technology (GNT) is a key part of Deutsche Telekom, where international teams shape and deliver innovative telecommunications IT and network technology solutions across Europe - from architecture and engineering to development, testing, infrastructure, and operations.In Cloud, we build and...

Company DescriptionOur brand Deutsche Telekom IT Solutions Slovakia entered the life of Košice region in 2006 under the name of T-Systems Slovakia and ever since has been inextricably linked with the region when became one of the founding members of Košice IT Valley. We have managed to grow from scratch to the second largest employer in the eastern part of...

Junior Data Engineer   Place of work: Bratislava/ Košice/ Žilina Contract type: Full timeStart date: ASAP/ Upon agreementSalary: 1800 €/month (depending on previous work experience)    At EY, we’re all in to shape your future with confidence.    We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career...

Xebia is a global AI-first, digital transformation, and engineering partner. With over 25 years of experience and a team of 5,000 professionals across 16 countries, we help organizations design and build scalable products, platforms, and data-driven solutions. We specialize in Artificial Intelligence, Data and Cloud, Intelligent Automation, and Digital...

At Exxeta, we challenge the traditional concept of consulting and tech. Every day, more than 1200 colleagues in different locations create digital solutions, change markets and transform mindsets - driven by our passion for technology, our team spirit and the urge to create real impact. In other words: High tech with a heartbeat. As a Data Engineer (all...

We are seeking a detail-oriented and analytical Senior Compensation Analyst to join our People Science & Analytics team. You will analyze complex compensation data, generate actionable insights, develop analytical products, reports, and models, and enable data-driven decision-making within compensation processes and programs across the organization. The...

About The Team Our Conversational AI team designs, builds, and optimizes a growing portfolio of chatbots and voicebots for global brands. We're expanding and looking for new people to join us on the delivery side. Role purpose The Conversational AI Tech Lead functions as a "player-coach," balancing hands-on software engineering with leading, mentoring,...

Bloomreach is building the world’s premier agentic platform for personalization.We’re revolutionizing how businesses connect with their customers, building and deploying AI agents to personalize the entire customer journey. We're taking autonomous search mainstream, making product discovery more intuitive and conversational for customers, and more...

Bloomreach is building the world’s premier agentic platform for personalization.We’re revolutionizing how businesses connect with their customers, building and deploying AI agents to personalize the entire customer journey. * We're taking autonomous search mainstream, making product discovery more intuitive and conversational for customers, and...

Make a difference in the financial life of millions of people: At Erste Digital you are co-creating the digital future, in which better financial health is possible. #believeinyourself We are part of Erste Group – the largest banking group in Central and Eastern Europe with more than 2,500 branches and over 45,000 employees. Our more than 2,000 IT...

Shift4 (NYSE: FOUR) is boldly redefining commerce by simplifying complex payments ecosystems across the world. As the leader in commerce-enabling technology, Shift4 powers billions of transactions annually for hundreds of thousands of businesses in virtually every industry. For more information, visit www.shift4.com. What you will do. A glimpse into your...

Shape production-grade AI solutions, lead impactful technical initiatives, and help advance AI engineering across Swiss Re.    About the Role  This isn't about building AI for the sake of it—you'll design and deliver solutions that create tangible, measurable value. From leveraging AI to understand complex documents to building intelligent assistants...