Big Data & Data Science

Develop innovative solutions with the help of data analysis.

“Big data” and “data science” are two terms that are often used in the context of modern data analysis. However, they refer to different aspects: Big Data generally focuses on the characteristics and challenges of large amounts of data, while Data Science is a broad field that deals with the analysis and interpretation of data of any size. Data science can use techniques and methods developed specifically for working with big data, but it is not limited to large data sets.

The overall focus of big data is on dealing with the size, velocity and variety of data, whereas data science focuses on the analysis and interpretation of data.

Big Data & Data Science

What is Big Data?

Big data refers to very large amounts of data that are difficult to handle using conventional methods of data processing and analysis due to their volume, complexity and rapid generation. This data can come from a variety of sources, such as social media, sensors, digital images, videos, transaction data and many others. The special features of big data can be characterized by the so-called “3 Vs”:

  • Volume: the sheer amount of data that is generated and stored. This can range from terabytes to petabytes or extra bytes.
  • Variety: The different types of data that are processed. This includes structured data (such as in traditional databases) and unstructured data (such as text, images or audio).
  • Velocity: The speed at which data is generated, processed and analyzed. This can include real-time or near-real-time processing.


However, there are also other characteristic “Vs” that can be added, including

  • Reliability (Veracity): The quality and accuracy of the data.
  • Value: The ability to extract useful information from large amounts of data.

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What is Data Science?

Data science deals with the extraction of insights from data. It combines various aspects of statistics, computer science, mathematics and business analysis to analyze large amounts of data and draw conclusions from it. Data science uses modern techniques and tools to understand, interpret and utilize structured and unstructured data. The main objectives of Data Science are:

  • Data Analysis & Interpretation: statistical methods and algorithms are used to recognize patterns and relationships in data. Data is analyzed to identify trends, test hypotheses and make predictions.
  • Development of data models: Through the use of machine learning and other analytical methods, models are developed that can map complex phenomena and generate predictions or recommendations.
  • Decision-making: The insights gained help companies and organizations make decisions by providing data-driven insights into various aspects such as customer behavior, operations and market trends.
  • Data visualization: Complex results are often visualized through representations to make them more understandable and accessible to decision makers and stakeholders.
    Problem solving: Data science is used to solve specific problems by using data to identify root causes, develop solutions and optimize strategies.
  • Driving innovation: By analyzing data, new products, services and business models can be developed based on the insights gained.


With the increasing availability of large amounts of data and the further development of analysis technologies, data science is playing an increasingly important role in the modern business world and research.

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The Future of Big Data and Data Science

The future outlook for careers in big data and data science, as well as for the industry as a whole, is extremely positive. These fields are expected to continue to experience significant growth and high demand, driven by several key factors:

  • Data volumes are growing continuously – With increasing digitalization in almost all areas of life, the amount of data generated is growing exponentially. Companies and organizations in all industries are collecting more data than ever, increasing the need for professionals who can effectively manage and analyze this data.
  • Data-driven decision making – There is a growing trend towards data-driven decision making in organizations. Data science and big data make it possible to extract valuable insights from large amounts of data that influence business strategies, product developments and customer interactions.
  • Technological progress – Advances in areas such as artificial intelligence, machine learning and cloud computing are expanding the possibilities for data analysis and processing.
  • Diverse application areas – Big data and data science are used in a wide range of industries, creating a variety of career opportunities and a broad demand for skilled workers.
  • Greater awareness of data protection and security – As the amount of data increases, so does the awareness of data protection and security.
  • Competitive advantage through data analytics – Companies are recognizing that effective data analytics can be a key competitive advantage, driving innovation in data science and big data technologies.

Relevant Profiles

  • Data Scientist
  • Data Analyst
  • Big Data Engineer
  • Machine Learning Engineer
  • Business Intelligence (BI) Analyst
  • Data Engineer
  • Data Architect
  • Statistiker
  • Quantitative Analyst
  • Data Governance Manager
  • Data Visualization Specialist
  • AI Specialist
  • Data Privacy Officer
  • Data Quality Manager

Overall, these trends indicate that careers in big data and data science are not only currently in demand, but have a solid and promising long-term future. The ability to analyze data and gain valuable insights from it is seen as a key skill in the modern economy. Specialists in these fields can therefore expect high demand, good salary prospects and exciting career opportunities.