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With experts in Big Data, your data infrastucture and management endeavors will thrive. Big data engineers harness advanced technologies to process large volumes of data and build scalable data infrastucture.
Hire Top
Big Data Engineers
Without the Search Struggle.
With experts in Big Data, your data infrastucture and management endeavors will thrive. Big data engineers harness advanced technologies to process large volumes of data and build scalable data infrastucture.
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Since the beginning of our collaboration, the highly qualified team at ElevateX has been significantly involved in the development of our apps. With a proactive, communicative, and fully committed way of working, ElevateX has been laying an important foundation for the success of our projects.
ElevateX is an ideal partner for us.
I have been working with "ElevateX" since mid-2019. After a time consuming search for a flexible solution for Android and iOS development I found a professional and reliable partner.
We had an excellent experience working with Ralf (CTO of ElevateX) on several IoT projects for our connected app features based on Bluetooth LE. The team is technically very strong, proactive, independent, and committed to the success of the project all the way.
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Frequently Asked Questions
What is a Big Data Engineer?
A big data engineer is a highly skilled professional who specializes in managing and analyzing large volumes of data. They leverage advanced technologies and tools to extract valuable insights, empowering businesses to make data-driven decisions for growth and success. As a big data engineer, their expertise lies in optimizing data processing, storage, and analysis to unlock the full potential of big data.
How does hiring freelancers with ElevateX work?
In a personal consultation, we will advise you on the most suitable solution. After that, you choose your suitable candidate from pre-qualified and vetted freelancers and the cooperation can begin.
How long does it take to hire freelancers with ElevateX?
Depending on your technical requirements and availability, you can start working with the freelancer within a few days.
Big Data Engineer - Job Profile & Info
What is a Big Data Engineer?
A Big Data Engineer is an IT expert who deals with the development and management of large-scale data infrastructures. They focus on capturing, integrating, and consolidating large amounts of structured and unstructured data from external as well as internal sources. Their responsibilities include working with heterogeneous data formats, data visualization, and ensuring data quality and security.
What Is Big Data?
Big Data refers to large and complex datasets that cannot be efficiently processed, stored, or analyzed using traditional data processing methods due to their volume, velocity of generation, and variety. Sources of Big Data include, among others, business transactions, social media, sensors, mobile devices, and websites. The data is generated in real-time and includes various data formats and types. In addition to structured data organized in traditional relational databases, Big Data also encompasses unstructured data such as texts, images, audio files, videos, log files, and more.
What Does A Big Data Engineer Do?
Development of efficient data architecture:
The Big Data Engineer designs, implements, and maintains data infrastructures that support the storage and processing of Big Data. This includes databases, data pipelines, data warehouses, and various other systems. Integration of Application Programming Interfaces (APIs) allows different software applications to communicate and exchange data.
Data acquisition:
The Big Data Engineer captures, integrates, and consolidates data from various internal and external sources. This often involves working with heterogeneous data formats. Techniques such as web crawling, web scraping, and APIs are commonly used.
Implementation of data processing solutions:
Developing and implementing enterprise-appropriate, efficient data processing solutions is another characteristic of a Big Data Engineer’s role. This involves selecting technologies, data warehouses, data lakes, or other storage solutions that allow efficient storage and access to large datasets.
Data integration and processing:
Big Data Engineers develop ETL (Extract, Transform, Load) processes to extract, transform, and integrate data from different sources into the target system. They program scripts and use Big Data processing tools such as Hadoop, Spark, or Apache Kafka.
Performance optimization and scalability:
By scaling the data infrastructure according to the company’s needs, the Big Data Engineer optimizes the performance and speed of data analysis and processing. This includes fine-tuning database queries, utilizing parallel processing, and tuning data pipelines.
Data privacy and system security:
A Big Data Engineer implements security measures in accordance with applicable data protection regulations to prevent unauthorized access. Encrypting sensitive data is part of their responsibilities, as well as managing access rights and implementing security policies.
What Tools Does A Big Data Engineer Work With?
A Big Data Engineer utilizes various modern tools for processing, storage, and analysis. Some of the most common tools used by Big Data Engineers include:
- Python: a flexible programming language used for script and workflow development.
- SQL – Structured Query Language: a query language used to communicate with relational databases. The majority of existing data systems are equipped with SQL interfaces.
- NoSQL databases: NoSQL stands for “Not only SQL.” NoSQL databases like Cassandra, MongoDB, HBase, and Couchbase follow a non-relational approach. They do not require defined table schemas, scale horizontally, and are well-suited for capturing and processing unstructured data.
- Hadoop: an open-source software framework for distributed processing of large datasets. It includes the Hadoop Distributed File System (HDFS) for data storage and MapReduce for parallel processing.
- Apache Spark: a cluster computing framework that enables real-time data processing, machine learning, and interactive queries. Spark also supports streaming data processing.
- Apache Kafka: a distributed streaming platform that enables capturing, storing, and processing large volumes of streaming data in real-time.
- Cloud platforms: Cloud-based platforms like Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform offer various storage solutions, data processing engines, and analytics tools.
Big Data Engineer And Related Roles
As a highly skilled professional responsible for data capture, processing, and analysis, a Big Data Engineer closely collaborates with IT specialists who require similar qualifications and skills.
- The Data Scientist is responsible for developing models and algorithms for data analysis and evaluation. They use statistical analysis, machine learning, and data mining techniques to identify current patterns and trends.
- A Data Analyst analyzes data sets and presents the results in the form of reports, dashboards, and visual representations, which form the basis for decision-making and marketing strategies.
- Data Architects create data models and architectures that enable efficient storage, processing, and utilization of captured data. They identify promising database technologies, structuring approaches, and data flow patterns.
- The Data Engineer is responsible for developing and maintaining data pipelines and infrastructures. They work with data of various scales and handle all aspects of data pipelines, including data integration and transformation.
- A Machine Learning Engineer is responsible for developing and implementing machine learning algorithms and models. Using the captured data, they train and optimize models to create forecasts and decision-making systems.
How Do Big Data Engineers And Data Scientists Differ?
The Big Data Engineer focuses on the collection, storage, processing, and provisioning of large amounts of data. Their emphasis is on efficiently processing and storing data to make it accessible for analysis. They possess extensive knowledge in areas such as databases, data processing technologies, cloud computing, and scripting.
On the other hand, the main focus of a Data Scientist lies in data analysis and deriving meaningful conclusions from it. They use statistical models, machine learning, and data mining techniques to identify trends and patterns. Data Scientists require substantial mathematical, statistical, and programming skills.
How Do Big Data Engineers And Machine Learning Engineers Differ?
The primary difference in the roles of these two IT professionals lies in the focus of their activities. While the Big Data Engineer concentrates on data collection and management, the core responsibility of a Machine Learning Engineer revolves around the development, implementation, and optimization of machine learning algorithms. They are specialists in statistical modeling, programming, and frameworks such as TensorFlow, scikit-learn, or PyTorch.
How To Become A Big Data Engineer?
In Germany, Data Engineering is not yet offered as an independent course of study. Due to the rapidly growing demand for IT specialists, career changers are sought after. One requirement for working as a Big Data Engineer is to have completed a degree in computer engineering, computer science, or business informatics. However, a degree is not always mandatory. A completed education as a statistician is an ideal qualification for becoming a data technician. Data technicians with an IT background are currently in high demand as practical specialists.
How Much Does A Big Data Engineer Earn?
Big Data Engineers are highly sought-after professionals, and their entry-level salaries are correspondingly high. In Germany, the average starting salary is currently around 50,000 EUR per year. The salaries of experienced specialists can reach up to 70,000 EUR and can be significantly higher in IT hotspots like Berlin, Munich, and Hamburg. Even higher salaries are achieved in the United States.
Big Data Engineers Are Highly-Demanded. Future-Proof Your Team.
