What is a Data Engineer?
A Data Engineer, or Big Data Engineer, is an expert in the management of large-scale databases. They are in charge of collecting data and making it available for use within a company. A freelance Data Engineer is responsible for defining, developing and implementing tools to facilitate data analysis. Do you need a freelancer to handle your company’s data processing? Hire a freelance Data Engineer! The best ones are on Malt.
All you need to know about freelance Data Engineers
What does a freelance Data Engineer do?
Data is at the heart of today’s challenges and is likely to remain so for decades to come. Data Engineers play a central part in the collection and processing of data. They are involved in many tasks related to Big Data. For example, they design solutions for collecting and processing large volumes of data (pipelines) and are responsible for ensuring their readability among Data Analysts and Data Scientists. Freelance Data Engineers lead the team responsible for data in the company and remain within it throughout the process.
They usually come from an engineering or computer science background. Freelance Data Engineers are proficient in structured computer languages (Javascript, Scala, Python) and database solutions (SQL, NoSQL). They must also be competent in database storage and ETL tools. Data Engineers frequently use technologies that allow the processing of Big Data (Hadoop, Spark, Kafka).
With such advanced skills in IT, statistics and database management in general, the services of a freelance Data Engineer are invaluable. They are in a sense the backbone of data, from its retrieval to its processing.
How does a freelance Data Engineer work?
Freelance Data Engineers can focus on different areas of data management for their clients. Each company will, of course, have specific needs and must brief their freelancer as well as they can. This will allow them to clearly identify problems and define the best solutions to put in place to address them. Depending on your needs, the freelance Data Engineer may travel to the company’s premises or work remotely.
Among their many roles, they’ll be able to design, develop and maintain the architecture responsible for storing and processing your company’s data (data pipeline). This is why they must be proficient in Python and the operation of SQL or NoSQL databases. In order to facilitate the handling of this data, they’ll need to use Hadoop, Spark or Kafka.
Freelance Data Engineers can also provide advice on trade-off analysis or architecture choices. Their expertise in Big Data is essential to facilitate the handling of data by your teams. They will also be able to design the platforms for its processing and ensure that data pipelines are secure.
How to choose a freelance Data Engineer?
While all Data Engineers are familiar with Python and SQL, some specialize in machine learning and artificial intelligence or in data stream techniques. Others prefer to work in data processing and can also act as Data Scientists or Data Analysts. Depending on your needs, you can search for a specific profile using keywords such as ‘Machine Learning Engineer’, ‘Data Architect’ or ‘Data Engineer Data Analyst’ to find a more versatile freelancer. You can also search by specific skills such as ‘Hadoop’, ‘Jenkins’, ‘Spark’ or ‘NoSQL’.
Their experience
Freelance Data Engineers typically have several years of experience under their belt. On Malt profiles, you’ll be able to consult freelancers’ experience and reach out to those who have the most experience in your sector. Freelancers who’ve already carried out projects on the platform will have reviews and feedback from previous clients. This’ll give you a good idea of how their projects went and the skills of the freelance Data Engineer.
Their rate
The Average Day Rate (ADR) allows freelancers to give you an idea of the cost of their services. A freelance Data Engineers’ ADR varies according to their experience, degree of expertise and location. An expert with more than 7 years of experience will charge more than … per day, while a beginner who has just started out is more in the range of… On Malt, you can also sort by price using the search filters to find a freelancer who perfectly fits your budget.
