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What Employers are Expecting while Hiring Big Data Engineers?

Sofia Peterson by Sofia Peterson
May 29, 2021
What Employers are Expecting while Hiring Big Data Engineers?

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Data engineering is a convergence of software engineering and data science. Hence it helps to have expertise from each area. Most big data engineers are beginning to work as software engineers because they rely extensively on programming.

The specific needs for all these opportunities include machine learning methods, statistics, data analysis, data cleansing, deep learning techniques. Alongside this expertise, some employers expected candidates to have cloud-based knowledge, such as Tableau, Power BI, and ETL technologies such as SSIS. Usually, these technologies are more connected with the Data Analyst/Data Engineer positions. However, the data scientist’s job continues to evolve.

You can validate your expertise by certifying potential employers. Build your skills with the Big Data Engineer course.

Desired Experience

Companies explicitly search for experienced applicants. Candidates with 5-10 years of experience seemed to have more vacancies. It is reasonable because the jobs of data scientists require significant expertise in decision-making. Candidates with a minimum experience of 2 years have relatively decent prospects.

It does not mean that newcomers aren’t able to get in. It only means that there are more openings for experienced participants than newcomers. Typically, companies do not recruit freshers, and they recruit them directly from university recruiting via these platforms. Freshers can always select to get the necessary experience for start-ups.

There were more vacancies with more experienced personnel, which left us with roles to open up. Most vacancies are still called data scientists and followed up by a senior data scientist and lead data scientist, who needs a good background.

Desired Skills

  • Machine learning, as the primary skill a data scientist needs, is no surprise.
  • The essential activities every data scientist must undergo are data mining and data analysis.
  • Statistical solid modeling is essential to be a better data scientist.

Companies expect excellent deep learning expertise since the latest technology provides a solution to specific interesting real-time NLP and Computer vision issues.

Employers want candidates to know about Big Data technologies because the amount of data captured daily increases enormously. We could work on enormous datasets in real-time, where these capabilities are beneficial.

Must Big Data Engineer Technical Skills that Employers Look for:

Businesses from all branches today aim to make sound judgments within their organization and beyond their own, such as calculating KPIs and remaining competitive in the former. The big data industry is the only way to do this.

T-shaped professionals are regarded as excellent employees across the sector. These big data engineers are generalists and represent the T horizontal bar and possess the know-how of the most commonly used languages, including SQL, Python and other, ETL, and databases. The data technology provides an overview.

Apart from a good foundation in software engineering, other big data engineering skills one should possess is to know languages used to model and analyze statistics, data storage solutions and create data pipelines.

1. Database systems:

SQL is the standard programming language for developing and managing related database systems. NoSQL databases are non-tabular, and they come in various formats, such as a graph or a document, depending on their data model. Data engineers need to know how to use DBMS. This software application provides an interface to databases to store and retrieve information.

2. Data Warehousing Solutions:

Data warehouses contain vast data for querying and analysis, both current and historical. This data is transmitted from several sources, including CRM, accounting, and ERP systems. The information is then used in reporting, analysis, and data mining by the organization. Most businesses demand engineers at the start-up level to become familiar with the cloud services platform Amazon Web Services (AWS), with an entire data storage system ecosystem.

3. ETL Tools:

ETL (Extract, Transfer, Load) refers to how data is extracted from a source in a format that may be examined and loaded into data storage, converted (transformed) into a structure. Machine learning: Machine learning algorithms, often known as models, assist data scientists in predicting based on historical and actual data. Data engineers need a basic master’s know-how to understand better the needs of the data scientist, develop models, and create more precise data pipelines.

4. Python, Java, and Scala programming languages:

Python is the top programming language used for statistical analysis and modeling. Java is frequently utilized in data architecture, and Java is the majority of its APIs. Scala is the Java language extension compatible with Java while running on JVM.

5. Data APIs:

An API is an interface used for data access by software programs. Two applications or devices can communicate for a specific job.

6. Algorithms and Data Structures:

Data engineers are mainly focused on data filtering and data optimization, but basic algorithm knowledge helps understand the entire data function of the organization and defines control points and end objectives to address the business problem.

But today, data engineering roles are ready to compete hard for data scientists. Data engineers can overlap some of their responsibilities. Still, they essentially move and process data into pipelines for the data science team. Simply put, data engineers are faced with three crucial jobs – design, construction, and organization of data pipelines. Data scientists, by contrast, analyze, test, collect and optimize data.

Big Data Engineers are in High Demand

A survey reveals that data engineers are the fastest-growing technological jobs, with over 50 percent growth in available positions per year. In 2019, the number of postings in the last twelve months had increased by 88.3 percent. The need for big data engineers has increased since 2016, according to another survey.

Although many firms become aware of the need for big data engineers, the absence of talent is all too genuine. Data engineers were able to open plum roles because of the demand gap and the high value of data engineers. The number of job vacancies for data engineers is approximately five times that of data scientists as per reports. The demand by big data engineers has begun to surpass data scientists’ needs by 2:1.

And most of them have remarkably high average incomes in comparison with data scientists. Many enterprises pay data engineers 20-30 percent more than data scientists. Data engineers will soon be the best-paid professionals, and their salaries are increasing. Most firms are migrating to the cloud and thus increasing the demand for data engineers.

Sofia Peterson

Sofia Peterson

Sofia is a contributor at The Hack Post who loves to write about Technology. She also enjoys reading books and swims during her free time.

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