What Data Scientists Really Do?

avcontentteam 27 Jun, 2023
9 min read


Have you ever wondered what data scientist job description look like? Data scientists, a unique blend of mathematicians and computer scientists, play a crucial role in the big data industry. Businesses need help to extract meaningful insights from vast amounts of unstructured data, but data scientists possess the expertise to unearth valuable information. Their high demand and generous compensation are driven by their ability to navigate this data maze and separate the wheat from the chaff. The allure of solving challenging puzzles and lucrative paychecks has attracted IT professionals to this field. This article serves as a comprehensive guide to the captivating world of data science, catering to those interested in pursuing this rewarding career path.

Who is a Data Scientist?

Data holds immense significance in today’s business landscape. Data scientists decode its meaning, uncover hidden insights, identify trends, and develop strategies for organizational growth

A data scientist excels in collecting and analyzing vast amounts of data using programming, statistics, and analytical skills. They play a vital role in organizations, leveraging data to create customized solutions.

By gathering and analyzing information from diverse sources, data scientists gain a clear understanding of organizational dynamics. They employ statistical, analytic, and AI tools to automate processes and devise smart responses to business challenges, aiding in trend analysis. Effective data scientists possess technical, analytical, and communication skills.

Data scientists combine math, coding, and statistical analysis to deliver results. For example, a data scientist at a social networking site may study users’ page preferences to personalize advertisements upon login.

Let’s look at data scientist job description now:

Data Scientist Job Description

Data Scientists have a wide range of responsibilities. They work in various sectors, from business to technology to academia. Here is the data scientist job description:

  • The extraction of useful data from valuable sources is known as data mining.
  • Choosing features, building classifiers, and optimizing them using machine learning tools
  • Performing structured and unstructured data preprocessing
  • Improving data collection processes to include all pertinent data for creating analytical systems
  • Preparing, cleaning, and ensuring the accuracy of data for analysis
  • Finding patterns and solutions by analyzing a lot of data
  • Creating machine learning algorithms and prediction systems
  • Clearly presenting the results
  • Offer tactics and solutions to deal with business challenges.
  • Team up with the business and IT departments

Data Scientist Skills

If you want to pursue a career as a data scientist, you must become proficient in the skills needed for jobs in various organizations and industries. Let’s examine the essential skills of data scientists. Key competencies for a data scientist include:

  1. Programming Skills: It would be ideal to have knowledge of SQL, Hive, and Pig, as well as statistical programming languages like R and Python and database query languages like Hive. Knowledge of Scala, Java, or C++ is advantageous.
  2. Statistics: A strong understanding of statistical tests, distributions, regression, maximum likelihood estimators, and other applied statistical concepts is required in statistics. For businesses that rely on data, statistics expertise is crucial.
  3. Machine Learning: Knowledgeable of machine learning techniques such as k-Nearest Neighbors, Naive Bayes, SVM, and Decision Forests.
  4. Strong Mathematical Skills: Data scientists must have a solid grasp of mathematics, including algebra, statistics, and calculus. The ability to work with mathematical models is a must.
  5. Data Wrangling: Proficiency in handling imperfections in data is essential to a data scientist’s job description.
  6. Data Visualization: Experience with Data Visualization Tools like matplotlib, ggplot, d3.js., Tableau helps to encode data visually.
  7. Excellent Communication Skills: Describing findings to a technical and non-technical audience is essential.

Alt Text: Data Scientist Skills
Source: Berkeley Boot Camps

How to Become a Data Scientist?

Time needed: 10 minutes

Becoming a data scientist involves a combination of education, practical experience, and the development of specific skills. Here is a detailed guide to becoming a data scientist:

  1. Get A Degree In Data Science

    Although it’s not always necessary, employers typically prefer to see proof of your academic accomplishments to make sure you have the skills to handle a data science position. To get an advantage in the profession, consider pursuing a relevant bachelor’s degree in data science, statistics, or computer science.

  2. Develop Relevant Skills

    Consider enrolling in an online course or a suitable bootcamp if you feel you could improve your hard data skills. The following are some of the abilities you should possess.
    Programming languages: Data scientists might anticipate utilizing them to handle vast amounts of data, sort through it, and perform other management tasks. The following are common programming languages for data science:

    – Python
    – SQL
    – R

    Machine Learning: When you use machine learning and deep learning in your work as a data scientist, you might potentially forecast the results of future datasets and continuously improve the quality of the data you collect. You can learn the fundamentals of machine learning by enrolling in a course.

  3. Get An Entry-Level Data Analytics Job

    Although there are various ways to become a data scientist, getting a job at an entry-level in a similar field might be a great starting point. Consider careers as a data analyst, business intelligence analyst, statistician, or data engineer, or in a similar job. From there, as your knowledge and abilities grow, you can progress to becoming a scientist.

  4. Prepare For Data Science Interviews

    After a few years of working with data analytics, you could feel prepared to transition into data science. Prepare responses to likely interview questions once you’ve landed an interview.
    You may encounter technical and behavioral questions because data scientist employment might be very technical. Prepare for both and practice answering out loud. You can make yourself seem assured and competent to interviewers by preparing examples from your prior employment or academic experiences. Here are some inquiries you might have:

    – What advantages and disadvantages do linear models have?
    – A random forest is what?
    – How could you use SQL to search for every duplicate in a piece of data?
    – Give an account of your machine-learning experiences.

Where to Start Your Data Science Career?

Our AI & ML BlackBelt Plus Program can help you reach your dream career faster. With one-on-one mentorship with guided projects and a comprehensive & personalized learning path, you are prepared for your AI and ML jobs.

The BB+ program offers weekly mentorship calls, allowing students to engage with experienced mentors who can guide them on their data science journey and offers the chance to work on industry projects under the guidance of experts. Analytics Vidhya’s BB+ program provides personalized recommendations tailored to each student’s needs and goals.

This personalized approach ensures that students can optimize their learning path and address their unique learning requirements, accelerating their journey toward becoming successful data scientists.

How Much Do Data Scientists Make?

Data scientists typically have higher demand and pay than most other ITES jobs. One of the most important factors in determining a data science professional’s salary range is experience. The following table shows the average salary for data scientists in different countries:

CountryAnnual Average Salary
India₹ 10.0 LPA
UAEAED 179,976
New Zealand$219,489

Career Growth and Opportunities

Currently, data science is regarded as one of the most lucrative professions. Data scientists are needed by businesses in all major sectors and industries to assist them in gaining insightful knowledge from large data. Demand for highly qualified data science specialists who can work in the business and IT worlds is rising quickly.

Data scientist careers offer various job paths. Data science is an interdisciplinary field. Thus there are multiple exposure and exit choices. The following are the most common designations for data science professionals:

  • Data Analyst
  • Data Scientist (entry-level)
  • Associate data scientist
  • Data Scientist (senior-level)
  • Product Manager
  • Lead data scientist
  • Director/VP/SVP

Your progress will be based on how quickly you can pick up the necessary abilities to analyze massive data sets and how dedicated you are to your company. Your employer may promote you to more senior data science positions that could require line management of less experienced data scientists.

A junior data scientist can take two to five years to advance to a senior position. After five years, you’ll be expected to assume additional responsibility for people management.

It may be rather simple to transition into new firms because the abilities you get are transferable across various industries.

A different route is to work on initiatives that larger organizations outsource by joining a start-up business. You might also find opportunities to move into larger organizations’ research and development (R&D) departments.

Career growth and development
Source: Jerome Chamber of Commerce

Data science is the application of data and analytics to solve problems that are frequently complex (or numerous) and unstructured. The term “fishing expedition” is used in the analytics sector to describe a project that was never planned correctly in the first place and involves looking through the data for unexpected connections. Although this particular form of “data fishing” does not follow the rules of effective data science, it is nonetheless quite widespread. Therefore, defining the problem is the first thing that must be done.

Some of the challenges in data science include:

Data Preparation for Smart Enterprise AI

A data scientist’s top priority is locating and purging the appropriate data.

According to a CrowdFlower survey, cleaning, organizing, mining, and acquiring data take up about 80% of a data scientist’s day. The data is verified twice at this level before going through more processing and analysis.

The ideal way to handle this situation is to adopt AI-based solutions that assist data scientists in keeping their competitive edge and improving their efficacy. Augmented learning is a customizable AI tool for the workplace that helps with data preparation and illuminates the subject at hand.

Data Generation from Multiple Sources

Organizations get data from various tools, software, and programs they utilize. For data scientists, managing large amounts of data is a major challenge. This method requires manual data entry and compilation, both of which take time and have the potential to lead to mistakes or needless repetitions.

Now, businesses may create complex virtual data warehouses with centralized platforms to consolidate their data sources in one place. To meet a company’s needs and boost productivity, altering or manipulating the data kept in the central repository is feasible.

Communication of Results to Non-Technical Stakeholders

A data scientist’s primary goal is to improve the organization’s decision-making capabilities, consistent with the business strategy that this role supports. Effectively conveying their findings and interpretations to corporate leaders and managers is the biggest challenge for data scientists. It is crucial to give managers and other stakeholders the correct foundational concept to apply the model using business AI because most of them are not familiar with the tools and technologies used by data scientists.

To do so effectively, data scientists must include ideas like “data storytelling” in their analyses and visualizations.

These are a few challenges faced by the data scientists. However, new technologies are now making firms more productive and improving their return on investment. Data analytics, artificial intelligence, big data, and data science. Business companies implement data-driven models to streamline operations and make decisions based on data analytics findings.

Top data science trends in 2023 and beyond include:

The Surge in Cloud Migration

Cloud migration refers to the process of moving an organization’s data, applications, and IT infrastructure from on-premises servers to cloud-based platforms. With the surge in cloud migration, we can expect organizations to continue moving their workloads and applications to the cloud. This trend will likely lead to the development more sophisticated and specialized cloud services to cater to diverse business needs.

Predictive Analytics is Expanding

Predictive analytics involves using historical data, statistical algorithms, and machine learning techniques to predict future events or behaviors. The expansion of predictive analytics will continue, driven by advancements in AI and data analytics. Businesses will invest more in building robust data infrastructures, collecting relevant data, and implementing predictive analytics models.

Cloud-Native Technologies will Become Essential

It refers to applications and services designed specifically for cloud environments, utilizing the inherent advantages of cloud computing, such as scalability, resilience, and elasticity. Cloud-native technologies will become increasingly essential as organizations aim for greater agility and scalability. Businesses will prioritize containerization and microservices architectures to develop modular and scalable applications.

Enhanced User Interfaces

Enhanced user interfaces refer to improving how users interact with software applications, systems, or devices. With the rapid advancement of technology, we can expect enhanced user interfaces to become more prevalent across different platforms and applications. User interfaces will focus on providing seamless experiences across multiple devices and platforms, adapting to users’ preferences and behavior.

Better Control of Data

As data becomes increasingly valuable and organizations face stricter data privacy and security regulations, there will be a growing emphasis on better data control. Organizations will invest in technologies and practices that provide better data control throughout its lifecycle. This includes implementing data encryption, access controls, and data loss prevention measures.

AI as a Service

AI as a service refers to providing artificial intelligence capabilities and services through cloud-based platforms. It will continue to grow as more organizations recognize the benefits of leveraging AI without heavy upfront investments. Cloud providers and specialized AI companies will offer a wide range of AIaaS solutions, making AI accessible to businesses of all sizes.


We hope you now understand the data scientist job description. No matter where you live, positions are always available for qualified data scientists. Starting a career in data science can be rewarding, primarily if you work in the financial, retail, or e-commerce industries. Jobs are also accessible to government agencies, colleges, research centers, communication companies, transportation companies, etc. Here are some articles that will help you succeed in this career:

Frequently Asked Questions

Q1. What is the job description of a data scientist?

A. With the aid of analytical, statistical, and programming talents, data professionals gather vast amounts of data. They are in charge of using data to create solutions specifically tailored to the organization’s demands.

Q2. What are the duties and responsibilities of a Data Scientist?

A. The roles and duties of a data scientist include gathering data from various sources, using machine learning tools to organize the data, processing, cleaning, and validating the data, looking for information and patterns in the data, developing prediction systems, clearly presenting the data, and making recommendations for strategies and solutions.

Q3. What are the skills required for a data scientist?

A. Programming, organizational, communication, mathematics, data analysis, problem-solving, and analytical abilities are just a few skills needed to become a data scientist.

Q4. What qualifications does a data scientist require?

A. A bachelor’s degree is required, but most data scientists hold master’s or doctoral degrees in statistics, mathematics, or data science. Additionally, they enroll in online classes to obtain specialized abilities and equipment that facilitate their work.

avcontentteam 27 Jun, 2023

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