How to Become Data Scientist in 2023 [Step-by-Step]

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06th Feb, 2023
How to Become Data Scientist in 2023 [Step-by-Step]

Every business now incorporates data science into their operations, especially those that recognize the value of data and the potential applications of that knowledge. A data scientist's main responsibility is to draw practical conclusions from complicated data so that you may make informed business decisions. This career guide can assist you in taking the first steps toward a rewarding career in data science if you're wondering how to become a data scientist.  

This blog offers a comprehensive explanation of the data skills you must acquire, the top data science online courses, career paths in data science, and how to create a portfolio to become a data scientist. 

What is Data Science?

Data science is a discipline of study that combines subject-matter knowledge, programming abilities, and competence in math and statistics to draw forth important value from data. The information used for analysis can be given in various formats and come from various sources. 

What Does a Data Scientist Do?

Data scientists are specialists who gather, examine and analyze vast amounts of data. A number of traditional technical roles, such as those of a scientist, statistician, computer specialist, and mathematician, have evolved into the position of a data scientist. Keep reading through this article, and you will understand how do you become a data scientist and how long does it take to become a data scientist.  

How to Become a Data Scientist? (A Step-By-Step Guide)

Returning to the question of how to become a good data scientist, the discussion above indicates that there are a few fundamental requirements that must be met. You ought to be hungry for information.

How To Become A Data Scientist

Here are the seven key actions you should take to become a data scientist. These stages will serve as a learning path and help you become a data scientist step by step. 

1. Learn Data Science Fundamentals

Most individuals mistakenly believe that domain knowledge is not crucial to data science. The primary objective of data science is to derive useful insights from the data that can be applied to the business's operations. 

The fundamentals of data science are introduced in this course, along with effective methods for exploring complex data through data visualization and summary statistics. The course covers fundamental computational statistical inference using the three frequentist methodologies: maximum likelihood, bootstrap, and Bayesian.  

2. Sharpen Relevant Skills

The toolkit that empowers data scientists and businesses is changing along with the scope of data science. You can only break into any sector or get past any challenge in your life by improving yourself.  

In data science, continual development is both important and possible. And to become a top-notch data scientist, one must develop a wide range of skills. There are several Data Science course subjects that can help you build your skills. The road to becoming a great data scientist must be efficient, based on real-world requirements, and have a justifiable length of time. 

You need to sharpen your skills relevant to data science, such as - 

  • Programming language 
  • Flexibility 
  • Data Management 
  • Visualization 

3. Learn Key Programming Languages For Data Science

There are many programming languages out there that were created for different purposes. Some offer great productivity and performance to process significant amounts of data, making them better suitable for data science. Hence, below are the key programming languages needed for Data Science. 

  • Python 
  • SQL 
  • Java 
  • Julia 
  • Scala 
  • C/C++ 
  • JavaScript 
  • Swift 
  • Go 
  • SAS 

4. Develop Critical Thinking And Decision-Making Capabilities

When dealing with data interpretations, it's important to analyze the problems at hand objectively before coming to a conclusion. In data science, critical thinking entails considering the data source, all potential solutions to an issue, and maintaining an ongoing curiosity. Good decision-making is essential for businesses and institutions to operate effectively and overcome unforeseen challenges.  

5. Develop Visualizations And Practice Presenting Them

To make data easier for the human brain to grasp and draw conclusions, data visualization puts information into a visual context, like a map or graph. Its major objective is to make it simpler. 

6. Develop Knowledge Of Data Scientist Tools

These tools include A plotting library: To create rapid, simple, and accurate visualizations. A mathematical library is useful for computations that are just a bit complex for your programming language. Your data is stored in a library: for your models to easily and quickly load, interact with, and receive data from. 

7. Engage in data science projects to hone your real-world data skills

It has become essential to standing out from the competition and get hired by a top organization by showcasing the necessary Data Science skills. The projects are helpful in this situation. The majority of the topics covered in the Data Science Bootcamp review are useful for developing abilities, and End-to-end projects expose you to a real-world working environment as well. 

  • Kaggle 

Data scientists and machine learning enthusiasts can connect online at Kaggle. Users of Kaggle can work together, access and share datasets, use notebooks with GPU integration, and compete with other data scientists to solve data science problems

  • Tableau Or Power BI  

Power BI can only manage a small amount of data, but Tableau can handle a large volume with greater performance. Power BI is used by novice and experienced users, whereas analysts and experienced users primarily prefer Tableau for their analytical needs. 

  • Other Resources  

Select a programming language in which you feel most at ease. However, the language of choice ought to be one of the popular ones, like Python, R, or Scala. Additionally, confirm that the dataset you are utilizing is error-free. 

8. Create a portfolio to showcase your expertise in data science

A data science portfolio demonstrates your best work and data science skills. Have a strong portfolio if you're unsure how to become a data science engineer. It ought to have your code, documentation, plus a few written illustrations of your data communication expertise.  

9. Raise Your Online Profile

Use fresh datasets and build data analysis or machine learning models to be active on the platform. Ask for assistance, take part in discussions, and learn from professionals. To publish a new dataset, use web scraping.  

10. Apply To Relevant Data Scientist Jobs

Data science is a vast field with various uses and distinctive responsibilities. It's crucial to thoroughly investigate the position and the field you'll be working in before applying for jobs. If you are wondering how to become a full-stack data scientist, it's also critical to think about the qualifications that businesses need in a data scientist.  

11. Prepare For Data Science Interviews

It makes no difference if you are brand-new to data science or have prior experience. During a job interview, anyone could feel anxious. While it is impossible to foresee your interview questions or determine what to expect from the interviewer.  

12. Get An Entry-level Data Job

Massive volumes of data are examined, analyzed, and collected by a beginning data scientist. In this role, your responsibilities will include data extraction and processing to spot patterns and trends, technological data analysis, and the creation of a machine-learning algorithm or prediction model. 

Data Analyst vs Data Scientist: What's the Difference?

A data analyst examines already-existing data, whereas a data scientist develops novel techniques for gathering and analyzing data that analysts can use. If you are interested in numbers, statistics, and computer programming, this career path can be a good fit. 

Data scientists are accountable for these duties as well as a wide range of others. It is assumed that some people who begin with uncertainty about how to become data scientists from scratch and learn the necessary skills go on to become experts who are able to use cutting-edge analytics tools to examine big data and have the training required to develop novel algorithms to address specific problems. 

They could also be asked to explore data without trying to solve any particular issue. In that case, they must comprehend the information and the company well enough to come up with queries and provide information to business executives to enhance corporate operations, goods or services, or client relationships. 

Data Scientist Salary and Job Growth

The average yearly wage for a data scientist is Rs. 698,412. Data scientists with one to four years of experience may expect to make an average income of Rs. 610,811. Data scientists' employment is expected to increase by 36% between 2021 and 2031, which is substantially faster than the average for all occupations. Over the next ten years, there are expected to be, on average, 13,500 job openings for data scientists. 

Is It Possible to Work as a Data Scientist Without a Degree?

Data Science Specializations  

Thus, the response is YES! Data scientists are now employable without a formal education. You only need to follow these five simple steps from DataFlair to start your career as a data scientist without a master's degree. 

Data professionals are in great demand. According to the US Bureau of Labor Statistics (BLS), from 2020 to 2030, the employment of statisticians is predicted to increase by 33% and that of data scientists and mathematical scientists by 31%. That is a lot faster than the 8 percent average growth rate for all jobs. 

Earn a Data Science Degree to Stand Out in the Data Scientist Crowd

One of the most crucial things that interviewers look for is practical experience, and almost all applicants will have at least some real-time knowledge. Therefore, you must get domain-focused practical experience to stand out in a crowd. 

One of the talents you'll need to master to improve your chances of being chosen is effective communication. Even if you are an expert with data, you will not be able to operate effectively if you are unable to explain to the company's managers what the data means or how it works. 


With more applications in more sectors, data science has a bright future with countless prospects. In addition to artificial intelligence and machine learning, data science will aid businesses in making higher-level judgments that are more informed. Furthermore, KnowledgeHut's Data Science Course subjects can assist you with developing the appropriate skill set if you're considering how to become a certified data scientist.


Amit Pathak


Amit is an experienced Software Engineer, specialising in Data Science and Operations Research. In the past five years, he has worked in different domains including full stack development, GUI programming, and machine learning. In addition to his work, Amit has a keen interest in learning about the latest technologies and trends in the field of Artificial Intelligence and Machine Learning.

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How to Become a Data Scientist FAQs

1Can I become a data scientist with no experience?

Yes. Anyone can become a data scientist with no experience, but one needs to possess the right skills.

2Is it easy to become a data scientist?

Being a data scientist can place you on the cutting edge of new technological advancements while also being academically challenging and analytically satisfying.Being a data scientist can place you on the cutting edge of new technological advancements while also being academically challenging and analytically satisfying. 

3What is the length of training to become a data scientist?

A person who has never coded before and/or has no mathematics training often needs to put in 7 to 12 months of intense study to become a good data scientist. 

4I don't have a degree. Can I become a data scientist?

Despite the widespread misconception that you need a degree in computer science or a doctorate to work as a data scientist, analysis of job postings has shown that this is simply inaccurate, with the vast majority of employment not requiring such credentials.