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Data Science

Data scientist job role and description

A data scientist is a professional who uses statistics and programming skills to solve business problems. They use many tools, including machine learning, artificial intelligence, and data mining, to find patterns in data. They also know databases and software engineering principles.

Roles and responsibilities of a data scientist

Data scientists work in various industries, but they often work with big data. That means the dataset they are working with is large enough that it cannot be processed by one computer at once. In this case, they may use cloud computing to access computing resources from multiple machines at once.

Data scientists’ role is also to help companies make decisions based on the analysis of data. For example, businesses can use this information to decide which products to make or how much inventory should be ordered for each product line during the holiday season so as not to run out of stock on key items like wrapping paper or gift cards too early in December when stores sell out quickly due to high demand for gifts for birthdays and other personal events like anniversaries or retirements that occur around Christmas time each year.

The data scientist’s job description can vary significantly depending on the company, industry, and specific needs. For example, if you are working as a data scientist in retail, your responsibilities will be different than if you work in healthcare or consulting.

However, there are some key areas that most data scientists will be involved in:

  • Developing predictive models and algorithms that can identify trends and patterns in the data.
  • Building tools to make sense of large amounts of data. This could include building dashboards or creating reports that help users understand what they’re dealing with.
  • Communicating results to stakeholders and ensuring that everyone understands how their work contributes to the whole project (or transformation).

What are the qualifications and skills necessary for a data scientist?

Data scientists must have a bachelor’s or master’s degree in computer science, statistics or mathematics from an accredited university. They may also need to complete a postgraduate data science certificate or an online R programming course. The best candidates will have taken classes on machine learning and artificial intelligence (AI) too. Candidates who have worked as programmers or analysts are also suitable for different data scientist roles.

Necessary qualifications for a data scientist
A bachelor’s degree in computer science, statistics, mathematics, or a related field.
Knowledge of programming languages such as Python, C++ and R.
Strong problem-solving skills and the ability to work under pressure in a deadline-driven environment.
Ability to analyse large amounts of data and draw conclusions from it, as well as communicate your findings to non-technical audiences intuitively.

ALSO READ: Who should opt for an M.Sc. in Data Science?

Want to achieve these with the minimum effort? Join the Online Manipal degree course for the best results.

What does the career growth of a data scientist look like?

A data scientist’s job description is a journey with many twists and turns. In this section, we will look at a Data Scientist’s career growth.

Data Scientists are hired to analyse data and find insights. Data Science is a hot field, and the demand for skilled professionals is growing rapidly. The job opportunities for Data Scientists are huge, with many companies offering lucrative salaries and perks to attract talents.

The average Data Scientist’s salary is USD 114,000 per year, according to Glassdoor.com. However, this number can vary based on experience level, seniority and location of the job seeker. For example, Senior Data Scientists’ salary scales up to USD 130,000 per year, according to Glassdoor.

READ MORE: Rising demand for data science in India

A day in a data scientist’s life

A typical day in the life of a Data Scientist job role might consist of:

  • 10:00 am – Meet with team members to discuss project goals and deadlines. E.g., learning the latest and best practices in data science and machine learning, working on challenging problems, such as how to predict the future of the stock market, how to make recommendations for customers, or how to help doctors diagnose diseases. Working with other scientists to collect and analyse data and developing new skills by working with senior scientists.
  • 10:30 am – Spend time reading and browsing through data sets, preparing for the day’s projects. Reviewing data from previous projects or researching new techniques for solving problems in their field of expertise (e.g., machine learning)
  • 11:00 am – Begin working on project #1! This could be anything from building a model to test potential new products, implementing an algorithm into an existing system, or developing an entire programme from scratch. Writing code using various programming languages like Python, R, SQL, Hadoop MapReduce, Spark MLlib, Tableau (Visualisation), and Excel (Visualisation).
  • 3:00 pm – Work on project #2! Maybe this is building on top of what you did yesterday? Or maybe it is something completely different! Either way, you’ll probably need help from other team members during this project.
  • 5:00 pm – Wrap up all your work for the day by writing code tests and documenting all your work so far.

It varies from time to time and role to role. If you’re in a big project, you cannot work on two projects in a day. In fact, it may take days to complete.

How long does it take to learn data science from starting?

Data science is a broad term that encompasses many different disciplines, including statistics, programming, machine learning and artificial intelligence.

It takes time to become an expert in data science. If you’re just starting in the field, here’s how long it will take to learn all the basics:

The first important thing to understand is choosing your tools. Many different tools are available for data scientists/analysts to use when working with data sets. Some of these include Python and RStudio, as well as other programming languages like C++ or Java (to name just a few). These tools allow you to manipulate data to be analysed, visualised and shared with others for them to understand what conclusions were made from it.

You’ll also need basic statistics knowledge so you can understand how these tools work or whether they’re appropriate for your needs! In addition to this knowledge (which will help you make sense of any results from your experiments or studies), many other skills need development, such as critical thinking, creativity; problem-solving skills; communication skills; collaboration, etc.

It is important to understand that there’s no set timeline for learning. Some people can pick up the basics quickly and dive into more complex topics, while others may need a bit more time. It can take a few days to several weeks (or even months) of study and practice before you feel ready to take on more difficult material. You’ll know when you’ve reached that point when your homework assignments start feeling easier, and you’re able to ask questions in class without feeling intimidated by other students’ knowledge levels.

What are the skills that every data scientist must have?

When you’re looking for a job as a data scientist, there’s a lot to consider. What kind of work is available? What skills do I need to have? How can I get those skills?

  • Programming

We’ve got answers if you’re wondering what skills are necessary for this type of work. Let’s start with the most obvious one: programming. The ability to write code is essential for any data scientist—it gives us the tools we need to collect and analyse data from all different sources and platforms. If you don’t know how to code or your coding skills are rusty, now is the time to brush up.

You also need to learn how to use R, Python, and SQL tools. For example, if you want to be able to build a machine learning model with your team, you need to know how to use the right algorithms. And if you want to do data science in production at an organisation or company, then you need to know how to write code that can be deployed on a server.

  • Analytics

Another important skill is maths. You don’t need a Ph.D. in statistics or calculus for this kind of work—just enough knowledge so that you can understand what other people are saying when they talk about concepts like statistics or calculus! 

  • Data wrangling

Data wrangling is an important skill that allows you to take unstructured data and make it usable for analysis. This could mean anything from finding relevant websites on the internet through web scraping techniques or writing SQL queries to extract information from databases like Postgres or MySQL (or even Excel spreadsheets).

  • Machine Learning

Machine learning is all about using algorithms to make predictions based on past events (or other historical data). A good example would be predicting what someone will buy next based on past purchases/transactions; machine learning allows us to make these predictions with great accuracy by training our models on historical data and testing them against new incoming information.

  • Communication 

Finally, communication! Data scientists’ jobs require them to communicate their findings effectively with clients, managers and other employees who may not have technical backgrounds.

Wrapping up 

The data scientist role has seen a growing demand in recent times. Their work is geared towards identifying patterns and uncovering insights while delivering them promptly using proven techniques and tools. Enterprises are already in the process of re-engineering their processes to accommodate this position. As a result, most Data Scientists are promoted to a managerial role with greater responsibility.

The Data Scientist job role plays a key part in creating analytical models for non-experts; it is among the most sought-after positions in the analytics area, among all other roles. Data scientists come up with many ways to take raw data and turn it into something useful. Their work can be divided into three main facets: statistical analysis, programming, and communication. The wide varieties of analytical expertise make them effective at performing various tasks regarding data modelling, data mining, predictive models and much more.
Want to have the best career as a data scientist? Have a quick look at online M.Sc. in Data Science at Online Manipal for better results in your professional life.

Key takeaways:

  • Data scientists make sense of data, glean information from it, and turn it into valuable insights.
  • Many quantitative and qualitative research methods are used by businesses today to understand customers better, but none is as powerful as the analysis based on real data.
  • Data scientists have a lot of tasks to handle. These include extracting data from databases, making inferences, developing algorithms, and performing statistical analyses.


Information related to companies and external organizations is based on secondary research or the opinion of individual authors and must not be interpreted as the official information shared by the concerned organization.

Additionally, information like fee, eligibility, scholarships, finance options etc. on offerings and programs listed on Online Manipal may change as per the discretion of respective universities so please refer to the respective program page for latest information. Any information provided in blogs is not binding and cannot be taken as final.

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  • data science
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  • online education in India
  • Online MSC Data Science

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