What Do Computer Science Do? | The Role of a Computer Scientist

Is computer science worth the stress of studying? What are the job opportunities open to a computer scientist? If these and more are the questions running through your head before you find this article be sure you are in the right place and get ready to be equipped with all you need to know about computer science and its importance.

Now before we get to know what computer science does, let’s define what is computer science.

What is computer science?

Amongst the many definitions of computer science scattered all over the internet, I found this definition by Wikipedia more simplified and helpful: Computer science is the study of computation, information, and automation. It covers both theoretical disciplines like algorithms and applied disciplines such as designing and implementing hardware and software.

A computer scientist is someone who has expert technical knowledge of data utilization and software development.

What are the principal areas of study in computer science?

Computer science is a vast and diverse field that covers a wide range of topics. 

  • Algorithms and data structures: The study of algorithms and data structures is fundamental to computer science. It involves developing efficient algorithms and data structures to solve problems.
  • Computer architecture: Computer architecture is the study of the design of computer systems, including processors, memory, and input/output systems.
  • Programming languages: The study of programming languages involves designing, implementing, and analyzing programming languages and their compilers.
  • Software engineering: Software engineering involves the development and maintenance of large, complex software systems, including software design, testing, and maintenance.
  • Computer networks: The study of computer networks involves the design, implementation, and maintenance of computer networks, including local area networks (LANs) and wide area networks (WANs).
  • Artificial intelligence: Artificial intelligence (AI) involves the development of intelligent machines that can perform tasks that typically require human intelligence, such as language translation, image recognition, and decision-making.
  • Human-computer interaction: Human-computer interaction (HCI) involves the design and development of user interfaces and the study of how humans interact with computers.
  • Databases: The study of databases

How to kick start your computer science career?

Getting a formal education in computer science at a university or college by obtaining a bachelor’s degree in computer science, generally takes four years. You can get started also by:

  • Practicing programming to build your skills and gain experience.
  • Participating in coding challenges, hackathons, or other coding events to build your portfolio and network with other professionals.
  • Seeking out internships or entry-level positions to gain practical experience in the field.
  • Building a professional network by attending industry events and connecting with other computer scientists in your area.
  • Staying up-to-date with the latest technologies and advancements in the field by reading industry publications, attending conferences, and participating in online communities.
  • Consider pursuing graduate studies or obtaining certifications in specific areas of computer science to enhance your skills and credentials.

What are the skills you need as a computer scientist?

It is not enough to be passionate about becoming a computer scientist and like other professions having all the right skill sets required is a huge plus. When starting your career as a computer scientist you must understand what it takes to become an effective computer scientist. It is also interesting to note that Computer scientist skills are a combination of hard skills and soft skills.

Soft skills you need for computer science

In addition to technical or hard skills, computer scientists also need to possess strong soft skills to be successful in their careers. Here are some of the most important soft skills for computer scientists.

  1. Communication skills: The ability to communicate effectively with both technical and non-technical stakeholders is critical for computer scientists.
  2. Collaboration skills: Computer scientists often work in teams, so the ability to work collaboratively and contribute to a team effort is essential.
  3. Problem-solving skills: Computer scientists must have strong problem-solving skills to identify and resolve complex technical issues.
  4. Critical thinking skills: Computer scientists regularly work with complex technology, and they must develop strong critical thinking skills to improve their performance.
  5. Attention to detail: Computer scientists must be detail-oriented to ensure that their work is accurate and free of errors.
  6. Creativity: The ability to think creatively and develop innovative solutions to problems is important for computer scientists.
  7. Adaptability: Computer science is a fast-paced field that is constantly evolving, so computer scientists must be adaptable and willing to learn new skills and technologies.
  8. Time management: Computer scientists often juggle multiple projects and deadlines, so strong time management skills are essential for success. 

Hard skills you need in computer science.

  1. Programming languages: Proficiency in programming languages such as Java, Python, C++, and JavaScript is essential for computer scientists.
  2. Technical writing: Many computer scientists implement technical writing skills in their work. They create technical manuals and document project data for others to interpret.
  3. Data structures and algorithms: Understanding data structures and algorithms is critical for building efficient and scalable software applications.
  4. Operating systems: Familiarity with operating systems such as Linux and Windows is important for computer scientists.
  5. Software development: Experience with software development methodologies such as Agile or Scrum is important for computer scientists.
  6. Database management: Knowledge of database management systems such as MySQL, Oracle, and MongoDB is essential for building and maintaining data-intensive applications.
  7. Computer networking: Understanding computer networking concepts such as TCP/IP, routing, and firewalls is important for computer scientists.
  8. Artificial intelligence and machine learning: Familiarity with artificial intelligence and machine learning tools and techniques is becoming increasingly important for computer scientists in today’s data-driven world.
  9. Mobile application development: Experience with mobile application development frameworks such as React Native, Ionic, or Flutter is important for building mobile apps for iOS and Android platforms.

How to improve computer scientist skills

Starting as a computer scientist might not have all the necessary skill sets but here are the sure ways of having an improve computer scientist skills:

  • Be determined: Identify the skill or skills you need to improve on and intentionally work yourself through them.
  • Get more online resources that specifically target these skill sets: Recourses are very much available in the world today like never before and the most amazing thing is that most of them are free. 
  • Learn to apply what you learn in a real-life event: The theories you learn in your education can help you strengthen your experimentation, problem-solving, and analytical skills when you complete projects at work. 
  • Be open to getting feedback from other people: When you seek feedback, you can get different and valuable perspectives from colleagues or your management.
  • Keep improving your education in computer science: You can get advanced degrees in a more specialized field of computer science can help you advance your skill set. 

What Careers Does Computer Science Offer?

Computer science is so broad and has a lot of titles in a business or company. Apart from being one of the highest-paid jobs today, computer science professionals reportedly have high job satisfaction.

 Check out the list of common job titles for computer scientists:

  • Computer Programmer
  •  Information Technology Specialist
  • Data Scientist
  • Web Optimization Specialist  
  • Database Administrator 
  • Systems Analyst
  • Web Developer
  • Quality Assurance Engineer
  • Business Intelligence Analyst
  • Systems Engineer
  • Product Manager
  • Software Engineer
  • Hardware Engineer
  • Front-End Developer
  • Back-End Developer
  • Full-Stack Developer
  • Mobile Developer
  • Network Administrator
  • Chief Information Officer
  • Security Analyst
  • Video Game Developer
  • Health Information Technician

Job description of a computer scientist

  • Creates new theories around technology development. 
  • Uses technology to solve problems in firms and prepare them for the future.
  •  Writes and develops program software to solve problems. 
  • Provides solutions to computational and maths-related problems and challenges.
  • Works on projects to design, code, test, and install new software.
  • Conducts various research on artificial intelligence, robotics, and virtual reality.
  • Improves the performance of existing computer systems and software.
  • Works on the development of new hardware or computing techniques.

What do computer science do?

Computer science is incredibly important in today’s world, as it has become an integral part of almost every aspect of our lives. Now we will learn what exactly computer science does. Go through the list carefully and understand how important computer science is to us

Better ways of doing things and solving problems

Computer science encourages innovation and creativity in solving complex problems, which can lead to breakthroughs in fields like healthcare, energy, and transportation.

More accessible opportunities

In today’s world, everyone has easy access to a multitude of resources. No matter your nation or who you are, computer science offers an increasing number of opportunities for everybody.

 Education made easy and smartly

Through the internet or computer software, anyone can take an online class, get materials for research works or even earn a full degree. There is no barrier to what one can learn from E-learning platforms and applications.

Communication made fast and easy

The fact that we can communicate with family members, and friends or create new opportunities for friendships and connections with anyone in any part of the continent has made our world a very small place. Better communication is one of the biggest contributions of computer science.

Predictability and fast response to disasters

Through computer science, we have learnt how to respond to disasters better. Although computer science cannot necessarily prevent these events from occurring it can aid the government or agencies in their efforts to solve the problem through knowing the ideal evacuation process to employ and so much more.

Improving lives with automation and AI

Tasks that can pose dangers to humans are handled effectively by robots that have been programmed specially for the job. This has helped keep human lives safe from grievous tasks. Computer science is also responsible for many of the technological advancements we use every day, from smartphones to self-driving cars.

Data Management 

Computer science plays a huge role in data management, which is becoming increasingly important as we collect more and more data every day.


In this blog post, you were able to know what is computer science to a great extent, the soft skills needed and the hard skills as well. Then you saw the job roles of a computer scientist and what they can do.

Getting a degree in Computer science is not very easy but it’s a course that will favor you when you dedicate your time to it just like any other task.


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