Top 8 Tech Skills in demand can fulfill Your High Paying Job Resolution

Gyansetu Team Data Science

IT industry is growing day by day with new technology coming.

Gone are the day when IT was all about programming. Nowadays the new technologies have taken control over everything.

Technologies like Big Data, Machine Learning, Cloud Computing are growing and are coming in huge demand. With this, we have gathered the top 8 in-demand technologies that are going to fulfill the job resolution for 2021. Choose the best technology you like and start learning today itself.

1) Big Data – Hadoop, Spark

Hadoop and Spark are two different frameworks for big data.

Hadoop is a mixture of HDFS (Storage) as well as MapReduce (Programming Paradigm). It is a combination of all the open-source software utilities that can run the network and solve all the big massive problems which have lots of involvement of data and computation.

While the second technology is Apache Spark, which is a framework similar to Hadoop which provides you with a number of connected platforms and systems for any type of big data project. Spark can compute 100 times faster than Hadoop but fails to have its own distributed storage system

Who should learn Hadoop and Spark?

Hadoop and Spark are two different frameworks and anyone who wants to work with Big data should learn both of them. Although, both of these have their own pros and cons people often confuse with learning Hadoop or spark.

Must Visit:- BigData Hadoop Tutorial for Beginners

What to learn?

Hadoop: In Hadoop, first of all, you need to understand the basics of the Hadoop framework. Below are some topics you need to learn in Hadoop

  • HDFS and MapReduce
  • Hadoop Streaming
  • Analytics using Pig and Hive
  • Machine learning Concepts
  • Filtering with Apache Mahout.

Spark: There are various topics you need to learn in Spark which includes

  • Spark Streaming
  • GraphX
  • MLIB
  • API Languages (R, Java, Python)
  • Analytics

Learn Big Data Hadoop

Applications of Big Data

  • E-commerce industry: The biggest growing E-commerce industry uses Hadoop and Spark or a similar framework to process the Big
  • Finance industry: There are millions of customers in this industry. To analyze and work on customer profiles Big data frameworks are used.

Job Market in 2021

The industry has huge needs for Big data experts who can work with the best skills in 2021. Big Data Engineer, Data scientist are the various post which will be demanding in 2021.

#2 DevOps, Docker, Jenkins

DevOps is a Lifecycle used to automate Application Development Process to Cloud Server or on-premise Application Server. DevOps pipeline comprises of CI/CD pipeline.

DevOps cycle consists of various tools like Repository Tool

  • Grit, SVN, CVS, Mercury
  • CI tools – Jenkins, Bamboo, Team City
  • CD Tools – Ansible, Salt Stack, Puppet, Chef
  • Application Server – Cloud Server, On-Premise App Server/ Web Server.

Monolithic Architecture is an old traditional web-based Architecture used for application development. Example:

  • Web Application
  • Python
  • Django

monolithic architecture in devops

Microservices Architecture / Distributed Architecture is the latest cluster of various small applications for fast data processing & for ease of application development. Example:

  • Big Data Application
  • AI Applications
  • ML Pipelines

microservice architecture in devops

Docker is a container-based tool that is used to create Docker images.

Who should learn this?

Software developers, Architects, Operational support, IT manager, or anyone who is in a similar post should learn these technologies.

Learn DevOps

What to learn?

Below are some topics you can start with to master these technologies,

  • Ecosystem
  • Understand, Build and Test Automation
  • Kubernetes Lifecycle
  • The usage of Docker
  • Master Puppet
  • Monitoring and Management using Nagios and its components.


  • To automate application deployment (manual deployment is no more required)

Job Market in 2021

The technologies have been featured as the best jobs. Even the engineers of these technologies can make $150,000 minimum. These technologies have worldwide opportunities.

#3 Data Analytics using Machine Learning

We all know that Machine learning, Data Sciences, and Data analytics is the future. There companies like Cambridge Analytica, and other data analysis companies who not only help businesses predict future growth and generate revenue but also find the application in other fields like survey, product launch, elections, and whatnot.

Must Read:- What is Machine Learning

What Skills are required to become Data Scientist?

Some key skills that you’d need:

  • Deep knowledge of Python, R programming, Scala, SAS.
  • Knowledge of databases like SQL.
  • Good knowledge in the field of Mathematics and statistics.
  • Understanding of analytical functions.
  • Knowledge and experience in machine learning.

Who should learn this?

Anyone who is interested in analyzing big data by machines should learn this technology. You need to provide a lot of data to the system to make it learn and improve automatically.

Learn Machine Learning 

What to learn?

machine Learning type

Supervised Machine Learning

Regression and Classification

  • Simple Linear Regression
  • Polynomial Regression
  • Multi Linear Regression
  • SVR Decision Tree Regression
  • Random Forest Regression
  • Regression – Linear, Ridge, Lasso
  • Classification – Logistic

Unsupervised Machine Learning

  • Clustering
  • k-means
  • k-NN

Support Vector Machine

  • Naïve Bayes
  • Decision Tree
  • Random Forest
  • Neural Networks

Applications of Machine Learning

  • Virtual Personal Assistants: Siri, Alexa, and Google Assistance use machine learning
  • Videos Surveillance: Face recognition and for various other things, Machine Learning can be used.

Job Market of Machine Learning

Machine learning has come to a trend by the end of 2018 and it will increase more by 2021. It will be one of the most competitive fields and one can earn a lot as a Machine learning Engineer.

#4 Python Programming

Python is a general-purpose easy to learn programming language. It is used in many things such as Artificial Intelligence, Security, Automation, Big data, and many more. The usage is increasing day by day and by this Python Programming is gaining more and more popularity.

python job trends

Who should learn this?

Python has many uses. So people who want a simple easy to learn scripting language should start learning it.

 Learn Python Programming

What to learn?

You should learn python topics on the basis of what you want to do in the future. Python is a huge programming language and has a scope in various fields. To begin with, you can start with the basics of a programming language such as Printing, loop, functions, array, file management, exception handling, Object-Oriented Programming and then you should go on with the topic you are interested in.

Applications of Python

Python has applications in the various field, below given are some of the fields where python is being used

  • Artificial Intelligence
  • Security
  • Machine Learning
  • Data Science
  • Scripting and Automation
  • Many more

Job Market of Python Programming

Python jobs are increasing day by day due to their many applications. Almost in all the field python programming is useful. The average salary is around $116,000 per year. It will increase in the upcoming years.

#5 Robotic Process Automation (RPA)

Robot Process Automation is another best technology that is trending in the coming years. It is a set of tasks entered programmatically or using Graphical Interface which is done on automation. Various queries and commands are entered as per the input is given.

Must Read:- What is RPA  

Who should learn this?

Anyone who wants to learn Automation using bots to perform the various task should learn this technology. RPA will not be disappearing anytime soon. People with or without programming language knowledge can learn RPA.

What to learn?

You need to have knowledge of various tools used in RPA. The tools are:

  • Blue Prism
  • Automation Anywhere
  • UI Path

You need to learn the full overview, Activities, Integration, Commands, and learn about the automation Process in various tools.

Applications of RPA

Sales: CRM and SCM use automation to perform their sales and marketing.

Customer Service: Various customer services are provided using RPA

Financial Service: There is various tasks such as doing KYC, and many other where automation is used.

Job Market in 2021

Job for RPA is increasing rapidly as more and more people are going towards Automation. Typically the average salary of RPA will start from 110,000 dollars per year.

#6 Salesforce CRM

Salesforce is the number one customer relationship management (CRM) tool. It is a cloud-based CRM used for marketing and sales. It does not require any IT expert to set up and manages. It is easy to use CRM.

why salesforce

Who should learn this?

People want to know more about CRM. People who are interested in knowing more about customer relationship management, sales, marketing, and services should learn Salesforce CRM.

Learn Salesforce 

What to learn?

  • (SFDC)
  • SFDC Modules
  • SFDC Security Models
  • SFDC Configuration and advanced configuration.

Applications of Salesforce

  • Customer Relationship Management
  • Sales
  • Marketing
  • Services

Job Market of Salesforce CRM

Every company is now opting for CRM. It gives the business a proper resource to manage their relationship with the customer. There was a time when the salesforce market decreased but now it has been increasing again and will raise.

#7 AWS Cloud

AWS stands for Amazon web services. It is owned by Amazon. It provides simple, reliable, scalable, and inexpensive cloud computing services. To provide internet-based services one can utilize AWS.

what is AWS

Must Read:- Why AWS Cloud is Best for Your Career

Who should learn this?

AWS is a cloud-based platform. It is suitable for people who want to explore cloud technology.

What to learn?

You can first get started by learning about services provided by AWS by going to Amazon website. You can then start with

  • Cloud Computing Deployment Models
  • Cloud Delivery models
  • Linux basics
  • AWS Services such as Amazon Elastic Compute Cloud (EC2), Amazon Simple Storage Service (S3), Elastic Block Storage (EBS), Elastic Load Balancing (ELB) etc

After this, you can continue to go deep in the service you are interested in.

Learn AWS

Applications of AWS

  • Database
  • Server
  • Public Cloud
  • Virtual Private Cloud (VPC)

Job Market in 2021

With AWS certification, you can get various jobs such as Cloud Architect, Cloud Developer, Engineer, Key Account Manager, and many more.  AWS will be a demanding job as long as the internet is alive. People are shifting to cloud storage. More and more people want to host their application using AWS and hence this is all time demanding job.

#8 Selenium Automation Testing

Selenium Automation testing is a technology developed especially to test web-based applications and various other GUI Tools. It is a tool to automatically test applications and websites by saving time, human resources and it will surely have no errors.

Selenium testing tool

Who should learn this?

People who want to go with Website testing and software testing should definitely learn Selenium Automation Testing. The manual testing will soon disappear and everything will be done using automation.

Learn Selenium Automation Testing

What to learn?

Below are some topics you should consider learning,

  • Selenium RC
  • Selenium IDE functions and all of its commands
  • SIKULI, JUnit, TestNG Plugin
  • Object Repository and Maven
  • Selenium WebDriver
  • Use Selenium Grid for software testing

Applications of Selenium

  • Website testing
  • GUI tool testing

Job Market in 2021

The tool is free to use and people now prefer something that costs less. Therefore, incoming all the people who still use manual testing will turn towards automation testing, and hence there will be a huge demand. The average salary was $72,734 last year and will increase in the coming years.

Gyansetu Team

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