How to Learn Java 2021 | What are the skills required to become Java Developer 2021

 In this post you will now what are the skills required to become a java developer 2021 based on their experience. Java has been a leading programming language In IT. It is widely used for developing web applications, enterprise applications, cloud computing applications, Machine learning environment and IoT . Java is most popular choice writing android apps. 

Fresher or Beginner

Core Java

Advanced Java Servlets and JSP(Good to have)

Basic Knowledge Of spring framework

Database Skills like SQL , oracle 

Frontend Tech like HTML,CSS and JS

Basic knowledge on Linux and windows environments

For 1 to 3 Years Experience Java Developer

Core Java

Advanced Java Servlets and JSP

Web framework like Spring and Springboot framework

Hibernate Framework

Database skills: SQL, ORACLE

Micro services

Frontend Tech like HTML, CSS and JS

Web services like SOAP/REST(Intermediately) 

Java Build Tool: Maven, ant

Any web or application server like Tomcat, web logic

• Comfortable with Linux/Unix and Windows environments.

For 3 to 7 Years Experience Java Developer:

Core Java

Advanced Java Servlets and JSP

Web framework like Spring and Springboot framework

Hibernate Framework

Database skills: SQL, ORACLE

Microservices

Front-end Tech like HTML, CSS and JS

Web services like SOAP/REST

Design Patterns 

Java Build Tool: Maven, ant, Gradle 

Any one JS framework( React, angular,JQuery)

JUNIT( Testing framework)

Any application server like weblogic , JBOSS, Tomcat and web sphere

Software methodology like agile

Any automation Testing tool like Selenium

Any Cloud Services Exp like AWS , azure or GCP

Basic Network  related skills.

Comfortable with Linux/Unix and Windows environments.

For 7 to 15 Years  Experience Java Developer:

The above Skills and the following skills:

• Strong Experience with relational databases, SQL, ORACLE . Experience with PostgresSQL 

• Experience working with Docker

• Familiar with security, authentication , authorization (Oauth2.0) technologies

• Comfortable with Linux/Unix and Windows environments.

• Software development and engineering skills on large-scale, mission-critical infrastructure applications is a plus.

• Demonstrated ability to develop tests at the unit and component level for either frontend or backend.

• Exp with Agile SCRUM development methodologies

Experience with SaaS, container development strongly desired.

• Experience with distributed and/or big data systems 

• Experience with concurrency issues in multi-threaded programs

• Experience working with Kubernetes

• Experience working with jenkins

• Should have good debugging skills, project set up etc..

• Project Management skills(nice to have PMP Certification)

• Nice to certifications like OCAJP ,Spring profession certification, aws solution architect, scrum master certification, pmp certification