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Core Java Developer

LinkTag Verified employer

Contract
Experience
3–5 years
Location
Mumbai
Work mode
Not stated
Salary
₹10L – ₹25L a year estimatetypical for IT Jobs in India, 838 posts
Posted 13 years ago Last checked 17 hr ago

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Role at a glance

Experience
3–5 years
Must-have skills
JavaXML

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Job description

Location: Mumbai, , India
Department: Information Technology

Job Description

Job Location

Mumbai

Mode

CTH (Initial 6 months contract)

Notice Period

15-20 Days

Years of Experience

3-5 Yrs

Job Description

Should be aware of the following concepts of Core Java.1) Fundamental concepts (JVM, Java environment, primitive types, references, pass by value, packages, imports, static import, JAR concepts, command line arguments, system properties, assignments, expressions, operators, exception handling)2) Declarations, Initializations and Scoping3) Flow Control - Usage of for loop, switch, if, while, enhanced for;4) API Contents of String related classes, Object, Wrapper classes, Autoboxing, File Streams, Serialization, Dates, Numbers, Currency, Parsing, Tokenizing, Formatting5) Concurrency Concepts6) Object oriented concepts (Class, Methods, Access specifies, Inheritance, Abstract classes, Interfaces), Inner Classes7) Collection Framework and Generics8) Assertions9) Enums, Variable Argument Lists10) Annotations11) Regular Expressions12) Reflection13) Networking (URL, URI, Sockets, Datagrams)14) JNI15) Java Logging Framework16) Internationalization. Additionally should have the awareness of the following concepts.17) RMI18) XML(DOM and SAX)19) Preferences API20) JDBC21) Java Security22) Java Beans23) Java Web Start24) Java Mail25) JNDI26) JMX27) Should be having good hands-on experience with at least one of the IDEslike Eclipse, NetBeans, JBuilder, JDeveloper, IntelliJ to build, debug an application. Should be having good hands-on experience with at least one static analysis tool like PMD, Findbugs, JTest. Should know to install, configure rules. Should be able to fix the errors reported through thestatic analyzer tool. Should be having good hands-on experience withat least one optimizer tool like JProbe, OptimizeIt. Should be having good hands-on experience with at least one profiling tool like J Profile

Qualifications

Additional Information

Company Description

Company Description:

LinkTag is a dynamic firm, where all of us here have a single motivation to succeed and our success is defined by our clients, making that as our ultimate objective. We extend our services to hiring resources on staffing basis- fulltime, contracting and consulting and/or working on fixed price proposals for deployment of teams. These technical and skilled teams are flexible to work from any locations – your clients, or ours. We also help you fulfill your needs at other global locations as well.

Key skills

Required

JavaXML

Job market insights

137active Java jobs in Mumbai
15active XML jobs in Mumbai
₹10L – ₹25L advertised yearly salary for IT Jobs in India (middle half of 838 posts that show a salary; median ₹17L)
120 more open jobs at LinkTag

Most IT Jobs posts in Mumbai ask for 3–6 years of experience (47% of 614 that say).

Hiring most for IT Jobs in Mumbai

  • JPMorgan Chase72 open jobs
  • BNP Paribas India Solutions32 open jobs
  • Necsws24 open jobs

Jobs asking for Java in Mumbai also ask for

  • CI/CD42%
  • Python39%
  • Spring Boot39%
  • Agile39%
  • Microservices36%

From live job posts on CoreHRx, updated 13 Nov 2026. Skill figures count posts that list their skills; salary figures only posts that show a salary.

Questions about this job

What is the salary for this Core Java Developer job?

The post does not state the pay. As an estimate, comparable posts on CoreHRx advertise ₹10L – ₹25L a year (typical for IT Jobs in India, 838 posts).

How much experience does this job need?

The post asks for 3–5 Yrs experience.

Where is this job based?

In Mumbai.

What kind of job is this?

It is a contract job.

This guide is for Indian job seekers preparing for Java backend roles, from freshers facing campus and first-job interviews to experienced developers moving into senior positions at product companies and IT services firms. It covers what interviewers ask most in 2025 and 2026 on Java 17 and 21 and Spring Boot 3: OOP, collections, equals and hashCode, streams, exceptions, concurrency and JVM memory, then dependency injection, auto-configuration, REST controllers, validation, JPA and Hibernate, security, microservices and testing. Questions are grouped as easy, medium and hard. Read each answer, compile the code yourself and practise explaining it aloud.

Questions you may be asked

  1. What are the four pillars of OOP, with a Java example of each?
  2. What is the difference between an abstract class and an interface in Java?
  3. What is the difference between method overloading and method overriding?
  4. What is the difference between == and equals() in Java?

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