Java Back End Developer

Cognizant; Navi Mumbai; Hybrid; INR 1,800,000 - 3,200,000; Full time

Job summary

Cognizant seeks a Senior Java professional to join a Mumbai-based project team. The candidate should demonstrate deep Java expertise, including core language features, collections, and concurrency, with strong problem-solving and coding discipline.

The role emphasizes Spring MVC with Hibernate, Kafka involvement, and Oracle DB familiarity, plus optional React UI exposure; expected to handle complex backend services in an FTE, on-site in Mumbai with a 4-day work week pattern.

Qualifications

• Strong knowledge of Core Java including String Mutability, Collections, Concurrency and Multi-Threading.
• Analytical problem-solving ability with clear reasoning for chosen solutions.
• Familiarity with Spring MVC and Hibernate; Kafka usage in current stack.
• Oracle DB experience and comfort with database concepts.

Skills

Core Java

String Mutability

Collections Framework

Concurrency & Multi-Threading

Spring MVC

Hibernate

Kafka

React JS

Tools

Oracle

Job description

Role & responsibilities

Must Have:

1. Very Strong in Core Java. Should be able to demonstrate the programming skill to address typical core java-based coding problems Typically String Mutability, Collection Framework, Concurrence & Multi-Threading will be the area of focus
2. Any proposed candidate should demonstrate their problem-solving skill analytically and be able to explain why any solution is implemented than what part
3. The application is Spring MVC application with some usage of Kafka. Microservice & AWS is not being used at least in the current application stack. So, familiarity with Spring MVC along with Hibernate would be helpful for this engagement
4. As data base is Oracle so any proposed profile should be comfortable

Good To have

1. UI work will be primarily in the React JS

Any knowledge on Microservice & Spring boot

Preferred candidate profile

Skill : Java Spring boot microservices + Kafka(All skill mandatory, Should be proficient in coding)

Location : Mumbai.

Level : SA - 5.5 to 9 Years & M 9 to 14 Years.

Notice period : Immediate to 30 Days.

Hire type : FTE

Mode of interview : F2F at Mumbai Airoli on 22 Aug 26

Client Interview Yes.

Work Mode : 4 Days RTO.