Core Java Developer

Citi; New York (NY); Hybrid; USD 13,000 - 18,000; Full time

Job summary

Citi in Pune, India seeks a Core Java Developer to contribute to design, development, and deployment of applications within our technology team.

You will work on Java, Spring, microservices, NoSQL, and cloud platforms, with a focus on performance tuning and reliable delivery. This full-time, hybrid role requires strong collaboration with cross-functional teams.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related field preferred.
• Experience in Core Java, multithreading, data structures, algorithms, Annotations, Generics
• Dependency Injection using Spring/Guice, AOP, Data/Java Bean validation, in-memory java object caching
• NoSQL DB handling in java specifically MongoDB, XML and document handling in Java, Messaging JMS, ORM in Java (Hibernate/ iBatis etc) , Json – Formats and Parsers, Batch/Scheduling frameworks ( Spring Batch, Quartz ), Unit testing – Junit, jmock/mockito.
• Expertise in design, development, performance tuning, troubleshooting and deployment.
• Hands on knowledge of Linux/unix
• Familiar with standard SDLC and Agile processes, OOAD, UML, TDD, DDD.
• Experience in writing common services/libraries/toolkits that are used by other applications
• Experience in Micro Services, Containers such as Dockers, Cloud platforms like AWS, Google Cloud.

Responsibilities

• Participate in establishment and implementation of new or revised application systems and programs.
• Contribute to applications systems analysis and programming activities.
• Develop and optimize Java-based solutions with a focus on performance and reliability.

Skills

Core Java

Multithreading

Data structures

Algorithms

Annotations

Generics

Spring

Guice

JMS

Hibernate

NoSQL

MongoDB

XML

JSON

Spring Batch

Quartz

JUnit

Mockito

Linux

OOAD

UML

TDD

DDD

Micro Services

Docker

AWS

Google Cloud

Education

Bachelor’s degree in Computer Science, Information Technology, or related field

Tools

Spring Framework

Guice

MongoDB

Hibernate

JMS

Spring Batch

Quartz

JUnit

Mockito

Docker

AWS

Google Cloud

Job description

Core Java Developer

Job Req Id:

25886810

Location(s):

Pune, Maharashtra, India

Job Type:

Hybrid

Posted:

Oct. 09, 2026

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

Job Description

• The Applications Development Intermediate Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities.

Required Qualifications:

• Bachelor’s degree in Computer Science, Information Technology, or related field preferred.
• Experience in Core Java, multithreading, data structures, algorithms, Annotations, Generics
• Dependency Injection using Spring/Google Guice, AOP, Data/Java Bean validation, in-memory java object caching,
• NoSQL DB handling in java specifically MongoDB, XML and document handling in Java, Messaging JMS, ORM in Java (Hibernate/ iBatis etc) , Json – Formats and Parsers, Batch/Scheduling frameworks ( Spring Batch, Quartz ), Unit testing – Junit, jmock/mockito.
• Expertise in design, development, performance tuning, troubleshooting and deployment.

• Hands on knowledge of Linux/unix
• Familiar with standard SDLC and Agile processes, OOAD, UML, TDD, DDD.
• Experience in writing common services/libraries/toolkits that are used by other applications

• Experience in Micro Services, Containers such as Dockers, Cloud platforms like AWS, Google Cloud.
• Ability to prioritize and manage schedules under tight, fixed deadlines
• Ability to produce professional, technically-sound solutions.
• Strong writing, communication, time-management, decision-making, and basic task organization skills.

Work Location:

Pune, India

Job Family Group:

Technology

Job Family:

Applications Development

Time Type:

Full time

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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