Java Backend Engineer

Discover your future at Citi

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Job Overview

About the Role

We are seeking a highly skilled Java Developer with strong expertise in building scalable, secure, and high‑performance backend systems. You will work closely with architects, leads, DevOps, QA, and business teams to deliver modern microservices‑based solutions using Java, Spring Boot, Kafka, containers, and multiple databases. 

Key Responsibilities

• Design, develop, and maintain Java/Spring Boot applications and RESTful microservices. 

• Build scalable backend components with strong focus on performance, reliability, and clean architecture. 

• Develop and optimize APIs, backend logic, and integrations with internal/external systems. 

• Work with Oracle, MongoDB, MSSQL databases;  

• Containerize and deploy applications using Docker and Kubernetes. 

• Write clean, testable, well‑documented code and perform code reviews to maintain coding standards. 

• Develop automated unit/integration tests using JUnit and REST testing frameworks. 

• Troubleshoot and resolve issues across development, testing, and production environments. 

• Collaborate with cross‑functional teams and participate in Agile ceremonies throughout the SDLC. 

• Continuously improve application performance, development processes, and automation maturity. 

Qualifications:

• 5+ years relevant experience in Design, development, testing and deployment of high quality code

• 3+ years’ experience and expertise in Core Java (Java 8+), OOPs, collections, concurrency, and multithreading. 

• 3+ years of hands‑on experience with Spring Boot, REST services, microservices architecture. 

• 3+ years’ experience with Database skills: Oracle, MongoDB, MSSQL

• Good to have Messaging systems: Kafka (producers, consumers, topics, streaming). 

• Experience with Docker, Kubernetes, and containerized deployments. 

• Strong knowledge of JSON, XML, serialization, annotations, caching, and distributed computing concepts. 

• Experience with Git/Bitbucket/GitHub, Maven/Gradle, CI/CD pipelines. 

Education:

Bachelor’s degree/University degree in Computer Engineering, Computer Science, Information systems or equivalent experience

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Primary Location Full Time Salary Range:

$94,300.00 - $141,500.00

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

Back-End Development, Java, Spring Boot, Structured Query Language (SQL).

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Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

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This job opening is for an existing job vacancy.

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