Java Developer

Citigroup Inc.; Pune District; Presencial; INR 1.000.000 - 1.500.000; Jornada completa

Descripción de la vacante

Citigroup Inc. in Pune, India is seeking a talented Java Developer to join our core engineering team.

You will design, develop, test, and maintain robust, high-performance enterprise applications, collaborating with product managers, architects, UI/UX designers, and DevOps engineers. You will build scalable Java/J2EE applications and microservices, design RESTful APIs, ensure quality through automated tests, and participate in CI/CD and telemetry practices.

Formación

• 3+ years of Java development experience.
• Strong knowledge of Spring Framework and JPA.
• Experience with relational and NoSQL databases.
• Experience designing RESTful APIs and microservices.
• Familiarity with CI/CD and Docker/Kubernetes is a plus.

Responsabilidades

• Design, develop, test, and maintain Java/J2EE applications and microservices.
• Implement RESTful APIs, SOAP services, and messaging systems.
• Optimize performance, latency, and memory usage.
• Collaborate with product, architecture, UI/UX, and DevOps teams.
• Participate in code reviews and CI/CD processes.

Conocimientos

Core Java

Spring Framework

REST APIs

Databases SQL

NoSQL DBs

ORM Tools

Microservices

Messaging Systems

Maven/Gradle

Git

Educación

Bachelor’s or Master’s in Computer Science/IT

Descripción del empleo

We are seeking a talented and motivatedJava Developerto join our core engineering team. In this role, you will design, develop, test, and maintain robust, high-performance, and scalable enterprise applications. You will collaborate closely with cross-functional teams, including product managers, architects, UI/UX designers, and DevOps engineers, to deliver high-quality software solutions that meet business requirements and technical standards.

2. Key Responsibilities

Software Design & Development

• Design, build, and maintain scalable, reliable, and testable Java/J2EE applications and microservices.
• Write clean, maintainable, efficient, and well-documented code adhering to object-oriented programming (OOP) principles and SOLID design patterns.
• Design and implement RESTful APIs, SOAP services, and event-driven messaging systems.
• Optimize application performance, throughput, latency, and memory utilization.

Architecture & System Integration

• Participate in architectural discussions and system design reviews.
• Integrate backend services with relational (e.g., PostgreSQL, Oracle, MySQL) and NoSQL (e.g., MongoDB, Cassandra, Redis) databases.
• Integrate enterprise systems with message brokers (e.g., Apache Kafka, RabbitMQ, IBM MQ).
• Ensure seamless integration with third‑party APIs and microservice ecosystems.

Testing & Quality Assurance

• Implement comprehensive automated unit and integration tests using frameworks such as JUnit, Mockito, and Testcontainers.
• Participate in peer code reviews to ensure adherence to software engineering standards, security practices, and quality metrics.
• Proactively identify bottlenecks, address bugs, and remediate security vulnerabilities.

DevOps & Deployment

• Collaborate with DevOps teams to design and optimize Continuous Integration and Continuous Deployment (CI/CD) pipelines (e.g., Jenkins, GitLab CI, GitHub Actions).
• Package and deploy containerized applications using Docker and orchestrate them viaKubernetes/OpenShift.
• Monitor application health and system performance using observability tools (e.g., Prometheus, Grafana, ELK Stack, Splunk).

3. Required Qualifications & Skills

Technical Skills

• Core Java & Frameworks:
  • Strong proficiency in Java (Java 11 / 17 / 21) and Core Java concepts (Multithreading, Concurrency, Collections, Generics, Stream API).
  • Hands‑on experience with Spring Framework ecosystem (Spring Boot, Spring MVC, Spring Data JPA, Spring Security, Spring Cloud).
• Database Management & ORM:
  • Solid understanding of relational database design, SQL indexing, and query optimization (PostgreSQL, Oracle, or MySQL).
  • Experience with Object‑Relational Mapping (ORM) tools (Hibernate, JPA, MyBatis).
  • Familiarity with NoSQL databases (MongoDB, DynamoDB, Redis) is a plus.
• Microservices & API Design:
  • Experience designing, securing, and implementing RESTful APIs (OpenAPI/Swagger) and Microservices architecture.
  • Familiarity with API Gateways, Service Discovery, and Circuit Breaker patterns.
• Messaging & Event Streaming:
  • Experience with message queues and event streaming platforms such as Apache Kafka, RabbitMQ, or ActiveMQ.
• Build Tools & Version Control:
  • Experience with build and dependency management tools (Maven, Gradle).
  • Proficiency with Git and modern branching workflows (Gitflow, trunk‑based development).

Professional & Educational Qualifications

• Education:Bachelor’s or Master’s degree in Computer Science, Software Engineering, Information Technology, or equivalent practical experience.
• Experience:3+ years of professional software development experience in Java-based environments (Mid-level) or 5+ years (Senior-level).
• Problem Solving:Strong analytical, problem-solving, and algorithmic thinking capabilities.
• Communication:Excellent verbal and written communication skills with the ability to collaborate effectively across distributed teams.

4. Preferred / Nice‑to‑Have Skills

• Experience with cloud platforms (AWS, Azure, or Google Cloud Platform).
• Hands‑on experience with containerization (Docker) and container orchestration (Kubernetes, OpenShift).
• Knowledge of secure coding practices (OWASP Top 10) and static analysis tools (SonarQube, Checkmarx).
• Familiarity with Agile/Scrum methodologies and tools (Jira, Confluence).
• Knowledge of reactive programming (Project Reactor, RxJava, Spring WebFlux) is an advantage.

Mobile and Web Development experience with Angular, Java & Python is preferred.

Job Family Group:

Technology

Job Family:

Digital Software Engineering

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.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

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