Senior Java Developer

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

We are seeking a highly skilled and experiencedSenior Java Developerto join our technology team. In this role, you will be responsible for designing, developing, and maintaining high-performance, scalable, and secure enterprise-grade applications. You will collaborate closely with cross-functional teams, including product managers, architects, and QA engineers, to deliver robust software solutions that align with our business objectives.

As a senior member of the team, you will also mentor junior developers, drive engineering best practices, and contribute to architectural and design decisions.

Key Responsibilities

• Software Development:Design, code, test, and deploy high-quality, scalable, and secure Java-based applications and microservices.
• Architecture & Design:Participate in architectural discussions, design system components, and ensure the technical feasibility of system designs.
• Code Quality & Best Practices:Conduct code reviews, enforce coding standards, and implement automated testing (unit, integration, and performance testing).
• Performance Optimization:Identify bottlenecks, troubleshoot production issues, and optimize application performance, latency, and resource utilization.
• CI/CD & DevOps:Build and maintain robust CI/CD pipelines for automated deployment, configuration management, and monitoring.
• Collaboration:Work closely with product owners to understand requirements, define technical specifications, and estimate development effort.
• Mentorship:Guide and mentor junior and mid-level developers, fostering a culture of continuous learning and technical excellence.

Technical Requirements

Core Java & Frameworks

• Java Expertise:Strong proficiency in Java (version 11/17/21) with a deep understanding of core concepts like multi-threading, concurrency, memory management, and JVM tuning.
• Spring Ecosystem:Extensive experience with Spring Boot, Spring MVC, Spring Security, Spring Data, and Spring Cloud.
• Microservices Architecture:Proven experience designing and implementing RESTful APIs and microservices-based architectures.

Database & Integration

• Relational Databases:Strong SQL skills and experience with databases such as PostgreSQL, Oracle, or MySQL.
• NoSQL Databases:Familiarity with NoSQL databases like MongoDB, Cassandra, or Redis is highly desirable.
• Messaging & Integration:Experience with message brokers and event-streaming platforms such as Apache Kafka, RabbitMQ, or ActiveMQ.

Soft Skills & Leadership

• Problem-Solving:Excellent analytical and debugging skills with a proactive approach to resolving complex technical challenges.
• Communication:Strong verbal and written communication skills, with the ability to explain technical concepts to non-technical stakeholders.
• Leadership:Demonstrated ability to lead small teams, take ownership of deliverables, and drive projects to completion.
• Agile Mindset:Experience working in Agile/Scrum development environments.

Qualifications & Experience

• Education:Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field.
• Experience: 5+ years of professional software development experience

Java & Spring: Extensive hands-on experience with Java, Spring Framework, and Spring Boot.

Microservices:Proven experience in designing and building microservices-based architectures.

Messaging Systems: Strong experience with Kafka implementation for building event-driven systems.

Containerization: Good knowledge of container technologies, with specific experience in ECS.

Database:Strong proficiency in PL/SQL for database development and optimization.

Agile Methodologies: Solid experience working in and practicing Agile development methodologies.

Preferred Qualifications:

AI and Prompt Engineering:Wide exposure to and practical experience with smart AI tools and the ability to craft optimized prompts.

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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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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

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

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