Senior Java Developer

The Senior Java Developer 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.

Responsibilities:

- Design, develop, and maintain backend applications and services, implementing enterprise-grade, large-scale data processing pipelines using Java and Spark
- Build and optimize RESTful APIs to support front-end and third-party integrations.
- Implement business logic, data processing, and system integrations.
- Work with both SQL and NoSQL databases to ensure efficient data storage and retrieval.
- Collaborate with front-end developers, product managers, and other stakeholders to deliver high-quality solutions.
- Ensure the performance, scalability, and security of backend systems.
- Identify and resolve technical issues, bottlenecks, and bugs.
- Write clean, maintainable, and well-documented code following best practices.
- Participate in code reviews, unit testing, and system testing to ensure quality deliverables.
- Stay updated with emerging backend technologies and apply them to improve systems.

Qualifications:

- Education: Bachelor's degree in Computer Science, Engineering, or a related field.
- Experience: 7+ years of professional experience in Java backend development.
- Technical Skills:

- Strong proficiency in Java (version 8 or higher) and object-oriented programming.

- Experience with Spring Framework for building enterprise-grade backend applications.

- Expertise in designing and developing RESTful APIs with best practices.

- Proficiency with SQL and big data technologies like Hadoop, Hive, Kafka, or Spark.

- Experience with version control systems like Git.

- Knowledge of build tools such as Maven or Gradle.

- Understanding of Agile/Scrum methodologies.

- Preferred Skills:
- - Familiarity with microservices architecture and design patterns.

- Knowledge of containerization and orchestration technologies such as Docker, Kubernetes or Openshift.

- Familiarity with CI/CD pipelines and tools like Jenkins.

- Experience with database technologies like MySQL, PostgreSQL, MongoDB, or Couchbase.

- Familiarity with security best practices for backend systems and APIs.

- Soft Skills:

- Strong problem-solving and analytical skills.

- Excellent communication and teamwork abilities.

- Ability to manage multiple priorities and work independently

What we can offer you

By joining Citi Dublin, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed) and enjoy a whole host of additional benefits that support you (and your family) to be well, live well and save well. Discover more here.

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energised to join us, motivated to stay, and empowered to thrive.

Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities.

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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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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.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi's EEO Policy Statement and the Know Your Rights poster.

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