Senior Java Microservices Developer, Citi

Senior Java Microservices Developer

Citi

Location:

United Kingdom, Belfast

Category:

IT - Software Development

Contract Type:

Not provided

Salary:

Not provided

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Job Description:

We are looking for a highly skilled and hands-on Java developer to build Spring Boot based Microservices with deployment on Private (OpenShift) cloud or Hybrid Cloud (GCP/AWS). You will play a critical role in designing, developing, and maintaining scalable, high-quality software solutions while ensuring best-in-class engineering standards, including trunk-based development, test automation, security, and modern ways of working.

Job Responsibility:

Design, develop, and maintain robust, scalable, and high-performance applications
Implement trunk-based development practices to enable continuous integration and rapid delivery
Develop clean, maintainable, and testable code following SOLID principles and software design best practices
Ensure high levels of unit test coverage, test-driven development (TDD), and behavior-driven development (BDD)
Actively contribute to hands-on coding, code reviews, and refactoring to maintain high engineering standards
Drive the adoption of modern engineering ways of working, including Agile, DevOps, and CI/CD
Advocate for automated testing, infrastructure as code, and continuous monitoring to enhance software reliability
Apply Behavior-Driven Development (BDD), Test-Driven Development (TDD), and unit testing to ensure code quality and functionality
Conduct thorough code reviews, ensuring adherence to best practices in readability, performance, and security
Implement and enforce secure coding practices, performing vulnerability assessments and ensuring compliance with security standards
Collaborate effectively in agile environments, embracing DevOps principles and fostering a culture of continuous delivery and improvement
Partner with architects, product owners, and cross-functional teams to design scalable and distributed systems
Mentor junior engineers and foster a culture of engineering excellence and continuous learning
Collaborate closely with DevOps teams to optimize deployments, observability, and production resilience
Lead technical discussions, contribute to design documentation, and provide guidance on modern software architectures

Requirements:

Strong hands-on experience in coding (Java, Python, or any modern programming language)
Experience with SpringBoot and messaging services like Kafka
Deep expertise in system design and microservices architecture
Experience with trunk-based development, feature flags, and progressive delivery strategies
Proficiency in TDD, BDD, and automation-first mindset to ensure high test coverage and reliability
Strong understanding of CI/CD pipelines, and DevOps practices
Experience conducting code reviews, vulnerability assessments, and secure coding
Familiarity with modern cloud-native technologies (AWS, Kubernetes, Docker)
Excellent problem-solving skills and ability to work in fast-paced, agile environments
Strong communication and collaboration skills

Nice to have:

Experience with Reactive programming, Mongo DB, Elastic
Knowledge of performance tuning, observability, and production monitoring
Familiarity with Agile frameworks and modern ways of working in product development

Additional Information:

Job Posted:

March 21, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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