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Senior Java Microservices Developer

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Citi

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Location:
United Kingdom, Belfast

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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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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