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Java Developer

https://www.randstad.com Logo

Randstad

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Location:
Greece , Athens

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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:

Are you a seasoned Java expert with a passion for architecting high-performance backend systems? Do you enjoy mentoring talented engineers and driving technical excellence within a global, enterprise-level environment? We are representing one of the world’s leading insurance and financial services groups, a global powerhouse known for its stability and forward-thinking digital strategy. As a Senior Java Developer, you will play a pivotal role in their Athens-based engineering hub, leading the design of scalable backend solutions and shaping the architecture of mission-critical services that impact millions of users.

Job Responsibility:

  • Lead the design and implementation of robust backend services and system integrations using Java and Spring Boot
  • Architect and maintain high-quality REST APIs, ensuring reliability, scalability, versioning, and advanced error-handling
  • Drive technical excellence by reviewing and optimizing existing applications to improve performance, maintainability, and resiliency
  • Collaborate with Solution Architects to influence system design and lead modernization initiatives, including legacy migrations and new framework introductions
  • Mentor and guide junior and mid-level developers, enforcing engineering standards through rigorous code reviews and best practices
  • Ensure system reliability by designing automated tests (unit, integration, component-level) and leading incident resolution/troubleshooting
  • Work closely with DevOps to enhance CI/CD pipelines, observability, and deployment practices within a cloud-native environment

Requirements:

  • 3+ years as a Java Software Engineer
  • Expertise in the Spring ecosystem (Spring Boot, Spring MVC, Data, Security, Cloud)
  • Strong experience in Enterprise Architecture, SOLID principles, design patterns, and Clean Code
  • Deep knowledge of Relational Databases, SQL tuning, and ORM frameworks (JPA/Hibernate)
  • Familiarity with Microservices, distributed systems, and messaging technologies (Kafka or RabbitMQ)
  • Experience with Containers (Docker) and modern Cloud platforms (Azure, AWS, or GCP)
  • Proven leadership skills, with the ability to manage complex tasks independently and act as a technical reference for the team
  • Excellent command of both Greek and English
  • Advanced proficiency in Java (8+), including deep knowledge of streams, concurrency, and functional programming

Additional Information:

Job Posted:
April 11, 2026

Expiration:
May 03, 2026

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