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Software Engineer, Java

Upstream

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Location:
Greece , Gerakas, Attica

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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 an enthusiastic Software Engineer, Java, to join our Software Development team in Athens, Greece. You will be part of a very competent team that works on mission – critical applications, contributing to all phases of the development process. You will be responsible for Java application development, supporting business objectives while providing expertise in the full software development lifecycle, from concept and design to testing.

Job Responsibility:

  • Develop on high-volume, low-latency applications for mission-critical systems, delivering high-availability and performance
  • Write well-designed, testable, efficient software modules
  • Ensure designs comply with specifications and that specifications cover all needed aspects of the implementation
  • Create/review design documentation and provide feedback on test plans

Requirements:

  • BSc/MSc in Computer Science, Software Engineering or equivalent
  • 3+ years of full time professional experience in designing and developing applications using the Java ecosystem
  • Solid background in Object Oriented Analysis and Design
  • Experience with popular Java frameworks and technologies such as Spring Framework, JPA/Hibernate, JEE
  • Good knowledge of SQL and RDBMS concepts
  • Experience with HTTP APIs
  • Basic understanding of concurrency concepts
  • Working knowledge of Maven, Git and CI/CD principles

Nice to have:

  • Asynchronous messaging technologies, such as RabbitMQ, Kafka
  • Horizontally scalable, distributed, microservices architectures
  • NoSQL databases such as Redis, Elasticsearch
  • Caching technologies, such as Hazelcast, EhCache
What we offer:
  • competitive base salary and benefits
  • working closely with a dynamic, smart, agile and highly motivated team in a competitive and fast paced environment

Additional Information:

Job Posted:
January 30, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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