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Backend Engineer – Java/Spring Boot

OTE S.A. (Hellenic Telekom) · Marousi

🇬🇧 English
Java Spring Boot RESTful APIs Microservices Distributed systems Event-driven architecture Docker Kubernetes Helm CI/CD pipelines SQL NoSQL Observability

Job description

About the role

As a Backend Engineer you will design, build and evolve large‑scale, mission‑critical backend platforms that serve a broad customer base and support complex business processes. You will work in a modern engineering environment that leverages microservices, distributed systems, event‑driven architecture and cloud‑native technologies.

Key responsibilities

  • Own the full lifecycle of backend services, from analysis and design through implementation, testing, deployment, monitoring and production support.
  • Design, develop and maintain scalable Java/Spring Boot services and RESTful APIs.
  • Contribute to system architecture, technical strategy and architectural decisions in a microservices‑based environment.
  • Implement resilient, high‑throughput solutions using relational and NoSQL data stores.
  • Work with asynchronous communication, messaging and event‑driven patterns.
  • Build reusable components, libraries and engineering practices for long‑term platform evolution.
  • Implement automated unit, integration and end‑to‑end testing to ensure software quality.
  • Operate in containerised, cloud‑native environments using Docker, Kubernetes, Helm and CI/CD pipelines.
  • Enhance observability through logging, metrics, tracing and dashboards.
  • Participate in technical discussions, architecture reviews, design sessions and code reviews.
  • Mentor and support fellow engineers during onboarding and knowledge sharing.

Required profile

  • Strong technical depth with ownership mindset.
  • Sound architectural judgment and delivery responsibility.
  • Collaborative attitude and ability to work across multidisciplinary teams.

Required skills

  • Java
  • Spring Boot
  • RESTful API design
  • Microservices architecture
  • Distributed systems
  • Event‑driven architecture
  • Docker
  • Kubernetes
  • Helm
  • CI/CD pipelines
  • Relational databases (SQL)
  • NoSQL databases
  • Asynchronous messaging systems
  • Automated testing (unit, integration, end‑to‑end)
  • Observability tools (logging, metrics, tracing)

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Published 1 week ago

Expires 1 month from now

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OTE S.A. (Hellenic Telekom)

Marousi