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Senior Java Software Engineer

icon building Company : Inventyou Ab
icon briefcase Job Type : Full Time
icon remote-alt Remote / Work from Home

Number of Applicants

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000+

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Job Description - Senior Java Software Engineer

We are looking for a Senior Java Software Engineer to join our engineering team and focus on performance optimization and scalability of distributed systems. This is a senior-level position (7+ years), ideal for engineers who can take ownership of backend performance challenges in mission-critical production environments.

Key Responsibilities

  • Optimize and scale distributed applications using Java (8–21+), Spring Boot, and WildFly.
  • Tune JVM performance (GC strategies, profiling).
  • Work on containerized deployments using Kubernetes and Docker.
  • Design RESTful services with strong HTTP knowledge.
  • Manage secure service-to-service communication (OAuth2, OIDC).
  • Optimize Oracle SQL queries, indexes, and performance.
  • Implement observability using Grafana, ELK, and load testing tools (JMeter, Gatling).
  • Maintain high-quality codebases following Clean Code and Clean Architecture principles.
  • Collaborate within agile teams and communicate effectively with stakeholders.
  • 7+ years of experience in software engineering with Java.
  • Strong experience in scalable, high-availability backend systems.
  • Proven expertise in Spring Boot, WildFly, and distributed architecture.
  • Proficiency in Oracle SQL tuning, RabbitMQ, Redis, Git, Maven/Gradle.
  • Familiarity with microservices, event-driven and streaming architectures.
  • Good understanding of Linux systems, scripting, observability, and security patterns.
  • Fluency in both Greek and English (written and spoken).

You will be a great candidate for us if you:

  • Thrive in complex, high-load systems.
  • Are detail-oriented and analytical.
  • Enjoy mentoring and working collaboratively.
  • Are proactive and comfortable in agile setups.

Why join inventYOU

  • Work on challenging high-performance systems.
  • Hybrid model for flexibility.
  • Be part of a mature engineering culture.
  • Access to continuous learning and upskilling support.
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