Mid Java Developer

Link Group • Java • TypeScript • JavaScript • 2 months ago
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Salary
≈ $48k – $83k per year (Estimated)
Location
Remote/Hybrid (Warsaw, Poland)
Seniority
Middle · 3+ years exp
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Link Group

Link Group is a Poland-based IT services and consulting company that builds tech teams, provides managed services, and delivers software and cloud solutions. It is headquartered in Warsaw and was founded in 2016.
linkgroup.co • HQ: Warsaw, Poland • Blockchain & Crypto • Cybersecurity • Information Technology • 51-200 employees • Est. 2016

Mid Java Developer

We are looking for a Mid Java Developer (3-5 years of experience) to design and build scalable, high-performance backend services and APIs within a modern tech environment.

Requirements:

  • Experience: 3-5 years of commercial backend development with strong proficiency in Java and Spring Boot.
  • Tech Stack:
    • Backend: Java 21+, Spring Boot, PostgreSQL, Kafka, OpenAPI, Vault
    • DevOps & Cloud: Kubernetes (IBM Cloud), Docker, Terraform, GitLab CI/Jenkins, Maven
  • Core Skills: Relational databases, RESTful API design/documentation, event-driven architecture, and SCRUM methodology.
  • Nice to Have:
    • Basic familiarity with Angular to collaborate effectively with frontend teams.
    • Cloud experience (IBM Cloud/AWS/Azure) or interest/experience in AI/LLM integration.
    • Financial services background or experience in distributed global teams.

Responsibilities:

  • Backend & API Development: Design and build scalable microservices and RESTful APIs using Java 21+ and Spring Boot.
  • Data & Messaging: Manage seamless data flows using relational databases (PostgreSQL) and event-driven architecture (Kafka).
  • Quality & Testing: Write clean, maintainable code backed by comprehensive unit and integration tests, and conduct peer code reviews.
  • Delivery & DevOps: Engage in the full SCRUM lifecycle and contribute to the evolution of local CI/CD pipelines and cloud-native infrastructure.
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