Mid Java Developer

Link Group • Java • TypeScript • JavaScript • 15 days ago
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Salary
$54k – $76k per year
Location
In office (Warsaw)
Seniority
Middle · 3+ years exp
Employment
Full-Time
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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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