Multithread Java Developer

3 days ago


Budapest BU Hungary BlackBelt Technology Full time €40,000 - €80,000 per year
Munkaköri leírás

About is  

We are looking for a skilled Multithreaded Java Developer to join our dynamic team. If you are passionate about building high-performance, concurrent systems and have solid experience with multithreaded programming in Java, we want to hear from you
As a Java Developer in our team, you will be responsible for designing and developing robust, scalable, and thread-safe server-side applications that operate in distributed environments.

This role requires a hybrid working model, with 3 days per week working from our office in Budapest.

Munkaköri követelmények

Key Responsibilities 

  • Developing and maintaining multithreaded, Java-based backend systems – this will be the core focus of your technical work

  • Designing and optimizing complex, distributed system architectures

  • Managing a codebase of approximately 2 million lines, including extending it with new features

  • Using CI/CD pipelines, Terraform, and Kubernetes as part of our deployment processes

  • Proposing technical improvements, analyzing issues, and contributing to architectural decisions

  • Mentoring junior team members and helping raise the technical bar across the team

  • Collaborating with a global, diverse development team in an agile environmen

What will you need 

  • Strong Java expertise, with a focus on multithreading and concurrent programming

  • Experience in designing and optimizing distributed systems

  • Familiarity with DevOps tools and practices, including CI/CD, Terraform, and Kubernetes

  • Solid understanding of both relational (e.g., PostgreSQL, Oracle) and NoSQL databases

  • A responsible mindset, strong communication skills, and openness to knowledge sharing

  • System-level thinking and a solid foundation in software engineering best practices

Why should you join

BlackBelt team - You can join a cool and professional team, where everyone has a BlackBelt in technology;
Development - We are supporting your growth with trainings and certifications;
Diversity - You can switch between projects and Delivery Units;
WOW - We are supporting our colleague's health and well-being with WOW (Wellbeing Office Way) program;
Support - We are a caring organisation, if you face difficulties you can always count on us.

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