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Senior Java Developer

  • Remote
    • Berlin, Berlin, Germany
    • Aachen, Nordrhein-Westfalen, Germany
    • Augsburg, Bayern, Germany
    • Bad Homburg, Hessen, Germany
    • Dresden, Sachsen, Germany
    • Koln, Nordrhein-Westfalen, Germany
    • Kiel, Schleswig-Holstein, Germany
    • Potsdam, Brandenburg, Germany
    • Wien, Wien, Austria
    • Krakow, Podlaskie, Poland
    • Poland, Mazowieckie, Poland
    • Porto, Lisboa, Portugal
    • Paris, Île-de-France, France
    • Copenhagen, Hovedstaden, Denmark
    • Riga, Rīga, Latvia
    • Vilnius, Vilniaus apskritis, Lithuania
    • Rome, Lazio, Italy
    • Baden-Baden, Baden-Württemberg, Germany
    • Barcelona, Catalunya [Cataluña], Spain
    • Luxembourg, Luxembourg, Belgium
    • Bernau, Brandenburg, Germany
    • Bucuresti, București, Romania
    • Budapest, Budapest, Hungary
    • Darmstadt, Hessen, Germany
    • Dresden, Sachsen, Germany
    • Düsseldorf, Rheinland-Pfalz, Germany
    • Essen, Nordrhein-Westfalen, Germany
    • Frankfurt, Hessen, Germany
    • Hannover, Niedersachsen, Germany
    • Hamburg, Hamburg, Germany
    • Leverkusen , Nordrhein-Westfalen, Germany
    • Munich, Bayern, Germany
    • Münster, Nordrhein-Westfalen, Germany
    • Stuttgart, Baden-Württemberg, Germany
    +33 more
  • Engineering

Job description

At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking a Senior Java Developer to join one of our clients' teams with 6 months contract with possibility to extend. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you.

Job requirements

🔧 Java Development:

  • Design, develop, test, and maintain scalable Java-based backend applications.

  • Write clean, efficient, and well-documented code using Java 11+ and Spring Boot.

  • Design and implement RESTful APIs and microservices architectures.

  • Optimize performance and ensure high availability of backend components.

  • Conduct code reviews, unit testing, and integration testing.

  • Troubleshoot and resolve complex technical issues across environments.

☁️ Cloud & Infrastructure (AWS):

  • Participate in AWS infrastructure optimization and implementation:

    • Centralized monitoring via CloudWatch alarms

    • Multi-account structure setup via AWS Organizations

    • Security hardening (IAM policies, SSM Secure Strings)

    • Deployment pipelines using AWS CDK and Infrastructure as Code (IaC)

    • Cost-efficiency strategies including Aurora Serverless, rightsizing, and savings plans

  • Work closely with DevOps/Cloud teams to ensure smooth CI/CD processes.

👥 Team Collaboration & Coordination:

  • Coordinate and communicate regularly with German-speaking stakeholders (C1 German required).

  • Collaborate with offshore team members in Vietnam (English B2+ required).

  • Take initiative in planning, prioritizing, and delegating development tasks.

  • Provide technical mentorship to junior developers as needed.

Requirements:

  • 8+ years of commercial experience with Java

  • Strong expertise with Spring/Spring Boot, JPA/Hibernate, REST APIs

  • Solid background in cloud-native development with AWS

  • Experience with CI/CD, Git, and modern DevOps workflows

  • German – C1 level (mandatory)

  • English – B2 level (for internal collaboration)

  • Strong communication, organizational, and team leadership skills

  • Experience working in agile/Scrum environments

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