Senior Business Architect/Developer - Java & Integration Solutions

X1F GmbH

Job

In this role, you design and develop complex Java applications and integration solutions, analyze existing systems, and optimize development processes using modern technologies and automation.

Job summary

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Job technologies

Your role in the team

  • You are responsible for the comprehensive architecture and implementation of applications. From conception through design to deployment and maintenance, you oversee the entire lifecycle of complex software systems and ensure sustainable, maintainable solutions.
  • Analyze: You thoroughly examine existing application landscapes, including heterogeneous systems, to identify architectural potentials.
  • Conceptualize & Design: You develop and design complex software systems and interfaces, tailored to requirements and release cycles.
  • Aligning: As the interface between business units, IT, and stakeholders, you ensure clear communication and smooth coordination processes.
  • Implement: You independently realize programming requirements within the Java ecosystem and ensure clean, maintainable code.
  • Optimize: You analyze development processes and automate repetitive workflows using modern tools.
  • Integrate: You incorporate new technologies such as CI/CD, event streaming, or cloud solutions into existing systems.
  • Ensure: You are responsible for the utilization of IT infrastructure, APIs, and frameworks such as Spring Boot, JPA, OpenAPI, Docker, Kafka, and REST.
  • Responsible: You will carry, document, and sustainably implement architecture decisions and technical solutions.

Our expectations of you

Education

  • Qualification: Completed university degree in Computer Science, Business Informatics, Natural Sciences, or a comparable qualification.

Qualifications

  • IT Skills: Proficient in handling databases, cloud platforms, build tools, as well as APIs and relevant frameworks.
  • Technology affinity: Enthusiasm for modern technologies, automation, cloud solutions, and event streaming.
  • Language skills: German at least B2, ideally C1.
  • Travel readiness: 1 to 2 days per week on-site with the client in Germany, remote work partially possible.

Experience

  • Experience: Several years of practical experience in application development and the implementation of complex software projects.
  • Specialization: Very good knowledge of programming paradigms (OOP, functional, procedural) and extensive experience in Java and Jakarta EE.
  • Customer orientation: experience in customer contact, independent work, and proactive communication.
  • Optional skills: Experience with mainframe systems and the common tools and languages used there.

What we offer

  • Work & Flexibility: Remote, hybrid, or in-office - with flexible hours. We rely on trust.
  • Benefits & Family: You can use your monthly benefit budget, for example, for Jobrad, Deutschlandticket, EGYM Wellpass, or asset-building benefits. Additionally, employees in Germany can receive up to €250 per child per month as a childcare subsidy.
  • Flexibility & Leisure: 30 vacation days, Christmas and New Year's Eve off. Additionally possible: Workation and Sabbatical.
  • Health & Security: With our company pension scheme and an employer contribution of 25%, we support you in your personal retirement planning.

Benefits

Health, fitness & fun

Work-Life-Integration

Topics you will work on

Job locations

Map of the job locations
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  • Location Hanover
    Niedersachsen, Germany

About your employer

X1F GmbH, based in Munich, is an established German company specializing in consulting and managed services. With over 1,350 employees, it provides digital solutions for regulated markets such as banking and insurance.

Company type
Established Company
Work model
Onsite, Hybrid, Full Remote
Industry
Consulting
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Senior Business Architect/Developer - Java & Integration Solutions

X1F GmbH