Logo Fl3xx

Senior Back-end Developer

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Job

  • Level
    Senior
  • Job Field
    Web, Back End
  • Employment Type
    Full Time
  • Contract Type
    Permanent employment
  • Location
    Vienna
  • Working Model
    Full Remote, Hybrid, Onsite
  • Job Summary

    In this role, you implement sophisticated Java-based systems, perform technical requirements analysis, design cloud architectures, and optimize LLM-based workflows within a collaborative team.

    Job Technologies

    Your role in the team

    • We are looking for a Back-end Developer to join our Dev team and contribute to the design of our new software features with our international team!
    • Your job is to implement the systems specifications for our Java-based system with a sophisticated web-GUI, accompanied by mobile apps and various interfaces to external systems.
    • In your job, you can build on a team of professionals who want to benefit from your extensive experience.
    • Your work is focused on the implementation of well defined use cases in close cooperation with the customer and the product manager.
    • Technical requirements analysis, system design, and implementation.
    • Übernehmen Sie die volle Verantwortung für Projekte von der Gestaltung bis zur Implementierung.
    • Write quality code, with no compromises on correctness and deterministic behaviour / failure handling / performance.
    • Web-centric distributed scalable software development in Java.
    • Advocate for product quality within a cross-functional development team.
    • Plenty of space for your own ideas and creations, flat hierarchies, and very short decision-making processes.
    • Explore, create, tune and optimise LLM agentic workflows for engineering deliveries.

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    Our expectations of you

    Qualifications

    • Git, Maven, Spring, Hibernate, Tomcat, ElasticSearch, Redis, PostgreSQL, Gradle, Helidon, Kafka.
    • Deep know-how of high-performance web applications, relational databases, concurrency, distributed systems.
    • Team player leveraging your seniority and background to guide young developers to succeed.
    • You possess very good communication skills and the ability to cross-collaborate with different internal stakeholders.
    • You speak and write English fluently.

    Experience

    • Brilliant Collaborator with 6+ years of development experience in extensive and complex Java projects.
    • Experience with functional programming in Java (libraries like Pragmatica-lite, Vavr, Cyclops or similar). Knowledge of Kotlin or Scala functional programming is a plus.
    • Experience with LLM agentic coding and optimisations for autonomous workflows.

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    What we offer

    • A smart, fun, international, and motivated team to work with.
    • The opportunity to work with an industry-leading platform that powers business aviation operations worldwide.
    • Strong focus on your personal and professional development, with access to the latest tools and technologies.
    • Flexible working arrangements: remote or based in Vienna - we have an office in Vienna waiting for you!
    • A supportive team and an innovative, fast-paced work environment.

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    Topics You Will Work On

    Job Locations

    Map of company locations
    • Location Vienna

      Austria

    About Your Employer

    Fl3xx

    Fl3xx

    The FL3XX platform is the most comprehensive ecosystem of solutions for mobile operations. It includes six tailored core modules (Sales, Ops, Crew, Maintenance, Reporting, and DOCS), as well as the most complete Mobile App Suite available. What's more, its unparalleled set of integrations will help you manage, optimize, and grow your operations like never before.

    Description

  • Language
    English
  • Company Type
    Established Company
  • Working Model
    Full Remote, Hybrid, Onsite
  • Industry
    Aviation, Space Travel, Logistics, Transportation
  • Logo Fl3xx

    Senior Back-end Developer

    Location
    Vienna
    Working Model
    Full Remote, Hybrid, Onsite
    Diversity
    Open for all genders
    English Only
    English only required

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