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Senior Java Backend Developer (w/m/d) - hybrid Job Opening In Berlin – Now Hiring eClear


Job description

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Deine Rolle

Architektur.

Verantwortung.

Impact.

Als Senior Java Backend Developer bei eClear entwickelst du skalierbare, verlässliche Services, die echten Mehrwert schaffen für unsere Produkte, unsere Kund:innen und unsere Zukunft als Technologieunternehmen.

Du bist von Anfang bis Ende verantwortlich für deine Lösungen und bringst dein Know-how dort ein, wo es zählt: im Herzen unserer Plattform.

Dabei wirst du zunehmend auch an der Schnittstelle zu innovativen Technologien wie AI-Agents arbeiten – mit Fokus auf Large Language Models (LLMs), Autonomie und intelligenter Entscheidungsfindung.

Deine Rolle:
  • Du entwickelst skalierbare, verteilte Backend-Services mit Fokus auf Performance, Qualität und Erweiterbarkeit
  • Du übernimmst Verantwortung für den gesamten Entwicklungszyklus: von der Konzeption über Implementierung, Test und Dokumentation bis zum Livebetrieb
  • Du analysierst und löst Fehlerursachen schnell, fundiert und nachhaltig
  • Du arbeitest eng mit dem interdisziplinären Produktteam zusammen – mit direktem Einfluss auf Funktion und Nutzererlebnis
  • Du gestaltest aktiv unsere Tech- und Teamkultur mit: durch Code-Reviews, Wissensaustausch, Refactorings und Ideen für bessere Prozesse
  • Du konzipierst und implementierst AI-Agents durch den Einsatz von LLMs, Planungsalgorithmen und Entscheidungsframeworks
  • Du entwickelst Architekturen, die Autonomie, Interaktivität und zielgerichtete Aufgabenbearbeitung ermöglichen
  • Du integrierst AI-Agents in bestehende Anwendungen, APIs oder Workflows – z.

    B.

    als Chatbots, Copilots oder Automatisierungstools
  • Dein Profil

    Was du mitbringst:
  • Ein abgeschlossenes Studium in Informatik, Wirtschaftsinformatik oder eine vergleichbare Qualifikation
  • Mindestens 5 Jahre Erfahrung in der Entwicklung moderner Java-Backends mit Java 17/21, Spring Boot (3.x) und Microservices-Architekturen
  • Tiefe Kenntnisse in reaktiver Programmierung mit Spring WebFlux & Project Reactor
  • Praxis mit Cloud-Services (AWS) wie ECS, Lambda, RDS, SQS und Erfahrung mit Kubernetes
  • Sicherer Umgang mit PostgreSQL und Performance-Optimierung für hochfrequentierte Systeme
  • Erfahrung mit Event-Driven Architecture (Kafka, RabbitMQ, SNS/SQS) und API-First-Designs (OpenAPI/Swagger)
  • Routine im Einsatz von Docker, CI/CD-Pipelines (GitLab, ArgoCD) und moderner DevOps-Toolchain
  • Leidenschaft für sauberen, wartbaren Code – idealerweise mit Erfahrung in TDD, DDD oder hexagonaler Architektur
  • Verständnis von agent-based modelling, multi-agent systems oder reinforcement learning
  • Erfahrung im Umgang mit LLMs oder generativen KI-Modellen in realen Anwendungen
  • Selbstständige und strukturierte Arbeitsweise in experimentellen, dynamischen Umgebungen
  • Eine teamorientierte, lösungsfokussierte Haltung – du arbeitest gerne gemeinsam an anspruchsvollen Zielen
  • Du bist regelmäßig im Berliner Büro präsent (hybrides Modell) und arbeitest gerne eng mit Kolleg:innen vor Ort zusammen
  • Deine Sprachkenntnisse: Deutsch (C1) und Englisch (C1) – du fühlst dich im internationalen Austausch sicher
  • Warum wir?

    Was dich bei eClear erwartet:
  • Vertrauen und Verantwortung: Du gestaltest, wir geben dir Raum
  • Hybrides Arbeiten mit flexiblen Modellen und klaren Strukturen
  • Ein agiles, professionelles Team mit echter Hands-on-Mentalität
  • Flache Hierarchien, kurze Entscheidungswege und ein Büro mit Wohlfühlfaktor im Herzen Berlins
  • Eine Unternehmenskultur, die Menschlichkeit und Exzellenz verbindet – Technik mit Haltung
  • jobs@

    Bei eClear werden alle qualifizierten Bewerbungen gleichermaßen berücksichtigt, unabhängig von Geschlecht, Herkunft, Religion, Alter, sexueller Orientierung, Behinderung oder anderen persönlichen Merkmalen.

    Required Skill Profession

    Computer Occupations


    • Job Details

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    Are You Looking for Senior Java Backend Developer (w/m/d) hybrid Job?

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    The Work Culture

    An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at eClear adheres to the cultural norms as outlined by Expertini.

    The fundamental ethical values are:

    1. Independence

    2. Loyalty

    3. Impartiapty

    4. Integrity

    5. Accountabipty

    6. Respect for human rights

    7. Obeying Germany laws and regulations

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    eClear interview tips for Senior Java Backend Developer (w/m/d)   hybrid

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    Before the Interview:

    Research: Learn about the eClear's mission, values, products, and the specific job requirements and get further information about

    Other Openings

    Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

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    Turn Off Phone: Avoid distractions during the interview.

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