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LELegalhero

Senior Backend Developer - Kotlin/Java(m/w/x)

Berlin
Full-timeWith Home OfficeSenior
AI/ML

Aufbau und Betrieb skalierbarer Infrastrukturen für AI-Workloads auf einer Legal-Tech-Plattform. Hands-on Erfahrung mit LLM-Integrationen und Vektordatenbanken für RAG-Implementierungen erforderlich. Full coverage Deutschlandticket und hundefreundliches Büro.

Requirements

  • Several years of experience as (Senior) Backend Developer
  • Strong proficiency in Kotlin, Java, or another JVM-based language
  • Solid understanding of modern backend development principles and architectures
  • Hands-on experience with LLM integrations
  • Experience with vector databases for RAG implementations
  • Understanding of prompt engineering, context management, and AI orchestration frameworks
  • Experience with message brokers and queueing systems (plus)
  • Experience with Micronaut, MySQL, AWS, and Kubernetes (advantage)
  • Business-fluent English and good German language skills
  • Openness, courage, and creative, solution-oriented mindset
  • Clear communication and strong stakeholder alignment
  • High sense of ownership and quality awareness
  • Enjoyment of collaborative work in dynamic environments

Tasks

  • Skalierbare Server-Side-Architekturen und Datenbankmodelle implementieren
  • Performante, sichere und wartbare Backend-Services entwickeln
  • API-Design, Versionierung und Lifecycle-Management verantworten
  • Nutzerzentrierte Features gemeinsam mit Frontend-Teams integrieren
  • Skalierbare Infrastrukturen für AI-Workloads aufbauen und betreiben
  • Hohe Softwarequalität durch automatisierte Tests sicherstellen
  • Neue Technologien und Architektur-Trends evaluieren

Work Experience

  • 5 - 7 years

Education

  • Vocational certificationOR
  • Bachelor's degreeOR
  • Master's degree

Languages

  • EnglishBusiness Fluent
  • GermanBusiness Fluent

Tools & Technologies

  • Kotlin
  • Java
  • JVM
  • OpenAI
  • Anthropic
  • Pinecone
  • Weaviate
  • Qdrant
  • LangChain
  • LangGraph
  • RabbitMQ
  • Micronaut
  • MySQL
  • AWS
  • Kubernetes

Benefits

Flexible Working

  • Hybrid setup
  • Flexible Arbeitszeitgestaltung

Public Transport Subsidies

  • Full coverage Deutschlandticket

Informal Culture

  • Dog-friendly office

Corporate Discounts

  • Corporate benefits platform

Retirement Plans

  • Betriebliche Altersvorsorge mit 20% Arbeitgeberanteil

Team Events

  • Regelmäßige Firmen- und Teamevents
  • Nintendo Switch, PS5, Dart & Tischkicker

Snacks & Drinks

  • Freie Getränke
  • Frisches Obst
  • Müsli
Find the original job posting in its most current version here. Nejo automatically captured this job from the website of Legalhero and processed the information on Nejo with the help of AI for you. Despite careful analysis, some information may be incomplete or inaccurate. Please always verify all details in the original posting! Content and copyrights of the original posting belong to the advertising company.

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