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ALAlteos GmbH

Senior Software Engineer(m/w/x)

Berlin
Full-timeWith Home OfficeSenior
AI/ML

Building AI-powered features with Claude/Gemini on TypeScript/Node.js backend and React frontend. Hands-on LLM API experience required. Company e-bike leasing, subsidized lunch.

Requirements

  • 5+ years as Software Engineer
  • Very strong TypeScript/JavaScript and Node.js
  • Familiarity with React is a plus
  • Hands-on experience with LLM APIs
  • Familiarity with AI-native development patterns
  • Comfort reasoning about AI reliability and risk
  • Hands-on experience with PostgreSQL, Redis, or DocumentDB
  • Event-driven systems (Kafka or similar) are a bonus
  • Comfort working in AWS environments with Docker
  • Comfort working with CI/CD pipelines
  • Solid understanding of DDD, SOLID principles
  • Solid understanding of modern system design
  • Experience writing unit, integration, and contract tests
  • Experience testing non-deterministic AI components
  • Experience in fintech, insurtech, payments, or banking integrations
  • Genuine curiosity to learn the domain
  • Clear communicator, technical discussion
  • Clear communicator, product conversation
  • Fluent in English
  • German or other languages are a plus
  • Willingness to apply even if not all boxes ticked

Tasks

  • Contribute to Admin Experience team
  • Design and develop secure, well-tested features
  • Work on TypeScript/Node.js backend and React frontend
  • Contribute to API-first infrastructure
  • Build AI-powered features using Claude and Gemini
  • Implement intelligent claims automation
  • Develop LLM-assisted OPS tooling
  • Design agentic workflows
  • Replace manual ops tasks with LLM-orchestrated processes
  • Work across full stack with PostgreSQL, Redis, DocumentDB, Kafka, and AWS
  • Collaborate with Product, Platform Engineering, Finance, and Operations
  • Turn business requirements into reliable solutions
  • Drive technical improvements in quality, performance, and security
  • Ensure compliance with BaFin, DORA, and EU regulations
  • Maintain security and data integrity in AI processes

Work Experience

  • 5 years

Education

  • Bachelor's degreeOR
  • Master's degree

Languages

  • EnglishFluent
  • Germanis a plus

Tools & Technologies

  • TypeScript
  • JavaScript
  • Node.js
  • React
  • Anthropic API
  • OpenAI API
  • Google API
  • PostgreSQL
  • Redis
  • DocumentDB
  • Kafka
  • AWS
  • Docker
  • CI/CD
  • RAG pipelines
  • Agentic orchestration
  • MCP

Benefits

Free or Subsidized Food

  • Subsidized lunch
  • Free lunch once a week

Public Transport Subsidies

  • Discount on BVG ticket

Company Bike

  • Company e-bike leasing

Healthcare & Fitness

  • Urban sports club
  • Weekly yoga classes

Mental Health Support

  • Mental well-being app

Team Events

  • Team events
  • Team runs
Find the original job posting in its most current version here. Nejo automatically captured this job from the website of Alteos GmbH 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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