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JOJournee Technologies GmbH

Senior Product Engineer(m/w/x)

Berlin
Full-timeWith Home OfficeSenior
AI/ML

Building lifelike digital experiences with TypeScript, React, Node.js, and Python for AI systems. 8+ years software development and mandatory startup experience required. 28 days vacation, annual mental health day, €900 education budget.

Requirements

  • 8+ years software development experience
  • Mandatory startup experience
  • Strong full-stack development skills
  • Proficiency in Python and AI systems
  • Enthusiasm for UI/UX and product design
  • Rigor in complex system design
  • Professional fluency in English
  • Experience with WebRTC and WebSockets
  • Performance optimization for low latency systems
  • Experience with IaC and AWS
  • Background in developer tools or AI

Tasks

  • Own features from concept to production
  • Design UI/UX and product logic
  • Architect web infrastructure using TypeScript and React
  • Build responsive applications with Node.js
  • Develop Python backends for AI systems
  • Maintain agentic and conversational AI flows
  • Design scalable backend system architectures
  • Drive technical and architectural decisions
  • Collaborate with founders and designers
  • Shape the product roadmap and strategy

Work Experience

  • 8 years

Education

  • Bachelor's degreeOR
  • Master's degree

Languages

  • EnglishBusiness Fluent

Tools & Technologies

  • React
  • TypeScript
  • Node.js
  • Python
  • WebRTC
  • WebSockets
  • IaC
  • AWS CDK
  • AWS

Benefits

Purpose-Driven Work

  • High degree of autonomy

Flexible Working

  • Remote-first culture

Mental Health Support

  • Annual mental health day

Additional Allowances

  • €900 annual education budget

Modern Equipment

  • Home office equipment
Find the original job posting in its most current version here. Nejo automatically captured this job from the website of Journee Technologies 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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