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THThe Flex

Senior Software Engineer(m/w/x)

Wien
Full-timeRemoteSenior
AI/ML

Building scalable core services for property tech, managing booking/payment systems, and deploying cloud-native AWS infrastructure. Production systems experience with Node.js, React, and AWS required. High impact on operations, with significant autonomy.

Requirements

  • Experience building production systems with Node.js, React, and AWS
  • Understanding of distributed systems and API-first design
  • Experience with Python or FastAPI (bonus)
  • Track record of shipping clean, maintainable, scalable code
  • Ownership of features from design to production
  • Curiosity about automation, AI-driven operations, and proptech
  • Bias toward execution and continuous improvement

Tasks

  • Develop and maintain scalable core services
  • Manage bookings, payments, and pricing systems
  • Design clean APIs for internal and external integration
  • Build event-driven workflows to automate manual processes
  • Deploy and operate cloud-native AWS infrastructure
  • Ensure system reliability, security, and performance
  • Synchronize real-time booking and pricing intelligence
  • Develop keyless access logic and AI-powered alerts
  • Create live operational dashboards
  • Translate complex requirements into simple technical systems

Work Experience

  • approx. 4 - 6 years

Education

  • Bachelor's degreeOR
  • Master's degree

Languages

  • EnglishBusiness Fluent

Tools & Technologies

  • Node.js
  • React
  • AWS
  • Python
  • FastAPI

Benefits

Other Benefits

  • Visible impact on operations

Informal Culture

  • Autonomy and trust

Startup Environment

  • Fast growth environment

Bonuses & Incentives

  • Performance-based rewards

Competitive Pay

  • Competitive compensation

Flexible Working

  • Remote-first work
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