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TATaktile

Senior Full-Stack Engineer - Team Optimize(m/w/x)

Berlin
Full-timeWith Home OfficeSenior
AI/ML
Data Science

Building Python-based backend components for automated decisioning software at a fraud detection and credit expansion platform. 7+ years backend engineering experience with large-scale data performance required. Top-of-market equity and cash compensation.

Requirements

  • 7+ years of backend engineering experience
  • Experience building customer-facing platforms
  • Comfort with large-scale data performance
  • Industry experience with Python or Java
  • Experience with AWS and serverless architectures
  • Fluent written and spoken English
  • Interest in AI-driven automation and tools
  • Experience with Iceberg, Athena, or Spark
  • Experience with React and TypeScript
  • Experience building experimentation or evaluation systems
  • Exposure to risk or financial domains

Tasks

  • Build and own Python-based backend components
  • Design complex subsystems for large-scale decision data
  • Maintain well-structured APIs using FastAPI
  • Review pull requests to ensure high code quality
  • Contribute to architectural decisions and CI/CD improvements
  • Collaborate with Product and Solutions teams
  • Translate business problems into scalable technical solutions
  • Participate in planning sessions and technical deep dives
  • Manage systems processing millions of daily decisions
  • Execute large-scale experiments over billions of historical records

Work Experience

  • 7 years

Education

  • Bachelor's degreeOR
  • Master's degree

Languages

  • EnglishBusiness Fluent

Tools & Technologies

  • Python
  • Java
  • AWS
  • Apache Iceberg
  • Athena
  • Spark
  • React
  • TypeScript

Benefits

Competitive Pay

  • Top-of-market equity
  • Top-of-market cash compensation

Informal Culture

  • Supportive and collaborative colleagues
  • Flat hierarchy

Startup Environment

  • Direct communication with founders
  • Access to investor network

Mentorship & Coaching

  • Experienced mentors

Additional Allowances

  • Self-development budget

Modern Equipment

  • New Apple MacBook Pro
  • Home office set-up
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