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Simon Frey

Simon Frey

CTO & Site Reliability Engineer

[email protected] LinkedIn Munich, Germany
Languages: German (native) English (fluent) Spanish (basic)

Site Reliability Engineer and infrastructure specialist with 5+ years of hands-on Go expertise and proven leadership experience managing cloud infrastructure teams. I excel at transforming complex, fragmented infrastructure into streamlined, maintainable systems. Deep expertise in Google Cloud, Kubernetes, Docker, and CI/CD pipelines.

Availability: Fulltime from Feb 2026 Timezone: CEST ยฑ3h Remote: 5+ years experience

Some previous Freelance Clients

Nextaim

Nextaim

Sep 2024 - March 2025

Strategic tech partner for AI automation and digital transformation of medium-sized companies

WetterOnline

WetterOnline

March 2025 - Feb 2026

Germany's leading weather service since 1997, serving millions with forecasts, apps, and data services

Conceptboard

Conceptboard

Jun 2025 - Jan 2026

Secure, GDPR-compliant collaborative whiteboard for enterprises and public administration

Programming
Go JavaScript/TS SQL
Infrastructure
Kubernetes & Docker Terraform CI/CD GCP AWS & Azure
Tools
React Node.js & Electron

AI-Enhanced Workflow

I use AI coding assistants and automation tools daily to write, review, and ship code faster โ€” delivering more value per hour for every engagement.

Of course, you decide โ€” AI-assisted work is always optional and only used if you're comfortable with it.

Experience

PyleHound

Co-Founder

PyleHound April 2025 - Present

AI for German legal professionals (ยง203 & BRAO compliant)

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  • Building AI-Associate for lawyers - find critical information in documents within seconds
  • Query documents naturally: "Show me all contract penalties in the purchase agreement" - get instant answers with source citations
  • Data stays securely in Germany
beansandbytes

CTO

beansandbytes May 2024 - Dec 2025

AI consulting and implementation for enterprises

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  • Helping companies without billion-dollar budgets benefit from AI developments
  • Monitoring all AI field developments and evaluating their maturity
  • Delivering monthly industry reports, workshops, and individual consulting
  • Building internal AI knowledge and confidence for implementation
JustWatch

Head of Infrastructure

JustWatch Aug 2022 - Sep 2023

Led infrastructure for 50M+ active users

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  • Team Leadership: Led two teams (4 remote SREs + 3 on-site IT experts) for 50M users
  • Core Infrastructure Management: Design, maintenance, optimization
  • Strategic Provider Negotiations: Multi-million dollar Google Cloud deal
  • Collaboration with Senior Leadership: CTO/VP Engineering strategic plans
  • Technical Oversight: Kubernetes, Terraform, Golang
  • Incident Management: Critical responses, reports to leadership
  • Organizational Communication: Quarterly company presentations
JustWatch

Site Reliability Engineer

JustWatch Feb 2021 - Aug 2022

Kubernetes operations and cloud migration

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  • Kubernetes and Scylla Cluster Management: Deployment, monitoring, operation
  • Data Warehouse Migration: AWS to Google Cloud
  • Incident Response Optimization: Structured aftercare for continuous learning
  • 20% Performance Enhancement: Multi-level caching strategy for Google Core Web Vitals
JustWatch

Junior Site Reliability Engineer

JustWatch Apr 2020 - Feb 2021

Deployment automation and performance optimization

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  • Automated Deployment: Jsonnet & ArgoCD tools
  • Legacy Service Refactoring: 200% response time improvement
Programmfabrik

Golang Developer

Programmfabrik Jun 2017 - Dec 2019

Backend development for digital archives (Working Student)

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  • High-Performance Media Conversion Pipeline: For museums
  • Scalable Backend Solutions: Image databases (JPG2000)
Ametek

FileMaker App Developer

Ametek PMC China Aug 2014 - Feb 2015

Internship in Taicang, China

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  • Mac OSX and iOS apps: Using FileMaker
  • Cross-Cultural Collaboration: German/American/Chinese stakeholders

Education

TU Berlin

B.Sc. Computer Science

Technical University of Berlin 2015 - 2020

Focus on software engineering, distributed systems, and algorithms. Strong foundation in system design and infrastructure.

Open Source Projects

s4

100% offline Shamir's secret sharing GUI for secure key splitting

Notr

Easily annotate every website in Figma-style comments

HillChart.co

Free online hillchart generator for project tracking

Talks

Get in Touch

I'm always interested in discussing new opportunities and interesting projects.

Map showing Munich, Germany

I am based in Munich, Germany.

The last 5 years I mostly work fully remote, but indeed prefer seeing humans from time to time