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Olaf GörlitzOG

Olaf Görlitz

Tech Lead/CTO for AI & SaaS | Strategy · Implementation

€1,200/day
Hamburg, DE
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Olaf

With over 15 years of experience inAI/ML, Data Science, Product Strategy, Cloud/SaaS Architectures, and Full-Stack Engineering**, I help tech startups, scale-ups, and digital product teams **implement technology decisions faster and more effectively– as a Fractional CTO, Tech Advisor, or AI/Data Consultant.

My focus is on sustainable scaling and concrete implementation: I guidearchitecture decisions, AI/ML deployment, data strategy, and product roadmaps– pragmatically, hands-on, and results-oriented.

Typical projects:
  • Fractional CTO / Interim Roles (also as retainer)
  • AI/ML/Data Strategy, Use Case Reviews
  • Architecture and Codebase Audits (Cloud, SaaS)
  • Product and Data Roadmap Workshops
  • Sparring for Founders, CPOs, and Engineering Leads

I work remotely or on-site in Hamburg. Open to retainer models, project mandates, and short-term audits.

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I help tech startups, scale-ups, and digital product teams make better technology decisions and execute them effectively.
As a Fractional CTO, Tech Advisor, or AI/Data Consultant, I bring deep tech expertise and product-focused leadership.

With 15+ years in AI/ML, data science, product strategy, Cloud/SaaS architecture, and full-stack engineering I support teams at the intersection of tech, leadership, and growth.

I focus on scalable, hands-on execution, helping shape architecture, AI/ML use, data strategy, and product roadmaps.

Typical projects:
  • Fractional CTO / interim roles
  • AI/ML/Data strategy & use case reviews
  • Architecture/codebase audits (including cloud/SaaS systems)
  • Product/data roadmap workshops
  • Sparring for founders, CPOs, tech leads

Remote or on-site in Hamburg. Open to retainers, audits & short-term engagements.
  • German

    Native or bilingual

  • English

    Fluent

Can work on-site
Hamburg (up to 50km)

Experience

  • Mobile app for personalized, healthy food recommendations
    Founder / Lead Product Engineer
    HEALTH AND WELLNESS
    July 2023 - Today (2 years and 11 months)
    • Bootstrapped mobile product from idea to MVP (Vision, Research, AI Features, Architecture, Implementation, Go-to-Market)
    • Developed AI recommendation system (incl. nutritional data, personalized logic)
    • Built cross-platform app in Flutter (iOS/Android), Supabase backend

    Tech: Flutter · Dart · Supabase · SQL · TypeScript · Python · GenAI · React · Next.js
    Product Development Artificial Intelligence Lean Startup Mobile Development Data Analysis
  • Northern Data AG / Taiga Cloud
    Director of Engineering
    July 2024 - January 2025 (6 months)
    Led the engineering function(HPC, Cloud Ops, Product, SRE, Support) during a critical delivery phase.

    • **Secured multi-million revenue**: Implemented delivery pivot, rescued project, retained team
    • Rebuilt strategic customer relationship– technical leadership, SLA optimization, close partnership
    • Installed 10,000+ NVIDIA GPUs across 5 EU data centers– reduced failure rate through rollout standards
    • Developed AI-ready infrastructure products with NVIDIA & partners – in close coordination with Sales, Marketing

    Tech: NVIDIA GPUs · Infiniband · Ethernet Fabric · Bare-metal Provisioning · Infrastructure Automation · Data Center Ops · Monitoring · Slurm
    Artificial Intelligence Datacenter IT Strategy Cross-functional Team Leadership Crisis Management
  • Skillup.ai — SaaS Learning Platform Startup
    Head of Engineering / CTO
    EDUCATION AND E-LEARNING
    June 2022 - June 2023 (1 year)
    **Led engineering strategy & implementation**: Team building, cloud architecture, delivery excellence


    • **Significantly increased development speed & code quality**: Replaced offshore model with a high-performing onsite team – without project interruption
    • **Reduced AWS costs by ~90%**, while improving scalability & maintainability
    • Accelerated product innovationthrough GenAI integration (ChatGPT) into user features
    • **Defined product roadmap & accelerated MVP cycles**: Technical feasibility, user research, and hands-on full-stack implementation

    Tech: AWS · Serverless · RDS · Lambda · Cognito · Node.js · TypeScript · Angular · Express.js · Python · Django
    Artificial Intelligence Generative AI IT Strategy Cloud Computing Fullstack

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Education

  • Dr. rer. nat Computer Science
    University of Koblenz-Landau
    2014
    PhD
  • Diplom-Informatiker
    Technical University of Berlin
    2005
    Diploma in Computer Science

Skill set

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