curriculum vitae · AI with strategy and craftsmanship
Mariusz Kreft
AI strategy · AI engineering · product · transformation
Computer scientist, product leader and entrepreneur with more than 15 years of experience in software, AI and digital transformation. Combines leadership-level consulting with own technical delivery — from scoping with decision-makers through solution architecture to running own LLM infrastructure. Was building AI products before generative AI went mainstream.
Berlin & Poland · German, English, Polish (fluent) · hands-on · hi@grait.io · linkedin.com/in/makecoolthingsreal · grait.io
Current roles
Founder & AI Systems Architect · machinemachine.ai
Framework for vertical AI adoption in SMEs: industry-specific agents and workflows with an audit-proof AI decision trail.
AI Consultant & Tech Partner · grait.io
Agentic AI systems and digitization for a PE/VC firm and a Swiss manufacturing company.
AI Engineering Trainer · Markant (Switzerland)
Recurring hands-on AI engineering training for senior developers at a retail company.
Experience
Product Lead · KIEDIS
Product ownership for an AI-based platform for freelancers and interim experts: matching, search, automation.
Co-founder & Chief AI Officer · unhamster · Timmerman Partners
Created the AI life-coach product unhamster with the CEO of Timmerman Partners; led AI strategy, delivery and change consulting.
Agile & Transformation Coach (freelance)
Transformation programs for corporates in retail, automotive, banking and pharma; trained executives and coaches.
Senior Product Manager · Babbel
Founder · appBauer
Digital product company with clients such as Procter & Gamble, Breitling, ADAC and Telekom; strategy, sales and team leadership.
Product Manager · Neofonie
Digital publishing and search technology, including the WePad, one of the early tablet platforms.
Education
Diploma, Computer Science in Media · Beuth University of Applied Sciences Berlin
Programming, algorithms, system design; thesis combining brain-computer interfaces and augmented reality.
Selected projects
- LLM Cluster — production inference on a self-hosted 8-node NVIDIA DGX Spark cluster.
- AI Audit Trail — signed, hash-chained log that makes AI decisions traceable for regulators.
- Async Video — AI video messaging (2020–2022).
- Netzeitung — one of Europe's first algorithmic newsrooms (2009–2010).
- Fragrance Finder — ML-based fragrance recommendations (2011–2012).
Core skills
- AI strategy, presales and solution architecture
- Agentic systems, orchestration and memory
- LLM infrastructure and efficient inference
- Product management, discovery and prototyping
- Agile transformation and change management
- Workshops, training and C-level presentations
Tools
Python, TypeScript/JavaScript, React, Next.js; vLLM, SGLang, vector databases (Qdrant), BGE-M3 embeddings, PostGIS; LLM APIs, agent frameworks, Claude Code, herdr / m2herd, spec-driven development; NVIDIA DGX Spark, CI/CD and DevOps. Workflows: custom workflows run by herds of AI agents (previously n8n).
Offerings
AI strategy & architecture · self-improving agent workflows · Odoo-based solutions (Odoo ERP as the business backbone, custom addons, AI agents wired to it) · private AI infrastructure · AI engineering training · AI product leadership.
Industries
Retail, Automotive, Banking, Pharma, Private Equity, Manufacturing, Environmental & Urban Planning, Media & Publishing, EdTech.
Selected clients
Procter & Gamble, Breitling, ADAC, Telekom; corporate clients in retail, automotive, banking and pharma.
Working style
Clear thinking, solid engineering, ownership all the way into production. Brings together consulting, product, architecture and hands-on delivery.
Advise. Build. Run. Leadership-level AI strategy combined with own architecture, own infrastructure and ownership all the way into production.
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