Recommended expert

Wolfgang Dafert

AI Prompting Evaluation

Wolfgang Dafert
Funchal, Portugal

Experience

Jan 2025 - Dec 2025
1 year

AI Prompting Evaluation

Powerfront

  • Leveraged reasoning LLMs to design, optimize, and validate advanced prompt engineering strategies for complex use cases.
  • Implemented Langfuse to establish robust prompt management and integrated AI evaluation pipelines for continuous performance monitoring.
Jan 2025 - Dec 2025
1 year

Technical PM for GenAI

Pulsate

  • Prototyped & validated concept: independently developed a fully self-coded PoC for an innovative marketing asset generator using OpenAI’s GPT Image 1, and set up Langfuse for evaluation.
  • Led implementation & launch: directed the engineering team in building the production version and collaborated with the product head to define and execute the go-to-market strategy.
Jan 2024 - Dec 2025
2 years
United States

AI Consultant and Implementation

TSTPrep

  • Designed and developed LLM-powered (GPT4o and Gemini) solutions for teacher support, automating complex student evaluations in a production solution.
  • Implemented prompt engineering and evaluation frameworks to enable rapid iteration, resulting in a 50% reduction in content production time due to LLM usage.
  • Developed n8n agent and agency swarm for internal business process automation.
Jan 2023 - Dec 2024
2 years

AI Dev

Freelance

  • Set up proof-of-concept pipelines to train and evaluate custom ML models for classification tasks, recognizing multiple ingredients in images.
  • Gained experience with agentic GenAI projects in production environments.
  • Deployed models to Vertex AI endpoints for testing, measured performance metrics, and iterated on improvements.
  • Coordinated with cross-functional teams (designers, developers, marketing) to align AI features with user needs.
Jan 2022 - Present
4 years 1 month

GenAI Consultant and Dev

Self-employed

  • Use case consulting and corporate education (GenAI and Cursor IDE).
  • Developed and deployed custom Retrieval-Augmented Generation (RAG) and chatbot solutions for clients utilizing fine-tuned LLMs hosted on Runpod and AWS SageMaker.
  • Performed backend development in Python/FastAPI, integrating LangChain for streamlined query handling and Guardrails to enhance prompt security.
  • Built open WebUI, Gradio, Telegram and several other AI chat frontends.
Jan 2021 - Dec 2023
3 years
New York, United States

CTO

Unison Media

  • Defined and implemented the technical vision and strategy for a New York–based media agency, overseeing the development and project management teams.
  • Spearheaded the adoption of a Zoho intranet, SOPs, and training manuals to optimize staff efficiency, automate business processes, and streamline website development.
  • Assisted the CEO and team with a successful migration to Zoho One.
Jan 2021 - Dec 2022
2 years
Glasgow, United Kingdom

CTO & Technical Lead

Sea.earth

  • Led technical research and development for a blockchain-based (Algorand) environmental startup.
  • Researched and delivered feasibility reports on utilizing smartphones for environmental data collection, resulting in a successful grant application for $50,000.
  • Designed an architecture for storing blockchain data in the InterPlanetary File System (IPFS) to enhance data security and accessibility.
Jan 2019 - Dec 2021
3 years
Hamburg, Germany

Project Manager

Cekaso

  • Managed a team of 5+ developers to build custom POS software solutions for a leading European furniture purchasing group, resulting in a 15% reduction in order processing time.
  • Played a key role in UI/UX design and client-facing project management, ensuring on-time and within-budget product delivery.

Summary

Self-organized and results-driven AI evaluation engineer & project manager with 11+ years of experience leading software development teams and 3+ years specializing in generative AI solutions. Proven expertise in LLM evaluation using LangSmith, Langfuse, and Weights & Biases, alongside strong capabilities in cloud platforms (AWS, GCP, Azure) and Agile project management. Skilled at shipping innovative AI applications and building robust evaluation pipelines to ensure quality, reliability, and measurable impact. Seeking a challenging remote role to deliver high-performing AI products and drive meaningful business results through technical depth and collaborative leadership.

Skills

Project Management

  • Agile
  • Tech Lead
  • Cto
  • Notion
  • Clickup
  • Jira

Generative Ai & Agent Frameworks

  • Langchain
  • Langsmith
  • N8n Agents
  • Langfuse
  • Openai Products

Machine Learning & Engineering

  • Evaluation
  • Prompt Engineering
  • Llm Fine-tuning
  • Pytorch

Programming Languages

  • Java
  • Python
  • Javascript
  • Typescript

Cloud Technologies & Mlops

  • Aws Sagemaker
  • Ec2
  • S3
  • Gcp Vertex Ai
  • Cloud Functions
  • Azure Machine Learning Studio

Soft Skills

  • Self Organizing
  • Result Driven
  • Remote Team Management

Languages

German
Native
English
Advanced

Education

Oct 2001 - Jun 2003

TU Braunschweig

Master's Degree · Computer Science - Usability · Braunschweig, Germany

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