Paul-Jasper Sahr

Solutions Architect, Full-Stack Engineer and Design Thinker
Oldenburg, Germany mail@pauljasper.dev pauljasper.dev

Professional Summary

Senior Solutions Architect & Full-Stack Engineer shipping production-grade industrial software on AWS. Architecting and building scalable serverless applications and GenAI solutions with Next.js, TypeScript and Python. Leading technical initiatives at a major automotive joint venture, taking projects from concept to deployment while mentoring teams. Certified Scrum Master and Design Thinking Practitioner.

Professional Experience

Senior Solutions Architect & Full-Stack Engineer
since 01/2025
inpro
Berlin, Germany
  • Rule Mining:
    • Led development of a web app to extract technical rules from unstructured documents
    • Made key technical decisions, designed the system architecture, conducted code reviews and mentored a team of 2 developers
    • Built serverless infrastructure on AWS with SST and automated testing and deployment pipelines in GitLab
    • Worked closely with the non-technical project manager to ensure the project vision was met
    Tech: Next.js, TypeScript, Python, Drizzle, tRPC, TanStack Query, better-auth, Tailwind CSS, Docker, AWS, SST, SQL, GenAI
Developer
09/2022 - 12/2024
inpro
Berlin, Germany
  • Factory Chatbot:
    • Built a shop-floor chatbot with Nuxt frontend and Python backend with RAG
    • Created a data ingestion pipeline to index and embed documents for retrieval
    • Developed an internal web app for testing and benchmarking the RAG system
    • Deployed infrastructure to AWS with CDK and set up CI/CD pipelines in GitLab
    Tech: Nuxt, TypeScript, Python, Langchain, FastAPI, Drizzle, tRPC, Tailwind CSS, Docker, AWS, CDK, SQL, GenAI, RAG
  • Text2Tech (BMBF funded):
    • Built the frontend for a technology monitoring demonstrator that uses deep learning to extract information from automotive industry texts
    • The system automatically identifies technologies, companies, and their relationships from German and English sources
    Tech: React, TypeScript, Docker, GenAI
Junior Developer
08/2020 - 08/2022
inpro
Berlin, Germany
  • Virtual Process Chain:
    • Developed a C++ desktop application for data transfer between CAD/CAE systems
    • Created Python bindings for the library and integrated computer vision for scan mapping
    • Served as Scrum Master for the development team
    Tech: C++, Qt, cmake, Python, Mesh & Scan Data, Scrum Master
  • hypro (BMBF funded):
    • Built a Cadmould data input module for importing injection molding simulation data
    • Developed data mapping to transfer fiber orientation information from Cadmould simulations to Abaqus mesh
    • Created result evaluation in Python
    • Attended project meetings to present progress and findings
    Tech: C++, Python, Qt, cmake, Scrum Master

Projects

  • gemhog.com:
    • We listen to financial podcasts so you don't have to.
    • Investment ideas, trends, and expert takes — delivered to your inbox.
    • Pairs podcast theses with accessible financial data for evaluation
    Tech: Next.js, TypeScript, Effect-TS, SST, Postgres, AWS
  • Real Estate Calculator iOS App:
    • Building an iOS app that simplifies real estate calculation for investment
    • Development stalled
    Tech: Expo, TypeScript, React Native, Hono, Drizzle, tRPC, TanStack Query, SST, Nativewind

Certifications

AWS Certified Machine Learning Engineer - Associate AWS2025
AWS Certified Solutions Architect - Associate AWS2025
Git Advanced Topics GROSSWEBER2023
Professional Scrum Master I Scrum.org2023
Clean Code C++ GROSSWEBER2022
Design Thinking Practitioner launchlabs Berlin2021
Improving Deep Neural Networks Coursera2020
Neural Networks and Deep Learning Coursera2020
Machine Learning Coursera2020

Education

University of Applied Science Münster
2016 - 2020
M.Sc. Chemical Engineering
  • Master's Thesis Student:
    • At University of Berlin, I developed and implemented a viscoelastic fluid model in OpenFOAM's C++ codebase to simulate free-rising bubbles
    • Modified the bubbleInterTrackFoam solver by implementing an extra stress tensor and adapting the viscoelasticModel library
    • Performed pseudo-2D and 3D simulations to validate the implementation and optimize numerical parameters
    • I created visualizations and graphs with Python
  • Research Trainee:6-month traineeship at Universidad de Cadiz
  • Research Assistant:At the University of Applied Science Münster
University of Applied Science Münster
2012 - 2015
B.Sc. Chemical Engineering