Julien Look - AI Engineer

Berlin, Germany

Experience

May 2025 - Present

1 month

MLOps Engineer

SAMGEN

Building and scaling cloud infrastructure on GCP to support a SaaS platform for industrial clients
Designing and implementing a data-driven DevOps pipeline for streamlined deployment and CI/CD workflows
Collaborating with Data Science team on MLOps workflow to automate integrated retraining

Mar 2025 - Present

3 months

AI Engineer

Customized and integrated a voice AI-agent with RAG into existing website to answer questions regarding the business, suggest users services of the company and autonomously schedule appointments

Jan 2025 - Present

5 months

AI Engineer

Applai

Built an agentic job application tool to accelerate search of fitting roles and automating cover letters
Created selenium scraper on FastAPI for job platforms, chained multiple RAGs and LLMs for consistent output
Used LangGraph for agentic workflow and LangSmith for model evaluation

Jan 2025 - Present

5 months

Adjunct Lecturer in MLOps

Nobleprog

Concepted and taught lessons in MLOps (Machine Learning Operations), covering automated data wrangling, machine learning life cycles, monitoring, and orchestration in production environments
Developed hands-on labs with real-world case studies, guiding students through opportunities and pain points in MLOps, covering a range of modern tools and frameworks
Discussed and utilized tools such as MLflow, DVC, Github Actions, AWS, Amazon Sagemaker, Airflow, Docker, Kubernetes, AutoML, Scikit-Learn, evidently.ai

Jun 2024 - Dec 2025

7 months

Adjunct Lecturer in Data Analytics

Data Smartpoint

Taught Data Analytics, Data Protection, Machine Learning, Web Scraping and API development to groups of ~15 students, including conceptualization of study material and final projects

Jan 2024 - Apr 2025

1 year 4 months

Software Engineer

Cinoware

Build prototypes and automated testing software products in critical infrastructure for government sector
Developed a robot operation application using Python, FastAPI and React, experimented with multimodal LLMs
Built image detection application with OpenCV, used MLflow and scikit-learn for evaluation
Developed a Selenium Grid testing suite, analysed Allure reports for performance tracking
Built a Jira automation tool for data imports using Node.js, Bash and Docker

Jan 2024 - Apr 2025

1 year 4 months

Frontend Engineer

R-Cycle

Spearheading development of customer dashboard to monitor plastic production cycle across multiple manufacturers, facilitating industries’ data and product compliance with government recycling mandates
Directed architectural improvements (workspace refactoring and testing strategy) to stabilize the application
Engineered Frontend components utilizing React, SASS, and CoreUI for a responsive user interface
Transformed database and file management using GCP, prompting users to customize the app UI

Dec 2023 - Mar 2024

4 months

Shopify Fullstack Engineer

Cybercrush

Managed a team of 4 developers and built a custom Shopify Storefront with Remix.js, Shopify APIs and GraphQL

Nov 2023 - Mar 2024

5 months

AI Engineer

Full-Circle Family

Developed a mobile AI parent advisor, offering quick and affordable child care support
Advised and implemented chatbot using fine-tuned LLM and RAG and strategized benchmarking
Chained multiple applications in monorepo with microservices, coupled with Cloud Development using AWS to manage data protection together with scalability (Lambda, API Gateway, DynamoDB, Amplify, Cognito, EC2)

Sep 2023 - Dec 2023

4 months

Data Engineer

co-dex

Engineered data transformation pipeline for the energy sector using Python, pandas and Airflow

May 2023 - Sep 2023

5 months

Azure Cloud Engineer

kunveno

Developed and integrated a Full-Stack app into Microsoft Teams as a Message Extension using Azure

May 2021 - Dec 2022

1 year 8 months

Data Scientist

Expresssteuer GmbH

Managed GDPR-sensitive ETL processes & rebuilt the Cloud Data Warehouse using Google Analytics, Big Query, Firebase and dbt, reducing original database costs by more than 90%
Implemented Microservices coupled with Cloud Services using Firebase, Angular and Typescript
Developed screening and extraction tool for several legal documents using Google Vertex AI
Built a client-faced agentic chatbot, automating responses to individual case inquiries
Designed analytics dashboards, empowering finance and operations teams with data-driven insights

Sep 2020 - Sep 2021

1 year 1 month

Data Science Research Assistant

Technical University Berlin

Conducted Machine Learning research in Quality Science, contributed to paper publication

Jun 2020 - Dec 2020

7 months

Machine Learning Engineer

Cyanite

Modeled several Machine Learning prototypes to classify music eras with Python and Tensorflow

Sep 2019 - Mar 2020

7 months

Operating System Engineer

Bosch SEA

Developed Debian packages for company internal Linux distribution in Bash and Python for global user base

Summary

As a Software Engineer working across multiple disciplines, I have been wearing hats such as Data Scientist, Fullstack Developer, AI or DevOps Engineer. I design and scale data-driven software and integrate AI solutions to empower businesses to lead in digital transformation. With experience across startups and enterprises, I provide technical leadership and strategic advisory for all levels of technological readiness.