Julien Look

MLOps Engineer

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Berlin, Germany

Experience

May 2025 - Present
9 months

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
11 months

AI Engineer

AI Sales Representative

  • 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
1 year 1 month

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
1 year 1 month

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 2024
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

  • Built 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, analyzed 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 and 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
  • Built custom AI solutions for internal processes to cut cost for operations by about 70%, including:
  • 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. Backed by 8 years of teaching experience, I enjoy mentoring and empowering teams to foster independence.

Skills

  • Data Science & Machine Learning: Machine Learning (Llm, Cnn, Classification, Time Series, Regression, Reinforcement Learning); Data Engineering (Big Data Mining, Etl); Data Quality (Evidently.ai, Deepeval); Gdpr; Libraries (Tensorflow, Keras, Pytorch, Pandas, Scikit-learn, Tidyverse, Opencv, Ollama, Langchain)
  • Software Architecture/deployment: Monorepo (Nx); Microservices; Version Control (Git); Cloud Services (Firebase, Microsoft Azure, Aws); Ci/cd (Github Actions, Gitlab Ci/cd; Expo, Docker, Mlops (Amazon Sagemaker, Mlflow, Dvc, Deployment); Workflow Management (Airflow, Flowise, Langgraph)
  • Frontend Development: Sass; Web Scraping (Selenium, Xml); Graphql; Jquery; Websockets (Socket.io); E2e Testing (Cypress); Ui Kits (Tailwind, Bootstrap, Material Ui, Headlessui, Coreui); Module Bundler (Webpack, Vite); Rxjs; Rest; Server-side-rendering; Caching; Authentication (Jwt, Oauth)
  • Backend Development: Server Framework (Express, Restify, Flask, Fastapi); Serverless Development; Threading; Multiprocessing; Database Management (Mongodb, Orm, Dbt, Prisma, Redis, Big Query, Rag, Chroma, Pinecone); Unit/integration/api Testing (Jest, Python Unittest)
  • Programming Languages: Web (Javascript, React, Remix, Angular, Html, Css); Backend (Node.js, Typescript, Bash); Data Science (Python, R, Sql); Mobile (React Native)

Languages

German
Native
English
Advanced
Japanese
Advanced

Education

Apr 2018 - Aug 2021

Technical University Berlin

B.Sc., Computational Engineering Science · Computational Engineering Science · Berlin, Germany · 2.1 (equivalent to a GPA of 3.1 or a score of 86%)

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