Tolga Karahan

Experience

• 

  Ondokuz Mayıs Üniversitesi

  Aug 2016 - Aug 2016

  Intern

  - Java OOP- SQL- MySQL- Implementation of an application with database

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  NETAŞ

  Jun 2018 - Aug 2018

  Intern

  - A database tool implementation in C++ to backup/restore PostgreSQL databases- Python- Python Data Science related libraries- Data visualization- Researching papers regarding advanced persistent threats

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  Fibabanka

  Aug 2019 - May 2021

  Jr. Data Scientist

  - Setting up and maintaining a JupyterHub server- Data preparation/testing- Data Analysis- Propensity modelling- Writing Python scripts to put ML model into production- MLFlow- Parsing unstructured/semi-structured data- MLOps- Writing PL/SQL procedures- Monitoring and managing PL/SQL procedures to ensure that data is loaded for models- Writing Python scripts to automate tasks

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  AVL

  May 2021 - Sept 2022

  ML/Software Engineer

  A Big Data and Analytics platform project: - Design of a MLOps architecture - Design of database schemas - Development of microservices and APIs for the platform - Containerization of applications - Writing SQL queries for data analysis and backend - Development of Kubernetes configurations and Helm charts - Management of some Linux VMs and servers on Azure - Tool development - Implementation of Ansible scripts for deployments - Deployments of applications to customer environments - Investigation and comparison of candidate tools for workflow orchestration - Supporting colleagues regarding machine learning, python, databases, docker and kubernetesAn autonomous driving car R&D project: - Time series modeling for trajectory prediction - Hyperparameter tuning - Implementation of a transformer based model - Setting up a MLFlow server for experiment tracking - Implementation of a ROS node for multi lane detection - Dockerization of ROS nodes - Improving FPS rate of multi lane detection model - Leading a group of people for camera related perception tasksUsed techs/tools: Python, PostgreSQL, Kubernetes, Helm, Ansible, Linux, Tensorflow, PyTorch, ROS, MLFlow, Argo, InfluxDB, FastAPI, SqlAlchemy Show less

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  Hypatos

  Nov 2022 - now

  MLOps/Data Engineer

  Hypatos is a Berlin based AI startup in document processing and accounting domain.- MLOps platform development/maintenance- Frontend/Backend development- Data/ML pipeline development and troubleshooting- Monitoring/Observability- MLflow experiment tracking and model registry integration- Research on distributed ML training- Event driven architecture- Spark/Kafka streaming- Adapting inference service infrastructure to utilize GPUs which provided approximately 5 times improvement on inference time Show less