Jan 2024 – Sep 2024 · 8 mos · London Area, United Kingdom · Remote

• 🟠 Computer vision & deep learning workflow engine: orchestrate & execute
• The client, a leading GenAI platform, faced difficulties scaling and breaking down its complex ML jobs. Their manual processes and CLI-based tooling added significant friction in serving their clients. Thus, the client required a more intuitive and scalable tool that could be used across the company to train and serve its ML models.
• → 𝗥𝗲𝗳𝗮𝗰𝘁𝗼𝗿𝗲𝗱 the ML worker architecture to follow DDD principles, making it more 𝗿𝗲𝗮𝗱𝗮𝗯𝗹𝗲, 𝗺𝗼𝗱𝘂𝗹𝗮𝗿, and 𝗲𝘅𝘁𝗲𝗻𝘀𝗶𝗯𝗹𝗲.
• → 𝗗𝗲𝗰𝗿𝗲𝗮𝘀𝗲𝗱 the 𝗹𝗮𝘁𝗲𝗻𝗰𝘆 of the data curation DL models 𝗯𝘆 𝟴𝟮.𝟳%
• → 𝗘𝘅𝘁𝗲𝗻𝗱𝗲𝗱 their clustering algorithm to accurately run on 𝗱𝗮𝘁𝗮𝘀𝗲𝘁𝘀 >𝟭𝟬𝗸 𝗶𝗺𝗮𝗴𝗲𝘀 and 𝗮𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗰𝗮𝗹𝗹𝘆 𝗱𝗲𝘁𝗲𝗰𝘁 the number of 𝗰𝗹𝘂𝘀𝘁𝗲𝗿𝘀 and 𝗼𝘂𝘁𝗹𝗶𝗲𝗿𝘀.

May 2023 – Dec 2023 · 7 mos · London Area, United Kingdom · Remote

• 🔴 Scalable ML batch pipeline for continuous training & inference
• The client, a leading GenAI platform, struggled with manual training and calling their ML models. As a tedious and unscalable process, they needed to automate their ML processes completely and integrate them with their current web platform.
• → 𝗗𝗲𝘀𝗶𝗴𝗻𝗲𝗱 and 𝗶𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗲𝗱 a 𝗺𝗼𝗱𝘂𝗹𝗮𝗿 𝗣𝘆𝘁𝗵𝗼𝗻 𝗽𝗮𝗰𝗸𝗮𝗴𝗲 that orchestrates the ML steps into 3 fully automated batch pipelines: feature, training, and inference, 𝗲𝗹𝗶𝗺𝗶𝗻𝗮𝘁𝗶𝗻𝗴 𝗮 𝘁𝗲𝗱𝗶𝗼𝘂𝘀 𝟮-𝗵𝗼𝘂𝗿 𝗺𝗮𝗻𝘂𝗮𝗹 𝗽𝗿𝗼𝗰𝗲𝘀𝘀/𝘃𝗶𝗱𝗲𝗼.
• → 𝗥𝗲𝗱𝘂𝗰𝗲𝗱 the 𝗽𝗿𝗼𝗰𝗲𝘀𝘀𝗶𝗻𝗴 𝘁𝗶𝗺𝗲 of the batch ML pipeline 𝗯𝘆 𝟲𝟮.𝟱% while preserving the same accuracy and quality.
• → 𝗜𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗲𝗱 𝗠𝗟𝗢𝗽𝘀 𝗯𝗲𝘀𝘁 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗲𝘀 such as IaC, CI/CD, monitoring, experiment tracking, and model registries, making the system reproducible, testable and trackable.
• → 𝗗𝗲𝗽𝗹𝗼𝘆𝗲𝗱 a scalable & cost-effective 𝗮𝘀𝘆𝗻𝗰 𝗯𝗮𝘁𝗰𝗵 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 on top of AWS ECS & SQS that scales in and out based on the number of jobs, 𝗿𝗲𝗱𝘂𝗰𝗶𝗻𝗴 their 𝗔𝗪𝗦 𝗰𝗼𝘀𝘁𝘀 𝗯𝘆 𝟱𝟮%.
• 🔴 Big data ingestion & archiving pipeline
• The client wanted to expand its platform features by securely ingesting, preprocessing, and storing TB of data into their platform.
• → 𝐂𝐨𝐧𝐭𝐫𝐢𝐛𝐮𝐭𝐞𝐝 to the 𝐝𝐞𝐬𝐢𝐠𝐧 and 𝐢𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐚𝐭𝐢𝐨𝐧 of a 𝐝𝐚𝐭𝐚 𝐢𝐧𝐠𝐞𝐬𝐭𝐢𝐨𝐧 𝐩𝐢𝐩𝐞𝐥𝐢𝐧𝐞 that supports 𝐢𝐧𝐠𝐞𝐬𝐭𝐢𝐧𝐠 >𝟓 𝐓𝐁 of data in 𝐨𝐧𝐞 𝐠𝐨 in a reliable, fast, and secure way.
• → 𝗜𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗲𝗱 a scalable 𝗱𝗮𝘁𝗮 𝗽𝗿𝗲𝗽𝗿𝗼𝗰𝗲𝘀𝘀𝗶𝗻𝗴 𝗽𝗶𝗽𝗲𝗹𝗶𝗻𝗲 that supports multiple media types (images, videos, audio, 3D objects), archiving the original files on an affordable storage solution, 𝗿𝗲𝗱𝘂𝗰𝗶𝗻𝗴 𝗰𝗼𝘀𝘁𝘀 𝗯𝘆 𝘂𝗽 𝘁𝗼 𝟴𝟭%.

Jun 2023 – Present · 2 yrs 11 mos · Remote

• 📰 Content on designing, building, and shipping AI software that works. Learn AI engineering, end-to-end, from idea to production. Every Tuesday.

Dec 2022 – Jun 2023 · 6 mos · Israel · Remote

• 🟠 Real-time social media recommender system using machine learning & Kafka
• The client, a social media start-up from Israel, needed a real-time dashboard and recommender system on top of their Kafka infrastructure using modern ML and MLOps solutions.
• → 𝐋𝐞𝐝 the architecture system design of a modular real-time social media recommender system built on top of the client's Kafka nervous system that leverages streaming and ML technologies such as Kafka Streams, Kotlin, PyTorch, Python, and Docker.
• → Quickly 𝐩𝐥𝐚𝐧𝐧𝐞𝐝 and 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐝 a scalable recommender system based on heuristics, picked through A/B testing, using Kafka Streams and Kotlin. It served as a vital entry point and baseline for future algorithms.
• → 𝐃𝐞𝐬𝐢𝐠𝐧𝐞𝐝 and 𝐢𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐞𝐝 a dashboard that computes KPIs in 𝐫𝐞𝐚𝐥-𝐭𝐢𝐦𝐞 𝐟𝐨𝐫 𝟏𝟎𝟎𝐤+ 𝐮𝐬𝐞𝐫𝐬 on the client's Kafka infrastructure using ksqlDB, SQL, Elasticsearch, and Apache Superset.

Apr 2022 – Dec 2022 · 8 mos · Israel · Remote

• 🔴 Prototyping AI solutions for Demand Forecasting, Churn Prediction, and Customer Segmentation
• The client, a machine learning start-up, wanted to expand their services portfolio by prototyping and gaining knowledge in various AI fields that leverage structured retail data.
• → 𝐋𝐞𝐝 𝐚 𝐭𝐞𝐚𝐦 𝐨𝐟 𝟐 to develop an ML clustering solution that aggregates data from multiple sources and finds customer segments and insights for new potential clients.
• → 𝐈𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐞𝐝 a prototype for churn and demand forecasting used as a proof of concept to close deals with various clients.
• → 𝐒𝐚𝐯𝐞𝐝 𝟒𝟎% of 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 𝐫𝐞𝐬𝐨𝐮𝐫𝐜𝐞𝐬 by building a reusable Python ML framework that can quickly be tailored to custom problems based on structured data.

Feb 2022 – May 2023 · 1 yr 3 mos · Israel · Remote

• 🔴 coreControl - end-to-end MLOps infrastructure
• The client, a machine learning service provider, required an end-to-end ML/MLOps infrastructure to scale their operations and save development resources across multiple AI projects.
• → 𝐋𝐞𝐝 the 𝐝𝐞𝐬𝐢𝐠𝐧 and 𝐢𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐚𝐭𝐢𝐨𝐧 of coreControl by integrating the software with the client's products and collaborating with other ML engineers, developers, and graphic designers.
• → 𝐑𝐞𝐝𝐮𝐜𝐞𝐝 the 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐢𝐦𝐞 across the client's machine learning projects 𝐛𝐲 𝟑𝟎% using coreControl.
• → 𝐈𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐞𝐝 the data backbone of coreControl that syncs the data between multiple MLOps tools and exposes them to a UI through a RESTful API using Python, FastAPI, PostgreSQL, Docker, and AWS.
• → 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐝 a Python package that wraps various MLOps tools that standardizes the data scientists' work and centralizes all the ML artifacts to easily be analyzed in a single place using Python, DVC, and ClearML.

Feb 2022 – Jun 2023 · 1 yr 4 mos · Timişoara, Timiş, Romania

• 🟠 Teaching the foundations of 𝐚𝐫𝐭𝐢𝐟𝐢𝐜𝐢𝐚𝐥 𝐢𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞 laboratory.
• → Supervised and unsupervised learning
• → Linear regression, SVMs, Decision trees
• → Clustering, Dimensionality reduction
• → Dense neural networks
• → Convolutional neural networks
• → Recurrent neural networks
• → Transformers

Aug 2021 – Feb 2022 · 6 mos · Timişoara, Timiş, Romania

• 🟠 Autonomous supply chain system using computer vision & deep learning
• The client, a well-known player in the retail sector, needed to expand its deep learning and computer vision solutions by researching and building autonomous systems for its operations in the retail industry.
• → 𝐓𝐫𝐚𝐢𝐧𝐞𝐝 a Mask-RCNN model for 2D object detection and segmentation on 100k proprietary retail images, with an 𝐦𝐀𝐏 𝐨𝐟 𝟖𝟓%.
• → 𝐒𝐩𝐞𝐞𝐝 𝐮𝐩 the 𝐢𝐧𝐟𝐞𝐫𝐞𝐧𝐜𝐞 𝐭𝐢𝐦𝐞 of the Mask-RCNN model 𝐛𝐲 𝟓𝟎% by levering Docker, ONNX, and TensorRT to containerize and accelerate the models.
• → 𝐓𝐫𝐚𝐢𝐧𝐞𝐝 a scalable classifier using an image retrieval model that can dynamically handle new classes without additional training.
• → 𝐈𝐧𝐜𝐫𝐞𝐚𝐬𝐞𝐝 the 𝐫𝐞𝐩𝐫𝐨𝐝𝐮𝐜𝐢𝐛𝐢𝐥𝐢𝐭𝐲 of the 𝐭𝐫𝐚𝐢𝐧𝐢𝐧𝐠 𝐩𝐫𝐨𝐜𝐞𝐬𝐬 by implementing MLOps solutions, such as DVC & MLFlow, that included data & model versioning, registries, and experiment tracking features.

Nov 2020 – Aug 2021 · 9 mos

• 🟠 Autonomous driving system using computer vision & deep learning
• The client, a well-known player in the automotive sector, needed to create an autonomous driving car prototype that could accurately detect traffic participants by leveraging DL and CV solutions.
• → 𝐋𝐞𝐝 the 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 of a prototype for real-time traffic participants detection by deploying a CenterNet model for 3D object detection on a test car using an Nvidia Drive AGX C++ platform.
• → 𝐈𝐦𝐩𝐫𝐨𝐯𝐞𝐝 the reproducibility of the experimentation process by implementing MLOps solutions (DVC) that version unstructured big data.
• → 𝐈𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐞𝐝 a replacement to the Hungarian algorithm that 𝐢𝐧𝐜𝐫𝐞𝐚𝐬𝐞𝐝 the 𝐬𝐩𝐞𝐞𝐝 by 𝟑𝟎%, making the system 𝐫𝐞𝐚𝐥-𝐭𝐢𝐦𝐞.
• → 𝐒𝐚𝐯𝐞𝐝 𝟐 𝐝𝐚𝐲𝐬, in 𝐞𝐯𝐞𝐫𝐲 𝐦𝐨𝐧𝐭𝐡, of 𝐫𝐞𝐩𝐞𝐭𝐢𝐭𝐢𝐯𝐞 work by automating the steps for the creation of the 𝐦𝐨𝐧𝐭𝐡𝐥𝐲 demo.

Nov 2019 – Oct 2020 · 11 mos

• 🔴 Autonomous driving research using computer vision & deep learning
• The client, a well-known player in the automotive sector, needed to expand its research into the autonomous driving field using novel deep learning and computer vision methods.
• → 𝐑𝐞𝐬𝐞𝐚𝐫𝐜𝐡 in 3D object detection, depth estimation & completion, tracking, and sensor fusion algorithms using various sensors such as images, radar & LiDAR point clouds.
• → 𝐑𝐞𝐝𝐮𝐜𝐞𝐝 𝐛𝐲 𝟒𝟎% the 𝐦𝐞𝐦𝐨𝐫𝐲 𝐮𝐬𝐚𝐠𝐞 of the 3D object detection code by introducing the Dynamic Voxelization algorithm into the preprocessing pipeline.
• → 𝐓𝐫𝐚𝐢𝐧𝐞𝐝 state-of-the-art models to generate LiDAR-like dense point clouds from sparse Radar point clouds on various autonomous driving datasets, such as KITTI, nuScenes, DDAD, and A2D2.

Jun 2019 – Jun 2020 · 1 yr · Timişoara, Timiş, Romania

• 🟠 Dorel - An Uber for handymen
• 𝐃𝐨𝐫𝐞𝐥 is an app that connects handypersons with customers. It contains a review and portfolio system where any handyperson can build his profile. Based on that, a user can determine whether he fits the job. The app intends to bring, once again, trust in handypersons.
• → 𝐏𝐢𝐭𝐜𝐡𝐞𝐝 the 𝐢𝐝𝐞𝐚 to various start-up incubators.
• → 𝐌𝐚𝐧𝐚𝐠𝐞𝐝 the backend components of the software solution of Dorel using an Agile methodology.
• → 𝐋𝐞𝐝 the 𝐝𝐞𝐬𝐢𝐠𝐧 and 𝐢𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐚𝐭𝐢𝐨𝐧 of the Django RESTful API server and the notifications microservice.
• → 𝐃𝐞𝐬𝐢𝐠𝐧𝐞𝐝 and 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐝 the Redux layer of the React Native mobile app.

Feb 2019 – Nov 2019 · 9 mos

• 🟠 Smart parking management platform
• The client, a local player in the urban parking payment systems, needed to scale its operations into the private sector by building a new parking platform.
• → 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐞𝐝 the Redux layer of the onboarding mechanism of the React Native mobile application.
• → 𝐁𝐮𝐢𝐥𝐭 an autonomous system that could detect license numbers and automatically open the parking barrier for registered users using MQTT.
• → 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐝 the Python async notifications microservice for the Android & IOS mobile apps.

Jul 2018 – Jan 2019 · 6 mos

• 🔴 Smart parking management platform
• The client, a local player in the urban parking payment systems, needed to scale its operations into the private sector by building a new parking platform.
• → 𝐈𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐞𝐝 a suite of unit tests that 𝐝𝐞𝐜𝐫𝐞𝐚𝐬𝐞𝐝 the 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐭𝐢𝐦𝐞 by 𝟐𝟎%.
• → 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐝 various Django RESTful API server features, such as new endpoints, serializers, and CRUD operations.
• → 𝐈𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐞𝐝 a real-time business metrics dashboard on the office TV using Grafana on a Raspberry Pi.