Michael Tontchev is a Staff Software Engineering Tech Lead at Meta with 11 years of experience building scalable systems and leading teams across AI and infrastructure domains. Based in Seattle, he has progressed from software engineering roles at Microsoft to senior technical leadership at Meta, where he focuses on AI safety and alignment for frontier models. His hands-on contributions span TypeScript tooling and ML data pipelines—maintaining ts-essentials types and developing fine-tuning data formatters for the popular meta-llama cookbook—reflecting a blend of rigorous engineering and applied ML. Known for pragmatic fixes (like DeepReadonly edge cases) and production-oriented testing, he pairs strong technical craft with an interest in ensuring AI aligns with human values.
11 years of coding experience
10 years of employment as a software developer
High School, Accelerated math and science, High School, Accelerated math and science at Baltimore Polytechnic Institute
Bachelor's degree, Computer Science and Economics, Bachelor's degree, Computer Science and Economics at University of Maryland
Welcome to the Llama Cookbook! This is your go to guide for Building with Llama: Getting started with Inference, Fine-Tuning, RAG. We also show you how to solve end to end problems using Llama model family and using them on various provider services
Role in this project:
ML Engineer
Contributions:5 reviews, 1 PR, 12 comments in 13 days
Contributions summary:Michael primarily focused on developing and refining data formatting and processing utilities for fine-tuning Llama Guard models within the repository. Their contributions included creating formatters and tests, along with implementing data augmentation strategies. These changes were centered around the `finetuning_data_formatter.py` file, indicating a strong emphasis on preparing and transforming data for machine learning tasks. The user also made minor updates to testing and documentation related to the data formatter.
Contributions:7 commits, 1 PR, 6 comments in 3 days
Contributions summary:Michael primarily focused on maintaining and improving the `ts-essentials` library. Their contributions include adding a check for `ReadonlyArray<T>` within the `DeepReadonly` type to fix a bug and adding a build-time test to ensure the fix remains. The user also performed several styling fixes across test files. The commits demonstrate a focus on TypeScript type definitions and testing.
placetoolboxtypescript-typesfp-tstypescript
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Michael Tontchev - Staff Software Engineering Tech Lead at Microsoft