NDX Technologies

Nikolay is a thoughtful, capable, trustworthy, and collaborative engineer. He is selective and committed to anything that he chooses to work on, and will give his 100% to that cause. [...] For our project, he has worked on a deep audit on our existing system's architecture and implemented monitoring infrastructure that would help our team understand, identify and improve on the system's performance over time. He managed to implement solutions that were not only effective but also cost efficient. All in all, I look forward to working with Nikolay in the future and would recommend him to any one who's seeking to work with an excellent software engineer.

Nikolay developed several innovative products for the Ads Catalog at Facebook, which significantly enhanced the data quality provided by business users.

Nikolay bootstrapped core of our machine learning stack including feature store, models registry, backtesting, offline and real-time inference. He conducted research of state-of-the-art methods and established industry standards in our operations at scale of hundreds of million users.

Nikolay is a highly skilled and dedicated professional who excels at planning and implementing complex technical solutions. During our time working together, I was consistently impressed by his ability to understand business needs and translate them into effective, scalable solutions. His work in cash back systems was particularly noteworthy, leading to a > 10% increase in GMV across multiple markets. Nikolay is a valuable asset to any team, and I highly recommend him.