Alexey Kondratov
Lead Software Engineer at Databricks
Berlin, Germany
Summary
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Rockstar🎓
Top SchoolAlexey Kondratov is a Lead Software Engineer based in Berlin with 12 years of experience building and architecting distributed databases and backend systems. He brought Neon’s serverless Postgres from concept to production-grade features—contributing to core components like zenith and pageserver and improving branching, error handling, and low-level database structures. Before Neon he worked on PostgreSQL core features at Postgres Professional (pg_rewind, ptrack, sharding and logical replication), and now continues to push further separation of compute and storage at Databricks. Trained as a theoretical physicist with a PhD in condensed matter, he blends rigorous analytical thinking and numerical simulation experience with hands-on systems engineering. He’s comfortable across languages and domains—from low-level DB internals and performance-critical Rust/C work to Python-driven research tooling—and has a track record of turning academic complexity into production software. An often-unexpected asset is his background in optics and signal processing, which informs a methodical approach to debugging, modeling, and designing robust systems.
12 years of coding experience
16 years of employment as a software developer
Doctor of Philosophy (Ph.D.) Condensed Matter and Materials Physics, Doctor of Philosophy (Ph.D.) Condensed Matter and Materials Physics at Institute of Crystallography of the Russian Academy of Sciences (IC RAS)Master's Degree Applied Mathematics and Physics, Master's Degree Applied Mathematics and Physics at National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian, English
Stackoverflow
3,808reputation
300kreached
25answers
4questions
Github Skills (16)
rust10
database-administration10
postgresql10
admin10
database-design10
back-end-development10
database9
databases9
serverless8
pandas6
code-visualization6
database-replication6
sql6
python6
multithreading6
Programming languages (14)
Github contributions (5)
neondatabase/neon
May 2021 - Jan 2023
Neon: Serverless Postgres. We separated storage and compute to offer autoscaling, code-like database branching, and scale to zero.
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:673 reviews, 60 commits, 195 PRs in 1 year 8 months
Contributions summary:Alexey primarily focused on back-end development tasks within the Neon serverless Postgres repository, specifically contributing to the `zenith` and `pageserver` components. Their contributions include refactoring error handling, implementing branching output functionalities, and enhancing the branches tree drawing routines. They also worked on database-related tasks by adding and modifying data structures like `RelTag` and `BufferTag`, and by updating and implementing various database functionalities like the create, rename, and deletion of databases and roles. These contributions indicate a strong focus on improving core database features and functionalities.
autoscalingdatabasepostgresqlserverlesspostgres
postgrespro/ptrack
Jan 2020 - Jun 2021
Block-level incremental backup engine for PostgreSQL
Contributions:5 releases, 11 reviews, 62 commits in 1 year 5 months
postgresqlpostgrespostgresql-extensionbackupsincremental-backups
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