Dmitry Konishchev
Senior Software Developer at Yandex.Cloud
Zhukovsky, Moscow, Russia
Summary
👤
Senior🎓
Top SchoolDmitry Konishchev is a Senior Software Developer with over 17 years of experience building fault-tolerant, highly available systems across cloud, embedded, and server-side domains. He has deep hands-on expertise in Python (recently preferred) plus C/C++, Go, Rust, Java and shell, and has designed compute and hardware orchestration services from scratch for large-scale production environments at Yandex.Cloud and Yandex. Dmitry led development of core cloud subsystems—Compute Node, scheduler, and HaaS—that enabled zero-downtime upgrades, live migration, NUMA-aware placement and automated cluster self-healing for hundreds of thousands of servers. A pragmatic open-source contributor, he has fixed subtle concurrency and failure-mode bugs in notable projects like Kazoo (Zookeeper client) and MongoEngine, and added tests and tooling to improve reliability. He pairs low-level knowledge (UNIX syscalls, hypervisors, RTOS) with DevOps and CI tooling, bringing an operator’s rigor to software design and deployment. Motivated by interesting distributed problems, he focuses on maintainable code and resilient architectures that prevent outage risk rather than merely reacting to it.
17 years of coding experience
9 years of employment as a software developer
Engineer's degree, Computer Systems and Networks, Engineer's degree, Computer Systems and Networks at Moscow Aviation Institute (National Research University)Certificate of Complete General Secondary Education, Secondary Education, Certificate of Complete General Secondary Education, Secondary Education at Secondary school 8 in Zhukovsky, Moscow Region, Russian Federation
Russian, English
Stackoverflow
26reputation
2kreached
1answer
0questions
Github Skills (15)
zoo10
locking10
apache-zookeeper10
orm10
mongodb10
python10
zookeeper10
concurrency10
mongodb-database10
pymongo10
testing10
databases9
database9
pipe6
xargs6
Programming languages (12)
Github contributions (5)
MongoEngine/mongoengine
Apr 2014 - Nov 2014
A Python Object-Document-Mapper for working with MongoDB
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 commits, 2 comments in 6 months
Contributions summary:Dmitry contributed to the core functionality of the mongoengine library, focusing on database interactions and object-document mapping. Their work included implementing and testing the `modify()` method, which provides find-and-modify-like behavior. They also addressed error handling within the `update()` method, ensuring correct exception raising for duplicate key errors. Furthermore, the user added and updated tests to validate these new features.
mongodb-ormpythonmongodocument-mapperpython3
python-zk/kazoo
Feb 2015 - Feb 2015
Kazoo is a high-level Python library that makes it easier to use Apache Zookeeper.
Role in this project:Back-end Developer
Back-end DeveloperContributions:13 commits, 2 PRs, 5 comments in 10 days
Contributions summary:Dmitry primarily focused on enhancing the `SetPartitioner` recipe within the Kazoo library, a Python library for Apache Zookeeper. They addressed critical issues related to connection state changes, particularly the handling of `KazooState.SUSPENDED`, and race conditions during lock acquisition. The user also contributed to testing infrastructure by adding methods to simulate connection loss and general improvements to existing partitioner tests.
python-librarypythonzookeeperhigh-levelapache-zookeeper
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