Software Engineer at DragonflyDB August 2022 - July 2024

Multithreaded asynchronous Redis replacement written in C++

• Second core contributor with over 350 commits
• Extensively optimized, refactored and extended the transactional framework
• Developed tiered SSD storage functionality with async direct I/O
• Implemented structured and vector search modules
• Worked on the first version of master-slave replication
• Engaged with community, wrote articles, responded to production incidents and fixed bugs
• Implemented integration testing utilities for load generation and internal tooling (python, go)

Internship at Yandex May - September 2021

Yandex.Maps team responsible for public transport navigation

• Updated MapReduce algorithms for closest station computations running on millions of objects
• Implemented algorithms for bus route change detection and route estimation
• Helped maintain utility libraries and internal services

Occasional open source contributions 2022

• Maintaining my own two Go small libraries: Redis steams-to-channels

and a universal struct mapper

• Added a cache size limiter with automatic eviction to Fiber

• Hand optimized x86 compiler builtins (memcpy and memset) for wazero

- a wasm runtime
• Implemented asynchronous shader compilation for Magnum

- a C++ graphics library
• Added optimistic locking and embedded structs to Rel

- a Go ORM
• Wrote a small article about ray-tracing with Rust

Hi! I'm Vladislav Oleshko