§ 03 About

About.

Software engineer in Magdeburg, Germany. Rust at Qdrant. Graphics engines in a previous life.

I work on the Qdrant Core team, where I built the GPU-accelerated HNSW indexing shipped in Qdrant 1.13. The trick is borrowed from real-time graphics — pipelines, GPU memory, embarrassingly parallel work — and reapplied to approximate nearest neighbor search.

Before vector search I spent a decade in C++: graphics-engine internals at Wargaming, VR and computer vision for flight simulators at Eagle Dynamics, cross-platform infrastructure for a video conferencing app at ScienceSoft. Earlier still, scientific software in Delphi for ACD/Labs.

I write Rust day-to-day now, but still think in graphics primitives. If a problem is bandwidth-bound or embarrassingly parallel, I’ll probably reach for the GPU first.

§ Experience

1. Software Engineer · Qdrant

   2022 — present · Rust

   Core team on the open-source vector search engine. Built the GPU-accelerated HNSW indexing feature shipped in Qdrant 1.13 — bringing real-time-graphics techniques into approximate nearest neighbor search.

2. C++ Developer · ScienceSoft

   2019 — 2022 · C++

   Cross-platform infrastructure for a Skype-like video conferencing app (Android, iOS, Windows, macOS, Linux). RPC over djinni, boost-based filesystem and HTTP client, distributed unit tests, crash reporting, log libraries.

3. Render Developer · Wargaming

   2017 — 2019 · C++ · graphics

   Graphics-engine internals: texture and mesh streaming caches, terrain decals, LOD improvements, vehicle customization shaders, GPU-simulated ropes (compute shaders), particle instancing.

4. C++ Developer · Eagle Dynamics

   2015 — 2017 · C++ · VR · CV

   Virtual reality system for flight simulators (DCS World). Computer-vision algorithms compensating for spherical aberration. Domain-specific graphics engine for QR-code rendering. Plugins, admin panel on C# / WinForms.

5. Delphi Developer · ACD/Labs

   2013 — 2014 · Delphi

   Spectroscopy, spectrometry, and chromatography software. Crash-report investigation, support for new 1D/2D spectrum formats from Magritek hardware spectrometers.

§ Projects

• RedLilium Rust · WebAssembly ↗

  A custom game and graphics engine written in Rust. Native and WebAssembly builds, ECS, modular crates.

§ Talks

• GPU-Accelerated HNSW Vector Indexing Vector Space Talks #023 ↗

§ Contact

Email

pleshkov.ivan@gmail.com

GitHub

@IvanPleshkov

LinkedIn

ivan-pleshkov

Telegram

@ivan_pleshkov