Igor Kaplounenko

senior software engineer

Python C++

Veteran backend software engineer with an emphasis on machine learning – microservices, tooling, and Cython/CPython extensions for machine learning frameworks.

author of pytest-patch and modulemeta

https://github.com/IcarusMJ12

icarus.aquinas.mj12@gmail.com

Special Qualifications

Languages

Python with Tornado, Flask + Connexion, FastAPI
C++17 with STL and Boost
CoffeeScript, LiveScript, JavaScript with React or Vue

Other Technologies

TensorFlow, neon, nGraph
OpenAPI
elliptic curve cryptography, NaCl
SQLite, MySQL, PostgreSQL, Redis
AWS S3, EC2, Lambda
Docker, Kubernetes
Linux, FreeBSD
Git

Work Experience

2020-2023: Senior Software Engineer at Lambda Labs

Maintained the web store that sells machine learning computers ranging from laptops to rackmount servers. (Python, PostgreSQL, JavaScript)
Liaised with the sale and finance teams to extend the store with new features.
Refactored the codebase and extended it with tests, style checks, and type hints. (Python, pytest, mypy, Nox)
Designed and implemented a customizable web-based GUI wrapper for arbitrary command line tools on behalf of South Park Studios that was used for their deepfake YouTube series. (LiveScript, Vue, Pug)
Implemented lambda cloud monitoring. (AWS Lambda, Python)
Implemented the DGX store pages. (JavaScript)
Added minor features to the Deep Learning as a Service cloud platform. (Elixir)

2016-2020: Cloud Software Engineer at Nervana / Intel

Designed and implemented a profiler for Intel’s proprietary machine learning chip. (C++17)
Designed and implemented a microservice for hosting AI chip profiling data. (Python, Flask, Connexion)
Provided mentoring for a couple of interns.
Contributed to the NGraph TensorFlow bridge, including porting to OS X, refactoring, implementation of various operations, pip packaging, and the C/C++ API. (Cython, C++11)
Contributed to the Machine Learning Toolkit, primarily by refactoring the CLI to automatically load argparse commands from modules via metaclasses. (Python)
Designed and implemented a service and a client library for neural network hyperparameter optimization and experiment tracking, intended to interface with the like of SigOpt and MOE. (Python, Flask, Connexion)
Contributed to the deep learning neon framework and associated web services for deep learning in the cloud, particularly CLI refactoring, 100% unit test code coverage, launcher consolidation for different types of jobs, and a multitude of bug fixes. (Python, Flask, Kubernetes)

2015-2016: Software Engineer at Hipmunk

Designed and implemented an admin panel for managing server alerters for PagerDuty. (Python, Tornado, CoffeeScript, React, Lodash, Bootstrap)
Implemented a bot detection system that uses browser profiling and geoIP tracking to tarpit and feed fake data to bots. (Python, Tornado)
Interfaced with Qatar’s flight search API. (Python, Tornado)
Implemented the second version of the United Airlines’ booking API. (Python, Tornado)
Implemented the generation of booking links from Sabre travel network’s API. (Python, Tornado)

2012-2015: Python Developer at BitTorrent, Inc.

Designed and implemented a UDP distributed share server to provide an API for uTorrent clients to help seed pieces of large torrents. (Python, Tornado)
Implemented the distributed share API on the uTorrent side. (C++)
As part of the uTorrent Core team, helped fix bugs in the uTorrent codebase. (C++)
Implemented features for the SoShare product on both client and server-side. (C++, JavaScript, Python, Tornado)
Was one of the core contributors to the daemon component of the chat client Bleep, which functions as a SIP server with a cryptography layer. (C++11, NaCl, curve25519, ed25519, SQLite)
As part of an Agile team, worked on a number of features and bug fixes in Bleep on Windows, Android, OS X, and iOS.
Served in a rotation as a Scrum Master.

2010-2012: Senior Software Engineer at Sony Network Entertainment, Inc.

Implemented a simulator of a PSN video store and was responsible for extending it with prototypal functionality. This was showcased at E3. (Python, Tornado)

2008-2010: Software Engineer at Skiff, LLC

Designed and implemented a WebKit plugin for mp3 audio playback on our embedded device. (ALSA, MPG123, C, C++)
Ported frotz (a Z-Machine implementation) to an embedded device and implemented a WebKit plugin to interface with it. (C++)
Designed and developed a New York Times crossword engine. (JavaScript)
Engineered a library to dynamically insert ads into publications as they are displayed. (C++, SQLite)
Debugged third party Linux drivers that would cause the system to intermittently hang during boot. (C)
Ported OProfile to our particular architecture and added support for hardware timers. (C)

2008: Lead Software Engineer at Genesis Interactive

Designed and implemented two server-side applications that poll third party APIs for information and make it accessible to the client-side app over HTTP. (Python)
Wrote an administrative API plugin for Openfire XMPP server that allows remote user management and administration.
Designed and implemented a RESTful API that interfaces a client-side application with a variety of third party services.
Wrote a variety of server administration-related scripts. (bash, Python)
Wrote an LDAP login module for Bugzilla. (Perl)
Installed, configured, and administrated sendmail, Subversion, Bugzilla, Twiki, OpenLDAP, and integrated them together.
Set up Nagios and wrote monitoring scripts for NRPE. (bash, Python)
Set up and administrated Amazon EC2 servers as well as all in-house servers, running a selection of Fedora Core 7, Gentoo, and FreeBSD.

2007-2008: Software Engineer at Yahoo

Yahoo Photos

Designed and implemented a distributed web API for the transfer of Yahoo Photos metadata to affiliates. (C++, MySQL)
Implemented the logic for the user landing page for Yahoo Photos migration.
Troubleshot a variety of problems with the pre-existing internal photos API. (C++)
Designed and implemented monitoring solutions for Yahoo Photos migration servers. (bash, MySQL)
Designed and implemented a customer care tool for YPhotos accounts.
Designed and implemented a landing page internationalization tool. (Python)
Designed and implemented bulk account information retrieval tools. (bash, C++)

Yahoo Messenger

Designed and implemented an XML API to serve widget metadata to Yahoo Messenger widgets.
Designed database schema for storing widget metadata. (MySQL)

2006-2007: Software Engineer at AnchorFree

Designed and implemented a buffered HTML parser and editor to be used as a proxy module. (C, JavaScript)
Designed and implemented a URL redirector to be used as a proxy module. (C)
Tweaked and optimized an existing proxy. (C)
Designed and implemented a collection of device registration and monitoring tools. (C, perl, bash)
Ported TCL and Expect libraries to the mips/mipsel architecture.
Designed and developed a remote administration tool based on inverse SSH to enable administration of routers used inside LANs. (C, bash)

Personal Projects

pytest-patch: An automagic patch fixture that can monkeypatch objects directly or by name. (Python)
modulemeta: A Module metaclass to turn your classes into modules. (Python); For committed developers, or at least those who definitely ought to be.
BetterHotkeys: A mod for the indie game Barotrauma, currently with over 1200 subscribers. (C#)
ebb: The Expressly Better Bencoder! (C++11, Boost PP); Used internally at BitTorrent, this is a heavily template-based header-only library that simplifies encoding data into a JSON-like format. Bdecoding is also supported and is functional for straightforward data structures.
bevel: A multitool for commandline processing of bencoded entities with grep- and sed-like functionality. (Python); Also used internally at BitTorrent for viewing and editing bencoded entities either manually or in a scripted environment.
dualshock.pd: A Pure Data extension that captures Sony DualShock controller input and translates it into human-usable form. (C++); Comes with a rudimentary AM/FM synthesizer, a duophonic synthesizer, a noise synthesizer, and a drumkit.

Education

Major: Bachelor of Arts in Mathematics-Computer Science at the University of California San Diego
Minor: Interdisciplinary Computing and the Arts with Music emphasis

references available upon request