Lead Software Engineer
2015 - 2020OnyxCorp- Designed and developed a post-quantum safe secure messaging system that included: client framework, client applications, back end, and web portal management.
- Designed and integrated voice and video calls with WebRTC.
- Refactored legacy crypto code using the newest C++17 features, with full test coverage and a new build system with CMake and Conan.
- Added support to WebAssembly (Emscripten) to enable messaging applications to run in browsers.
- Mentored new team members, conducted technical webinars, and maintained detailed documentation.
Technologies: WebAssembly, WebRTC, Protobuf, Chromium, CMake, QML, JavaScript, Cryptography, Go, React, Qt, C++Freelance Software Engineer
2015 - 2015DreamFactory- Designed and developed .NET SDK for DreamFactory API: https://github.com/dreamfactorysoftware/.net-sdk.
Technologies: RESTful APIs, C#, .NETTechnical Lead
2014 - 2015Return On Intelligence- Designed and developed a web portal for employee benefits management (insurance, retirement, etc.).
- Introduced a web services mocking approach to ease local debugging and troubleshooting.
- Enabled automatic testing using Selenium. Implemented and enforced product quality tools.
- Dramatically improved corporate build and deployment strategy to minimize day-to-day efforts.
Technologies: Selenium, Mentorship, People Management, SonarQube, C#, Web Services, AngularJS, ASP.NETLead Application Developer
2013 - 2014Deutsche Bank AG- Designed and developed a metadata-driven framework for desktop interoperability and enabled several existing applications to use this framework. Currently all Autobahn software is using this framework called "synapse".
- Enhanced WPF applications (FX Trading) for investment banking in respect to performance, security, and code quality.
- Developed a number of WPF Controls (MVVM) for banking applications.
Technologies: Roslyn, Prism, Windows Presentation Foundation (WPF), .NET, C#Software Developer
2010 - 2012Microsoft Corporation- Developed a rapid data serialization SDK (similar to Google ProtoBuf), including the C# code generator for it: https://github.com/microsoft/bond.
- Developed an object-oriented logging framework (business data logging) for in-house cloud infrastructure, now used by AdCenter and Bing.
- Implemented a remote-procedure calls (RPC) engine and toolset for a brand new key-value store (NoSQL) currently used by Azure.
Technologies: Azure, MapReduce, C++, NoSQL, .NET, C#Senior Software Engineer
2009 - 2010EMC Corporation- Worked on a high-availability Linux-based cluster (HA), integrating and configuring Pacemaker for network-attached storage (NAS).
- Introduced cgroups feature usage to the HA cluster.
- Developed an out-of-memory (or overcommit) monitoring daemon in C.
Technologies: Pacemaker, Linux, C, C++, SUSESenior Software Engineer
2006 - 2009Motorola, Inc.- Worked on several Motorola mobile device platforms, implementing security features (JSR177), branding services (T-Mobile MyFaves), etc.
- Integrated Adobe Flash Lite player to the mainstream Motorola mobile platform (P2K). Collaborated with Adobe.
- Participated in AJAR mobile platform development.
- Developed a number of internal tools for embedded software development in C# and C++.
Technologies: J2ME, .NET, C++Senior Software Engineer
2002 - 2005The Institute of Telecommunications- Designed and developed a 3D engine for GIS (Geo informational services) in C++, STL, and OpenGL.
- Developed a cross-platform computational geometry math library in C++.
- Designed and built a full-featured application suite for manipulating GIS data.
- Programmed a large-images processing engine (satellite imagery) in C and C++.
Technologies: GIS, Qt, OpenGL, 3D Graphics, C++, C
Qt Developer in Saint Petersburg, Russia
Member since September 30, 2014
Andrei is a passionate full-stack software engineer with 20 years of experience who has worked for Microsoft, EMC, Motorola, Deutsche Bank, and other big-name brands. He has built a number of successful projects utilizing various software stacks, for mobile, desktop and web platforms. He is well versed in C++, C#, and JavaScript languages as well as the most in-demand frameworks, libraries, and tools.
Andrei is now available for hire
Portfolio
- OnyxCorpWebAssembly, WebRTC, Protobuf, Chromium, CMake, QML, JavaScript, Cryptography...
- DreamFactoryRESTful APIs, C#, .NET
- Return On IntelligenceSelenium, Mentorship, People Management, SonarQube, C#, Web Services...
Experience
- C 20 years
- C++ 20 years
- Qt 15 years
- Cryptography 10 years
- JavaScript 10 years
- React 2 years
- React Redux 2 years
- Go 1 year
Availability
Part-time
Preferred Environment
MacOS, Windows, Visual Studio, JetBrains
The most amazing...
...thing I've coded is a secure messaging platform.
Employment
Experience
- REVERSCREEN (Development)http://reverscreen.com/
Created a concept of a snipping tool that provides automatic object cropping by leveraging modern computer vision algorithms.
- DB Autobahn (Other amazing things)https://autobahn.db.com
Developed a family of UI products and worked in a team.
- Demoscene: 4k Intro (Development)http://www.pouet.net/prod.php?which=54415
Created a home-made project using C and OpenGL, in 4096 bytes.
- Sochi - 3D Engine for GIS (Other amazing things)http://www.youtube.com/watch?v=bNE4WX1v-W8#t=204
Developed a cross-platform 3D engine in C/C++ with OpenGL. It was used by Russian DoDF.
- Computational Geometry API for Nokia Gate5 GmbH (Development)http://www.youtube.com/watch?v=Yh1eUudkxgc
Designed and developed a computational geometry library for 2D/3D graphics, used in a fork of Nokia Maps.
- Autobahn Toolbar (Development)https://www.toolbar.autobahn.db.com
Implemented core functionality of the Toolbar, a central UX component used by many trading apps.
- .NET SDK for DreamFactory RESTful API (Development)https://github.com/dreamfactorysoftware/.net-sdk
Designed and developed .NET SDK v1 for DreamFactory.
- A Note-taking Application for BlackBerry 10 (Development)https://appworld.blackberry.com/webstore/content/59972037
Developed a Note-taking app, in his spare time, just for fun.
- Retirement Benefits Management Portal for Mercer.com (Other amazing things)
Collaborated to design and developed the complete web portal for mercer.com used by third parties to manage their employee benefits. Technologies used include .NET, SQL, and AngularJS.
- Route66: A Car Repair Shop (Web Application) (Development)https://github.com/pinebit/route66
Created a React web application using Redux, Node, Mongo, and Firebase.
- Vault (Development)https://github.com/pinebit/vault
Developed a tiny C++ library that manages password-protected files.
- React-cr (Development)https://github.com/pinebit/react-cr
A tiny library for conditional rendering in JSX.
- The Largest App (Development)https://github.com/pinebit/largestapp
Developed a desktop application for finding the largest files and folders using Qt5 (C++/QML).
- Jet Pipes (Development)https://github.com/pinebit/JetPipes
Created the pipes screensaver using Qt3D.
- The Missing Article About Qt Multithreading in C++ (Publication)C++ developers strive to build robust multithreaded applications, but multithreading was never an easy thing to do. In this article, Toptal Freelance Qt Developer Andrei Smirnov talks about several scenarios exploring concurrent programming with the Qt framework.
- A Vital Guide to Qmake (Publication)Qmake is a build system tool shipped with Qt library that simplifies the build process across different platforms. In this guide, Freelance Qt Developer Andrei Smirnov describes the most useful qmake features and provides real-world examples for each of them.
- How to Bootstrap and Create .NET Projects (Publication)To create a .NET project from scratch, simply using Visual Studio Wizard is good enough most of the time. However, the default project settings produced by wizards are hardly acceptable for professional teams, as they set too low of a bar on quality. In this article, Toptal Freelance Software Engineer Andrei Smirnov guides us through several standard practices, configuration files, and project settings every developer should apply when starting a new .NET project. Doing this in the very beginning of a project decreases future technical debt and makes product source code readable and professional-looking.
- Meet Bond, Microsoft Bond - A New Data Serialization Framework (Publication)Microsoft Bond is a modern data serialization framework. It provides powerful DSL and flexible protocols, code generators for C++ and C#, efficient protocol implementations for Windows, Linux, and Mac OS X. This article is a quick guide of the features and use of this framework.
- .NET Best Practices and Tips by Toptal Developers (Publication)This resource contains a collection of .NET best practices and tips provided by our Toptal network members.
Skills
Languages
C, QML, C++, JavaScript, C#, Go, UML, Visual Basic for Applications (VBA), Domain-specific Languages (DSLs), Python 3, DelphiFrameworks
Redux, .NET, Qt, Google Protocol Buffer, Windows Presentation Foundation (WPF), AngularJS, NUnit, ASP.NET Web API, Windows Communication Framework (WCF), Selenium, Chromium Embedded Framework (CEF), ASP.NETLibraries/APIs
React, Protobuf, React Redux, OpenGL, OpenSSL, Win32 API, ETW, WebRTC, jQueryTools
Stash, Jira, ReSharper, Microsoft Visual Studio, Git, TeamCity, TFS, MSBuild, Roslyn, CC.NET, SonarQube, CMake, Qmake, Prism, Pacemaker, JetBrains, Visual Studio, GISParadigms
Concurrent Programming, Unit Testing, Agile Software Development, Test-driven Development (TDD), REST, MapReducePlatforms
Windows, BlackBerry, Linux, J2ME, MacOS, Azure, Blockchain, Ethereum, Windows PhoneOther
Cryptography, IPC, 3D Graphics, Code Contracts, MSYS2, Web Services, RESTful APIs, Chromium, WebAssembly, People Management, Mentorship, Embedded SystemsStorage
NoSQL, Microsoft SQL Server, SQLite, SUSE, MySQL
Education
- Specialist degree in Engineering1996 - 2002Baltic State Technical University - Saint-Petersburg, Russia
