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Martun Karapetyan
Verified Expert in Engineering
Algorithms Developer
Yerevan, Armenia
Toptal member since September 11, 2017
Bio
Martun has over eleven years of experience as a software engineer, mainly working on algorithm-heavy applications with C++. He's worked for notable companies like Google and Mentor Graphics and has successfully delivered several challenging freelance projects. He loves innovating and delivering incredible products with the highest code quality. Martun communicates exceptionally well and does his best to over-deliver on every project.
Portfolio
American University of Armenia
Python, C#, Crypto++, C++
American University of Armenia
Object-oriented Design (OOD), Algorithms
Alteryx - Engines
C++, Multithreading, Algorithms, CMake, GitLab CI/CD...
Experience
- Algorithms - 10 years
- Linux - 10 years
- C++ - 9 years
- Object-oriented Design (OOD) - 7 years
- NoSQL - 2 years
- C# - 2 years
- Python 3 - 2 years
- MongoDB - 2 years
Preferred Environment
Git, Qt, Linux, Vim Text Editor, Windows, Visual Studio
The most amazing...
...project I've collaborated on is a poker strategy software that is able to play champion level Texas Hold'em poker using reinforcement learning.
Work Experience
Senior Cryptography Researcher
2016 - PRESENT
American University of Armenia
- Conducted deep research in several areas of cryptography as a part of a team of researchers.
- Tested developed algorithms for security.
- Implemented novel cryptographic schemes for performance testing.
- Led the effort of younger team members—directing their research.
Technologies: Python, C#, Crypto++, C++
Lecturer
2016 - PRESENT
American University of Armenia
- Lectured on the class Advanced Object Oriented Design to graduate students.
- Lectured on the class Introduction to Algorithms to undergraduate students.
- Checked homework and exams; held problem-solving sessions.
Technologies: Object-oriented Design (OOD), Algorithms
C++ Developer (Ukrainian or Russian speaking preferred)
2021 - 2022
Alteryx - Engines
- Participated in developing several new features of the AMP engine as a part of the Engine team.
- Tracked and fixed bugs related to the engine found both by test and users.
- Organized the development processes used by the company.
Technologies: C++, Multithreading, Algorithms, CMake, GitLab CI/CD, Test-driven Development (TDD)
Machine Learning Engineer
2019 - 2020
SuperAnnotate
- Managed active learning algorithms for segmentation, classification, human pose estimation, and object detection.
- Collaborated on moving the Dexter algorithm to TensorFlow.
- Created an Unet based building detection model for faster spatial image annotation.
Technologies: Python 3, PyTorch, Machine Learning, Image Processing
Software Engineer
2014 - 2016
- Worked on the YouTube Content ID team.
- Developed features related to YouTube monetization.
- Developed features related to claiming.
- Helped to build some classifiers.
Technologies: Google Cloud Spanner, BigTable, Python, Java, C++
Software Engineer
2013 - 2014
Freelance Work
- Development of a musical notes application.
- Built software to view and edit musical notes.
- Developed the transposition of musical notes.
- Led the effort to integrate features into applications running on several platforms.
Technologies: C#, C++
Cryptography Research Assistant
2013 - 2013
American University of Armenia
- Created novel white-box algorithms.
- Conducted scientific research on cryptography and security analysis of algorithms.
- Implemented invented systems with C++ for performance testing.
Technologies: Crypto++, C++
AI Researcher | Developer with C++
2012 - 2013
Freelance Work
- Led a team of 3 to research and develop a poker-playing AI engine.
- Researched existing machine learning algorithms for poker.
- Implemented a poker strategy software.
- Tested the maintenance of created software.
Technologies: Python, Boost, C#, C++
Software Engineer
2010 - 2012
Mentor Graphics
- Worked on different EDA tools developed by the company.
- Added support for an OASIS integrated circuit format to IC Station.
- Helped improve the different features of IC Station's schematic editor.
- Developed needed tests and reviewed teammates' code.
Technologies: Boost, C++
Junior Software Engineer
2010 - 2010
Instigate Design
- Worked on several small projects.
- Integrated VP8 video codec into one of company's products.
- Developed a QT application for trading.
- Wrote required tests following the instructions of my team lead.
Technologies: Qt, Java, C++
Experience
GitHub Link
https://github.com/martunYou can find several open-source projects that were developed by me in my GitHub account.
Adding OASIS Format Support to the IC Station and Schematic Editor
While working for Mentor Graphics, I was involved in adding OASIS file support to several EDA tools including the IC Station and Schematic Editor. OASIS is a more compact version of the industry standard GDSII format.
YouTube Monetization
While working for Google, I was involved in building and improving the video monetization and claiming features of YouTube.
AI Based Poker-Playing Software
While working for a freelance client, I led a team of four in building an AI poker-playing engine. The whole project was built from scratch using C++, including card clustering, hand strength, the Nash equilibrium training algorithm, and opponent modeling. At the end of the project, the system was able to play champion-level Texas hold'em poker.
White-Box Encryption Based on SAFER+
I led a scientific team of cryptographers in building a white-box implementation of a SAFER+ encryption algorithm. Extensive research was done and a C++ implementation was provided. The novel cryptosystem was then sold to Samsung to be patented.
Musical Notes Application
While working for a freelance client, I worked as part of the team which was building a musical notes application. The app was able to run on a web page, desktop computer, and mobile—providing the ability to the users to get musical notes for popular songs, then edit and mix them.
Education
2014 - 2017
PhD Degree in Cryptography
Armenian National Academy of Sciences - Yerevan, Aremenia
2012 - 2014
Master's Degree in Computer Science
American University of Armenia - Yerevan, Aremenia
2008 - 2012
Bachelor's Degree in Informatics and Applied Mathematics
Yerevan State University - Yerevan, Aremenia
Skills
Libraries/APIs
Crypto++, PyTorch
Tools
Visual Studio, Vim Text Editor, Git, CMake, GitLab CI/CD
Languages
C++, C#, Python, Python 3, Java
Paradigms
Object-oriented Design (OOD), Test-driven Development (TDD)
Platforms
Blockchain, Windows, Linux
Storage
Database Modeling, MySQL, MongoDB, NoSQL, PostgreSQL, BigTable, Google Cloud Spanner
Frameworks
Boost, Qt
Other
Data Structures, Algorithms, Cryptography, Machine Learning, Image Processing, Multithreading
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