Lehel Kovach

About Me

I am a veteran software architect and engineer who began his career in 1998 with a vast skillset of of technologies across the stack in the spaces of online multiplayer gaming, social networking, video streaming/sharing, peer-to-peer technologies, Developer SDKs, scientific research, artificial intelligence, data mining/analysis and virtual reality systems. Besides engineering, I have experience in project management, internet marketing , software/game design, UI/UX development and graphic design. My strengths include being a quick study, which has provided me a lot of broad knowledge of different technologies over the years, my creativity and passion for invention which has allowed me to find better solutions to given systems and pioneer new software solutions to increase functionality and profitability. I work best in startup environments allowing me to wear many hats and invest myself in the success of the business. I have a business mind and entrepreneurial passion, constantly developing business plans and prototyping new app inventions as well as reading up on new technologies to know as much as I can about my field.

Resume created on DoYouBuzz

Experiences

March 2020-- September 2021
- Decreased latency to under 100ms for client video streams by utilizing WebRTC protocol and fine-tuning Wowza media services through Kubernetes clusters on Azure
- Added object-tracking for hand-gesture recognition in live video streams by combining Sagemaker custom labels with Google Media-pipe
- Developed highly accurate cyrptocurrency price prediction models using Python / Tensorflow on time-series data
2019
- Developed REST APIs using Python/Flask for backend of mobile applicaitons and React Native for app front-end
- Development of a mobile app, web app and backend tracking customer data using Meteor.js- Administration of deployed software on Google Compute Engine
2018
- Tuned PostgreSQL database for performance- Improved SQL queries for performance and scalability
- Developed mocha unit and integration tests to test web server
2016- 2017
- Developed Front-Ends using jQuery, Angular.js and React- Developed RESTful web services with Ruby on Rails, Django and Node.js

- Head of architecture and development of AI technology for drones
- Successfully prototyped technology and developed MVP using Tensorflow and genetic algorithms
- Developed 3D Simulated Environment for Drones using Unreal & Microsoft AirSim
Tech Stack: AWS, PostgreSQL. Redis, MongoDB, Node.js, Tensorflow (C++ and Python), AirSim, Unreal Engine, Matlab

- Successfully refactored core web service APIs to be to provide performance, scalability, security, RESTful standards.
- Redesigned the backend APIs into a microservice architecture with an API gateway employing technologies such as Websockets, RabbitMQ, Redis and Yeoman in order to scale the application.
- Worked with multiple databases including PostgreSQL, Solr, Redis and and Spark, aiding in supporting big data operations via MapReduce development Played an instrumental role in researching, designing and prototyping the 2.0 platform using open-source tools and modern development strategies

- Aided in overall design of technology
- Developed frontend components to the site using Angular.JS, Bootstrap and Jquery
- Aided in expanding RESTful web services in Node.JS/Express.JS
- Developed mocha unit and integration tests to test web server -
  Tuned PostgreSQL database for performance - Reviewed use of codebases and libraries in C++

- Developed RESTful API in Java/Hibernate/Swing
- Aided in moving JRE and other elements of the stack to Docker containers
- Assisted in developing/debugging native Android client
- Converted Maven build system to a continuous delivery system using Gradle
- Developed unit and integration tests in Mocha
- Improved SQL queries for performance and scalability

- Served as technical lead on porting client’s iOS app to native Android using Java.
- Developed tools in C++ for high-performance testing
- Spearheaded design and development of a Ajax-based live feed plugin for Wordpress
- Took lead position in prototyping and testing complex solutions for client requirements, including intranet and extranet development on the Wordpress platform
- Improved MySQL database performance through normalization of database

- Developed several scripts to process statistical data collected from experimental participants in order to calculate statistical significance of proposed hypotheses
- Performed independent research on visual and auditory perception, including softwarebased models such as neural networks, statistical learning algorithms, ngram analyses, speech recognition as well as natural language processing, perceptual learning systems involved in syntax recognition using C++ and Python
- Assisted in running participants through experiments, collecting data and troubleshooting software used
- Developed tools in MATLAB to process data for research lab
- Aided in analyzing of MRI data on human subjects, including finding correlations
  between regions of the cortex and cognitive processes
- Conducted academic research to aid principal investigator, including research on
  highrisk behaviors and the hypothesized systems of decisionmaking that humans
  undergo along with computer models based on human decisionmaking, evaluation of
  rewards over risk and how game theory applies
- Performed independent research on the cognitive processes involved in risky
  behavior and decisionmaking involved, as well as computer models of such cognitions

- Developed a networking library to be used with the multiplayer version of ReMission PC game * Developed tools and test software in .NET platform with C#
- Helped program components to inhouse projects and contracts
- Communicated with clients to plan out design documentation
- Helped design minigames for the CoolSchool game, including cowriting high level design documents for use by developers
- Helped design the functionality of the Bratz Photobooth application, authoring a highlevel design document and coordinating with development staff

- Integral component in development of Full Tilt Poker Beta
- Successfully managed development of a database used for a massive multiplayer online game
- Performed extensive development and performance optimizations for aforementioned database in Microsoft SQL Server
- Successfully developed an efficient updater tool for the game (C++)
- Fully architected and developed core functionality of the game's financial transaction and banking system between user's money accounts and the company's bank in C++ * Developed necessary tools and low-level libraries to solve major problems
- Renovated portions of the code-base (on both client and server) to optimize for speed of code execution and minimize bugs
- Designed and developed a suite of test and reporting tools written in C# in order to keep track of database queries and other metrics
- Aided in debugging and improving the network (client/server) code to improve performance
- Chiefly re-implemented database stored procedures and record saving/retrieval pipeline to increase game server performance

- Successfully designed, developed and launched the company's mission-critical, principal Internet software video streaming product, which met the objectives for user friendliness, economy, and attractiveness to the target market using languages such as C++, C#, Java and JavaScript.
- Developed a COM object to communicate between Blue Falcon Streamer and Radio Free Virgin's music player, resulting in a stronger partnership with the firm's major strategic customer.
- Developed the front-end for the Static Slingshot file-sharing program and software for chat applications, data transfer, synchronous/asynchronous messaging, multimedia streamers, peer to peer applications, client/server software, game networking software, GUIs, message relaying. - Designed and performed major development of a cross-platform multiplayer game engine including a cross-platform lowlevel API
- Designed and began development of a unique peer-to-peer file-sharing program
- Designed and developed an NPC (non-player character) AI engine with an extensive API for Neverwinter Nights
- Designed and performed major development of a module for Neverwinter Nights
- Developed business software, e-commerce portals, user interfaces, game networking interfaces and other TCP/IP driven network applications and plugins.
- Led a software engineering team in development of a very complex, first of its kind skinning ActiveX control for Windows applications.
- Performed .NET upgrades, server-side web development, configuration and implementation
- Built numerous cross-platform, reusable libraries for C++, file sharing, and computer game GUIs.

- Developed and enhanced database applications, Intranet back/front ends, and data warehousing system interfaced with web portals.
- Wrote stored procedures, web pages and financial reports for company Intranet, resulting in a significant increase executive information productivity and high demand for additional services.
- Managed IIS systems and wrote stress testing applications for use by the development team.
- Successfully developed full life-cycle software application projects from design to quality assurance for management software tools
- Aided in upgrading IT back-end systems, including database migration to newer versions of the company-wide database server

Skills

Database

Expert
Backend

Expert
System Design & Architecture

Advanced
Data Science and AI Systems

Advanced
Front-End

Advanced
System / Network Layer

Good
Management / Leadership

Good
Video/Media Streaming

Good
Security

Intermediate

Linux, Windows Server, AWS

Advanced
Windows Server

Advanced
Azure, Heroku

Advanced
Google Cloud

Good

C++, JavaScript, HTML/CSS

Expert
JavaScript

Expert
HTML/CSS

Advanced
Java, Python, SQL, C#, PHP

Advanced
Matlab, R

Good
Ruby, Solidity

Intermediate

SQL Server, PostgreSQL, MySQL

Expert
MongoDB, CosmoDB, DynamoDB

Good
Redis, Blockchain

Good
Neo4j

Intermediate
Cassandra

Notions

REST API, Node/Express, Node/Koa

Expert
Node.js / Express/ Koa

Advanced
Sockets, Server and P2P Node Engineering

Advanced
ASP.NET

Advanced
Websockets

Good
Microservices

Good
Docker

Good
Django, Flask, Ruby on Rails

Good
GraphQL

Intermediate
Kubernetes

Intermediate

React, React Native, Vue.js

Advanced
.NET / Windows SDK

Good
Angular, Android Native

Good
Photoshop, Illustrator

Good
iOS Native / Swift

Intermediate

Jupiter Notebooks

Expert
OpenCV, MediaPipe, Drake, YOLO, Object-Tracking, Time-Series Prediction Modeling, Recommenders, Classifiers, Object Detection, Labeling

Advanced
Sagemaker, Tensorflow

Good
NLP, DialogFlow, Comprehend, Spark

Good
Distributed Learning Systems

Intermediate

Education

Major: Cognitive Science
Minor: Computer Science
GPA 3.20

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Principal Software Architect

President / Chief Consultant

CTO / Chief Software Architect

Lead Back-End Software Engineer, Lead Security Analyst

Senior Full-Stack Engineer

Senior Software Engineer

CTO, Software Architect

Research Assistant

Network Game Programmer

Backend MMO Developer / Database Administrator

Principle Windows Engineer / Project Manager

Software Developer

Domains

Systems & Infrastructure

Programming Languages

Databases

Back-End

Front-End

AI & Data Science

Bachelor of Science

University of California, Los Angeles

Music