John Kosinski's Location
New York, New York, United States, United States
John Kosinski's Contact Details
John Kosinski personal email
- Valid
About John Kosinski
Software Architect, Developer, Leader- Smart contracts, Defi, Gamefi on EVM and non-EVM chains - Algorithmic trading, traditional and crypto markets- Data science and statistical analysis Ethereum, Solana, Sui, BSC, Tron, and more C/C++, C#, Typescript/JS, Python, and many more
John Kosinski's Current Company Details
Hamza Labs Ltd
CTO | Software Engineer | Blockchain | Algorithmic Trading | Data Science
John Kosinski Work Experience Details
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Chief Technology OfficerHamza Labs Ltd Jan 2024 - PresentHamza, the World's First DeCom Marketplace: https://hamza.markethttps://blog.hamza.market
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Defi ArchitectStream Finance Dec 2022 - Mar 2023- Architected and developed a dApp, one of the first of its kind, that allows users to buy into a US Treasury Bond fund on the blockchain. Launched on BSC and Ethereum blockchains. Won the race to market before competitors.- Architected and developed a secure off-chain system to automate vault sweeps and other processes related to the Treasury Bond vault systems.- Conducted technical research to assess the feasibility of various potential automated hedge fund strategies in the blockchain space.- Implemented rigorous testing and security for on-chain blockchain products.
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Startup R&DAxiomsys Nov 2022 - Feb 2023- Planned and estimated project packages for non-fungible and fungible token development, front-end minting and administration websites with React, and security audits of smart contracts.- Researched, planned, and presented the integration of fungible and non-fungible tokens with the Unity game engine back end of a well-known online meeting venue.- Contacted, vetted, and interviewed blockchain developers, laying the foundations for an elite international team of blockchain warriors.- Developed, planned, and documented a methodology for security audits of smart contracts.Provided expert technical consultation during sales meetings.
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Web3 DeveloperGarbles Labs Jan 2022 - May 2022- Ported the Typescript SDK for well-known Solana market maker Orca Whirlpools to C#/.NET for use in Unity Game Engine and made it open for community usage. - Developed the SDK for .NET, refactored as necessary, and added a suite of automated tests to ensure its quality.
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C++ Defect ManagementAlteryx Jan 2018 - Jan 2022Irvine, California, Us- Resolved customer and in-house defects in the software's main back-end C++ engine, using C++ 11 on both Windows and Linux platforms.- Developed new features for the software's main back-end C++ engine, using C++ 11 on both Windows and Linux platforms as part of a team of developers.- Fixed some of the most long-standing and challenging defects in the software; thoroughly documented the root causes and implemented testing to prevent recurrence.- Managed the defect lifecycle, interfacing with other teams for information and assistance when needed. -
Iot EngineerJaber Medical Jan 2018 - Feb 2019- Developed ESP8266 and ESP32 hardware prototype for a unique and proprietary hospital emergency room communications system. The prototype included IR, wifi, and RFID chip scanner. - Architected and developed embedded networked software for the ESP32/ESP8266 for the hardware prototype, with Arduino and RTOS in C, interacting with wifi, IR, and RFID readers. - Researched and made decisions and tradeoffs regarding software and hardware requirements, working closely with the client to meet their needs.
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Iot R&DFutronix Usa Feb 2017 - May 2018Client provides home lighting automation systems, solutions and applications. Worked remotely from Chiang Mai, TH.Platforms: AWS IoT, ESP8266, Arduino IDE, Amazon Alexa, MQTT, WebSocketsLanguages: Embedded C/C++ Final goal of the application is to bring the company’s existing lighting/dimming system into the world of IoT/SmartHome by connecting it to voice activation using an Amazon Alexa device (Echo, Dot, etc.) I have programmed the ESP8266 chip on the Arduino IDE, connected it on one end to Amazon’s IoT cloud, and on the other end to the existing lighting chips via RS485 and IR signals. Since reliable and well-tested TLSv1.2 libraries do not yet exist for ESP8266, securing the communication with AWS is a special challenge. -
Senior Xamarin DeveloperAquamonix Nov 2016 - Jan 2018Sydney, New South Wales, Au- Developed from scratch a Xamarin iOS application that controls large-scale SCADA irrigation systems via a Java middle tier.- Built the MVP's architecture and prepared a plan to facilitate cross-platform ports.- Created a tight system of synchronizing long-running tasks with the server side across multiple connections or app sessions. -
Alexa SkillSterling Vc Jan 2017 - Dec 2017Developed and published an Alexa skill that queries sports news for New York sports teams, and serves the results as audio and/or video. Includes administrative back-end.
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Freelance DeveloperPairtradefinder Jan 2016 - Jan 2017Worked remotely to make some improvements and expansions to widely used stock analysis software. Improvements include improvements to analysis algorithms, and connection to new data sources.
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Freelance DeveloperDoor3 Aug 2014 - Jun 2016New York, Ny, UsWorked as part of an excellent team to develop a Webby-award winning IOS e-commerce application in Xamarin/IOS. -
Team LeaderManao Software 2012 - Aug 2014
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Freelance DeveloperDoor3 2014 - 2014
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Senior DeveloperSecurity Software 2012 - 2012
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Software Development ManagerHoteltravel Ltd. May 2010 - 2012
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Senior Software DeveloperMorgan Stanley 2007 - 2009New York, Ny, Us -
Senior Software DeveloperBraveline Technology 2003 - 2007
John Kosinski Skills
X86 Assembly
C/c++ Stl
C#
Java
Perl
Visual Basic
Vb.net
Visual C++
Asp
Asp.net
Ajax
Com+
Eclipse
Visual Studio
.net
Microsoft Sql Server
Software Development
Asp.net Mvc
Programming
Software Project Management
Agile Methodologies
Web Development
Jquery
Web Services
Architecture
Sql
Iis
Xml
Javascript
Mysql
Scrum
Web Applications
E Commerce
Management
Html
Project Management
Mobile Applications
Team Leadership
Internet Information Services
Visual Basic .net
.net Framework
Cloud Computing
Algorithms
Object Oriented Programming
Trading
Machine Learning
Node.js
Blockchain
C++
Ethereum
Amazon Web Services
Smart Contracts
Internet Of Things
Python
Esp8266
Mongodb
John Kosinski Education Details
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University Of DelawareComputer Science
Frequently Asked Questions about John Kosinski
What company does John Kosinski work for?
John Kosinski works for Hamza Labs Ltd
What is John Kosinski's role at the current company?
John Kosinski's current role is CTO | Software Engineer | Blockchain | Algorithmic Trading | Data Science.
What is John Kosinski's email address?
John Kosinski's email address is j.****@****ail.com
What schools did John Kosinski attend?
John Kosinski attended University Of Delaware.
What skills is John Kosinski known for?
John Kosinski has skills like X86 Assembly, C/c++ Stl, C#, Java, Perl, Visual Basic, Vb.net, Visual C++, Asp, Asp.net, Ajax, Com+.
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