freiberufler Blockchain | Full stack Entwickler auf freelance.de

Blockchain | Full stack Entwickler

offline
  • auf Anfrage
  • 50-120 Poland
  • auf Anfrage
  • en  |  zh
  • 11.08.2022

Kurzvorstellung

Ich bin ein Senior Blockchain und Full stack Entwickler mit fast 10 jährigen Erfahrungen.
Mir liegt Arbeitsmoral und pünktliche Termineinhaltung am Herzen.

Auszug Referenzen (2)

"J. is the most talented developer.
He really contributed many innovative solutions so we can make successful business.
High Recommended."
Lead Developer
Pavel Filippov
Tätigkeitszeitraum

3/2018 – 4/2022

Tätigkeitsbeschreibung

Project url : -Hyperlink entfernt-

Description: CryptoCurrency Lending Platform based on Score management system using NFT and Oracle

Tech-stack: Web (React.js / Typescript + Web3.js + Smart Contracts / Solidity / Hardhat + Oracle)

What I do: As a lead developer, I designed frontend based on past experience and top tech trend and developed with React.js.
And also I designed the Roci FI lending platform architecture and smart contract architecture from scratch focused on security and optimization.
I suggested to use Proxy and Storage logic for smart contract security improvement and integrated openzepplin to smart contract for security logic myself.
I also took part in smart contract development with contract developers for lending platform contract and developed NFT based User wallet score generate off-chain application using Oracle myself and integrate this into lending platform.

Eingesetzte Qualifikationen

Application Development

"He was always a hard worker and honest man.
If I had gave him some ideas or assignments, he surprised me by finishing them perfectly in a short time."
Lead Developer
Mykola Adeyev
Tätigkeitszeitraum

5/2016 – 12/2017

Tätigkeitsbeschreibung

found in reference description 1
Project url : -Hyperlink entfernt-

Mobile(iPhone): -Hyperlink entfernt-

Description: Marketplace and a telecommunications platform that offers paid video chat and voice calls using WebRTC with experts in any field

Tech-stack: Web (React.js / Next.js + Node.js + WebRTC + Zapier), Mobile (React Native)

What I do: As a frontend engineer, I upgraded the video call speed and quality by integrating new WebRTC library and implement blockchain tech based chat function for safety and private chat.
And I made Zapier app to integrate telmie platform chat and booking system with gmail and google calendar automatically.
And upgraded the metronic theme based frontend into React.js/Next.js based frontend and speeded up, optimized website.

Eingesetzte Qualifikationen

Application Development

Qualifikationen

  • Amazon Web Services (AWS)
  • HTML5 / Css3 / Javascript / Bootstarp / jQuery
  • MySQL / MongoDB / PostgreSQL
  • NFT minting / NFT marketplace / NFT staking
  • Node.js
  • PHP / Laravel / CI
  • Python / Django
  • React.js / Next.js, Vue.js / Nuxt.js, Web3.js
  • Responsive Webdesign
  • Smart contrat / Solidity / Rust

Projekt‐ & Berufserfahrung

Lead Developer
Roci Fi, Pittsburgh, Pennsylvania
3/2018 – 4/2022 (4 Jahre, 2 Monate)
IT & Entwicklung
Tätigkeitszeitraum

3/2018 – 4/2022

Tätigkeitsbeschreibung

Project url : -Hyperlink entfernt-

Description: CryptoCurrency Lending Platform based on Score management system using NFT and Oracle

Tech-stack: Web (React.js / Typescript + Web3.js + Smart Contracts / Solidity / Hardhat + Oracle)

What I do: As a lead developer, I designed frontend based on past experience and top tech trend and developed with React.js.
And also I designed the Roci FI lending platform architecture and smart contract architecture from scratch focused on security and optimization.
I suggested to use Proxy and Storage logic for smart contract security improvement and integrated openzepplin to smart contract for security logic myself.
I also took part in smart contract development with contract developers for lending platform contract and developed NFT based User wallet score generate off-chain application using Oracle myself and integrate this into lending platform.

Eingesetzte Qualifikationen

Application Development

Lead Developer
Telmie, London
5/2016 – 12/2017 (1 Jahr, 8 Monate)
IT & Entwicklung
Tätigkeitszeitraum

5/2016 – 12/2017

Tätigkeitsbeschreibung

found in reference description 1
Project url : -Hyperlink entfernt-

Mobile(iPhone): -Hyperlink entfernt-

Description: Marketplace and a telecommunications platform that offers paid video chat and voice calls using WebRTC with experts in any field

Tech-stack: Web (React.js / Next.js + Node.js + WebRTC + Zapier), Mobile (React Native)

What I do: As a frontend engineer, I upgraded the video call speed and quality by integrating new WebRTC library and implement blockchain tech based chat function for safety and private chat.
And I made Zapier app to integrate telmie platform chat and booking system with gmail and google calendar automatically.
And upgraded the metronic theme based frontend into React.js/Next.js based frontend and speeded up, optimized website.

Eingesetzte Qualifikationen

Application Development

Ausbildung

Informatik
Master of science
2016
Singapore University of Technology and Design

Über mich

Ich bin ein leitender Software-Ingenieur.
Als ein kollaborativer und qualifizierter Full-Stack-Entwickler mit mehr als 8 Jahren Berufserfahrung löse ich gerne schwierige Probleme.
Ich habe als Engine, Full-Stack-Entwickler und PM & CTO gearbeitet.

Weitere Kenntnisse

Master of Science in Informatik mit Schwerpunkt Blockchain und Cloud Computing.

Persönliche Daten

Sprache
  • Englisch (Muttersprache)
  • Chinesisch (Gut)
Reisebereitschaft
auf Anfrage
Arbeitserlaubnis
  • Europäische Union
  • Schweiz
  • Vereinigte Staaten von Amerika
Home-Office
unbedingt
Profilaufrufe
357
Alter
26
Berufserfahrung
11 Jahre und 3 Monate (seit 02/2013)
Projektleitung
6 Jahre

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