INTRODUCE
Hi, I am
Shinya Watanabe
"Where Technology Meets the Sky"
I design and code beautifully simple things and
i love what i do.
Just simple like that!



YEARS OF
EXPERIENCE
projects completed on
5 countries
PROJECT COMPLETED ON
15 COUNTRIES
ABOUT
Every great developer begin with
an even better story
Every great design begin with an even better story
SENIOR BLOCKCHAIN DEVELOPER with over 9 years of experience in the software development industry.
1.Experienced Senior Blockchain Developer proficient in JavaScript, Golang, and Python. Skilled in smart contracts, DeFI projects, and both front-end and back-end development. Seeking a role to shape the future of the financial system. Committed to delivering top-quality work and building enduring client partnerships.
2.My motto is 'To contribute to your business as much as possible!'
Since beginning my journey as a freelance
designer nearly 8 years ago, I've done remote
work for agencies, consulted for startups, and
collaborated with talented people to create
digital products for both business and
consumer use. I'm quietly confident, naturally
curious, and perpetually working on improving
my chopsone design problem at a time.
RESUME
Professional Experience
Senior Blockchain Developer
株式会社AgentStock Sep/2023 – Present
As a blockchain developer, I specialized in utilizing a diverse tech stack that included Next.js, Tailwind CSS, Solidity, Rust, Anchor, Hardhat, GraphQL, PostgreSQL, Web3.js, and Ethers.js for various blockchains such as Polygon, Solana, and Ethereum. My expertise was instrumental in contributing to both frontend and backend development for blockchain projects. I collaborated with my team using Jira for seamless teamwork and leveraged GitHub for version control.
Senior Blockchain Developer
株式会社AgentStock Sep/2023 – Present
As a blockchain developer, I specialized in utilizing a diverse tech stack that included Next.js, Tailwind CSS, Solidity, Rust, Anchor, Hardhat, GraphQL, PostgreSQL, Web3.js, and Ethers.js for various blockchains such as Polygon, Solana, and Ethereum. My expertise was instrumental in contributing to both frontend and backend development for blockchain projects. I collaborated with my team using Jira for seamless teamwork and leveraged GitHub for version control.
Senior Blockchain Developer
株式会社AgentStock Sep/2023 – Present
As a blockchain developer, I specialized in utilizing a diverse tech stack that included Next.js, Tailwind CSS, Solidity, Rust, Anchor, Hardhat, GraphQL, PostgreSQL, Web3.js, and Ethers.js for various blockchains such as Polygon, Solana, and Ethereum. My expertise was instrumental in contributing to both frontend and backend development for blockchain projects. I collaborated with my team using Jira for seamless teamwork and leveraged GitHub for version control.
Senior Blockchain Developer
株式会社AgentStock Sep/2023 – Present
As a blockchain developer, I specialized in utilizing a diverse tech stack that included Next.js, Tailwind CSS, Solidity, Rust, Anchor, Hardhat, GraphQL, PostgreSQL, Web3.js, and Ethers.js for various blockchains such as Polygon, Solana, and Ethereum. My expertise was instrumental in contributing to both frontend and backend development for blockchain projects. I collaborated with my team using Jira for seamless teamwork and leveraged GitHub for version control.
Full Stack Developer
Partners IT Group Apr/2024 – Aug/2024
Developed a comprehensive e-commerce website for Partners IT Group. The project included scraping data from specific websites, importing it into the site, creating custom filters, attaching user guides, creating a landing page for echoArray, and developing solution-specific landing pages.
Created a user-friendly echoArray landing page with integrated filter options and ensured it was accessible under the "Solutions" tab.
Optimized all content for SEO and performance, including image optimization and compliance with data security and privacy regulations.
Finally, configured and tested payment gateways to ensure smooth transactions.
Full Stack Developer
Partners IT Group Apr/2024 – Aug/2024
Developed a comprehensive e-commerce website for Partners IT Group. The project included scraping data from specific websites, importing it into the site, creating custom filters, attaching user guides, creating a landing page for echoArray, and developing solution-specific landing pages.
Created a user-friendly echoArray landing page with integrated filter options and ensured it was accessible under the "Solutions" tab.
Optimized all content for SEO and performance, including image optimization and compliance with data security and privacy regulations.
Finally, configured and tested payment gateways to ensure smooth transactions.
Full Stack Developer
Partners IT Group Apr/2024 – Aug/2024
Developed a comprehensive e-commerce website for Partners IT Group. The project included scraping data from specific websites, importing it into the site, creating custom filters, attaching user guides, creating a landing page for echoArray, and developing solution-specific landing pages.
Created a user-friendly echoArray landing page with integrated filter options and ensured it was accessible under the "Solutions" tab.
Optimized all content for SEO and performance, including image optimization and compliance with data security and privacy regulations.
Finally, configured and tested payment gateways to ensure smooth transactions.
Full Stack Developer
Partners IT Group Apr/2024 – Aug/2024
Developed a comprehensive e-commerce website for Partners IT Group. The project included scraping data from specific websites, importing it into the site, creating custom filters, attaching user guides, creating a landing page for echoArray, and developing solution-specific landing pages.
Created a user-friendly echoArray landing page with integrated filter options and ensured it was accessible under the "Solutions" tab.
Optimized all content for SEO and performance, including image optimization and compliance with data security and privacy regulations.
Finally, configured and tested payment gateways to ensure smooth transactions.
Blockchain Developer
Tier-Line Sep/2021 – Feb/2024
Spearheaded the development of a user-friendly web interface for the DEX platform utilizing Next.JS, ensuring seamless navigation and optimal user experience.
Engineered the backend infrastructure using Solidity smart contracts and Subgraph to facilitate efficient and secure transactions on the Etherem blockchain.
Leveraged Redux for robust state management, integrated Tailwind CSS and Material UI (MUI) for sophisticated UI styling, enhancing the platform's visual appeal and functionality.
Conducted comprehensive testing of the web interface using the Jest testing framework to ensure reliability, performance, and adherence to project requirements.
Blockchain Developer
Tier-Line Sep/2021 – Feb/2024
Spearheaded the development of a user-friendly web interface for the DEX platform utilizing Next.JS, ensuring seamless navigation and optimal user experience.
Engineered the backend infrastructure using Solidity smart contracts and Subgraph to facilitate efficient and secure transactions on the Etherem blockchain.
Leveraged Redux for robust state management, integrated Tailwind CSS and Material UI (MUI) for sophisticated UI styling, enhancing the platform's visual appeal and functionality.
Conducted comprehensive testing of the web interface using the Jest testing framework to ensure reliability, performance, and adherence to project requirements.
Blockchain Developer
Tier-Line Sep/2021 – Feb/2024
Spearheaded the development of a user-friendly web interface for the DEX platform utilizing Next.JS, ensuring seamless navigation and optimal user experience.
Engineered the backend infrastructure using Solidity smart contracts and Subgraph to facilitate efficient and secure transactions on the Etherem blockchain.
Leveraged Redux for robust state management, integrated Tailwind CSS and Material UI (MUI) for sophisticated UI styling, enhancing the platform's visual appeal and functionality.
Conducted comprehensive testing of the web interface using the Jest testing framework to ensure reliability, performance, and adherence to project requirements.
Blockchain Developer
Tier-Line Sep/2021 – Feb/2024
Spearheaded the development of a user-friendly web interface for the DEX platform utilizing Next.JS, ensuring seamless navigation and optimal user experience.
Engineered the backend infrastructure using Solidity smart contracts and Subgraph to facilitate efficient and secure transactions on the Etherem blockchain.
Leveraged Redux for robust state management, integrated Tailwind CSS and Material UI (MUI) for sophisticated UI styling, enhancing the platform's visual appeal and functionality.
Conducted comprehensive testing of the web interface using the Jest testing framework to ensure reliability, performance, and adherence to project requirements.
Junior Software Developer
SIAN May/2017 – Aug/2021
Designed and developed 2 Python-based automation tools, resulting in a 30% increase in team productivity.
Enhanced user experience and reduced page load times by 25% through contributions to frontend and backend development of 4 web applications.
Played a key role in developing a data-driven web application using Python and the Flask framework, which processed over 5000 data points daily and improved data analysis efficiency by 40%.
Utilized agile software development methodologies and project management tools to successfully deliver 3 projects ahead of schedule, meeting all key milestones and achieving a customer satisfaction rating of 90%.
Achieved the Employee of the Month Award once for successfully completing 3 assigned projects within budget and schedule.
Junior Software Developer
SIAN May/2017 – Aug/2021
Designed and developed 2 Python-based automation tools, resulting in a 30% increase in team productivity.
Enhanced user experience and reduced page load times by 25% through contributions to frontend and backend development of 4 web applications.
Played a key role in developing a data-driven web application using Python and the Flask framework, which processed over 5000 data points daily and improved data analysis efficiency by 40%.
Utilized agile software development methodologies and project management tools to successfully deliver 3 projects ahead of schedule, meeting all key milestones and achieving a customer satisfaction rating of 90%.
Achieved the Employee of the Month Award once for successfully completing 3 assigned projects within budget and schedule.
Junior Software Developer
SIAN May/2017 – Aug/2021
Designed and developed 2 Python-based automation tools, resulting in a 30% increase in team productivity.
Enhanced user experience and reduced page load times by 25% through contributions to frontend and backend development of 4 web applications.
Played a key role in developing a data-driven web application using Python and the Flask framework, which processed over 5000 data points daily and improved data analysis efficiency by 40%.
Utilized agile software development methodologies and project management tools to successfully deliver 3 projects ahead of schedule, meeting all key milestones and achieving a customer satisfaction rating of 90%.
Achieved the Employee of the Month Award once for successfully completing 3 assigned projects within budget and schedule.
Junior Software Developer
SIAN May/2017 – Aug/2021
Designed and developed 2 Python-based automation tools, resulting in a 30% increase in team productivity.
Enhanced user experience and reduced page load times by 25% through contributions to frontend and backend development of 4 web applications.
Played a key role in developing a data-driven web application using Python and the Flask framework, which processed over 5000 data points daily and improved data analysis efficiency by 40%.
Utilized agile software development methodologies and project management tools to successfully deliver 3 projects ahead of schedule, meeting all key milestones and achieving a customer satisfaction rating of 90%.
Achieved the Employee of the Month Award once for successfully completing 3 assigned projects within budget and schedule.
Frontend Developer
SIAN Jul/2013 – Apr/2017
I contributed significantly to the development of a sophisticated e-commerce marketplace for a prominent Japanese client by using the MERN stack to build a scalable platform capable of handling millions of users and products. I also integrated a variety of Japanese payment methods, incorporated a user-friendly React-based frontend.
Utilized Git and GitHub for version control and collaborated with team members on codebase management.
Real-time Analytics Dashboard: I led the development of a real-time analytics dashboard for another client, utilizing MERN stack technologies. The dashboard provided critical insights for monitoring website traffic and user behavior, helping the client make data-driven decisions for their Japanese market expansion.
Frontend Developer
SIAN Jul/2013 – Apr/2017
I contributed significantly to the development of a sophisticated e-commerce marketplace for a prominent Japanese client by using the MERN stack to build a scalable platform capable of handling millions of users and products. I also integrated a variety of Japanese payment methods, incorporated a user-friendly React-based frontend.
Utilized Git and GitHub for version control and collaborated with team members on codebase management.
Real-time Analytics Dashboard: I led the development of a real-time analytics dashboard for another client, utilizing MERN stack technologies. The dashboard provided critical insights for monitoring website traffic and user behavior, helping the client make data-driven decisions for their Japanese market expansion.
Frontend Developer
SIAN Jul/2013 – Apr/2017
I contributed significantly to the development of a sophisticated e-commerce marketplace for a prominent Japanese client by using the MERN stack to build a scalable platform capable of handling millions of users and products. I also integrated a variety of Japanese payment methods, incorporated a user-friendly React-based frontend.
Utilized Git and GitHub for version control and collaborated with team members on codebase management.
Real-time Analytics Dashboard: I led the development of a real-time analytics dashboard for another client, utilizing MERN stack technologies. The dashboard provided critical insights for monitoring website traffic and user behavior, helping the client make data-driven decisions for their Japanese market expansion.
Frontend Developer
SIAN Jul/2013 – Apr/2017
I contributed significantly to the development of a sophisticated e-commerce marketplace for a prominent Japanese client by using the MERN stack to build a scalable platform capable of handling millions of users and products. I also integrated a variety of Japanese payment methods, incorporated a user-friendly React-based frontend.
Utilized Git and GitHub for version control and collaborated with team members on codebase management.
Real-time Analytics Dashboard: I led the development of a real-time analytics dashboard for another client, utilizing MERN stack technologies. The dashboard provided critical insights for monitoring website traffic and user behavior, helping the client make data-driven decisions for their Japanese market expansion.
Education
Bachelor of Business Administration (BBA)
Bachelor Of Computer Science (BCS)
Konan University
Bachelor of Business Administration (BBA)
Bachelor Of Computer Science (BCS)
Konan University
Bachelor of Business Administration (BBA)
Bachelor Of Computer Science (BCS)
Konan University
Bachelor of Business Administration (BBA)
Bachelor Of Computer Science (BCS)
Konan University
SERVICES
Services
• Web Development
I build various system and sites with MERN, Python, Django and CMS.
21 Projects
• Software/Blockchain Development
I developed automation tools with Python, Selenium, OpenCV, OCR, Django, ChatGPT and Machine Learning
12 Projects
• SEO/Marketing Tool Development
I build various Shopping Tool such as automatic listing, scraping tools, inventory link system, management tool and etc, on Amazon, eBay, Base, Wowma, Taobao, Tmall and 1688 etc by using Python, Selenium, various API and etc.
32 Projects
SKILLS
My Skills

Expert
Web3

Expert
Web3

Expert
Web3

Expert
Solidity

Expert
Solidity

Expert
Solidity

Expert
Next

Expert
Next

Expert
Next

Expert
React

Expert
React

Expert
React

Expert
Solana

Expert
Solana

Expert
Solana

Expert
Golang

Expert
Golang

Expert
Golang

Proficient
Rust

Proficient
Rust

Proficient
Rust

Expert
TypeScript

Expert
TypeScript

Expert
TypeScript

Expert
Python

Expert
Python

Expert
Python

Expert
Vue

Expert
Vue

Expert
Vue

Proficient
Java

Proficient
Java

Proficient
Java

Proficient
Node

Proficient
Node

Proficient
Node

Expert
github

Expert
github

Expert
github

Expert
PostgreSQL

Expert
PostgreSQL

Expert
PostgreSQL

Proficient
AWS

Proficient
AWS

Proficient
AWS

Expert
MongoDB

Expert
MongoDB

Expert
MongoDB

Expert
GraphQL

Expert
GraphQL

Expert
GraphQL

Expert
Hardhat

Expert
Hardhat

Expert
Hardhat

Expert
TailwindCSS

Expert
TailwindCSS

Expert
TailwindCSS

Expert
C/C++

Expert
C/C++

Expert
C/C++
PORTFOLIO
Previous Project

Solidity
DApp Development
Samrt Contract
Dice Betting DAPP

NFT
DApp Development
Samrt Contract
Minting DAPP

Web3.js
Smart Contract
Solidity
Token Swaping DAPP

Web3.js
Smart Contract
Solidity
Bureau - Architecture Studio Website

Solidity
NFT
Samrt Contract
Knights Of Chain NFT

Solidity
NFT
Samrt Contract
Bureau - Architecture Studio Website

Solidity
NFT
Samrt Contract
NFT Marketplace

Solidity
NFT
Samrt Contract
Bureau - Architecture Studio Website

Solidity
NFT
Samrt Contract
NFT Marketplace

Solidity
NFT
Samrt Contract
Bureau - Architecture Studio Website

Solidity
DApp Development
Samrt Contract
Decentralized Mail system

Solidity
DApp Development
Samrt Contract
Bureau - Architecture Studio Website

Blockchain Architecture
DApp Development
Solidity
Token Staking DAPP

Blockchain Architecture
DApp Development
Solidity
Bureau - Architecture Studio Website

Blockchain Architecture
DApp Development
Smart Contract
PATCAT

Blockchain Architecture
DApp Development
Smart Contract
Bureau - Architecture Studio Website

Staking
Presale
Airdrop
Presale & Staking DAPP

Staking
Presale
Airdrop
Bureau - Architecture Studio Website

Smart Contract
DApp Development
Solidity
Staking DAPP

Smart Contract
DApp Development
Solidity
Bureau - Architecture Studio Website

Solidity
DApp Development
Samrt Contract
Dice Betting DAPP

Solidity
DApp Development
Samrt Contract
Bureau - Architecture Studio Website

Ethereum
DApp Development
Solidity
Dead Dino NFT | Automatic Yield ERC-20 Tokens

Ethereum
DApp Development
Solidity
Bureau - Architecture Studio Website

Smart Contract
Web3.js
Solidity
NFT Token Gated Access

Smart Contract
Web3.js
Solidity
Bureau - Architecture Studio Website

Python
OCR
Data analysis
Game Data Analysis Automation Tool

Python
OCR
Data analysis
Bureau - Architecture Studio Website

Flask
Selenium
Automation listing tool

Flask
Selenium
Moonex Wordpress Theme

Pytorch
Python
Flask
Auto Masking API

Webflow
React
Vue
Education system for KiIDS

Webflow
React
Vue
Bureau - Architecture Studio Website

MQL4
Django
Python
Metatrader

MQL4
Django
Python
Bureau - Architecture Studio Website

Staking
Presale
Airdrop
Presale & Staking DAPP
TESTOMONIAL

Eiken Kitaro
CEO of lki-iko Co., Ltd.
“Shinya - A Developer with the creativity, professional and
master of code. Much more than what i'm expect. High
quality product & flexiable price. Recommended!.”
Project
1
/
3

Eiken Kitaro
CEO of lki-iko Co., Ltd.
“Shinya - A Developer with the creativity, professional and
master of code. Much more than what i'm expect. High
quality product & flexiable price. Recommended!.”
Project
1
/
3

Eiken Kitaro
CEO of lki-iko Co., Ltd.
“Shinya - A Developer with the creativity, professional and
master of code. Much more than what i'm expect. High
quality product & flexiable price. Recommended!.”
Project
1
/
3

Eiken Kitaro
CEO of lki-iko Co., Ltd.
“Shinya - A Developer with the creativity, professional and
master of code. Much more than what i'm expect. High
quality product & flexiable price. Recommended!.”
Project
1
/
3