SUMMARY

•As a full-stack developer with * years of IT experience, I have strong system design experience and rich experience in Ruby, Rails, Python, and Java.

•Also has experience with strong REST APIs and guaranteed webSocket communication with React, Angular, Vue, etc.

•Developed and maintained RESTful APIs using Node.js and Express.js framework for a web application.

•Implemented authentication and authorization using JWT (JSON Web Tokens) for secure access to API endpoints.

•Designed and optimized database schema using MongoDB, including indexing and query optimization.

•Integrated third-party APIs (such as payment gateways or social media platforms) to enable additional functionality.

•Built background tasks and scheduled jobs using libraries like Celery or Redis Queue for processing heavy tasks asynchronously.

•Implemented caching mechanisms using tools like Redis to improve application performance.

•I hope to work in a company with a good strategy for long-term goals, experience with a professional team, and grow with the company

WORK EXPERIENCE

Full-Stack Developer (Manufacturing) September 2019 – Present Montreal, Canada

•Created a custom e-commerce platform using Django and PostgreSQL, handling user registration, product listing, and order management.

•Developed a real-time chat application using Socket.io and Node.js, allowing users to communicate in real time.

•Built a microservice architecture using Docker and Kubernetes, managing multiple services within a distributed system.

•Contributed to popular open-source projects by fixing bugs, adding new features, and improving documentation.

•Worked with version control systems like Git, using branching and merging strategies effectively.

•the PostgreSQL database, implemented authentication systems and integrated third-party APIs to enhance the application's functionality.

•I have worked on multiple projects involving Python. For instance, I developed a data processing pipeline that involved gathering data from multiple sources, cleaning it, and performing complex analysis using libraries like NumPy and Pandas. Additionally, I used Django to build RESTful APIs and create web applications with powerful features such as authentication, authorization, and user management.

•In a large-scale enterprise project, I utilized Java to develop a backend system that handled heavy concurrent traffic. I implemented robust functionality using Java's multithreading capabilities and designed modular components to ensure scalability. I also integrated with external APIs to fetch and process data, utilizing Java libraries such as Apache HttpClient.

•Experienced with multiple Blockchain Technology platforms

(Ethereum/BSC/Cosmos/Polygon/Ripple/Solana).

•Developing 20+ DApps using HTML5, CSS, JavaScript, Java, C++, C#, React.js, PHP, Angular, Node.js, and Web3.

•Participated in 3 NFT Marketplace development, and played an important role in development.

•Led 7 backend services and infrastructure successfully, to power core blockchain-based products Yutaka Yoshida

Full Stack Developer

adywwc@r.postjobfree.com

Montréal, QC, Canada

adywwc@r.postjobfree.com

Front-End Developer April 2014 – September 2019

Seattle, US

• Involved in developing server-side rendered (SSR) and statically generated web applications using Next.js. For instance, I developed a blog website using Next.js where pages were pre-rendered on the server, improving performance and search engine optimization.

•Played a key role in building robust and interactive web applications using Angular framework. For example, I developed a dashboard application using Angular, implementing features such as data visualization, user authentication, and integration with RESTful APIs.

•Utilized TypeScript to build type-safe and maintainable applications. For instance, I developed a large-scale enterprise application using TypeScript, leveraging its static typing features for improved code quality, refactoring, and error detection.

•Experienced in developing client-side logic and interactivity using JavaScript. For example, I enhanced an e-commerce website by implementing JavaScript functionality for dynamic product filtering, form validation, and interactive elements.

•Implemented real-time communication using WebSockets for applications requiring bidirectional communication. For instance, I developed a live chat application using WebSockets where users could exchange messages in real-time across multiple devices.

•AWS (Amazon Web Services) - Utilized various AWS services for cloud-based infrastructure and application deployment. For example, I deployed a scalable web application on AWS Elastic Beanstalk, utilizing AWS RDS for PostgreSQL as the database and configuring automatic scaling based on traffic.

•Worked extensively with PostgreSQL as a relational database management system for data storage and retrieval. For example, I designed and implemented a robust database schema in Postgres for a social media application, handling complex relationships and optimizing queries for performance. Web Developer April 2010 – April 2014 Levis, Canada

•Utilized PHP as a server-side scripting language for various web development projects. For instance, I built a custom content management system using PHP to manage website content, handle user authentication, and interact with a MySQL database.

•C++ - Worked extensively with C++ for developing performance-critical applications, such as games and embedded systems. For instance, I developed a real-time financial analysis tool in C++ that processed large amounts of market data and generated reports with minimal latency.

•Responsible for designing and implementing RESTful APIs for various applications, allowing seamless communication between different systems. For example, I created a REST API that allowed users to create, read, update, and delete data in a database by sending HTTP requests. EDUCATION

Bachelor of Computer Science 2010 Montreal, Quebec, Canada McGill University in Montreal, Quebec, Canada

LANGUAGES

English (Native or Bilingual Proficiency)

SKILLS

HTML/CSS/SCSS

React Native

Node.js

MySQL

JavaScript/TypeScript

GraphQL/Apollo

Angular

RestAPI

MongoDB

java

React.js

Vue.js

PHP

AWS

Python/Django/WordPress

Redux/Saga

Next.js

Laravel

Git/Jira

Go/Rust/Solidity

adywwc@r.postjobfree.com

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