Antoine Alejandro, Developer in Hong Kong, Hong Kong
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Antoine Alejandro

Verified Expert  in Engineering

Full-stack Developer

Location
Hong Kong, Hong Kong
Toptal Member Since
March 1, 2022

Antoine is a senior technical leader and developer, passionate about IT and new technologies. Throughout his career, he has built products and developed projects for startups and larger companies across several industries such as military and defense, insurance, and even telecom.​ Skilled in several technologies, programming languages, and frameworks, like React, Vue.js, Node.js, Express.js, GraphQL, or AWS, Antoine can build anything clients desire that is web-related.

Portfolio

D-ASH
React, Node.js, Google Cloud Platform (GCP), Functions, Payment APIs...
PlayMFL
React, Node.js, Express.js, Next.js, Cadence, Serverless Framework, Docker...
Bread Elements
React, Node.js, Next.js, Leadership, HTML5, CSS3, Full-stack, REST APIs...

Experience

Availability

Part-time

Preferred Environment

MacOS, Linux

The most amazing...

...thing I've developed is an eCommerce platform to sell items during receptions.

Work Experience

Senior Software Engineer

2023 - PRESENT
D-ASH
  • Integrated the platform with our payment gateway provider (Global Payment).
  • Refactored the back-end application to use NestJS.
  • Designed and implemented the front-end web app using React.
Technologies: React, Node.js, Google Cloud Platform (GCP), Functions, Payment APIs, Payment Gateways, NestJS

Co-founder and Full-stack Developer

2022 - PRESENT
PlayMFL
  • Contributed to Metaverse Football League, a unique play-and-earn NFT football game and ecosystem.
  • Created a metaverse to play a football game, similar to Football Manager, on the blockchain.
  • Developed the back-end architecture using Next.js and Cadence; provided guidance and led other developers.
  • Constructed the front end of the application using React and led other developers.
Technologies: React, Node.js, Express.js, Next.js, Cadence, Serverless Framework, Docker, HTML5, CSS3, Web3.js, Jest, MongoDB, GitHub, SQL, MySQL, Full-stack, REST APIs, Serverless, Amazon Web Services (AWS), Git, CI/CD Pipelines, OAuth, Full-stack Development, Startups, Tailwind CSS, APIs, Microservices, Cloud

Senior Consultant | Tech Lead | Senior Developer

2022 - PRESENT
Bread Elements
  • Provided a technical review of the factory processes and technical infrastructure.
  • Took charge of the creation of the previous and next/reviewed technical architecture.
  • Contributed to the implementation of the previously created technical requirements.
Technologies: React, Node.js, Next.js, Leadership, HTML5, CSS3, Full-stack, REST APIs, Amazon Web Services (AWS), Git, CI/CD Pipelines, OAuth, Full-stack Development, OOP Designs, Shopify, Shopify API, APIs, Microservices, Cloud

Senior Front-end Developer

2020 - 2021
Bell Canada
  • Developed a truck tracker application so companies could follow their fleets.
  • Created a JSON form generator that generates a Vue.js/HTML form from a JSON object.
  • Built an internal library to harmonize every project within Bell Canada.
Technologies: JavaScript, HTML5, CSS3, Node.js, Vue, TypeScript, REST, Docker, Technical Leadership, Antd, Front-end, JSX, CSS, HTML, Web Development, MySQL, Full-stack, REST APIs, Git, NGINX, OOP Designs, APIs, Microservices, Cloud

Senior Full-stack Developer

2019 - 2020
Thales
  • Created a platform to manage in-flight ads for passengers.
  • Built a platform to create and share military tutorials.
  • Developed a hypovigilance tracker targeting pilots.
Technologies: JavaScript, React, Node.js, HTML5, CSS3, Express.js, TypeScript, REST, Docker, Technical Leadership, Front-end, Back-end, JSX, CSS, HTML, Redux, PostgreSQL, Redis, Web Development, MySQL, Full-stack, REST APIs, Serverless, Git, CI/CD Pipelines, Kubernetes, NGINX, OAuth, RabbitMQ, Full-stack Development, OOP Designs, Material UI, APIs, Microservices, Cloud

Technical Lead

2019 - 2019
Payzpot
  • Redefined the application architecture and integration.
  • Refactored and developed the new back-end microservices.
  • Integrated Square POS for different shops of a single event.
Technologies: HTML5, CSS3, JavaScript, React, Express.js, Node.js, GraphQL, AWS Lambda, REST, Technical Leadership, Front-end, Back-end, JSX, CSS, HTML, SQL, Web Development, MySQL, Full-stack, REST APIs, Amazon Web Services (AWS), Git, OAuth, Full-stack Development, Startups, APIs, Microservices, Cloud, Square Payment Gateway, Payment Gateways

Technical Lead

2016 - 2018
AXA Group
  • Supported and developed the web interface of P&C products.
  • Implemented Agile methodology, Kanban/Scrum boards, Scrum meetings, and sharing sessions.
  • Implemented DevOps tools: Atlassian suite, E2E testing, and code quality/coverage.
  • Trained the internal staff on the implemented techs.
Technologies: HTML5, CSS3, JavaScript, TypeScript, React, Express.js, Node.js, Docker, GraphQL, REST, Technical Leadership, Next.js, Front-end, Back-end, JSX, CSS, HTML, Redux, SQL, PostgreSQL, Redis, Web Development, MySQL, Full-stack, REST APIs, Git, CI/CD Pipelines, NGINX, OAuth, Full-stack Development, OOP Designs, State Machines, APIs, Microservices, Cloud, Apollo

Co-founder

2017 - 2017
LineMeUp
  • Developed the whole application—from the back to the front.
  • Used APIs to collect data from providers, such as NBA, Winamax, etc.
  • Integrated with the payment system using PayPal API.
  • Solved the line-ups creation using a linear algorithm solver library.
Technologies: HTML5, CSS3, React, Express.js, JavaScript, Node.js, REST, Technical Leadership, Antd, Front-end, Back-end, JSX, CSS, HTML, SQL, CTO, Web Development, MySQL, Full-stack, REST APIs, Amazon Web Services (AWS), Git, Full-stack Development, OOP Designs, Startups, APIs, Microservices, Cloud, NestJS

LineMeUp

LineMeUp is a startup that specializes in providing fantasy sports statistics for the NBA and soccer competitions.
Users select the players they want to be part of their team, and the algorithm will compute them and create the best team(s) based on the configuration they input.

PlayMFL

https://playmfl.com/
PlayMFL, Metaverse Football League, is a unique play-and-earn NFT Football game and ecosystem.

You'll be able to buy packs of cards and open them to receive a certain quantity of players, from common to legendary. Create your dream club. Scout, recruit, and train players to build the best team! Be the best manager. Find the best tactics to crush your opponents. Compete against others in leagues and tournaments to earn rewards. Sell your players or club to cash in.
2011 - 2014

Engineer's Degree in Mathematics and Computer Science

EFREI Paris Sud - Villejuif, France

SEPTEMBER 2021 - PRESENT

Amazon EC2 Master Class Certification (with Auto Scaling & Load Balancer)

Udemy

JULY 2017 - PRESENT

Professional Scrum Master I (PSM I)

Scrum.org

Libraries/APIs

Node.js, React, Antd, REST APIs, Vue, Web3.js, Shopify API

Tools

JSX, Git, NGINX, GitHub, RabbitMQ, CircleCI

Frameworks

Express.js, Next.js, Redux, Serverless Framework, Jest, Tailwind CSS, Material UI, NestJS

Languages

JavaScript, HTML5, CSS3, TypeScript, CSS, HTML, GraphQL, SQL

Paradigms

Agile, Microservices, REST

Storage

PostgreSQL, MySQL, Redis, MongoDB

Platforms

Amazon EC2, AWS Lambda, Amazon Web Services (AWS), Docker, Kubernetes, Shopify, Google Cloud Platform (GCP)

Other

Front-end, Back-end, Web Development, Full-stack, Serverless, Full-stack Development, APIs, Technical Leadership, CTO, CI/CD Pipelines, OAuth, OOP Designs, State Machines, Startups, Cloud, Apollo, AWS Auto Scaling, Load Balancers, Leadership, Cadence, ESLint, Artificial Intelligence (AI), Generative Pre-trained Transformers (GPT), OpenAI GPT-3 API, Generative Pre-trained Transformer 3 (GPT-3), OpenAI GPT-4 API, Functions, Payment APIs, Payment Gateways, Square Payment Gateway

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