Hello, I'm

Mark De Leon
Full Stack Web Developer

About

Professional Profile

Full Stack Software Engineer with 5+ years of experience specializing in Node.js and React.js. Skilled in API development, responsive front-end design, and server-side scripting. Proficient in PostgreSQL and MySQL database management and optimization. Strong collaborator with a track record of delivering comprehensive solutions that meet project requirements and enhance user experiences.

Skills

Just My Impressive Skills

Fueling my passion for innovation, I'm constantly on the quest to expand my skill set and elevate my craft, ensuring every application I create sets the bar for excellence.

Knowledge

  • RESTful APIs
  • Third Party Library Integration
  • Node.js
  • SQL
  • React.js
  • JavaScript
  • TypeScript
  • Git
  • CSS
  • HTML
  • Responsive Web Design

Portfolio

Why choose me?

Experience excellence in every project. With unwavering professionalism, I consistently deliver high-quality work, meeting deadlines with precision and dedication.

Jig - e-commmerce platform, Admin and Employee Portal

Full Stack Developer

  • an innovative online shopping platform designed to enhance the retail experience. This platform seamlessly integrates customer-facing features with robust administrative functionality to meet diverse business needs. For more information, visit the site at https://buildwithjig.com/
  • For Customers:
    Enjoy a streamlined shopping journey from discovery to secure checkout.
  • For Administrators:
    Access a comprehensive admin dashboard for seamless management of products, customers, and inventory. Utilize advanced reporting tools to gain valuable insights and optimize business operations.
  • For Employees:
    Enhance order fulfillment efficiency through a dedicated employee portal. Streamline packing processes and ensure timely delivery to maximize customer satisfaction.
  • Behind the Scenes:
    Benefit from robust background processes ensuring system maintenance and optimization, guaranteeing uninterrupted service and peak performance.

Technologies

  • Node.js
  • Knex.js
  • PostgreSQL
  • Stripe
  • React.js
  • Cloudflare Workers
  • HTML
Robot Sea Monster - Software Development Company Website

Full Stack Developer

  • A landing page, seamlessly integrated with a custom WordPress plugin developed by our team, elegantly showcases their portfolio with precision and sophistication.

Technologies

  • PHP
  • Wordpress
  • Javascript
  • Jquery
  • Bootstrap
  • HTML
Teamly - Project Management System

Full Stack Developer

  • Software-as-a-service solution, designed to elevate team collaboration and streamline work management. With seamless project and task management capabilities, teams can efficiently create projects, delegate tasks, set deadlines, and communicate effortlessly using the integrated team messenger

Technologies

  • MongoDB
  • ExpressJs
  • Angular8
  • NodeJs
  • Socket.IO
  • Firebase
  • Bootstrap
  • HTML
Mandy Boursicot Atelier - Art Workshop Portal

Full Stack Developer

  • A custom portal designed exclusively for a private art studio. Includes an immersive gallery showcasing the diverse artworks of both artists and students. Easily enroll in classes through the straightforward registration system, accessible via a user-friendly calendar. Plus, informative blogs for added insights and inspiration.

Technologies

  • PHP
  • Wordpress
  • Javascript
  • Jquery
  • Bootstrap
  • HTML
Timeless - Photography Website

Front End Developer

  • A photography website that serves as a comprehensive platform to showcase professional services and portfolio. Visitors can explore an extensive gallery displaying diverse photography work, including portraits, family pictures, and event coverage. The package page provides detailed information about offerings and pricing structures. Additionally, informational pages offer insights into the studio and team

Technologies

  • Javascript
  • Jquery
  • CSS
  • HTML

Experience

5+ years experience

I've honed my web and software development skills through diverse experiences across multiple companies. Each opportunity has contributed to my expertise, enriching my understanding of the industry and refining my capabilities

Autotelic

Full Stack Developer

Sept 2022 - Present
  • Architected and implemented robust back-end APIs for a multi-tenant online shop, optimizing product management, user administration, inventory control, reporting, tax, and price computations.
  • Integrated Stripe for secure payment processing.
  • Developed front-end features using React.js for the main product.
  • Assisted in developing an OAuth system for secure authentication.
  • Conducted database migrations to meet evolving needs.
  • Assisted users in migrating from legacy systems to newly developed software, ensuring a smooth transition.
  • Provided production database support, resolving issues to maintain system stability
  • Developed background jobs for maintenance tasks, ensuring system reliability and performance
  • Contributed as a key developer in transitioning from single-tenant to multi-tenant architecture, improving scalability and resource efficiency.
  • Leveraged technologies including Node.js, Knex.js, PostgreSQL, Stripe, React.js, Fastify, and Cloudflare Workers to build and maintain high-performance applications.
Upstream Tech

Freelance Full Stack Developer

Feb 2022 - July 2022
  • Developed integrations with Monday.com, HubSpot CRM, AirCall, and Clockify, enhancing system capabilities.
  • Designed front-end applications and web interfaces to improve user experience.
  • Collaborated with cross-functional teams to gather requirements and implement features
  • Used JavaScript, React.js, Node.js, and SDKs for seamless integrations and interactive interfaces
Robot Sea Monster

Freelance Full Stack Engineer

Jan 2021 - Sept 2021
  • Enhanced website functionality through WordPress plugin development and optimization
  • Developed browser-based games with React.js, HTML, and CSS

Freelance Full Stack Developer

2016 - 2019
  • Developed custom WordPress plugins using PHP and WordPress APIs
  • Created responsive web applications with HTML, CSS, and JavaScript
Emerson

Developer, CRM

Nov 2014 - Jan 2016
  • Designed and developed a Team Management System for efficient team member management.
  • Implemented new features for Oracle CRM on Demand using JavaScript, HTML, and CSS.
Accenture

Associate Software Engineer

May 2013 - Oct 2014
  • Implemented batch scripting to automate recurring tasks, managed server and database administration for reliability, performance, and security, and conducted routine maintenance and optimization to support business operations.
Nera Inc.

Internship

2012 - 2013
  • Assigned to monitor and maintain different batch scripts that are used in systems maintenance.

TRAININGS & Education

Just My Trainings & Education

My journey in programming commenced in 2008 when I pursued a Bachelor's Degree in Information Technology. Throughout my academic tenure, I delved into various programming languages, eventually gravitating towards web development. The process of crafting diverse projects during this period fueled my passion for honing my skills.

Post-graduation, I continued to expand my expertise through immersive training sessions provided by the companies I worked with. These experiences served as invaluable opportunities to deepen my understanding and refine my abilities in the field.

Accenture

Java Enterprise Edition Bootcamp

2014
Java basic to advanced - Spring and Struts frameworks.
Accenture

Oracle PeopleSoft Development Bootcamp

2013
Oracle PeopleSoft Development basic to advanced.
Adamson University

Bachelor of Science in Information Technology

2008 - 2013
Software Development Concepts and Practice: Studied a range of programming languages including Javascript, HTML, PHP, Visual Basic .Net, SQL and Assembly Language.
Meralco Foundation Inc.

Visual Basic.Net

2007
Visual Basic .Net Fundamentals to Advanced.

Contact

How can I help you?

I'm always available for projects that require web development skills. If you're in search of a full stack developer to handle your project, please don't hesitate to reach out.

Mark Gerhard De Leon

Unit 2, 5652, Killarney St., Vancouver, BC, V5R 3W2

Phone

+1 778 683 8578

Email

mark.gerhard.de.leon123@gmail.com

Drop me a line

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