Pierre Symon Peralta

Senior Software Engineer (Frontend)

Summary

Frontend developer with 9.5 years of extensive experience of building web applications and tools from small to enterprise level organizations. Passionate about core web technologies, clean code, improving performance and best practices.

Skills

Core : JavaScript/TypeScript, NodeJS, HTML5, CSS/SASS, WebComponents

Tools: Webpack, Rollup, Vite, Lerna(Monorepo), TailwindCSS

Frameworks: ReactJS, NextJS, VueJS, Svelte, ExpressJS, Angular

Testing: Mocha, Karma, Chai, Sinon, Jest, WebdriverIO with Cucumber for BDD, BrowserStack

DevOps: Bamboo, Bitbucket, AWS(CloudFront, S3, Lambda), Azure Functions, Bash, Git

Currently Exploring: NextJS, Astro, Python, LLMs

Experiences

SGX Group (Singapore Exchange) - Assistant Vice President(Software Engineering) ( Jan 2022 - Present )

As a consultant under STEENBOK PTE LTD from ( Jan 2022 - Sept 2022 )

• Develop and maintain multiple web application for different business unit (sgx.com, sgxgroup.com, regco. sgx.com and internal web applications)
• Interact with different business units for requirements gathering and solutioning
• Build reusable components, tools and libraries with matching documentation to a standard which makes it quick and easy to adopt by different application
  • Core components, built on top of Web Components that is framework agnostic, used by different web apps accross the organization
  • An automation test framework, a cli tool which is a wrapper for WebdriverIO with built in Page Object models that is inline with our Core components
  • A custom build tool, inspired by create-react-app built on top webpack 5 that handles all complex configuration with custom loaders and plugins to cater specific application needs
• Design and develop API using serverless technologies such as AWS lambda and Azure Functions
• Implement partial server side rendering for SEO with the use of Cloudfront Lambda@Edge functions for SPA applications
• Collaborate with UX, Backend and DevOps engineers
• Working on building new component library with React/NextJS + Tailwind

Tech used: HTML5, CSS3, JavaScript, TypeScripts, Web Components, React, TailwindCSS, SASS, Webpack, HighCharts, WebdriverIO, Cucumber, Mocha, Chai, Sinon, NodeJS, Bash, AWS Services (CloudFront, S3, Lambda), Azure (Azure Functions, API Management), Lerna

Taiger - Staff Front-End Engineer ( Sept 2021 - Jan 2022 )

• Develop web based application that uses Generative AI, Deep Learning for Natural Language Processing
• Design and develop front end architecture and guidelines for all core products to enforce consistency for better development work flow
• Re factor and enhance existing code architecture for core products
• Implement various product customization based on client's design specifications
• Manage and setup CI/CD pipelines on Bamboo

Tech used: HTML5, CSS3, JavaScript, SASS, VueJS, Vuex, Jest, NodeJS, Bash

Maltem Consulting Group, Singapore - Software Consultant ( June 2017 - Sept 2021 )

Project 3 : Singapore Exchange Limited - Investment Holdings Company

Role: Front-End and Automation Engineer

• Develop reusable web components and libraries
• Develop and maintain inhouse automation testing framework that uses page object model to match inhouse web components
• Turn UI/UX prototypes into actual web applications
• Collaborate with back-end and DevOps engineers
• Interact with different business units for requirements gathering and solutioning

Tech used: HTML5, CSS3, JavaScript, Web Components, SASS, Webpack, WebdriverIO, Cucumber, Mocha, Chai, Sinon, NodeJS, Bash

Project 2: FreemanXP - Marketing Event Company

Role: Mobile App Developer

• Develop an event specific mobile app, to showcase the different venue of the Changi Terminal 4
• Create a dashboard site to show the number of visitors that participate to the event

Tech used: Ionic 2, RxJS

Project 1: Maltem Inc - Human Resource Management System

Role: Full-Stack Developer

• Develop an in house application to manage consultant profiles and administrative tasks
• Participate on requirements gathering and application solutioning phase

Tech used: Angular2, Bootstrap, NodeJS, ExpressJS, PostgreSQL

Accenture Inc, Philippines — Application Developer ( April 2015 - June 2017 )

Project 3: Global Coffee and Tea Company

Role: Front-End Developer

• Setup web pages using the Episerver CMS
• Develop and customize reusable widgets/components
• Manage SEO and Google Analytics setup

Tech used: HTML5, CSS3, JavaScript, Episerver

Project 2: Gaming Solution Company

Role: Front-End Developer

• Develop an online betting application for different kind of esports
• Provide maintenance support for some legacy applications

Tech used: NodeJS, AngularJS, jQuery, Bootstrap

Project 1 : Cloud Connect

Role: Associate Software Engineer

• Trained to setup financial entries for Oracle EBS applications
• Help to transferm data from Peoplesoft to Oracle Fusion Cloud
• Create optimized queries to improve migration process

Tech used: PLSQL

Endlessrise Inc. Philippines - Front End Developer ( Feb 2015 – March 2015 )

• Customize pages, themes and widgets for Wordpress application
• Ensure all the pages and widgets are responsive with the use of media queries
• Manage SEO and Google Analytics

Tech used: HTML5, CSS3, JavaScript, PHP, Wordpress

Education

Pambayang Dalubhasaan ng Marilao, Philippines

Bachelor of Science in Information Technology (BSIT)

Duration: June 2010 - April 2014

References

Upon Request