Don Castillo

Experience

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  Lamb Weston

  May 2012 - Oct 2012

  General Laborer

  - Cleaned and sanitized work areas, machines, production equipment, and storage house- Trimmed and segregated bad products from good ones- Worked in the field to harvest crops needed for production

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  Department of Science and Technology Region 4A

  Apr 2014 - Jul 2014

  Communication Intern

  - Developed and produced promotional videos and print materials (e.g. brochures, posters) for mass dissemination- Conceptualized and provided layout for a coffee table book- Wrote audio-visual script for promotional videos

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  Fas Gas Plus

  Dec 2016 - May 2017

  Store Clerk

  - Processed cash and card payments in the front counter- Processed lottery tickets and prepaid cards- Supervised product deliveries and authorized bank checks and other payouts- Checked daily fuel dips and updated prices of product items

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  A1 Pizza

  May 2017 - Aug 2017

  Store Clerk

  - Received orders at the counter and through the telephone- Processed cash and card payment at the front counter- Prepared pizza boxes and packaged orders to be readied for pick-up or delivery

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  Tim Hortons

  Jan 2018 - Oct 2019

  Store Front Team Member

  - Makes and serves food and beverages to customers- Processes food orders and discount coupons

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  Lethbridge Food Bank

  Dec 2018 - Jun 2019

  IT Intern

  - Updated route images and route polygons on Google My Maps for route volunteer sign-up- Updated and improved the functionality of the home page and the volunteer sign-up page of the Target Hunger website- Tested the volunteer sign-up page and updated e-mail templates before the website launch- Managed volunteer database and monitored email log to ensure volunteers receive confirmation emails- Provided support to volunteers about their registration and communicate regularly to other interns Show less

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  Tangle Media

  Feb 2019 - now

  Junior Web Developer

  - Performed troubleshooting activities and fulfilled update requests on the front-end and back-end of the clients' websites and the company's CMS called Telegraph.- Created web responsive business and e-commerce websites using the Hugo framework as per the proposed webpage layouts. - Setup user-friendly CMS for the websites using the git-based CMS for Hugo called Forestry.- Improved websites' SEO.- Participated in agile (scrum) project management practices.- Currently working on the company's REST-based internal invoice management system using the Laravel framework.- Technology used: HTML, CSS, JQuery, Javascript, PHP, MySQL Show less

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  The University of Lethbridge

  May 2023 - now

  Assistant Researcher - Mobile Application Developer

  - Developed a cross-platform, offline-first mobile application using React Native and Expo framework for Android and iOS users, maintaining an average of 60 active monthly users.- Implemented multilingual, context-based, and age-appropriate interfaces for child, adolescent, and parent app users from 16 participating countries speaking 18 languages.- Implemented online and offline submissions of user responses through RESTful API.- Optimized app performance through efficient memory management, utilization of local storage, and maintaining a reduced size of the assets.- Deployed the app on Google Playstore and Apple Appstore with subsequent biweekly updates utilizing agile development practices and semantic versioning to manage app versions.- Configured a backend admin portal app to store and manage data collected from the app securely.- Conducted iterative closed and internal testing of the app for 30 to 40 remote testers.- Provided technical support for stakeholders through email, video tutorials, and demonstrations. Show less