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Renzo Caiña

Full Stack Software Developer


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EXPERIENCE


CoreCast image

Full Stack Software Engineer

Remote

CoreCast

May 2025 - Present

  • Built and refined frontend features using React, TypeScript, and Tailwind CSS, collaborating with UX design to deliver a polished UI and Excel-like data workflows.
  • Implemented backend REST API endpoints to power core application workflows, ensuring reliable data flow between frontend and backend services.
  • Integrated Stripe and Clerk, enabling secure authentication and payment workflows within the real estate management platform.
TypeScriptNext.jsTailwindCSSReactDrizzlePostgreSQLClerkStripeTanstackAG-GRIDJiraNeonFly.iopnpm

Renew Biotechnologies image

Full Stack Software Developer

Provo, UT

Renew Biotechnologies

August 2023 - April 2025

  • Developed and launched web applications supporting multiple biotech subsidiaries, including Wasatch BioLabs and Resonant, using shared AWS infrastructure for scalability and efficiency.
  • Collaborated with cross-functional teams across Wasatch and Resonant to define project requirements and scope, resulting in improved delivery timelines and clearer stakeholder communication.
  • Built and enhanced features to support billing workflows, integrating with Stripe for invoicing and improving internal processes for the billing team.

Frontline Alternative (FitSnitch App) image

Software Application Developer (Freelance)

Remote

  • Create mobile app (FitSnitch) for fitness trainers and trainees using React and Typescript for UI design.
  • Developed a serverless architecture using AWS services such as API Gateway, Lambda, and DynamoDB.
  • Implemented AWS Cognito for client side app authentication.
  • Update client side authentication from AWS Cognito to Firebase Authentication and include google log in integration.

Fiddle, Inc image

Junior Full Stack Software Developer

Provo, UT

Fiddle, Inc

June 2022 - July 2023

  • Develop new features and improve current UI and backend functionality by communicating with clients.
  • Analyze source code, locate and fix bugs throughout the app through testing and deliver a fixed solution.
  • Facilitate and schedule dev team meetings for updates, brainstorming, and accountability.

Fiddle, Inc image

Intern Full Stack Software Developer

Provo, UT

Fiddle, Inc

May 2021 - September 2021

  • Develop and maintain a new Fiddle app page and features backend using javascript on Nodejs.
  • Map backend request for login, sign up and other page data from MongoDB using graphQL.
  • Learn React and Typescript for front-end development.

Brigham Young University image

Windows Application Engineer

Provo, UT

Brigham Young University

Jan 2020 - August 2020

  • Manage multiple windows applications for the College of Life Sciences at BYU

Brigham Young University image

Linux Application Engineer

Provo, UT

Brigham Young University

Jan 2020 - August 2020

  • Learned the linux operating systems, softwares, and command line.
  • Manage multiple linux applications for the College of Life Sciences at BYU
  • In the process of solving software issues I have learned ansible and editing files using vim.

Brigham Young University, Center for Teaching & Learning image

Web Developer

Provo, UT

  • Developed and maintained the web application (Learning Suite) for BYU using HTML, CSS, JavaScript, PHP, and Mustache
  • Fix bugs to enabled educators and students to access their class grades and details.
  • Worked on both backend and frontend development using NetBeans as the IDE, along with WAMP, Docker servers, and Fiddler for testing and debugging.

PROJECTS


Ronin project image

Ronin

Ronin is a web application that allows users to create and manage their own personal budget. Inspired by my wife and I having a unique way to manage our finances and wanting to get away from using a spreadsheet. It is built with Next.js, TailwindCSS, and TypeScript.

T3-StackpnpmAuth.jsNext.jsTailwindCSSTypeScriptReactPrismaPostgreSQLNeonVercelTanstack

Demo Account Credentials

Email: demo@ronin.com

Password: demo123


Portfolio project image

Portfolio

My personal portfolio built with Next.js, TailwindCSS, and TypeScript.

Next.jsTailwindCSSTypeScriptVercelReactFramer MotionOpenAI APIVercel

Family Map project image

Family Map

Family Tree app for BYU CS 240. Automatically generates a family tree that is then viewable on a map with added filters of family details and connections. This project uses Java, Android Studio, and Google Maps API.

JavaAndroid StudioGoogle Maps API

WEBFLOW PROJECTS


Union Capital Ventures project image

Union Capital Ventures

A landing page website using Webflow for Union Capital Ventures, a venture capital firm that invests in early-stage startups.

WebflowFigma

Agave Paint & Epoxy project image

Agave Paint & Epoxy

A landing page website using Webflow for a paint and epoxy company.

WebflowCanva

EDUCATION


BYU Logo

Provo, UT

Bachelor of Science in Computer Science

August 2015 – April 2022

Minor in Business Management (2015–2019)

CS Building