Rances Peña Full Stack Developer
Rances is a results-driven Computer Engineer with expertise in web and backend development, specializing in Angular, Node.js, and AWS services. With over 5 years of experience across diverse industries, he focuses on delivering scalable, high-performance solutions. His experience includes designing serverless architectures using AWS (Lambda, DynamoDB, Cognito), building reusable component libraries, and managing microservices. Rances is passionate about optimizing systems for performance and security and enjoys collaborating in Agile environments to deliver innovative, reliable products.
Certifications
Java
Java
11/26/2019
Tech stack
Java (2)
CSS (6)
Angular (6)
NPM (6)
SCSS (4)
Serverless (4)
eCommerce (4)
APIs (4)
Jest (4)
Amazon (4)
DynamoDB (4)
Git (3)
TypeScript (2)
Bootstrap (2)
DevOps (2)
Redux (2)
Jenkins (2)
React (1)
JavaScript (1)
SPA (1)
RxJS (1)
Experience
Full Stack DeveloperNaranja X
10/2021 - Currently

Frontend: • Angular 18: Designed and developed dynamic web applications, leveraging the latest Angular improvements for enhanced performance and user experience. • Signals: Managed reactive state, optimizing efficiency by reducing manual subscriptions. • SCSS: Improved maintainability and organization of CSS code using SCSS. • Storybook 6+: Created isolated components to facilitate development and documentation. • Nx Workspace: Managed multiple applications and shared libraries, optimizing workflow and architecture. • Jest: Developed unit and integration tests to ensure code quality. • Design patterns used: Data Access, Feature Modules, UI Components. Backend: • Utilized AWS Lambda, DynamoDB, and Cognito to optimize performance and cost-efficiency. • Worked with Amazon Cognito to implement custom flows and role-based access policies. • Employed the Serverless Framework for full lifecycle management of applications. • Developed backend solutions using Node.js.

Angular
CSS
Jest
DynamoDB
Serverless
eCommerce
APIs
NPM
Amazon
SCSS
Full Stack DeveloperRappiPay México
05/2021 - 10/2021

• Version Control: Git, Bitbucket, Jira • Frontend: Angular 11, Micro-Frontends with Single-SPA, Modern JavaScript, RxJS, Ngrx, Apollo Client • Backend: NestJS, Node.js, Express, GraphQL • Languages: TypeScript, ECMAScript • Styling: SASS, CSS, Bootstrap, Material UI • Tools: NPM

JavaScript
Git
Angular
CSS
RxJS
SPA
TypeScript
Senior Frontend DeveloperSwiss Medical Group
10/2020 - 05/2021

• Version Control: Git, SVN Tortoise • Frontend: React, CSS, Bootstrap, Material UI • Backend: Node.js, Express, Java 1.7, JBoss 6 • APIs: WS REST, SOAP Client • Languages: TypeScript, ECMAScript • DevOps: OpenShift, Docker • Tools: NPM

React
Java
Git
Angular JS DeveloperAccelOne
03/2019 - 07/2020

• Project: Correo Argentino • Version Control: Git • Frontend: Angular 6, NgRx (Redux), CSS, Bootstrap, Material UI • Backend: Node.js, WS REST • Languages: TypeScript, ECMAScript • DevOps: OpenShift, Jenkins • Tools: NPM

Java
Git
DevOps
Angular
CSS
TypeScript
NPM
Redux
Jenkins
Bootstrap
Education
Computer engineeringTerritorial Polytechnic University of the High Mirandinos "Cecilio Acosta"
02/2014 - 02/2016
Senior University Technician University Technological Institute of Industrial Administration
02/2010 - 02/2013