Building scalable software for high-impact businesses.

My name is Juan Cisneros and I am a Senior Software Engineer specializing in mobile and web development. Focus on the result, not just the code.

Selected Work

Mobile and Tablet App

Mobile and Tablet App for TBR that allows users order food and drinks from their phone or tablet. It helps the restaurant to manage the orders and the delivery.

Flutter • Android • iOS • Firebase

Web App and Admin Panel

Restaurant Web App and Admin Panel for El Rey Johnstown restaurant. It allows users to order food and drinks from their phone or tablet. It helps the restaurant to manage the orders and the delivery.

Flutter • Android • iOS • Firebase

MyMediVault

MyMediVault is a mobile app that allows users to store their medical records and prescriptions in one place. It helps the users to have access to their medical records and prescriptions from anywhere and anytime.

Kotlin • Android • Firebase

About

I am a Senior Software Engineer with over 5 years of experience. Currently, I balance my role in enterprise software development with high-value consulting for international clients. I'm a full stack developer with a focus on mobile and web development. I'm a independent consultant with a focus on mobile and web development.

Kotlin, Android Native Flutter, iOS & Android Firebase, Cloud Functions React Native Node.js

Experience

Mobile Independent Consultant Part-time • 2020 - Present

Self-employed

Independent Software Consultant focused on building seamless multi-device experiences. I specialize in developing high-performance applications tailored for mobile and tablets, ensuring a consistent and robust presence on the web. My goal is to help clients bridge the gap between complex ideas and scalable digital products, delivering clean code and intuitive interfaces across all platforms.

Mobile Technical Lead Dec 2024 - Present
CEREBR4L ↗

A technology startup that offers its services to multiple companies. I'm working as an Senior Mobile Developer. I collaborate closely with different teams - including backend developers, UX designers, product owners, and DevOps - to ensure proper development and delivery of our products. My main responsibilities include developing new features, reviewing code from other developers, testing, and making sure we maintain high code quality.

Senior Mobile Developer Full-time • 2023 - 2024
Grupo Unicomer ↗

I contributed to the launch of the Emma that is a financial app enabling users to open credit lines that they can use to buy products in Unicomer stores, pay in affliate stores, and request cash advances. In charge of deploying the application to the Google Play Store in multiple countries such as Costa Rica, Ecuador and El Salvador with more than 1 million downloads. Android Team Lead in charge of communication with the different teams for proper development of the project.

Mobile Developer Full-time • 2020 - 2023
Qualitara ↗

Software development company which offers innovative software solutions to different companies around the world. In which I worked as an Android developer supporting different projects and gained extensive experience in developing diverse types of apps, from banks and financial institutions. One of the applications I worked on was Tarjeta One