Gastón Saillen

Co-Founder

Cordoba, Córdoba, Argentina7 yrs 5 mos experience
Most Likely To SwitchHighly Stable

Key Highlights

  • Over 10 years of experience in Android development.
  • Google Developer Expert in Android and Firebase.
  • Led modernization initiatives reducing technical debt significantly.
Stackforce AI infers this person is a SaaS-focused Android Engineer with extensive experience in mobile application development.

Contact

Skills

Core Skills

Android SdkRelease ManagementSoftware ArchitectureArtificial IntelligenceConsulting Services

Other Skills

CI/CDKotlinJetpack ComposeGradleAndroidGitArchitectureUser ExperienceApplication EngineeringAndroid JetpackFirebaseMapsGoogle MapsContinuous Integration and Continuous Delivery (CI/CD)JFrog

About

I’m a passionate Software Engineer from Córdoba, Argentina, with over 10 years of experience creating mobile applications, especially for Android. I thrive on fresh ideas and enjoy collaborating with diverse teams to build something great together. As a Google Developer Expert (GDE) in Android and Firebase, I’m always excited to learn, stay up to date with new technologies, and apply them to real-world projects. Right now, I’m fully immersed in Android development, where I focus on writing clean, efficient code and implementing best practices to create robust, long-lasting solutions. Every project is an opportunity to grow and make a meaningful impact.

Experience

7 yrs 5 mos
Total Experience
2 yrs 3 mos
Average Tenure
5 yrs 7 mos
Current Experience

Onelead ai

Cofundador

Dec 2024Dec 2025 · 1 yr · Аргентина · Remote

  • As a co-founder of OneLead.ai, we are revolutionizing the way real estate agencies manage their leads. We have developed specialized intelligent agents for lead filtering and processing, optimizing the capture of potential clients for the real estate sector.
  • Our mission is clear: to free up real estate agents from repetitive and time-consuming tasks, such as initial lead qualification. Through advanced data analysis and intelligent processing, we handle the identification of the most interested and qualified clients, ensuring that real estate agencies only focus on high-value opportunities. This not only drastically reduces wasted time but also results in a significant increase in sales.
  • At OneLead.ai, we transform leads into clients, allowing real estate agencies to scale their business with efficiency and precision.
Artificial IntelligenceUser Experience

Henry

Consultor independiente

Dec 2024Mar 2025 · 3 mos · Remote

  • I provided Android consulting services for Henry, assisting in curating content and enriching topics related to Android development. My role involved addressing doubts, enhancing course materials, and ensuring the quality of the educational content to help students gain a deeper understanding of Android concepts.
Consulting ServicesApplication Engineering

Naranja x

3 roles

Staff Android Engineer

Promoted

Feb 2024Present · 2 yrs 3 mos

  • As a Staff Android Engineer my primary focus is orchestrating the Android release management lifecycle, ensuring high-velocity, risk-free rollouts while coordinating across multiple feature teams.
  • I own the architecture and maintenance of core shared modules, establishing best practices, coding standards, and testing strategies that guarantee scalability and reliability. I am deeply involved in CI/CD stability, proactively resolving pipeline bottlenecks to ensure continuous delivery.
  • Recently, I led a critical modernization initiative at Naranja X, spearheading a massive Kotlin/Gradle migration across 20+ modules and driving the strategic adoption of Jetpack Compose. These efforts significantly reduced technical debt, optimized build times, and set a new standard for UI performance and stability.
Android SDKRelease ManagementCI/CDKotlinJetpack Compose

Android SDK Engineer

Aug 2023Present · 2 yrs 9 mos

  • Android SDK Engineer | Mobile Platform Team
  • Core Infrastructure Ownership: Lead the architecture, maintenance, and lifecycle management of shared Android modules and internal SDKs consumed by multiple cross-functional product teams.
  • Modernization & Migration: Spearheaded a large-scale Kotlin and Gradle migration across 20+ modules, resulting in improved build performance, system stability, and long-term scalability.
  • UI Architecture Strategy: Driving the transition from legacy XML to Jetpack Compose, ensuring safe adoption through controlled snapshots, deprecation strategies, and backward-compatibility checks.
  • Release Management: Define and execute SDK versioning strategies and release cycles, ensuring CI/CD stability and seamless integration for consumer teams.
Android SDKCI/CDKotlinJetpack ComposeRelease Management

Senior Android Engineer

Aug 2023Feb 2024 · 6 mos

  • At the Mobile Platform team, I focus on architecture and implementation of best practices to optimize application performance.
  • I also write sdk-specific tools in compose for different teams involved across the app.
AndroidKotlinSoftware ArchitectureJetpack ComposeAndroid SDK

Ebay

Senior Android Engineer

Apr 2023Jun 2023 · 2 mos · San José, California, Estados Unidos · Remote

  • I have worked as a contractor for a 3-month role.
  • I was responsible for creating an interface that connected the old legacy code with the new code and also testing these implementations.
Android SDKGitArchitecture

Coinpeeker

Co-Founder

Feb 2023Aug 2024 · 1 yr 6 mos · Argentina · Remote

  • I was currently leading a dynamic team of three talented individuals on an ambitious project named CoinPeeker. CoinPeeker can be found on Google Play by simply searching for "CoinPeeker"
  • As the founder of CoinPeeker, I assume a pivotal role in the development process, overseeing the comprehensive creation of the Android application. My responsibilities encompass designing and implementing the app's features, ensuring its seamless functionality, and making critical decisions to drive the project's success.
  • With a passion for crafting exceptional user experiences, I employ my expertise in Android development to shape the app's interface and functionalities, constantly striving for innovation and efficiency. By leveraging my profound understanding of the market and user requirements, I make informed decisions that steer CoinPeeker towards becoming a groundbreaking solution in its domain.
  • Join me on this exciting journey as we revolutionize the world of cryptocurrency with CoinPeeker.
Android SDKGitArchitecture

Distillery

2 roles

Team Lead of Mobile Department

Promoted

Nov 2021Jul 2024 · 2 yrs 8 mos · Córdoba, Argentina

  • Led a team of 5 developers across various projects, providing technical guidance and architectural solutions to ensure project success. Conducted regular one-on-one meetings to support team development and performance. Played a pivotal role in managing client relationships, ensuring their requirements were met and guaranteeing their success
Android SDKGitArchitecture

Senior Android Engineer

Oct 2020Present · 5 yrs 7 mos · Córdoba, Argentina

Android SDKGitArchitecture

Thrive market

Senior Android Engineer

Oct 2020Apr 2023 · 2 yrs 6 mos · Los Ángeles, California, Estados Unidos

  • Worked at ThriveMarket in the Autoship feature
  • Autoship is a recurring shipment program that ensures you to never run out of essentials. When you join you are automatically enrolled into Autoship and the items you purchase will be added to your Autoship box. You can easily edit items, adjust their frequency, or change the delivery date of an upcoming order.
  • Worked on autoship auto OPT-IN for new registered users
  • Migrated legacy app to the new sahara variant with the new autoship page
  • Autoship features worked on ship now, scheduled deliveries, skip shipment, bulk shipment, autoship savings , all autoship items , pagination.
  • Have worked 100% on the new Autoship screen since Sahara came up in march 2021
  • Checkout GWP ( Gift with purchase ), Out of stock items , Autoship summary banners
  • Order details next scheduled shipment progress
  • Improved app navigation and deeplinks on Sahara launch with Navigation Components
  • Improved Autoship loading times from around 10 seconds to nearly 2 for the entire screen
  • Changed Account UI Screen entirely to a newly clean design
  • Improved app architecture inside viewmodel for emiting different UI States depending on data
  • Worked on multiple bug fixings across all the app, incluing search results, performance bugs, filters and architecture
  • Worked on most Autoship analytics, also worked on different sections of the app to apply analytics (optimizely)
  • Worked with testrails on tests use cases
  • Worked with rundeck to run scripts and work on new features
  • Worked with jetpack compose on new Product Cards , including autoship
  • Worked on full Territory Foods feature
  • Added the whole integration of GWP (gift with purchase) on the autoship screen
  • Worked on the whole rewards page with jetpack compose
  • Improved performance on the Autoship Page and started the migration to Jetpack Compose
  • I have worked on the core team that is responsible of performance upgrades, architecture and design
AndroidKotlinAndroid JetpackFirebaseSoftware ArchitectureJetpack Compose+1

Uh-lala!

Founder

Apr 2020May 2021 · 1 yr 1 mo · Córdoba, Argentina

  • Uh-lala! was a project based in Córdoba - Argentina, we were currently a team of 4 working on this project. The main goal of Uh-lala! was to facilitate small towns and cities to access technology that is not currently available at these places and it was part of an initiative to help communities in the pandemic. We helped shoppers selling and users buying with numerous benefits through our platform.
  • Currently, I was in charge of both Android apps, the user app, and the shopper's app + all the backend involved in both of them.
  • Featured on google blogs -> https://developers.googleblog.com/2021/12/creating-app-to-help-your-community.html
  • And Android Dev Summit 2021 keynote -> https://youtu.be/WZgR5Yf1iq8?t=236
AndroidFirebaseAndroid SDKGitArchitecture

Dólares libre

Android Developer

Sep 2019Dec 2019 · 3 mos · Provincia de Córdoba, Argentina

  • Migration to AndroidX: I have migrated the app from support to AndroidX
  • Overall performance optimization: Redesigned app architecture and improved the performance of the main catalog list, reduced the app loading time by 80% when startup
  • Added paging to the existing catalog list to improve user experience and moved requests from Firebase to a custom endpoint using Retrofit
  • Two step phone verification: Implemented a two-step phone verification process to let users verify the identity
  • UI/UX implementations (shimmer, phone authentication, service status banner, user delete account, logo, contact form)
  • E-mail confirmation: Used Firebase Extensions to send e-mail verifications after a user interaction (buy/sell)
FirebaseAndroid SDKGitArchitecture

Ualabee

Android Developer

Jul 2018Oct 2018 · 3 mos

  • Worked on Realtime map updates for certain vehicles
  • Interfaces and Bug fixing
  • Firestore / Remote Config (Firebase)
  • Google Maps API

Ottaa project

Android Developer

Jul 2017Jan 2019 · 1 yr 6 mos · Provincia de Córdoba, Argentina

  • Built the backend infrastructure with Firebase (automated backups, authentication, storage, database).
  • Fullstack development (UI, UX, Architecture, Backend)
  • Improved real-time updates between multiple devices for multiple user interaction in the group section
  • Improved load time of groups (from 5+ seconds to nearly 1)
  • Worked on a predictive system for pictos (where predictions are shown to people based on interest when they search for more pictograms)
  • Implemented automated backups to let users restore their data if they lost it due to any unexpected crash
  • Migrated old database to Firebase: I have moved the entire existing project to Firebase
  • Used firebase remote config for a christmas flavor that needed to be trigger on christmas day
  • Worked on a move and drag pictograms grid that needed to be in sync with firebase, the idea was to let the user move around pictograms in a grid and at the same time be able to see those moved elements in another phone with the same account.
MapsFirebaseAndroid SDKGitGoogle MapsArchitecture

Ipet 300

Classroom Teacher

Mar 2017Feb 2018 · 11 mos · Luque

  • Lectures of basic programming and algorithms at IPET 300 high school in Luque - Argentina

Education

Instituto Universitario Aeronáutico

Bachelor of Science in Computer Engineering

Instituto Universitario Aeronáutico

System Analyst

Instituto Universitario Aeronáutico

University Technician in Programming

Universidad Complutense de Madrid

Desarrollo de Apps

Jan 2016Jan 2016

Google Cloud OnBoard 2018

Together English Institute

Jan 2002Jan 2011

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