Senior Mobile Developer Android/iOS

Gorilla Logic

. Work with a team of developers and engineers to rebuild and modernize native Android and iOS applications .

Posted 10/8/2026full-timeRemote • Colombia, Costa RicaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in mobile application development for both Android and iOS platforms, with a strong focus on Kotlin, Swift, and modern design patterns. Proficient in implementing offline-first capabilities, API integrations, and automated testing to ensure high-quality user experiences.

Highest-signal resume keywords

Android Development Using KotlinIOS Development Using SwiftAPI IntegrationAutomated Mobile TestingOffline-First Mobile Applications

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

KotlinSwiftJetpack ComposeUIKitRxSwiftHiltRetrofitOkHttpRoomSQLCipher

Soft Skills

Strong CommunicationAnalytical ThinkingProblem-Solving

Tools & Technologies

GitLab CIFirebase Test LabBrowserStackMaterial 3DataStoreWorkManager

Certifications & Qualifications

Bachelor’s Degree in Computer Science

Industry Keywords

Mobile ApplicationsOffline-First CapabilitiesREST APIsMulti-Module Gradle ProjectsDesign Systems

Tech Stack

Tools & technologies

AndroidFirebaseGradleiOSJavaScriptKotlinRealmRxSwiftSwift

About the role

Key responsibilities & impact

Work with a team of developers and engineers to rebuild and modernize native Android and iOS applications
Deliver complete mobile features covering user experience, offline-first data management, API integrations, device capabilities, automated testing, and production-ready releases
Build and maintain native Android and iOS features with consistent behavior, user experience, and design
Lead development for the Android rebuild using Kotlin and Jetpack Compose
Contribute to iOS modernization using Swift, UIKit, SwiftUI, and RxSwift
Implement offline-first capabilities, including encrypted storage, mutation queues, background synchronization, retries, attachment uploads, and conflict handling
Integrate mobile applications with APIs for authentication, records, forms, workflows, files, and attachments
Work with shared JavaScript business logic and debug issues across native and JavaScript boundaries
Integrate device capabilities such as camera, barcode scanning, location, audio, biometrics, and document pickers
Build accessible phone and tablet experiences using an established design system
Write unit, screenshot, integration, and end-to-end automated tests
Support CI, automated device testing, and mobile release pipelines
Use AI coding agents for investigation, planning, implementation, testing, and code review
Build and improve agent harnesses, including repository instructions, tools, execution environments, permissions, and validation workflows
Review AI-generated changes through code review, automated tests, emulator checks, and functional-parity validation

Requirements

What you’ll need

Bachelor’s degree in Computer Science or a related field, or equivalent professional experience
5+ years of professional software development experience with a focus on mobile applications
Strong Android development experience using Kotlin, Jetpack Compose, Material 3, coroutines, and Flow
Experience with Hilt, Retrofit, OkHttp, Room, SQLCipher, DataStore, and WorkManager
Experience with multi-module Gradle projects and unidirectional data-flow patterns such as MVI
Professional iOS development experience using Swift, UIKit, and SwiftUI
Ability to work within an existing RxSwift-based application
Experience with Realm, Keychain, or comparable secure-storage technologies
Strong experience designing offline-first mobile applications
Experience integrating REST APIs and native device capabilities
Ability to read and debug JavaScript used as shared mobile business logic
Experience writing automated mobile tests
Experience with GitLab CI or comparable CI/CD tools
Experience with Firebase Test Lab, BrowserStack, or similar device-testing platforms
Professional experience using AI coding agents and validating their output
Understanding of agent harness engineering, including context preparation, instructions, tooling, safeguards, and feedback loops
Strong communication, analytical thinking, and problem-solving skills
Bonus: Experience with fastlane and TestFlight
Bonus: Experience with white-label applications and mobile release engineering
Bonus: Experience with no-code, low-code, or field-service platforms
Bonus: Experience maintaining mobile design systems
Bonus: Experience building custom tools or workflows for AI coding agents

Benefits

Comp & perks

Remote work
Full-time employment