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I am a Senior Software Engineer with 11 years of experience specializing in Flutter, React Native, iOS, and Android development. I have a strong passion for building cross-platform video editing applications that combine aesthetic design with high-performance functionality, delivering creative tools that users love. I enjoy working closely with designers and remote teams to optimize user experiences, manage efficient workflows, and resolve performance challenges—especially on low-end devices. My background spans multiple industries and roles where I’ve developed advanced features such as timeline editing, real-time filters, and export optimizations for diverse platforms.…I am a Senior Software Engineer with 11 years of experience specializing in Flutter, React Native, iOS, and Android development. I have a strong passion for building cross-platform video editing applications that combine aesthetic design with high-performance functionality, delivering creative tools that users love. I enjoy working closely with designers and remote teams to optimize user experiences, manage efficient workflows, and resolve performance challenges—especially on low-end devices. My background spans multiple industries and roles where I’ve developed advanced features such as timeline editing, real-time filters, and export optimizations for diverse platforms.

Rio Ephraim Miranda

Full Stack Developer, Developer, App Developer, +2

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I am a Senior Software Engineer with 11 years of experience specializing in Flutter, React Native, iOS, and Android development. I have a strong passion for building cross-platform video editing applications that combine aesthetic design with high-performance functionality, delivering creative tools that users love. I enjoy working closely with designers and remote teams to optimize user experiences, manage efficient workflows, and resolve performance challenges—especially on low-end devices. My background spans multiple industries and roles where I’ve developed advanced features such as timeline editing, real-time filters, and export optimizations for diverse platforms.…I am a Senior Software Engineer with 11 years of experience specializing in Flutter, React Native, iOS, and Android development. I have a strong passion for building cross-platform video editing applications that combine aesthetic design with high-performance functionality, delivering creative tools that users love. I enjoy working closely with designers and remote teams to optimize user experiences, manage efficient workflows, and resolve performance challenges—especially on low-end devices. My background spans multiple industries and roles where I’ve developed advanced features such as timeline editing, real-time filters, and export optimizations for diverse platforms.

Available to hire

I am a Senior Software Engineer with 11 years of experience specializing in Flutter, React Native, iOS, and Android development. I have a strong passion for building cross-platform video editing applications that combine aesthetic design with high-performance functionality, delivering creative tools that users love.

I enjoy working closely with designers and remote teams to optimize user experiences, manage efficient workflows, and resolve performance challenges—especially on low-end devices. My background spans multiple industries and roles where I’ve developed advanced features such as timeline editing, real-time filters, and export optimizations for diverse platforms.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Work Experience

Senior Software Engineer at Vertis Digital

July 1, 2023 - Present

Developed cross-platform mobile applications using Flutter and React Native with focus on video editing functionalities including timeline editing, filters, effects, and export options. Optimized timeline editing performance for low-end devices via lazy rendering and memory management. Integrated FFmpeg filters and effects for smooth playback and export, collaborated closely with designers for intuitive UI/UX. Enhanced export options supporting multiple formats and resolutions, reduced app load time by 30% with lazy loading and modular architecture. Added advanced features such as keyframe animations, drag-and-drop clip arrangement, audio waveform visualization, plugin integration, and cloud storage. Led user testing improving engagement and retention rates.

Software Engineer at BP

July 1, 2023 - July 24, 2025

Built video editing tools emphasizing timeline editing, filters, and effects, ensuring compatibility across diverse video formats using FFmpeg. Designed modular export systems with format and resolution flexibility. Improved performance of video rendering pipeline reducing processing times by 25%. Added hardware acceleration and batch processing features, enhanced UI for intuitive effect application. Handled debugging and memory optimizations, integrated third-party plugins, and cloud project saving workflows. Collaborated with UX designers to refine user controls and interface.

Android Developer at Geomiq

February 28, 2021 - July 24, 2025

Rebuilt donation platform mobile apps consolidating multiple native apps into a unified React Native codebase. Implemented real-time updates via Firebase and WebSocket, secure payment integrations with Stripe, Apple Pay, and Google Pay, and offline caching features. Enabled push notifications and dynamic white-label theming. Automated CI/CD pipelines using Fastlane, GitHub Actions, and Docker. Integrated analytics, biometric authentication, admin tools, and secure API communications with JWT and OAuth2.

Mobile Developer at Easy-Level

June 30, 2019 - July 24, 2025

Modernized multi-brand retail e-commerce mobile suite using Ionic with native Kotlin and Swift components. Developed real-time stock updates, secure authentication with biometric and two-factor methods, offline synchronization, and push notifications. Integrated React admin dashboards and partner APIs. Automated CI/CD using Fastlane, Azure DevOps, and Bitrise. Developed modular architecture and offline-first capabilities, created automated UI test suites, and led internal workshops on mobile architecture and hybrid app patterns.

Mobile Application Developer at Concept Health

June 30, 2016 - July 24, 2025

Led cross-platform patient engagement app development using React Native, Kotlin, and Swift. Integrated appointment scheduling, video telehealth via Twilio SDKs, real-time alerts, biometric login, and vitals syncing with Apple HealthKit and Google Fit. Applied HIPAA-compliant encryption for health data and secure offline caching. Designed animated dashboards, modular components, dynamic theming, and accessibility modes. Managed async workflows with Kotlin Coroutines and Swift Combine. Created CI/CD workflows with Bitrise and Fastlane and led usability testing to enhance UX.