💻 Andrei V.

IOS Engineer

Cluj-Napoca, Cluj, Romania5 yrs 5 mos experience
Highly Stable

Key Highlights

  • 14 years of hands-on Android engineering experience.
  • Led multiple high-impact mobile projects with over 50 million downloads.
  • Expert in Kotlin, Jetpack Compose, and Clean Architecture.
Stackforce AI infers this person is a Senior Android Engineer specializing in mobile applications with a focus on user experience and performance.

Contact

Skills

Core Skills

Android DevelopmentMobile Applications

Other Skills

KotlinJetpack ComposeClean ArchitectureCI/CDGitHub ActionsBluetooth/WiFi provisioningHiltDagger2FirebaseOpenGL/ESMVVMJavaOpenGL ESGradleAOSP

About

I’m a senior Android engineer with 14 years of hands-on experience, 9 of which, fully remote. Apps I’ve helped design, build, and maintain now exceed 50 million downloads while staying above a 95% crash-free rate an average rating of 4.7 ★ in the stores. Most of my engagements are contract roles where a team needs extra mobile depth or a project has to ship on a tight timeline. I’ve led or contributed to products in mobile payments, IoT dashboards, automotive HMI (McLaren), dual-screen Android (Microsoft Surface Duo), digital wellbeing, and large-scale photo/video editing. My focus is clear architecture, continuous delivery, and a steady collaboration that keeps designers, back-end teams, and stakeholders on the same page. Specialties • Kotlin Expert · Jetpack Compose · Modular Clean Architecture • AOSP / system-level Android (Java & C++) • Image & video processing, OpenGL ES shaders • Secure wallets, HTTPS pinning, end-to-end encryption • MQTT, BLE, and real-time IoT dashboards • CI/CD with Github Actions, Jenkins, TeamCity, CircleCI, TravisCI, Bitrise.io and more! • Firebase Expertise, Google Play & AppStore management • Remote team leadership, mentoring, on-site client workshops What’s next If you need an experienced developer to guide a new build or stabilise an existing codebase, please feel free to message me. I’m always open to contracts that put great mobile products in users’ hands.

Experience

5 yrs 5 mos
Total Experience
1 yr 4 mos
Average Tenure
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Current Experience

Greenely

Senior Android Engineer - Consultant | Contractor

Feb 2025Present · 1 yr 4 mos · Stockholm · Remote

  • 📱 Project: Greenely – Smart Energy Management App
  • ⭐ Rating: 4.2 - 🚀 100,000+ downloads
  • 🔗 Portfolio Page: https://andreiverdes.com/projects/greenely-energy-app
  • Architected and delivered an app overhaul with Jetpack Compose and Clean Architecture
  • Led multi-market expansion supporting Sweden and Finland with localized experiences
  • Built smart device integrations: EV chargers, solar panels, batteries, and real-time meters
  • Implemented SaveEye Bluetooth/WiFi provisioning for smart meter onboarding
  • Developed real-time spot price tracking with interactive 15-min interval charts
  • Improved app stability and performance, reducing crashes and optimizing load times 4X faster
  • Established code quality standards with ktlint, modular architecture, and CI/CD automation
KotlinJetpack ComposeClean ArchitectureCI/CDGitHub ActionsAndroid Development+1

Skylight

Senior Android Engineer - via Shift STUDIO

Sep 2022Feb 2025 · 2 yrs 5 mos · Salt Lake City, Utah, United States · Remote

  • 📱 Project: Skylight – Spiritual Self-Care App
  • ⭐ Rating: 4.6 - 🚀 100,000+ downloads
  • Led a major UI overhaul, redesigned the audio/video player, and refreshed the login experience using the existing SquareUp Workflows architecture.
  • Built and launched the app with Kotlin and Jetpack Compose for modern Android UI.
  • Used Hilt and Dagger2 for dependency injection to support a scalable, testable architecture.
  • Managed navigation flows with Jetpack Navigation Component.
  • Handled asynchronous tasks with Kotlin Coroutines and Flows.
  • Integrated Firebase services including Authentication, Crashlytics, and Analytics.
  • Oversaw Android analytics integration using Firebase Analytics, Mixpanel, Braze, and other tools to support product insights and user engagement.
  • Set up CI/CD with GitHub Actions for smooth deployments.
  • Maintained Clean Architecture with SquareUp Workflows.
  • Oversaw the full app lifecycle from implementation to production rollout.
  • 🧰 Tech Stack: Kotlin, Jetpack Compose, Hilt, Dagger2, Coroutines, Flows, Firebase, GitHub Actions, SquareUp Workflows, Ktor, Mixpanel, Braze
  • 🔗 Portfolio Page: https://andreiverdes.com/projects/skylight-spiritual-self-care
KotlinJetpack ComposeHiltDagger2FirebaseAndroid Development+1

Instasize

2 roles

Senior Android Engineer - via Shift STUDIO

Oct 2020Sep 2022 · 1 yr 11 mos · Salt Lake City, Utah, United States · Remote

  • 📱 Project: Instasize – Photo & Video Editor App
  • ⭐ Rating: 4.9 – 🚀 Downloads: 50 million+
  • 📱 Project: Made – Instagram Story Maker
  • ⭐ Rating: 4.8 – 🚀 Downloads: 500.000+
  • Led R&D for a modern image and video editing SDK using OpenGL/ES, supporting cropping, resizing, filters, and real-time adjustments in Instasize and Made.
  • Worked as a Senior Android Engineer on Instasize, with over 50 million downloads, top 50 rankings in 100+ countries, and 430 k monthly subscribers.
  • Built the SDK from the ground up using custom Vertex and Fragment Shaders.
  • Introduced editing features that improved functionality and user experience on Android.
  • Contributed to the early stages of development and defined the architecture and roadmap.
  • Oversaw the full app lifecycle from implementation to production rollout.
  • 🧰 Tech Stack: Kotlin, Android SDK, OpenGL/ES (GLSL shaders), MVVM, Custom Media Processing, Clean Architecture
  • 🔗 Portfolio Pages:
  • https://andreiverdes.com/projects/instasize-media-editor
  • https://andreiverdes.com/projects/made-story-editor
KotlinOpenGL/ESMVVMClean ArchitectureAndroid DevelopmentMobile Applications

Senior Android Engineer - via Shift STUDIO

Jul 2019May 2020 · 10 mos · Salt Lake City, Utah, United States · Remote

  • 📱 Project: Instasize – Photo & Video Editor App
  • ⭐ Rating: 4.9 – 🚀 Downloads: 50 million+
  • Led R&D for a modern image editing SDK using OpenGL/ES, supporting cropping, resizing, filters, and real-time adjustments in Instasize and Made.
  • Worked as a Senior Android Engineer on Instasize, with over 50 million downloads, top 50 rankings in 100+ countries, and 430 k monthly subscribers.
  • Built the SDK from the ground up using custom Vertex and Fragment Shaders.
  • Introduced editing features that improved functionality and user experience on Android.
  • Contributed to the early stages of development and defined the architecture and roadmap.
  • Oversaw the full app lifecycle from implementation to production rollout.
  • 🧰 Tech Stack: Kotlin, Android SDK, OpenGL/ES (GLSL shaders), MVVM, Custom Media Processing, Clean Architecture
  • 🔗 Portfolio Page: https://andreiverdes.com/projects/instasize-media-editor
KotlinRxJava/RxKotlinClean ArchitectureAndroid JetpackAndroid DevelopmentMobile Applications

Microsoft

Senior Android Engineer

May 2020Oct 2020 · 5 mos · Iaşi, Romania

  • 📱 Project: Microsoft Surface Duo – Foldable Android Device
  • ⭐ Platform-level feature – 🚀 Shipped on 100k+ Surface Duo units
  • Led a team of 4 engineers to add dual-screen support in the Android Open Source Project (AOSP) View Framework, enabling floating overlays across both displays.
  • Modified AOSP View, Window Manager, and System UI components to handle hinge-aware window placement and gestures.
  • Delivered OpenGL-compatible rendering paths to keep 60 FPS when windows span the hinge.
  • Added hinge-aware layout APIs and sample apps so partners could adopt dual-screen patterns.
  • Implemented CI regression tests to verify overlay behaviour during rotations and fold states.
  • Mentored a team of 4 engineers, focusing on AOSP workflows and dual-screen design patterns.
  • 🧰 Tech Stack: AOSP (Java/C++), Android View Framework, Kotlin, OpenGL ES, Gradle, Git, Surface Duo SDK
  • 🔗 Portfolio Page: https://andreiverdes.com/projects/microsoft-surface-duo
JavaKotlinOpenGL ESGradleAndroid DevelopmentMobile Applications

Shift studio

Senior Android Engineer - Consultant | Contractor

Jul 2019Feb 2025 · 5 yrs 7 mos

  • 📱 Sr. Android Engineer / Mobile Engineering Director
  • ⭐ 4.7★ avg – 🚀 several apps shipped
  • Manage iOS & Android squads; introduced Jetpack Compose & modular Clean Arch (30 % faster).
  • I take pride in building Android apps with 95 %+ crash-free rate and 4.7★ average rating.
  • Coach six engineers via daily syncs, clearing obstacles, and shaping architecture decisions.
  • Maintained continuous contact with overseas clients and traveled on-site when needed.
  • Own the full lifecycle, from roadmap planning to store release and KPI tracking.
  • 🧰 Tech Stack: Kotlin, Jetpack Compose, Clean Architecture, CI/CD, GitHub Actions, Android & iOS
KotlinJetpack ComposeClean ArchitectureCI/CDGitHub ActionsAndroid Development+1

Tignum gmbh

Senior Android Engineer

May 2019Jul 2019 · 2 mos · Berlin Area, Germany

  • 📱 Project: TIGNUM X (Former QoT) – Employee Well-Being & Performance
  • ⭐ Rating: 4.4 – 🚀 ~2000 Android installs (enterprise rollout)
  • Built an app that helps employees balance work-life, reduce anxiety, and track goals and deadlines.
  • Joined mid-project to meet a six-month critical deadline, delivered production three months early.
  • Implemented a reactive data layer with RxJava/RxKotlin for clean asynchronous workflows.
  • Oversaw the full app lifecycle from implementation to production rollout.
  • 🧰 Tech Stack: Kotlin, RxJava/RxKotlin, Clean Architecture (MVVM), Android Jetpack (Room, ViewModel, LiveData), Retrofit, Gradle, Git
  • 🔗 (Former Google Play listing, now unpublished) https://play.google.com/store/apps/details?id=com.tignum.qot&hl=en_US
KotlinJavaOkHttpAES/X.509 EncryptionAndroid DevelopmentMobile Applications

Expleo group

2 roles

Senior Android Engineer

Mar 2019May 2019 · 2 mos

  • 📱 Project: McLaren – Variable Drift Control (VDC)
  • 🚗 Production feature – 🏁 Deployed on McLaren supercars
  • Implemented a real-time ECU interface on the AOSP dashboard, giving drivers drift-angle control.
  • Added automotive APIs to send stability values from the UI to the ECU over the vehicle bus.
  • Integrated the app into McLaren’s AOSP build stack to ensure low-latency performance on the infotainment unit.
  • Mentored a 15-person team, running code reviews and sharing Android architecture and automotive best practices.
  • 🧰 Tech Stack: Kotlin, Java, AOSP (Java/C++), Android Automotive APIs, CAN bus messaging, Gradle, Git, CI
  • 🔗 Portfolio Page: https://andreiverdes.com/projects/mclaren-variable-drift-control
KotlinJavaAndroid SDKOpenGL ESAndroid DevelopmentMobile Applications

Senior Android Engineer/Trainer

Feb 2019Mar 2019 · 1 mo

  • 📱 Project: Android Trainer – Android Academy Bootcamp
  • 👥 Cohort: 15 devs – 📅 1-month intensive
  • Designed and led a program that turned Java Desktop/EE engineers into competent Android developers.
  • Authored 14 lesson modules covering UI, architecture patterns, networking, testing, and Play-Store release.
  • Ran daily hands-on labs and code reviews so trainees could build and ship production-ready apps.
  • Mentored the cohort individually, guiding them through Android Studio workflows and debugging.
  • Oversaw the full training lifecycle from curriculum design to final project evaluations.
  • 🧰 Tech Stack: Android SDK, Kotlin, Java, Jetpack (ViewModel, LiveData, Room), Gradle, Git, CI basics
JavaAndroid SDKOpenGL ESAndroid DevelopmentMobile Applications

Mydevices

Senior Android Engineer

Feb 2017Feb 2019 · 2 yrs · Remote Position

  • 📱 Project: Cayenne – IoT Devices Manager
  • ⭐ Rating: 4.4 – 🚀 1 million+ downloads
  • 📱 Project: Cayenne – B2B Sensors Manager
  • ⭐ Rating: 4.4 – 🚀 1000+ downloads
  • Built a multidevice Cayenne SDK in Java/Kotlin using MQTT WebSockets for real-time IoT data.
  • Employed RxJava/RxKotlin to streamline async flows and boost responsiveness.
  • Revamped the Cayenne app UI and comms layer to meet modern tech and UX standards.
  • Designed the IoTInABox B2B Sensors Manager architecture with Clean Arch + MVI for easy extension.
  • Added MQTT server messaging and extensive logging for early bug detection.
  • Integrated Room caching and ViewModel to improve offline stability.
  • Oversaw the full app lifecycle from implementation to production rollout.
  • 🧰 Tech Stack: Kotlin, Java, MQTT WebSockets, RxJava/RxKotlin, Clean Architecture (MVI), Android Jetpack (Room, ViewModel), Retrofit, Gradle, Git
  • 🔗 Portfolio Pages:
  • https://andreiverdes.com/projects/cayenne-iot-devices-manager
  • https://andreiverdes.com/projects/iotinabox-b2b-sensors-manager

Maxcode

Senior Android Engineer

Feb 2014Feb 2017 · 3 yrs

  • 📱 Project: OK – Digital Wallet
  • ⭐ Rating: 4.4 – 🚀 500,000+ downloads :contentReference[oaicite:0]{index=0}
  • Built a smart wallet that lets users store cards, direct debits, coupons, and tickets in one place.
  • Added HTTPS certificate pinning and data encryption to protect financial data.
  • Set up a CI/CD pipeline to deliver secure, reliable updates.
  • Migrated the codebase from MVC to MVP and Clean Architecture for better maintainability.
  • Moved release cadence from feature-based to time-based for greater stability.
  • Tuned performance for smooth, responsive user interactions.
  • Oversaw the full app lifecycle from implementation to production rollout.
  • 🧰 Tech Stack: Kotlin, Java, OkHttp (HTTPS Pinning), AES/X.509 Encryption, Clean Architecture (MVP), Retrofit, Gradle, Git, CI/CD
  • 🔗 Portfolio Page: https://andreiverdes.com/projects/ok-digital-wallet

Yonder

Mid Java/Android Engineer

Sep 2013Feb 2014 · 5 mos · Iasi County, Romania

  • 📱 Project: Custom Email Client
  • ⭐ Internal – 🚀 Enterprise deployment
  • 📱 Project: Medical Android Application
  • ⭐ In-clinic – 🚀 10 k+ installs
  • Optimized performance and battery usage for both apps.
  • Shaped proposal documents and chose the technology stack.
  • Managed ongoing maintenance and bug fixing in production.
  • Completed a 3-month iOS app training to broaden mobile skills.
  • Oversaw the full app lifecycle from implementation to production rollout.
  • 🧰 Tech Stack: Kotlin, Java, Android SDK, Jetpack (WorkManager, Room), Retrofit, Git, Gradle, Profilers

Neuro software

Junior/Mid Android Engineer

Feb 2012Sep 2013 · 1 yr 7 mos · Iasi, Romania

  • 📱 Project: Indie Mobile Games – Android & iOS
  • ⭐ Multiple titles – 🚀 1 million+ cumulative downloads
  • Built several games on a custom Java engine, working with Android APIs for graphics and input.
  • Added a REST-based cloud-save feature for one title.
  • Designed enemy AI, core mechanics, in-game economy, and level layouts.
  • Directed concept art, setting visual style and providing continuous feedback.
  • Integrated monetization and social SDKs: Facebook, Google Play Games, OpenFeint, Scoreloop, etc.
  • Prepared publishing assets for Facebook App Center and Google Play;
  • Ported games to the iOS App Store.
  • Oversaw the full app lifecycle from implementation to production rollout.
  • 🧰 Tech Stack: Java game engine, Android SDK, OpenGL ES, REST/JSON, Facebook SDK, Google Play Games, Tapjoy, Scoreloop, OpenFeint, Objective-C, Xcode, Git, Gradle

Education

Universitatea „Alexandru Ioan Cuza” din Iași

Bachelor's degree — Computer Science

Oct 2009Jul 2012

Colegiul National de Informatica Piatra Neamt

Highscool Diploma

Jan 2005Jan 2009

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