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I am Adrian Picui, a senior mobile developer with 20 years of commercial experience in architecture, technical design and implementation of iOS and Android apps. I have deep knowledge of UI/UX, client-server interactions, and location-based services, delivering robust, scalable solutions across complex projects. I enjoy leading teams, mentoring peers, and freelancing on challenging projects. I strive for clean architectures, comprehensive testing, and close collaboration with product and design teams to ship high-quality mobile apps on time.…I am Adrian Picui, a senior mobile developer with 20 years of commercial experience in architecture, technical design and implementation of iOS and Android apps. I have deep knowledge of UI/UX, client-server interactions, and location-based services, delivering robust, scalable solutions across complex projects. I enjoy leading teams, mentoring peers, and freelancing on challenging projects. I strive for clean architectures, comprehensive testing, and close collaboration with product and design teams to ship high-quality mobile apps on time.

Adrian Picui

App Developer, Web Developer, Front-End Developer, +2

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I am Adrian Picui, a senior mobile developer with 20 years of commercial experience in architecture, technical design and implementation of iOS and Android apps. I have deep knowledge of UI/UX, client-server interactions, and location-based services, delivering robust, scalable solutions across complex projects. I enjoy leading teams, mentoring peers, and freelancing on challenging projects. I strive for clean architectures, comprehensive testing, and close collaboration with product and design teams to ship high-quality mobile apps on time.…I am Adrian Picui, a senior mobile developer with 20 years of commercial experience in architecture, technical design and implementation of iOS and Android apps. I have deep knowledge of UI/UX, client-server interactions, and location-based services, delivering robust, scalable solutions across complex projects. I enjoy leading teams, mentoring peers, and freelancing on challenging projects. I strive for clean architectures, comprehensive testing, and close collaboration with product and design teams to ship high-quality mobile apps on time.

Available to hire

I am Adrian Picui, a senior mobile developer with 20 years of commercial experience in architecture, technical design and implementation of iOS and Android apps. I have deep knowledge of UI/UX, client-server interactions, and location-based services, delivering robust, scalable solutions across complex projects.

I enjoy leading teams, mentoring peers, and freelancing on challenging projects. I strive for clean architectures, comprehensive testing, and close collaboration with product and design teams to ship high-quality mobile apps on time.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Senior mobile developer / team lead / contractor at Freelancing

October 1, 2013 - Present

Project-based iOS and Android development. Lead small teams, design architecture and implement features for multiple clients; worked across product, design and backend interfaces.

Senior iOS developer (contractor) at Deutsche Bank

July 1, 2025 - October 1, 2025

Developed and improved iOS banking apps for a large international bank and subsidiaries; implemented new features using Swift, SwiftUI, RxSwift, async/await; applied MVVM and Clean Architecture; performed extensive unit testing to ensure low defect rate.

Senior mobile developer (contractor) at T-Me Studios

July 1, 2022 - October 1, 2025

Led development of full-feature keyboard apps for UK/US clients, including autocorrect, suggestions, media sharing, and a web platform for rapid client customization; optimized for low-memory extensions; Huawei HMS integration where applicable.

Senior mobile developer (contractor) at Facevalue BV

April 1, 2019 - October 1, 2025

Developed a fintech platform enabling business clients to bid on invoices; implemented two-factor authentication; seller/buyer account types; heavy client-server communication for transaction flows.

Senior mobile developer / team lead (contractor) at RGB Media

June 1, 2018 - October 1, 2025

Led a small team in building a mobile news app with infinite paging, push notifications (Pushwoosh), video providers, and Google DoubleClick for Publishers ads; implemented data retrieval, filtering, saving and sharing.

Senior mobile developer / team lead (contractor) at Arnia Software

March 1, 2016 - October 1, 2025

Led mobile team for ticket management solution using the device as a barcode scanner; authenticating, retrieving, displaying, filtering, local storage; offline syncing; barcode scanning via camera or Bluetooth scanner; local network syncing.

Senior Android developer (contractor) at BridgeIT

April 1, 2014 - October 1, 2025

Two projects: internal information app for a Danish company with real-time RSS news and company data; mobile client for a Spanish retailer focusing on promotions, coupons, geolocation, map display, and push alerts.

Mobile developer at Telmap

September 1, 2013 - October 1, 2025

Location Based Services (LBS) applications across Android, iPhone, Blackberry, J2ME; UI development; built an SDK to expose Telmap LBS API; added ultra-local POI searches, localized advertising, location-based coupons; integrated with Facebook and incident reporting; client/server functionalities; automated test module.

Software Engineer at Electronic Arts

December 1, 2009 - October 1, 2025

Developed mobile games; optimized for low-memory devices; fixed device-specific issues; built internal SDK wrappers; created supporting tools in C++ (font editor, string packer) for non-Latin languages.

Programmer at Gameloft

January 1, 2006 - October 1, 2025

Ported mobile games; adapted applications to specific resolutions and device characteristics; resolved device-specific bugs.

Senior mobile developer / team lead / contractor at Freelancing | Bucharest

October 1, 2013 - Present

Freelance iOS and Android development for multiple clients in Bucharest, delivering end-to-end mobile solutions. Responsible for technical design, architecture decisions, feature implementation, code reviews and mentoring junior developers. Worked on projects with varied domain requirements, integrated RESTful services, and ensured high-quality, maintainable code with robust unit tests and automation.

Senior iOS developer (contractor) at Deutsche Bank | remote (Bucharest)

July 1, 2025 - October 1, 2025

Developing and improving iOS applications for a large international bank and subsidiaries. Implemented new features using Swift, SwiftUI, RxSwift, and modern concurrency (async/await). Applied MVVM and Clean Architecture to navigate a complex project, wrote extensive unit tests to maintain a very low defect rate, and aligned with security and regulatory requirements.

Senior mobile developer (contractor) at T-Me Studios | remote (Bucharest)

July 31, 2022 - October 1, 2025

Keyboard apps: full-feature keyboard with text corrections/suggestions and media sharing. Created a configurator web platform to enable rapid client-specific customizations; optimized for constrained memory in app extensions; recruited and mentored new team members; implemented real-time autocorrect, predictions, GIFs, voice typing and HMS integration on Huawei devices.

Senior mobile developer (contractor) at Facevalue BV | remote (Bucharest)

April 30, 2019 - October 1, 2025

Fintech banking platform for business clients with a focus on security and precision. Implemented two-factor authentication for registration/login and created seller/bidder account types with specific transaction functionalities; managed heavy client-server communication to complete transaction flows.

Senior mobile developer / team lead (contractor) at RGB Media | remote (Bucharest)

June 30, 2018 - October 1, 2025

Led a small team delivering a news publishing mobile client with infinite paging, push notifications (Pushwoosh), external video providers and Google ads. Implemented data retrieval, display, filtering, saving and sharing; integrated native and web content to provide a seamless user experience.

Senior mobile developer / team lead (contractor) at Arnia Software | Bucharest

March 31, 2016 - October 1, 2025

Ticket management mobile client for a Netherlands-based company. Implemented event and ticket display, filtering, and local storage; barcode scanning via device camera and Bluetooth scanners with backend sync; built local network syncing between devices for offline operation.

Senior Android developer (contractor) at BridgeIT | remote (Bucharest)

April 30, 2014 - October 1, 2025

Internal information app for a large Denmark-based company, including real-time news sync, RSS, and push notifications; promotions and coupons with geolocation features for a large retailer in Spain.

Mobile developer at Telmap | Bucharest

September 30, 2013 - October 1, 2025

Led cross-platform location-based services development (Android, iPhone, Blackberry, J2ME). Built an SDK for exposing Telmap LBS API via Intel servers to third-party developers; added ultra-local POI searches, location-based advertising and coupons, Facebook integration and backend syncing.

Software Engineer at Electronic Arts | Bucharest

December 31, 2009 - October 1, 2025

Developed mobile games; wrote and debugged parts of the game code in Java/J2ME; optimized for low-memory devices, refactored JVM-specific issues, and built internal tools and SDKs in C++; delivered device-specific bug fixes and tooling such as a font editor and string packer for non-Latin languages.

Programmer at Gameloft | Bucharest

January 31, 2006 - October 1, 2025

Ported mobile games to new resolutions and devices; resolved device-specific issues and bugs; adapted applications to different device characteristics.