Alexander Serdobintsev Email & Phone Number

Magnitogorsk, Chelyabinsk, Russia

Led a team of 4 responsible for development, support, and the technical aspects of the bank's applications on the iOS platform Modulbank(https://apps.apple.com/app/id1044155034) and ModulPay(https://apps.apple.com/ru/app/modulpay/id6450893355). Worked on application architecture, improving team processes and code quality, accelerating time to market. Conducted technical interviews and trained new employees.- Designed and implemented the architecture for the payment and receipt application ModulPay, using modular architecture (TMA).- Planned the redesign of the application from the mobile team side and translated the main application screen (dashboard) to UICollectionViewDiffableDataSource and UICollectionViewLayout.- Optimized CI processes and library cache usage.- Configured Danger in CI, set up privacy manifests, and transitioned project builds to Apple Silicon.- Addressed vulnerabilities identified in the security audit.

Magnitogorsk, Chelyabinsk, Russia

Works on the banking application for individual entrepreneurs and small businesses Modulbank (https://apps.apple.com/app/id1044155034). Focused on assessment and analysis, implementing business features, improving code quality, code reviews, and assisting in transitioning from Objective-C to Swift. Responsible for the CI/CD process in GitLab CI, updating SDK versions, build machines, and Xcode. Conducted 9 tech talks and 2 workshops.Business tasks- Implemented recognition of two-dimensional codes (QR etc.) for payments according to GOST R 5604–2014. More details in attached article (in Russian).- Redesigned the module for transfers between accounts with a redesign on Swift, using custom transition animations between screens, which allowed splitting screens into modules and creating the illusion of a single screen for the user.- Added the ability to record and send voice messages in the chat.Internal tasks- Redesigned the authorization process, ensuring secure storage of the pin code and secret key.- Optimized the application's network layer, speeding up its performance and reducing battery load.- Set up Sourcery for generating mocks and use in unit tests in Swift.CI/CD, processes- Introduced native integration tests to the project. Wrote and set up all the code and infrastructure for writing and running native integration UI tests. Conducted several tech talks and workshops on writing tests, and assisted the QA department in writing and maintaining tests.- Transitioned the release and development process from Git Flow to Trunk-Based Development, eliminating branch conflicts.- Automated the deployment to TestFlight.- Set up the SwiftLint, Unit/UI test reports so that the results were visible on the MR page.

Magnitogorsk, Chelyabinsk, Russia

Developed the EasyAnatomy 3D iOS application for medical university students.My role primarily involved developing new features related to 3D and SceneKit. Showcased 3D work on Instagram attached link.- Developed camera and model control in SceneKit.- Implemented complex interactions with 3D models, including textures and area highlighting with Metal shaders.- Added UDIM tiling support for using multiple texture tiles for a single 3D model, which enhances the visual quality without requiring a large, single texture file.- Optimized the search within the 3D model database.- Created a small prototype for Apple Vision Pro, see attached link.- Participated in the Easy Anatomy 3D stand at the Medical Spring 2024 forum at Sechenov University in Moscow.

Magnitogorsk, Chelyabinsk Region, Russian Federation

Maintains previously developed cross-platform apps ("MobiCash Payments", "MobiCash POS"). Manly works on internal platform (like Xamarin.Forms), that allows writing common crossplatform code for business and presentation logic.Develops and controls other developers via VCS and code review. Looks for ways to improve code quality and reduce errors by improving platform and using other standard industry approaches like continuous integration, continuous delivery and code quality analyzers.- Deployed and set up Jenkins build server (CI)- Deployed and set up SonarQube code quality- Set up CD for internal testing- Mentoring- Researched available bluetooth technologies for iOS/Android (iBeacon, Eddystone, GATT). Implemented iBeacon support for iOS.- Learned Swift to implement a quick proof of concepts ideas.- Supported RTL for branded app ([10k+](https://apps.apple.com/ru/app/arabi-mobicash/id1290747765))

Chelyabinsk Region, Russian Federation

Works on the new cross-platform mobile payment applications using Xamarin."MobiCash Payments" - iOS application for mobile payment service. [10k+](https://apps.apple.com/ru/app/mobicash-payments/id844062913)"MobiCash POS" - iOS merchant application for billing. [1k+](https://apps.apple.com/ru/app/mobicash-pos/id1031541628)- Learned Xamarin.iOS, C# especially for this project. - Implemented complex layout system in iOS which clones Android 'LinearLayout' behaviour. Which unifies apps behaviour and simplifies business UI logic.- Integrated different ways to pass the bill number to the application - QR code reader(AVFoundation), NFC(CoreNFC), Speech Recognition(Speech framework).- Automated iOS applications build process with Fastlane. It reduces the time of manual building and uploading to AppStore.

Chelyabinsk Region, Russian Federation

Maintains a previously developed application, transforms it to a fully white label (branding). At least 7 branded apps were published on the AppStore with 10k+, 50k+, 100k+ intalls for different clients.- Implemented reach appearance customization system with localization allowed to satisfy significant parts for different customers needs.- With other coleages developed scripting system, which could modify app behavior in production environment.- Implemented IPv6 support in network layer written with sockets, push notifications support- Fixed vulnerabilities found by auditors, followed PA DCC practices, OWASP Top 10.- Obtain deep knowledge about the app signing process.- Made app publications for the company and its clients, consulted about organization registration in Developer Programm.

Chelyabinsk Region, Russian Federation

Develops a TranzWare Mobile Banking - the iOS mobile application written with Objective-C, C++. - Developed the app from the ground - authorization, payments, operations history.- Learned iOS Development - Objective-C, UIKit, Foundation, CoreGraphics, MVC etc. Stanford CS 193p Coding together: Developing iOS apps.- Learned about the payments industry, banking software, front/back office, automated banking systems, PCI DSS, PA DSS.

Chelyabinsk Region, Russian Federation

During education won the grant and developed plugin (with PHP) for university Moodle learning management system. Using the plugin teacher can obtain reach statistics about the tasks and evauluate its complexity for students, give corresponding scores/weight for each task.