Stanislav A.

Senior iOS Developer

Stanislav is a Senior iOS Developer with over eight years of commercial experience building high-quality, user-focused mobile applications across multiple industries.

He specializes in Swift, SwiftUI, and Combine, delivering end-to-end mobile solutions that encompass architecture design, feature implementation, and App Store deployment, while prioritizing performance and reliability.

He contributed to core mobile banking features and app modernization at Swedbank, and led the development of a Vendor Managed Inventory app at Invendor, implementing Bluetooth integration and offline-first data handling. With a strong focus on DevOps, automation, and clean architecture, Stanislav consistently created scalable, maintainable, and robust iOS applications.

Main expertise

  • Swift
    Swift 8 years
  • iOS
    iOS 8 years
  • Mobile 8 years

Other skills

  • Bash
    Bash 3 years
  • Shell
    Shell 3 years
  • Bluetooth
    Bluetooth 3 years
Stanislav

Stanislav A.

Estonia

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Selected experience

Employment

  • iOS Engineer

    Swedbank Estonia - 1 year 1 month

    Swedbank is one of the leading Nordic-Baltic banks, serving over 7 million private and corporate clients through secure and innovative financial platforms.

    • Contributed to the development and modernization of Swedbank’s flagship mobile app.
    • Collaborated on improvements to banking workflows and implemented new UI modules using SwiftUI and GraphQL.
    • Optimized API communication and data flow to enhance responsiveness in core transaction components.
    • Introduced performance and memory profiling routines to ensure stability across releases.
    • Assisted in enhancing secure authentication modules and multi-device account handling.
    • Participated in agile ceremonies and worked closely with backend, QA, and UX teams to meet compliance and UX goals.

    Technologies:

    • Technologies:
    • GraphQL GraphQL
    • Swift Swift
    • CoreData CoreData
    • Firebase Firebase
    • REST API REST API
    • SwiftUI SwiftUI
  • iOS Engineer

    Invendor (formerly Scanbro) - 2 years 9 months

    Invendor develops Vendor Managed Inventory (VMI) solutions connecting manufacturers and distributors through real-time mobile systems.

    • Led the end-to-end development of a greenfield VMI app, from architecture to App Store release.
    • Implemented inventory synchronization features via RESTful APIs, improving data accuracy and reducing latency.
    • Integrated Bluetooth communication for barcode scanners and external sensors to enhance warehouse operations.
    • Built robust offline-first data handling using CoreData, enabling field usability under poor connectivity.
    • Designed CI/CD pipelines and automated releases using Fastlane and GitHub Actions.
    • Conducted unit testing and regression analysis, ensuring app reliability under high-volume usage.

    Technologies:

    • Technologies:
    • Swift Swift
    • CoreData CoreData
    • Firebase Firebase
    • Git Git
    • REST API REST API
    • SwiftUI SwiftUI
    • Bluetooth Bluetooth
    • Fastlane Fastlane
  • iOS Engineer

    Swedbank Estonia - 1 year 6 months

    • Maintained and extended Swedbank’s iOS banking app, focusing on stability and performance optimization.
    • Refactored legacy Objective-C modules into Swift, improving maintainability and test coverage.
    • Developed account overview, loan application, and payment authorization features with robust error handling.
    • Collaborated in an Agile SAFe team, contributing to feature design, backlog refinement, and sprint planning.
    • Implemented GraphQL-based API integration and improved caching mechanisms to reduce network load.
    • Introduced test automation for UI and integration testing, enhancing release confidence.
    • Worked closely with designers to refine UI consistency and improve accessibility.

    Technologies:

    • Technologies:
    • GraphQL GraphQL
    • Swift Swift
    • CoreData CoreData
    • Firebase Firebase
    • REST API REST API
    • SwiftUI SwiftUI
  • iOS Engineer

    Speakly - Language Learning App - 10 months

    Speakly is a popular language-learning app combining AI-based lesson optimization with user-driven progress tracking.

    • Took ownership of an existing iOS codebase, expanded functionality, and redesigned user flows.
    • Developed new course management, voice input, and flashcard review features.
    • Built CI/CD pipelines and automated testing workflows to accelerate deployments.
    • Implemented data synchronization with Firebase for real-time progress tracking.
    • Optimized the UI for iPad and iPhone compatibility, improving retention rates.
    • Collaborated with the backend team to migrate from REST to a more efficient GraphQL schema.

    Technologies:

    • Technologies:
    • Swift Swift
    • UIKit UIKit
    • CoreData CoreData
    • Firebase Firebase
    • REST API REST API
    • Fastlane Fastlane

Education

  • BSc.Computer Science

    Tallinn University · 2017 - 2017

Portfolio

  • Zeyra - 1

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