Senior iOS Engineer (10+ years) | Fintech | Former JPMorgan Chase contractor | AWS certified. Authorized to work for any U.S. employer (Green Card holder). Open to relocation.
Technical Skills
Programming languages : Swift, Objective-C, JavaScript, Python.
Frameworks : UIKit, SwiftUI, Async/Await, Combine, Auto Layout, Compositional Layout, CoreGraphics, AVFoundation, SpriteKit, XCTest, Swift Testing, SwiftPM, FaceID, Push Notifications, Deep Links, MVVM, Dependency Injection.
Tools : Xcode, Sublime, Git, Gitlab, Jenkins, Jira, Confluence, Bitbucket, Figma, Sketch, CLI, CI/CD, Bitbucket Pipelines.
AI Tools : Claude (Claude Code, MCP), ChatGPT - daily use for code generation, refactoring, code review, debugging.
Work Experience
Arcane Pathways
Columbus OH
Senior iOS Software Engineer
09/2025 - Current
Developed a fintech app that empowers users to track their credit score and boost it by reporting rent and utility payments to major credit bureaus.
- Worked with AI-assisted development workflows (Claude Code) in daily engineering - accelerating feature delivery, code review, and test coverage on the SwiftUI codebase.
- Created reusable UI component library and multiple SwiftPM frameworks accelerating development.
- Established CI/CD pipelines that reduced development and release time by 23%.
- Integrated third-party financial SDKs (e.g., Plaid/Stripe).
Technologies : Swift, SwiftUI, Combine, Swift Testing, SwiftPM, StoreKit, MVVM, Git, Push Notifications, FaceID, CI/CD, Bitbucket Cloud, Google Cloud, AppsFlyer, Plaid, Stripe, Claude Code.
App Store: ArcaneCredit
Independent Developer
Columbus, OH
iOS Software Engineer
01/2025 - 09/2025
Developed multiple video game-focused apps.
- Developed 2D platformer game using SpriteKit, CoreAudio, AVFoundation.
- Designed and built an iOS app using SwiftUI.
Technologies : Swift, SwiftUI, Combine, SpriteKit, CoreAudio, AVFoundation, Swift Testing, SwiftPM, MVVM, Git, Claude Code.
Mphasis
Columbus OH
Senior iOS Software Engineer
09/2023 - 01/2025
Worked as a contractor at JPMorgan Chase, one of the largest U.S. corporations by revenue, contributing to high-impact iOS apps used by over 70 million active users.
- Contributed to acquiring 8 million new customers by shipping new in-app features.
- Implemented backend-driven UI, enhancing the visibility of banking services and accelerating content delivery from days to minutes.
- Increased unit test coverage by 6% by adopting the Swift Testing framework.
- Ensured ADA compliance by implementing accessibility features, enhancing inclusivity and user experience.
Technologies : Swift, UIKit, Compositional Layout, SwiftUI, Combine, XCTest, Swift Testing, SwiftPM, MVVM, Git.
Societe Generale
Moscow
Senior iOS Software Engineer
06/2020 - 06/2023
Developed an iOS app for servicing small and medium-sized businesses that contributed to $95 million annual Net Bank Income (NBI).
- Boosted app rating from 3.5 to 4.5 by launching new credit card features.
- Expanded customer base by 60K users through digital services implementation.
- Increased test coverage by 10% by implementing unit tests, improving app stability and reliability.
Technologies: Swift, Objective-C, UIKit, Moya, AVFoundation, CoreGraphics, XCTest, MVVM, SwiftPM, Fastlane, Firebase, Git.
AppStore: Rosbank
Price Express LLC
Moscow
iOS Software Engineer
09/2014 - 06/2020
Maintained and improved the Next Mobile wireless network operator app, enhancing reliability and user experience.
- Increased trouble-free user percentage from 88% to 93%, improving app stability.
- Managed and maintained third-party APIs.
- Successfully integrated MIR payment system credit cards support.
Technologies : Swift, UIKit, SnapKit, ReactiveCocoa, CocoaPods, XCTest, MVVM, Git.
App Store : Next Mobile
Education
Fort Hays State University (Online)
Bachelor of Science in Information Networking and Telecommunications (Web and Mobile Application Development)
Expected Graduation: 2029
High School Diploma - General Studies
Moscow Secondary School No. 348
U.S. GPA Equivalent: 3.5
Certification
AWS Certified Cloud Practitioner
Amazon Web Services (AWS)
02/28/2025
Credential ID: fec24d4f56344c339fa10ab46b88ba2d
Check link: https://aws.amazon.com/verification
Links
Portfolio - https://www.dimko.org/portfolio/ios/
Github - https://github.com/DmitryShlepkin