Dmitrii CherviakovSenior iOS Developer · Swift · SwiftUI · TCA · AI-driven workflows

Two identical six-month windows on the GrowDiaries codebase: June 2025 — November 2025 vs February 2026 — July 2026. Every measured metric grew after the AI-driven workflow was put in place.

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1. 2025 – present

   Senior iOS Developer

   GrowDiaries · Remote

   A social network for growers: diaries, media, questions, chat, contests and brand pages — built in pure SwiftUI and TCA.

   • Built a social-network iOS app from the ground up as the sole iOS developer — pure SwiftUI and The Composable Architecture (TCA): 86K lines of Swift, 90 features shipped, live in the App Store
   • Engineered an AI-driven development workflow — agentic coding pipelines with automated verification loops and testing guardrails — that lifted every measured productivity metric year-over-year: +81% code output, +48% delivery cadence and +38% feature throughput

   SwiftSwiftUITCASwift ConcurrencyXcode CloudFirebaseClaude Code

2. 2024 – 2025

   2021 – 2024

   Lead iOS Developer · Senior iOS Developer

   Alfa-Bank · Remote

   Trading & investing app rated the best on the market by Digital Investment Rank 2024 (Markswebb). Feature team owning IPOs, SPOs and other offerings; technical area — in-app navigation and deep links.

   • Led a sub-team of 10 developers within a 35-engineer iOS organization, fostering collaboration, mentorship and technical growth; owned crash-free rate, performance and project health
   • Owned application stability and performance, maintaining 99% crash-free sessions at 400K MAU
   • Refactored all navigation in the app, significantly improving deep-linking reliability and overall usability; wrote the documentation and presented the approach to the team
   • Led the rapid rollout of trading in new currencies, which brought significant additional income during a period of high market volatility
   • Introduced SwiftUI to the project by building an MVP app for employees within a week

   SwiftSwiftUIMVVMSnapKitDesign systemDDD

3. Aug – Oct 2021

   Lead iOS Developer

   J'JO · Remote

   An iOS app for investing in cryptocurrency. The MVP was built by an outsourcing company in Kotlin Multiplatform and handed over to the in-house team.

   • Prepared the roadmap for migrating from Kotlin Multiplatform to a native Swift codebase and started the migration; the startup was disbanded by its owner three months later

   SwiftKotlin Multiplatform

4. Mar – Aug 2021

   2020 – 2021

   Lead iOS Developer · Senior iOS Developer

   FBS Inc. · St Petersburg, Russia

   FBS Broker — a trading app for forex, metals, indices and energies. Promoted to iOS team lead after delivering two key features and improving the department's development process.

   • Ran task estimation and load balancing for a team of 6 iOS developers; communicated with managers and other development teams
   • Updated the processes between developers, QA and management to keep releases stable and avoid overtime
   • Coached a junior developer who passed the middle-level assessment after 3 months
   • Led interviews and hired 3 iOS developers

   SwiftRxSwiftMVVMSnapKitgRPC

5. 2019 – 2020

   iOS Developer

   EPAM Systems · St Petersburg, Russia

   A large project for telecom operators in the EU.

   • Created an FAQ module with complex navigation and 90% unit test coverage
   • Implemented a server-driven banner that lets marketing launch campaigns without releasing a new app version

   SwiftVIPERRxSwiftTDDCharlesFastlaneCI/CD

6. 2018 – 2021

   Community Lead

   Samara IT Community · Samara, Russia · Part-time

   • Managed the local IT community: organised and took part in meetups and hackathons, including GrindConf
7. 2017 – 2019

   iOS Developer

   Haulmont Technology · Samara, Russia

   A white-label mobile app for taxi companies around the world, mainly in the UK (Sherlock Taxi).

   • Learned Objective-C in two weeks to start on the project; later led the app's redesign
   • Completed an R&D task on credit-card recognition and selected the best framework for the app
   • Communicated with customers and negotiated requirements for the apps

   Objective-CAlamofireMoyaMVCVIPERSketchTeamCity

All projects →

Languages

SwiftObjective-C

UI

SwiftUIUIKitSnapKit

Platforms

iOSvisionOSRealityKitGameKit

Architecture

TCAMVVMVIPERMVC

Networking

AlamofireMoyagRPCCharles / Proxyman

Practices

TDDDDDCI/CDAI-driven workflowsCode review

Tools

Xcode CloudFastlaneTeamCitySketch / FigmaClaude Code

• September 16, 20265 min read

  Nuclear Wars: what I learned building a visionOS game solo in three months

  A Cold War strategy game on a 3D globe for Apple Vision Pro, built alone in Swift and RealityKit without a game engine. Why no engine, how the code is split, what RealityKit and App Review taught me.

  #visionos#realitykit#swift#game-center#indie

• September 14, 20265 min read

  How much does AI really speed up development? I measured it

  Everyone asks how much faster AI makes me. Instead of an opinion, here are the numbers from 15 months on one iOS project: +81% code output, +48% delivery cadence, +38% feature throughput.

  #ai#workflow#swift#productivity

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