Dmitrii Cherviakov

Senior iOS Developer · Barcelona

Dmitrii Cherviakov

Senior iOS Developer · Swift · SwiftUI · TCA · AI-driven workflows

Senior iOS Developer with 9+ years of experience building scalable, high-performance mobile applications. Strong expertise in Swift and SwiftUI, with a focus on architecture, stability and developer productivity.

Led a sub-team of 10 engineers within large-scale products, achieving 99% crash-free sessions for apps with 400K MAU. Currently focused on AI-driven development workflows that multiply engineering velocity without compromising quality.

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Productivity growth, year over year

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.

Code output
11,006 +81%
lines / month · was 6,066
Delivery cadence
25.3 +48%
shippable builds / month · was 17.2
Feature throughput
6.7 +38%
features / month · was 4.8

See full stats →

Experience

  1. 2025 – present

    Senior iOS Developer

    GrowDiaries · Barcelona, Spain

    • 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, currently in App Store review
    • 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, +47% delivery cadence and +38% feature throughput

    SwiftSwiftUITCAXcode CloudFirebase

  2. 2024 – 2025
    2021 – 2024

    Lead iOS Developer · Senior iOS Developer

    Alfa-Bank · Remote

    • Led a sub-team of 10 developers within a 35-engineer iOS organization, fostering collaboration, mentorship and technical growth
    • Owned application stability and performance, maintaining 99% crash-free sessions at 400K MAU
    • Revamped navigation by introducing the Coordinator pattern, significantly improving deep-linking reliability and overall usability. Delivered comprehensive documentation and led multiple presentations to ensure adoption across teams

    SwiftUIKitSwiftUICoordinatorsgRPCTeamCity

  3. 2020 – 2021

    Lead iOS Developer

    FBS Inc. · St Petersburg, Russia

    • Improved collaboration between developers, QA and management, stabilizing the release process and reducing overtime
    • Conducted interviews and doubled the size of the iOS team
  4. 2019 – 2020

    iOS Developer

    EPAM Systems · St Petersburg, Russia

    • Developed an FAQ module with advanced navigation and achieved 90% unit test coverage
  5. 2017 – 2019

    iOS Developer

    Haulmont Technology · Samara, Russia

    • Conducted a redesign of a white-label application for taxi companies
    • Communicated with customers and negotiated requirements for the apps

Selected projects

Product2025 – present

GrowDiaries

A social network for growers, built from scratch in pure SwiftUI + TCA.

lines of Swift
86K lines of Swift
features shipped
90 features shipped
shippable builds
321 shippable builds

SwiftSwiftUITCASwift ConcurrencyXcode Cloud

Product2021 – 2025

Alfa-Bank mobile banking

Stability, navigation architecture and a sub-team of 10 in a 35-engineer iOS organization.

monthly active users
400K monthly active users
crash-free sessions
99% crash-free sessions
sub-team / iOS org
10 / 35 sub-team / iOS org

SwiftUIKitSwiftUICoordinatorsgRPC

All projects →

Skills

Languages
SwiftObjective-C
UI
SwiftUIUIKitSnapKit
Architecture
TCAMVVM + CoordinatorsVIPERDDD
Networking
AlamofiregRPCCharles / Proxyman
Practices
TDDCI/CDAI-driven workflowsCode review
Tools
Xcode CloudTeamCitySketch / FigmaClaude Code

Education

  • 2017
    Volga State University of Telecommunications and Informatics
    Master · Computer Science, honors degree
    Samara, Russia
  • 2015
    Samara State Aerospace University
    Bachelor · Mechatronics, Robotics and Automation Engineering
    Samara, Russia
Languages
  • English — C1
  • Russian — native
  • Spanish — A2

Contacts