MS

Open to opportunities

Max Stubbersfield

@maxstubbersfield

Senior Mobile Engineer and Engineering Manager specializing in Flutter and iOS—building scalable products with strong UX and delivery.

What I'm looking for

I’m looking to lead and ship high-quality iOS/Flutter mobile products—combining hands-on engineering with engineering management. I want teams that value security, privacy, maintainability, measurable outcomes, and a sustainable delivery rhythm.

I’m a Senior Mobile Engineer and Engineering Manager with 13+ years of experience building consumer and enterprise mobile products using iOS and Flutter. I’ve founded and scaled a well-being app to 200k+ downloads, owning end-to-end execution from app engineering to backend and integrations.

As Founder & CTO / Lead Mobile Engineer at Clarity UG, I engineered a cross-platform consumer well-being app with Flutter, building the iOS/Android apps as the sole developer. I also set up an AWS serverless backend, implemented fitness API integrations, and shipped fully automated CI/CD pipelines using Codemagic for testing, signing, and deployment.

I progressed from Senior iOS Developer to Engineering Manager at Vivy GmbH, managing a cross-functional team of 8 and combining hands-on technical leadership with people management. I architect and review solutions with a strong focus on security, privacy, and maintainability in a regulated healthcare environment, and I continue to contribute directly to the iOS codebase.

Experience

Work history, roles, and key accomplishments

CU

Founder & CTO (Mobile)

Clarity UG

Sep 2020 - Jun 2026 (5 years 9 months)

Founded and engineered a cross-platform consumer well-being app in Flutter, owning the iOS/Android apps, serverless AWS backend, and fitness API integrations. Scaled the product to 200,000+ downloads, implemented automated CI/CD with Codemagic, and improved acquisition and conversion through attribution and onboarding automation.

Flutter Dart Swift AWS Lambda Firebase REST APIs Figma

VG

Engineering Manager / iOS

Vivy GmbH

Feb 2018 - Sep 2020 (2 years 7 months)

Served as Engineering Manager and Senior iOS Developer, leading a cross-functional team of 8 while managing hiring, performance, and technical mentoring. Architected and delivered iOS features in a regulated healthcare environment, including Emergency ID, and reduced iOS build compile times by ~1 minute via targeted refactoring.

Swift SwiftUI UIKit Security & Privacy Agile Delivery

AL

Senior iOS Developer

ANZ Bank New Zealand Limited

May 2014 - Oct 2017 (3 years 5 months)

Developed prototypes and proof-of-concepts to evaluate emerging digital technologies for feasibility and customer value. Led the FastPay v2 iOS app for merchants, enabling card payments via Bluetooth-connected payment terminals, and built mobile tooling for mortgage managers supporting field-based banking operations.

iOS Development Swift Objective C Bluetooth

Education

Degrees, certifications, and relevant coursework

AT

Auckland University of Technology

Bachelor of Computer and Information Sciences, Software Development

Bachelor of Computer and Information Sciences, majoring in Software Development, completed in 2012.

Tech stack

Software and tools used professionally

GitHub

GitHub Actions

SQLite

Gmail

UIkIt

Figma

Objective-C

SwiftUI

iOS

Firebase

AWS Lambda

Serverless

Transform

Codemagic

Objective

Android

Availability

Open to opportunities

Location

Germany

Authorized to work in

Job categories

Senior Mobile Engineer Engineering Manager iOS Developer Flutter Developer CTO Senior Mobile Engineering Senior Mobile Engineer (Android)Senior Mobile Developer Senior Cross Platform Mobile Engineer Senior Android Engineer

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