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Alexander Levin

@alexanderlevin

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Senior Flutter Engineer

Armenia

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What I'm looking for

I’m looking for a remote Flutter Engineer (IC) role

Senior Flutter Engineer & Team Lead with a track record of delivering high-impact B2C and B2B apps across FoodTech, MusicTech, and EdTech. Known for launching products fast, scaling them to tens of thousands of users, and driving measurable business results.

At Foodster, launched a new Flutter app in 4 months, doubling mobile profit, cutting bugs by 70%, and reducing technical debt by 50%. At SelfTable, built three mobile apps and a backend serving 1,000+ corporate clients, automating payments and loyalty for 200+ restaurants and 20+ companies, and increasing feature delivery speed by 200%. Previous work includes a music app reaching 50,000 MAU and 400,000 installs, a CMS for 236k songs and 22k artists, bank card payment flows that enabled 3,000+ in-app transactions, and social sign-in, driving 78,000 registered users.

Specializes in scalable mobile architecture, payments and monetization, reusable UI systems, automated testing, and accelerating MVP delivery.

Tech Stack: Flutter, Dart, Firebase (Auth, Firestore, Functions, Messaging, Storage), TypeScript, REST APIs, CI/CD (GitHub Actions, Codemagic, Bitrise), Android (Java/Kotlin), iOS (Swift), Unity, Xamarin.

Experience

Work history, roles, and key accomplishments

Senior Flutter Developer

Foodster

Oct 2024 - Dec 2025 (1 year 2 months)

Built and launched a new Flutter food-delivery app in 4 months, doubling mobile profit by integrating secure bank card payments and resolving critical bugs and UI performance issues. Mentored 2 developers to cut bugs 70%, reduced technical debt 50% via MVP retrospectives, and improved release quality and hiring consistency with a structured interview framework.

Flutter Mentoring Technical Debt Reduction

Fullstack Developer / Team Lead

SelfTable

Oct 2020 - Jun 2023 (2 years 8 months)

Built 3 mobile apps for 1,000+ active users and a TypeScript + Firebase backend automating payments and loyalty logic for 200+ restaurants and 20+ companies, eliminating manual operations. Led a team of 4, increasing feature delivery speed 200% through hiring and mentoring, and establishing architectural guidelines and review standards.

TypeScript Firebase Mobile App Development Team Leadership Code Review

Flutter Developer

Levin Mobile Development Agency

Jan 2020 - Sep 2020 (8 months)

Launched a music Flutter app in 4 months, reaching 50,000 MAU and 400,000 installs. Built a Flutter web CMS for a catalog of 236k songs and 22k artists, cut time-to-market by 40% with comprehensive integration test coverage, and added bank card payments and social sign-in for 78,000 registered users and 3,000+ in-app transactions.

Flutter Flutter Web CMS Integration Testing Card Payment Shared Codebase App Release Optimization

Flutter Developer / Team Lead

Force Code

Mar 2019 - Sep 2019 (6 months)

Built 2 Flutter products in 6 months and led a 4-developer team, delivering a car-enthusiast social marketplace and a canine community app with global pedigrees.

Flutter Team Leadership Marketplace

Android / iOS Developer

Freelance

Jul 2015 - Aug 2019 (4 years 1 month)

Delivered full-cycle mobile development across multiple native iOS apps (exam prep, weight-loss, phrasebook) and Android apps, reaching 100K+ MAU through in-app purchases and push-driven retention. Built educational and lifestyle apps with strong engagement (diary app: 40K MAU, 4.7 rating; speech-training app: 1K MAU, 4.8 rating), covering UI/UX, gamification, and progress-tracking features.

In App Purchases Push Notifications Gamification UI UX Progress Track Mobile App Development