Personal details

Egor S. - Remote mobile app developer

Egor S.

Based in: 🇺🇾 Uruguay
Timezone: Montevideo (UTC-3)

About

I am a cross-platform mobile developer with 7+ years of launching successful apps across diverse industries – from public transit and social media to fintech and farm management. I rely on design intuition with solid engineering and thrive in flexible, innovation-driven teams, taking full responsibility from concept to launch.

Work Experience

Cross-Platform Developer
Toptal | Nov 2022 - Present
Firebase
Stripe
Full Stack
Startups
Mobile App Development
Flutter
Full Cycle development

As part of the Toptal network of top developers, I’ve provided senior-level Flutter expertise to a wide variety of clients—from small startups seeking quick consultancy and a push toward major milestones, to industry leaders looking to expand their roster and drive innovation. I’d like to highlight a few projects where I’m especially proud of my contributions:

  • Fresh Ahead (https://freshahead.com/): Worked on expanding a B2B system for major agriculture companies in the US, focusing on retail planning, forecasting, and on-field activities. Developed a no-code workflow builder and an executive dashboard.
  • Mommyato (https://mommyato.com): Built a prenatal companion app, handling the architecture, development, and publication, along with third-party integrations.
  • Eqalink (https://eqalink.com): Developed a flexible monetization system, integrating Stripe for monetization features.

You can get familiar with my fullest Toptal activity to date at my profile: https://www.toptal.com/resume/egor-sharoha

Senior Flutter Developer
Jimmy Technologies | Dec 2021 - Jul 2023
Stripe
Aosp
Flutter
RESTful API
Mobility As A Service

Senior Flutter Developer responsible for:

  • Citya (www.citya.io): Developed a public transportation app for passengers and drivers, managing its architecture and strategy from planning to app store publication.
  • Antees (www.antees.cz): Created a scooter-sharing app with industry-standard features like identity validation, booking, and payments, and built a Flutter development kit for mobility applications.
  • Developed a proof-of-concept prototype for a custom AOSP environment for cars.

Projects

Fresh Ahead - Multi-domain B2B CRM in Agriculture
Dart
Firebase
Web Development
Multi platform
Mobile App Development
Flutter
Cloud Firestore
I worked on expanding a vast B2B system used by major agriculture companies in the US. My focus included improving various software applications for retail planning, forecasting, on-field farming activities, management, administration, and internal dev tools, among other areas. I engineered a no-code workflow builder with conditional steps; delivered a fully configurable executive dashboard with drag-and-drop resizable widgets, per-module filters and real-time charts; and extended the custom Gantt Chart engine with interactive crop-management features
Antees - Scooter Sharing
Android
Git
Dart
Firebase
Stripe
Leaflet
Mapbox
iOS
API Integration
Flutter
Figma
A scooter-sharing application mainly targeting the Czech Republic market. It covers a broad set of functionality, starting from identity validation and booking to payments with different payment methods and rendering dynamic objects on the map. As a Flutter mobile developer, I designed the architecture from the ground by following clean architecture principles, participated in making important product-related decisions, helped the client to save money by providing detailed consultancy about optimization options, and closely collaborated with designers and back-end engineers.

Education

Omsk State University of Service
Unfinished Bachelor Degree・Applied Informatics
Sep 2014 - May 2018