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vadimpopov_data

Vadim Popov

@vadimpopov_data

Excel and CSV data cleaning with Python checks and human QA

United States
English, Russian
About me
Software engineer and mobile team lead with 10+ years of experience (Flutter, Dart, Node.js). I build websites and web apps, backends and APIs, CRMs and admin tools, and Flutter apps, and I fix bugs in existing projects. I also do data cleanup in Excel/CSV, logo and social media graphics, and translation and localization. Based in the US, fluent in English and Russian. I confirm scope before starting and tell you upfront if something isn't a good fit.... Read more

Skills

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vadimpopov_data
Vadim Popov
Offline • 

See my services

Data Cleaning
I will clean, deduplicate, format, and validate messy excel or CSV data
From$15 / projectMore details
Translation
I will translate and localize text for websites apps and docs
From$20 / projectMore details

Portfolio

Work experience

Dealerware

Senior Software Engineer (Flutter/Node)

Dealerware

Nov 2025 - Present • 1 yr

Austin, TX, USA. Internal web, mobile and backend apps. Shipped OTA live updates for Flutter (Shorebird), raising release cadence from ~12/year to 4-5/month; improved CI/CD (caching, FVM); re-architected the app to Clean Architecture; set up weekly/monthly release planning and branching strategy.

BrainRocket

Mobile Team Lead (Flutter/Dart)

BrainRocket

Feb 2022 - Nov 2025 • 3 yrs 9 mos

New Jersey, USA. Led architecture and feature planning for a modular internal platform; built app architecture from scratch (UI kit, navigation, DI); multi-region support by IP/geolocation; SDK and backend integrations for document verification and regulatory compliance; mentored developers.

Calaton_Systems

Mobile Team Lead (Flutter/Dart)

Calaton Systems

May 2020 - Feb 2022 • 1 yr 9 mos

Florida, USA (remote). Led the mobile team; owned two products from prototype to release; set up CI/CD, code reviews, coding standards and onboarding docs.