

4Track / VistoGPS
Redesigned and developed Flutter GPS tracking apps shipped across Google Play, App Store and Huawei Gallery.
Store-shipped mobile work with realtime tracking and maps.
Available for remote work
Mobile Product Engineer · Flutter Developer · UX/UI
I build production Flutter apps, startup MVP foundations, Supabase backends, UX/UI systems and AI-assisted product workflows.
Production-focused, async-friendly, and open to remote collaboration.

Selected work
A focused selection of work across mobile development, product architecture, UX/UI, backend systems and AI-assisted workflows.


Redesigned and developed Flutter GPS tracking apps shipped across Google Play, App Store and Huawei Gallery.
Store-shipped mobile work with realtime tracking and maps.


Built the core MVP foundation for an AI-powered recruiting platform serving candidates, companies and recruiters.
Product and technical base behind a funded startup milestone. (~20$K / Startup Perú 12G)


Building an AI-native product from zero to one across Flutter, Supabase, UX/UI, data modeling, design systems and AI workflows.
Zero-to-one product work across app, backend, UX and AI logic.
Experience
A compact timeline of the work behind the case studies.
Building a pre-launch AI-native product across Flutter, Supabase, UX/UI, Figma design systems, data modeling, product assets and structured AI workflows.
Why it matters
End-to-end product lab showing product strategy, mobile execution, backend architecture and AI workflow ownership.
Built the core MVP foundation for an AI-powered recruiting platform, including Supabase backend infrastructure, candidate/company flows, dashboards and AI-assisted matching workflows.
Why it matters
Created the technical/product foundation behind a funded startup milestone and continued V1 development.
Redesigned and developed production Flutter GPS tracking apps from Figma to store release as the sole mobile/frontend owner.
Why it matters
Mobile apps shipped across stores and remained in production after the engagement.
Capabilities
I work best where mobile execution, product thinking, UX/UI, backend logic and AI workflows need to move together.
01
Flutter apps built with strong UI execution, state management, production readiness and cross-platform delivery.

02
Product interfaces designed with hierarchy, clarity, motion, surfaces and implementation in mind.

03
Backend foundations for MVPs and product features using PostgreSQL, auth, RLS, Edge Functions and structured data.

04
AI-assisted product features built around structured outputs, backend constraints and real user flows.

05
End-to-end delivery from ambiguous product idea to working software, including deployment, debugging and handoff.

Availability
I’m open to remote Flutter/Mobile roles, contractor work and MVP/product builds across LATAM and global teams.
Looking for
Direct line: contact@christopherpaz.dev