Mobile platforms
Build cross-platform products and native experiences using Flutter, Swift, Kotlin, App Clips, CarPlay, Android Auto, maps, and background services.
I build mobile apps and the systems behind them.
I’m Fernando, a senior product engineer
I take complex product work from architecture to production across mobile, native platforms, backend systems, payments, and integrations.
6+ years · 10+ customer organizations · 125k+ platform users
Recent Projects
Selected work showing mobile platform depth, connected systems, and end-to-end product ownership.
ParkZen
White-label mobile platform combining location detection, payments, native integrations, and customer-specific deployments.
Speak Lock
Native iOS app that requires a short AI-scored speaking exercise before opening selected distracting apps.
Anti
Privacy-conscious iOS expense tracker with local data, conversational logging, widgets, and scoped AI insights.
What I build
The platforms, integrations, and delivery work behind dependable products.
Product systems
Design and deliver complete functionality across mobile applications, APIs, databases, dashboards, and cloud infrastructure.
Payments and integrations
Connect payment providers, partner APIs, customer platforms, location data, enforcement systems, and transactional workflows.
Production delivery
Own testing, accessibility, CI/CD, releases, monitoring, migrations, and customer launches.
Experience & background
Six years owning mobile products, connected platforms, integrations, and production delivery.
Nov 2023–Present
Full-Stack Developer · ParkZen / Parking Guidance Systems
Mobile Platform, Backend & Integrations
Helped scale ParkZen from one customer to 10+ customer organizations and 125k+ platform users. Independently delivered major systems across Flutter, native iOS and Android, TypeScript APIs, payments, location detection, integrations, accessibility, and CI/CD.
Managed the configuration, QA, and production release of 15+ customer-branded apps. Delivered end-to-end systems from architecture through launch, including a cross-platform parking-detection engine, App Clips, CarPlay and Android Auto, payment migrations, marketplace workflows, and customer integrations.
Review pull requests across the team and mentor a new engineer through onboarding, technical documentation, task planning, and implementation guidance.
May 2023–Nov 2023
Lead Mobile Developer, Contract · Marshmallow
Led a team of four developers building a Flutter-based food-delivery product across mobile, web, and Google Cloud systems.
Nov 2022–May 2023
Mobile App Developer, Contract · Prüfen Watch
Restructured an existing app and added automated invoices, QuickBooks-compatible accounting workflows, and advanced SQL queries.
Jun 2020–Nov 2022
Mobile App Developer, Contract · Dossi
Built a 50+ screen networking app with authentication, chat, databases, and secure payments.
B.S. in Business Engineering
Combined software engineering with economics, finance, and business strategy.
Academic Merit Award recipient
15+ branded launchesCustomer iOS and Android apps
Top 3% on Upwork100% Job Success
3 languagesEnglish · Spanish · Portuguese (working proficiency)
Looking for an engineer who can own the whole feature?
I’m interested in remote senior roles where I can take meaningful product work across mobile, backend, integrations, and production delivery.
