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
Product Engineering, Platform & Integrations
Helped scale ParkZen from one customer to 10+ customer organizations and 125k+ platform users, owning product work across Flutter, React, TypeScript APIs, PostgreSQL and Firebase, payments, location systems, and third-party integrations.
Delivered end-to-end features from architecture through rollout and production support, including a centralized payment API migration, a parking marketplace spanning web, mobile, and enforcement systems, a cross-platform parking-detection engine, App Clips, and embedded customer integrations.
Manage configuration, QA, and releases across 15+ customer-branded apps. Review pull requests 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 product and delivered backend and data functionality including automated invoices, QuickBooks-compatible accounting workflows, and advanced SQL queries.
Jun 2020–Nov 2022
Mobile App Developer, Contract · Dossi
Built a 50+ screen product spanning authentication, user profiles, chat, databases, payments, and the complete mobile experience.
B.S. in Business Engineering
Combined software engineering with economics, finance, quantitative analysis, and business strategy.
Academic Merit Award recipient
15+ production launchesCustomer iOS and Android applications
Top 3% on Upwork$100k+ earned · 100% Job Success
3 languagesEnglish · Spanish · Portuguese
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.
