Product engineering
Take loosely defined product ideas from initial decisions through implementation, release, iteration, and long-term ownership.
I build products from interface to production.
I’m Fernando, a senior product engineer.
I take customer-facing products from an idea to real users across web, mobile, APIs, data, testing, and production delivery.
6+ years · 4 independently shipped products · 125k+ platform users
Recent Projects
Selected work showing 0→1 product development, frontend engineering, connected systems, and production ownership.
Tidy Portal
Full-stack SaaS built with Next.js and Supabase, spanning multi-tenant routing, Google Drive sync, access controls, custom domains, and server-side workflows.
ParkZen
Production product platform serving 125k+ users, spanning customer-facing applications, APIs, payments, accessibility, integrations, and 15+ production launches.
Anti
Native iOS product taken from idea to App Store, with local-first data, backend services, subscriptions, widgets, and focused AI features.
Speak Lock
Native iOS product combining Screen Time controls, real-time transcription, backend services, and a short feedback loop designed around daily use.
View case study
Tidy Shop
Offline-first sales and inventory product built around transactional local data, multi-device synchronization, and reliable recovery workflows.
View case study
What I build
The product, frontend, backend, and delivery work behind software people can actually use.
Frontend & product systems
Build customer-facing products with React, Next.js, TypeScript, Flutter, and native platforms, connected to the APIs and data behind them.
Quality & reliability
Build with testing, accessibility, type safety, monitoring, and production debugging in mind so problems are caught before they reach users and stay fixed afterward.
Production delivery
Own CI/CD, integrations, releases, migrations, observability, and the work required to move a feature from a development environment into production.
Experience & background
Six years building customer-facing products, connected systems, and production software from initial requirements through release.
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. Own product work across Flutter, React, TypeScript APIs, SQL and NoSQL data, payments, integrations, accessibility, and CI/CD.
Delivered major systems end to end from loosely defined requirements through architecture, implementation, testing, rollout, and production support. Work includes marketplace workflows spanning web and mobile, payment infrastructure, customer integrations, parking detection, App Clips, and embedded application experiences.
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, 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 customer-facing product work across frontend, backend, data, and production delivery.
