I turn complex operations into clear, fast and scalable iOS apps and Salesforce systems. Strategy, UX, engineering and launch under one product direction.
VitalsPath
Medicina
Shield
Productividad
StreakReps
Salud y forma física
Apple
Native experience
Status
3 active products
Each product combines research, native experience, automation and a technical foundation designed to evolve after launch.
Medicina
Family health, medications, and appointments in a single private space.
Organize medications, symptoms, vitals, appointments, and shared care with family profiles, Apple Watch, and medical reports.
Salud y forma física
Workout tracking for consistent strength progress.
Plan workouts, log every set from iPhone or Apple Watch and understand strength, recovery, volume and consistency.
Productividad
Protect your identity before sharing a document.
Hide unnecessary personal data in general or identity documents and share only what each process requires.
Swift, SwiftUI, Watch, widgets, Live Activities, HealthKit and release.
Processes, Flows, integrations and data connected to real operations.
Information architecture, prototyping, interaction design and accessibility.
Supabase, Firebase, APIs, authentication, events and scheduled jobs.
Users, business, constraints and success signal.
What to build now, automate and deliberately leave out.
Real flows before committing architecture and time.
Product, data, integrations, quality and observability.
Release, support, metrics and evidence-led iteration.
Performance, progressive loading and immediate feedback are part of UX.
Permissions, data and automation are communicated without ambiguity.
Architecture accounts for support, metrics, learning and future versions.
iOS Developer & Salesforce Consultant
Certifications
9x Salesforce
Location
Valencia, España
I’m Lester Romero Bernardo, a software engineer and consultant based in Valencia. I combine Salesforce, data architecture and Apple development to reduce handoffs, ambiguity and product debt.
You will get a direct response with concrete questions, early risks and the best next step. No generic sales deck.
Prefer direct email?
romerodev.app@gmail.comNo. I can own an end-to-end product or step into a critical phase: UX audit, architecture, Salesforce automation, stabilisation or release readiness.
I first separate goals, risks and unknowns, then define a measurable first delivery with clear acceptance criteria.
Yes. I start with a technical and UX audit to preserve what works, locate debt and sequence improvements without an unnecessary rewrite.
Yes. Work can include data models, authentication, automation, APIs, privacy, analytics, App Store Connect, initial ASO and post-launch support.
