ER Freelancer

Freelance Mobile App Developer in Brazil

Freelance mobile app developer for Brazil: iOS and Android apps from one codebase. Planned for the LGPD, local payments and your time zone.

Overview

Cross-platform iOS and Android apps (Flutter or React Native) with secure APIs, push notifications, payments and app-store submission handled for you. Projects for Brazil run remotely, with a daily call window agreed for your city's time zone. Scope, milestones and ownership are agreed in writing before work starts.

Brazil-specific requirements to plan for

Projects for businesses in Brazil have to work for local customers and local rules. These points are planned from the first milestone:

  • LGPD (Lei Geral de Proteção de Dados, Law 13,709/2018): The ANPD enforces the LGPD — you need a legal basis for each use of customer data and a named data officer (encarregado).
  • Payment methods customers in Brazil expect: Pix, Boleto, Mercado Pago, PagBank (PagSeguro), Stripe and card instalments.
  • Interface and content languages: Portuguese.

Source: ANPD — LGPD (Law No. 13,709/2018)

This is practical delivery guidance, not legal advice.

Typical mobile app developer projects for businesses in Brazil

Brazil’s key sectors include agriculture & food, finance & fintech, retail & d2c brands and start-ups & saas.

  • Retail & D2C brands: inventory, order and loyalty management connected to the store.
  • Start-ups & SaaS: an MVP web app with authentication, billing and an admin panel.
  • Agriculture & food: procurement, traceability and distributor-order software.
  • Finance & fintech: a customer dashboard with KYC steps, statements and role-based access.

Mobile App Developer for businesses across Brazil

Projects are planned for the market each business sells into. Cities covered in Brazil:

  • Belo Horizonte: capital of Minas Gerais, with mining, manufacturing and a well-known start-up community.
  • Curitiba: a planned southern Brazilian city with automotive manufacturing, logistics and IT companies.
  • Rio de Janeiro: a tourism, energy and media city with major oil-and-gas companies and a large services economy.
  • São Paulo: latin America’s largest business centre, with banks, retailers, media groups and most of Brazil’s start-ups.

Working hours: India ↔ Brazil

Brazil spans several time zones, so a fixed daily call slot is agreed for your city — for example 08:00–11:00 in Sao Paulo (16:30–19:30 IST). Between calls you get written updates and a staging link that shows the latest build.

Decisions to make before work starts

Map sign-in, roles, notifications, payments and device permissions. Decide how data synchronization handles interrupted connections. Prepare release assets and store-account access as separate dependencies.

Deliverables to agree in your scope

  • Interactive mobile wireframes and high-fidelity prototypes
  • Production-ready iOS and Android application binaries
  • REST / GraphQL API backend integration and offline data sync
  • Authentication, push notifications, and device hardware integration
  • App Store and Google Play review submission packaging
  • One codebase for iOS and Android
  • App Store and Google Play submission handled
  • Analytics and crash reporting from day one

Technology options

  • React Native
  • Flutter
  • iOS Swift / Android Kotlin
  • Node.js / Firebase backend
  • GraphQL

Questions for your project brief

  • Which platforms do you need to target?
  • What are the top 3 core capabilities of the app?
  • Do you have an existing backend API?
  • Does your application require right-to-left (RTL) or Arabic language support?

How the quote is scoped

These factors affect the work involved:

  • Number of unique screen templates
  • Third-party SDK integrations (payments, maps)
  • Offline sync architecture
  • Backend complexity

Share your budget in BRL or USD. The schedule, payment milestones, external charges and support terms are agreed in writing before work starts.

Review and handover

Test the agreed device matrix, account recovery, permission denial, offline behavior and API errors. Store submission can be in scope; approval timing is decided by the store. Source-code and asset ownership, licences, account access and ongoing support are set out in the project terms.

Can I hire a freelance mobile app developer for a project in Brazil?

Yes. Share your goals, timeline and budget and you receive clarifying questions or a scoped, milestone-based proposal. Work runs remotely, with written updates and a staging link you can review at any time.

How much does a freelance mobile app developer cost in Brazil?

It depends on number of unique screen templates, third-party SDK integrations (payments, maps), offline sync architecture and backend complexity. There are no fixed packages: share your budget in BRL or USD and receive an itemised, milestone-based proposal.

How long does a mobile app project take?

The service catalog lists a typical range of 30 - 75 days; the real plan depends on scope, integrations and content readiness.

Will the project follow the LGPD in Brazil?

The build is planned around the LGPD (Lei Geral de Proteção de Dados, Law 13,709/2018): consent capture on forms, a clear privacy notice, data minimisation and suitable hosting. The ANPD enforces the LGPD — you need a legal basis for each use of customer data and a named data officer (encarregado). Final legal wording should be checked by your legal adviser. Official reference: https://www.gov.br/anpd/pt-br/centrais-de-conteudo/outros-documentos-e-publicacoes-institucionais/lgpd-en-lei-no-13-709-capa.pdf

Which payment methods can be integrated for Brazil?

Common options include Pix, Boleto, Mercado Pago, PagBank (PagSeguro), Stripe and card instalments. Gateways are chosen around your customers, settlement currency (BRL) and fees, and the full checkout is tested on mobile.

Which time zone will the project run in for Brazil?

A daily call slot is fixed for your own city's time zone; Brazil spans several zones.

Other services in Brazil

Mobile App Development by city in Brazil

Raji

Founder & freelance developer

Rajeev, known as Raji, is the founder of ER Freelancer. Work directly with him on websites, applications and business software, with remote collaboration available worldwide.

Based in India · available remotely

Available for remote projects worldwide

Languages: English, Hindi