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PromotEdge International

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Flutter developers · One codebase for iOS and Android · USA and Canada

Hire Flutter developers for iOS and Android apps

PromotEdge International lets businesses in the USA, Canada and other markets hire Flutter developers from our team. They build and maintain Flutter apps in Dart for iOS and Android, and release them from your store accounts. By the hour, part-time or full-time, in your repository and under your lead. Our delivery team is in India.

One codebase, two app stores, and fewer surprises at release time.

In short

Hire a Flutter developer for new screens, fixes and releases on a Flutter app, or to start one that must run on both phones from one codebase. Take one by the hour in blocks of 40 hours, part-time at 80 hours a month, or full-time at about 160.

Flutter work you can hand over

On an existing codebase or a new one.

01

Screens and features

Flutter widgets and screens in Dart, phone first.

02

State management

Clean state handling so the app stays predictable as it grows.

03

Platform features

Camera, location, push and offline storage through plugins or native code.

04

Store releases

Builds and submissions from your App Store and Google Play accounts.

05

Flutter upgrades

Moving to current Flutter and Dart versions, with plugins checked.

06

Tests

Widget and integration tests before each release.

Versions and tools we work with: Flutter and Dart, on the versions your app uses or the current ones.

Brands we have worked with

  • Fine Organics
  • Weichai
  • Novozymes
  • Dozco
  • SANY
  • Prezent
  • Honest AI
  • SCENNE
  • Sara International
  • Vega MPS
  • Desi Machine Pvt. Ltd.

Work delivered from India. Results are shared one to one, under NDA.

See all clients

  • Since 2015
  • Round the clock, as per your location
  • 4 pillars
  • We travel to our clients every 3 to 4 months
Talk to us

Tell us what you need

We use these details only to reply to you.

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How we work

  1. 01

    Tell us the goal

    A rough note through the form on what you sell and what needs to change.

  2. 02

    We study your market

    How people find you today, where inquiries get lost, then a call in your working day.

  3. 03

    A written plan

    The work, who does it and how it is measured. Nothing starts until you approve it.

  4. 04

    The work starts

    Our team in India does the work, with calls set in your working hours.

  5. 05

    Reports and visits

    Every number we report shows its source and date range, and we travel to our clients every 3 to 4 months.

How we work

A sample week with a hired Flutter developer

  1. 01

    Monday

    Stand-up in your overlap hours; tickets and crash reports reviewed.

  2. 02

    Tuesday and Wednesday

    Screens and fixes built on branches, with widget tests.

  3. 03

    Thursday

    Test builds sent to your phones on iOS and Android.

  4. 04

    Friday

    Feedback fixed, and a store release prepared when one is due.

How we check a Flutter developer before you meet them

Every developer passes four checks before you meet them: a technical test, a code review, a spoken interview in English and a reference check. Then you interview them yourself.

01

A review of real code

Flutter apps they have worked on, read for structure, state handling and tests.

02

A practical task

A small screen built in Flutter, reviewed by a senior colleague.

03

English and references

A spoken interview in English, and a reference check with people they have worked for.

04

Your interview

You interview the developer about your stack and your work, and approve them before they start.

Hourly, part-time or full-time

Pick by how much Flutter work you have.

A general guide, with no prices.
QuestionHourlyPart-timeFull-time
Fits whenFixes and OS updates a few times a yearA light, steady backlogAn app with work every day
Same developerWe aim for itWe aim for itWe aim for it
What you pay forThe hours worked, in blocks of 4080 hours a monthAbout 160 hours a month
How long you commitNo lock-inMonth to monthMonth to month

What hiring Flutter developers from us means

Flutter is Google's open-source toolkit for building apps for mobile, web and desktop from one codebase, in the Dart language. One codebase for iOS and Android can lower the cost of each feature, though some platform features still need native code. Our developers handle both.

By the hour or part-time: fit the hours to how much Flutter work you have. See hourly developers for how hours are agreed and logged. Hourly work is bought in blocks of 40 hours, and part-time is a steady 80 hours a month.

Want the work built for you instead? See our mobile app development company page, outsourced web development or all our software development services.

Cost

What a Flutter developer costs

We do not publish rates. We quote after we understand the role.

What affects the cost

  • Seniority
  • Hourly, part-time or full-time
  • How much native code the app needs

How we price

You see the rate and the terms in writing before anything starts. Every engagement is covered by an NDA, and the contract assigns the code and every deliverable to you once paid for; we keep no rights in it.

Questions buyers ask us

  • Yes. You buy hours in blocks of 40 and use them on the tasks you approve. See hourly developers for how it works.

  • Tell us which native iOS or Android code your app has. We put it in the technical test, and you check it in your own interview before you approve anyone.

  • You do. We work from your repository and release from your App Store and Google Play accounts.

  • Yes. You talk to the developer about your work before anything is signed. You approve every developer before they start.

  • Hourly work is bought in blocks of 40 hours. Part-time is 80 hours a month, and full-time about 160 hours a month. Every engagement runs month to month, with no long lock-in.

  • Yes. The first week is a paid trial on a real task from your backlog, so you can judge the developer before you go on.

  • Tell us, and we replace them within 10 business days at no extra cost.

  • Hourly work is bought in blocks of 40 hours; part-time is 80 hours a month and full-time about 160 hours a month, all month to month with no long lock-in. Every engagement is covered by an NDA, and the contract assigns the code and every deliverable to you once paid for; we keep no rights in it. You interview and approve every person before they start, and the first week is a paid trial on a real task. The people you hire are online at least 4 hours a day inside US Eastern time. If someone is not the right fit, we replace them within 10 business days at no extra cost. Every developer passes four checks: a technical test, a code review, a spoken interview in English and a reference check (for designers, a practical design test and a review of past work take the place of the first two). You get an estimate before work starts, hours go into a shared weekly timesheet that you approve before we bill, and the block you buy is your monthly cap unless you add hours in writing. Staff augmentation ends on 30 days' notice, with a handover.

  • Our developers work from India and are online at least 4 hours a day inside US Eastern time, with the rest of the overlap agreed to suit your day. We are available round the clock, 24x7, as per your location.

Tell us what is not working

A real person reads every message and replies.

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Four kinds of work. One plan.

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