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Hire Top 1% Remote Flutter App Developers in 24 hrs

UltraGenius is a marketplace for top software developers, engineers, programmers, coders, architects, and consultants. Top start-ups and companies choose developers from UltraGenius platform for their critical software projects.
Hire from UltraGenius network & scale your engineering team in a matter of few days.

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Hire only the best Flutter App Developers among the 20K+ engineers who have applied to UltraGenius


Flutter Developer

Rishabh is a software engineer having 7+ years of experience in software development using Flutter programming language. He is an expert in functional programming and researches.

Expert in


Core Java




10 Years


Full Time


Flutter Developer

Mahesh is a software engineer having 3+ years of experience developing software applications using Flutter programming language. He is also expertise using Javascript.

Expert in






10 Years


Full Time


Part-time Flutter Developers

John is a software engineer having 10+ years of experience in software development using Flutter programming language. He is an expert in functional programming and researches.

Expert in






10 Years


Full Time

Hire top talented Flutter developers with UltraGenius

Flutter is a general purpose functional programming language used for mathematical computation and researches. Flutter helps Flutter App Developers to deliver high performance and quality software to use.

What UltraGenius offers?

Fast Hiring

ultraGenius ensures that top quality developers with the most talent are hired in less than 72 hours.

Intelligent Matching

The matches are specifically curated as per your needs. We dim fit 3 skills - Tech, Culture, and Context Fit.

Rigorous Vetting

ultraGenius conducts tests and ensures that only the most suitable developer with the best skills is hired.

Hire best Flutter App Developers through UltraGenius in 4 easy steps

Tell us the skills you need

We’ll schedule a call and understand your requirements.

We find the best talent for you

Get the list of pre-vetted candidates in days.

Schedule the interviews

We will arrange a call after understanding your requirements.

Begin your trial

Start working with UltraGenius with a 1-week trial period.

Our Happy Clients

UltraGenius is the best remote talent network to meet with brilliant developers who are most talented and skilled in the technical field. UltraGenius provides the most fit developers who not only match our job requirements but also our company's culture and working environment.
Once you are part of UltraGenius, you don't have to look for another platform which can find the top skilled developers with same effort as UltraGenius. UltraGenius's vetting tests and assessments are unmatchable and provides the perfect match for the job role.
Our company is thankful to UltraGenius wholeheartedly. UltraGenius's pace of finding the top 1% developers is unmatchable. Not only UltraGenius developers are the ones who match our job requirements but also the best fit to our company's working culture .
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Join 200+ Fast-scaling Start ups
and Fortune 500 Companies that have hired Flutter developers

Want to hire Flutter developers on your own? Here are the skills you must look for while hiring a Flutter developer

Hiring Flutter developers might be an intricate task for you if you are a non-technical manager. Flutter is the cross-platform development framework has the ability to write one code and can deploy on the various platform like Android, iOS, and Desktop. So, UltraGenius is here to assist you while recruiting the top talented developers Flutter is the cross-platform development framework has the ability to write one code and can deploy on the various platform like Android, iOS, and Desktop. developers on your own. UltraGenius understands your job requirements and gets you only the top developers who have in-depth knowledge of software development.

The following skills you must look for while hiring a Flutter developer – 

Steadfast knowledge of HTML and CSS

Knowledge of HTML (Hypertext Markup Language) and CSS (Cascading Style Sheets) is very important for a Flutter developer. You must hire such a Flutter developer who has practiced and worked deeply with these technologies. Knowledge of Flexbox and CSS Grid, in addition to Bootstrap, Semantic and Structural Styling, and Foundation is a must to a Flutter developer. Along with this, the Flutter developer should be well-versed in Javascript libraries especially jQuery and CSS grid systems. 

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Understanding about Software Development Tools

SDK and JDK are the development tools which are used by developers in creating program on any platform. SDK which is also called software development kit mainly included tools like processes, libraries, API, compiler, code samples, debugger, guides etc. While JDK stand for Java Development kit which is combine package of JVM, JRE and JDK technology package.

Java and Kotlin Programming Language

Kotlin uses Java, JavaScript, Java Virtual Machine, and Native for creating the application, so the basic knowledge of Java programming language is needed. Java is object-oriented programming language which has functionality of reusing the code. Basic concepts of Java are important as the objective remains same. Kotlin or Java is used while integrating with Android Studio and swift on iOS application.

You must check the Flutter developer’s knowledge of Java and Kotlin, as these components streamlines the development process and ensures that a web application looks best.

Knowledge of Dart Programming Language

Dart programming language has a type either string or number of each value you use and it is known when the code is compiled. unlike other programming languages, dart supports the common concepts of programming languages like classes, interfaces, functions. Dart does not support array but has collection, which is used to replicate the data structure such as arrays, generics, and optional typing.

Understanding of SQLite Database

SQLite is a popular database software library used for flutter which provides a relational database management system for data storage.  Flutter provides many packages like sqflite and Firebase to work with the database. sqflite database gives permission to access and manipulate SQLite database while Firebase database will allow you to access and manipulate the cloud database.

Along with this, the Flutter developers must know how to insert, update, delete, and commit commands, as it allows developers to work independently on the code.

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Understanding of software development life cycle(SDLC)

The Software Development Life Cycle (SDLC) is a framework for developing applications that follow technological needs and consumer requirements. Candidate should have knowledge and participate in the full software development life cycle including analysis, design, implementation, and testing. The goal of software development process is to create high-quality software on time and within budget.

Ability to cross browser compatible code

You must hire the Flutter developers based on their ability to write cross browser platform compatible code. With cross-browser compatibility, your website will have an increasing traffic and it will deliver the best user driven experience, independent of the browser on which it is running on.

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Proficient in writing optimized and readable code

To streamline the development process, the Flutter developers must be proficient writing clean and high-performance optimized code that is understandable by all the team members.

Pay only after one week trial period

Connect with the top 1% Flutter developers of the world at the lowest prices

While hiring the Flutter developer one should have experience in developing both Android and iOS apps and recruiting the best Flutter developers is not an easy job as there is number of developers that are competing to grab the job opportunities.

Top Interview Questions to ask while hiring a Flutter developer

Flutter is a UI toolkit for creating natively compiled mobile applications with single programming language and a single codebase that can run on both Android and iOS platforms

The main() is used to start the function and does not all to write any program without without main().

runApp() return the widgets that are linked to the screen as a root of the widget tree that will be rendered on the screen. It is used to call the main() function.

Dart is object-oriented programming language which consist of similar syntax like C programming and helps in creating UI for web and mobile apps.

The lib folder stores the project’s core that is the Dart files.

iOS and Android folders contain tools to obtain required permissions and platform-specific functionality.

  • Android Studio: It is free, open-source, and the fastest tool used to build an app on every type of android device.
  • Visual Studio: Visual Studio Code or VS Code IDE is a famous editor in the market for developing the Flutter application.
  • IntelliJ IDEA: It the most powerful and popular IDE among developers, which is developed and maintained by JetBrains Company
  • Emacs: It is a lightweight IDE that provides support for app development using Flutter and Dart

sqflite database and Firebase database packages are used in Flutter

  • sqflite gives permission to access and manipulate SQLite database.
  • Firebase will enable you to access and manipulate the cloud database.

Debug Mode: This mode enables debugging of apps on a material device, emulator, or simulator. declarations and service extensions are allowed formerly.
Profile Mode: In this mode, some debugging capacities are conserved, sufficiently to analyze the app's performance while testing. Tracing and some extensions are allowed in this case.
Release Mode: When deploying the app, this mode is applied to minimize the size of the footstep and maximize optimization. Debugging, declarations and service extensions are disabled formerly.

Stateless Widget: A widget that does nothing is a Stateless Widget. In substance, they're stationary and do not reposit any state. Therefore, they do not save values that may alter.
Stateful Widget: A widget that does anything is a Stateful Widget. Stateful widgets are robust by character, which means they can cover changes and modernize the UI consequently.

If you are trying to hire a Flutter Developer. Here is the Flutter Developer Job Description that you can use in your hiring.

Frequently Asked Questions

UltraGenius is one of the leading platforms for hiring remote talent and connecting developer and part-time developers with Silicon Valley businesses. We focus on finding the best talents who will perform extremely well and will be easily integrated into your teams. We filter out only the top 1% most skilled developers among the 20K+ developers who have applied on our platform. Candidates have to prove their self-reported experience by giving Ultragenius’ s skill tests.

UltraGenius first tests the developer’s skill set by conducting a two and half hour hiring test. Our hiring test judges a candidate on all aspects like aptitude, case study analysis, verbal and reasoning, coding questions based on data structures and algorithms, software engineering, system design, and more. Then, there is another round for the candidates who are selected from this round called “Higher-level Assessment Skill Test”, which is a video round that deeply analyzes Flutter developers’ major skills and asks questions about the projects they have worked upon.

Fill up the form which is on every hiring developer’s page and we will inform you once we select the top 1% Flutter developers matching your job requirements.  After analyzing the candidates based on their resumes and two assessment tests, we provide you the feedback quickly. And if the developers selected by our team are fit for your job role, then we also provide the onboarding.

UltraGenius offers you only the most skilled developers who are top 1% among the 20K+ developers who have applied on our platform. After a rigorous selection and testing process, we sort out only the top candidates for you. You can check out UltraGenius’ s selection process for hiring Flutter developers on

UltraGenius provides you the best facility to hire developers in more than 50 skills like React, Angular, Javascript, Node, Java, Python, Magento, Ruby On Rails, Golang, PHP, WordPress, .NET, Android, iOS, DevOps, Machine Learning, and many more.