Flutter Developer

KTO Group

. Develop and maintain mobile applications using the Flutter framework .

Posted 9/21/2026full-timeRemote • BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and maintaining mobile applications using the Flutter framework, with a strong focus on performance, quality, and responsiveness. Proficient in collaborating with cross-functional teams and integrating third-party services to deliver high-quality software solutions.

Highest-signal resume keywords

Flutter DevelopmentIGaming ExperienceRESTful APIsCI/CD PipelinesAgile Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Mobile Application DevelopmentThird-Party LibrariesUnit TestingNative Android DevelopmentNative iOS DevelopmentMobile DatabasesApplication Performance OptimizationBug Identification and FixingHigh-Performance Application DesignScalable Application Implementation

Soft Skills

Problem-SolvingCommunicationDetail-OrientedCollaborationTeamwork

Industry Keywords

Mobile Development Life CycleCross-Functional CollaborationProject DeliveryApp Store PublishingGoogle Play Publishing

Tech Stack

Tools & technologies

AndroidFlutteriOS

About the role

Key responsibilities & impact

Develop and maintain mobile applications using the Flutter framework
Collaborate with cross-functional teams to define, design, and ship new features
Ensure the performance, quality, and responsiveness of applications
Identify and fix bugs, and improve application performance
Work with external data sources and APIs
Unit-test code for robustness, including edge cases, usability, and general reliability
Collaborate with team members and stakeholders to ensure successful project delivery
Efficiently distribute resources to meet project timelines and organisational objectives
Design and implement high-performance, scalable, and maintainable mobile applications
Add new features to and maintain the KTO mobile app

Requirements

What you’ll need

Proven experience as a Flutter Developer or Mobile App Developer
Proven experience working in iGaming
Strong knowledge of the Flutter framework
Experience with third-party libraries and APIs
Solid understanding of the full mobile development life cycle
Familiarity with RESTful APIs and mobile databases
Experience integrating third-party services and libraries
Ability to work in a collaborative team environment
Excellent problem-solving and communication skills
Detail-oriented and committed to delivering high-quality software
Experience with native Android and iOS development
Knowledge of CI/CD pipelines and automated testing
Familiarity with Agile development methodologies
Published one or more applications to the App Store or Google Play
Advanced communication in English and Portuguese
Ability to collaborate with cross-functional teams

Benefits

Comp & perks

Inclusive environment where everyone feels valued and empowered
Opportunity to grow knowledge in the iGaming market