Sr Flutter Developer

Lenmar Consulting Inc; Charlotte (NC); On-site; USD 103,155,000 - 171,924,000; Full time

Job summary

Lenmar Consulting Inc. seeks a Sr Flutter Developer to design, develop, and maintain cross-platform mobile apps for Android and iOS. The role emphasizes Flutter/Dart expertise, state management, and API integration in a fast-paced environment.

Location is Charlotte, NC with Tues–Thurs onsite and Monday/Friday work‑from‑home. USC or GC holders on W2 only; 12+ month engagement with a competitive hourly rate.

Qualifications

• Bachelor's degree in CS/IT or related field or equivalent experience.
• 5+ years of Flutter development experience.
• Strong knowledge of Dart language.
• Experience with Android and/or iOS application development.
• Knowledge of REST APIs, JSON, and HTTP protocols.
• Experience with Firebase services (Auth, Firestore, Cloud Messaging, Analytics, Crashlytics).
• Familiarity with Git and version control systems.
• Understanding of mobile UI/UX design principles.
• Experience with local databases such as SQLite or Hive.

Responsibilities

• Develop and maintain mobile applications using Flutter and Dart.
• Build responsive, reusable, and efficient UI components.
• Collaborate with designers, backend developers, and product managers to deliver high-quality applications.
• Integrate RESTful APIs, Firebase, and third-party services.
• Write clean, maintainable, and well-documented code.
• Debug, troubleshoot, and optimize application performance.
• Implement state management solutions such as Provider, Riverpod, Bloc, or GetX.
• Conduct unit testing, widget testing, and integration testing.
• Participate in code reviews and follow best coding practices.
• Publish and maintain applications on the Google Play Store and Apple App Store.
• Stay up to date with Flutter updates and emerging mobile technologies.

Skills

Flutter development

Dart programming

REST APIs

Firebase services

Git version control

Mobile UI/UX

SQLite/Hive

Education

Bachelor's degree in Computer Science or related

Tools

Android Studio

Xcode

Firebase

Job description

Sr Flutter Developer

Sr Flutter Developer - CPGJP00001969

Location: Charlotte, NC (Tues-Thurs onsite, WFH Monday and Friday)

Max Pay Rate: $60/hr W2 (No Benefits)

Duration - 12 months +

USC and GC only on W2 at this time

Job Description

We are seeking a talented Flutter Developer to design, develop, and maintain high-quality cross-platform mobile applications. The ideal candidate should have strong experience with Flutter, Dart, and mobile application development, with the ability to build scalable, responsive, and user-friendly applications for Android and iOS.

Key Responsibilities

• Develop and maintain mobile applications using Flutter and Dart.
• Build responsive, reusable, and efficient UI components.
• Collaborate with designers, backend developers, and product managers to deliver high-quality applications.
• Integrate RESTful APIs, Firebase, and third-party services.
• Write clean, maintainable, and well-documented code.
• Debug, troubleshoot, and optimize application performance.
• Implement state management solutions such as Provider, Riverpod, Bloc, or GetX.
• Conduct unit testing, widget testing, and integration testing.
• Participate in code reviews and follow best coding practices.
• Publish and maintain applications on the Google Play Store and Apple App Store.
• Stay up to date with Flutter updates and emerging mobile technologies.

Required Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent experience).
• 5+ years of experience in Flutter development.
• Strong knowledge of Dart programming language.
• Experience with Android and/or iOS application development.
• Knowledge of REST APIs, JSON, and HTTP protocols.
• Experience with Firebase services (Authentication, Firestore, Cloud Messaging, Analytics, Crashlytics).
• Familiarity with Git and version control systems.
• Understanding of mobile UI/UX design principles.
• Experience with local databases such as SQLite or Hive.

Preferred Qualifications:

• Experience with native Android (Kotlin/Java) or iOS (Swift).
• Knowledge of CI/CD pipelines.
• Experience with payment gateway integration.
• Familiarity with Agile/Scrum development methodologies.
• Experience integrating maps, notifications, and location services.