Senior Flutter Developer - freelance

QA Automation Engineer

You will develop and maintain a robust automation framework for Flutter mobile applications and backend services. The role involves integrating autotests into CI/CD pipelines and ensuring the reliability of financial services through comprehensive functional and integration testing.

Flutter Tech Lead

You will own and drive the frontend mobile architecture for flagship products, ensuring high-performance, scalable, and stable Flutter applications. Additionally, you will mentor engineering teams, establish technical benchmarks, and align architectural roadmaps with product delivery goals.

Flutter Developer

You will architect and build scalable, cross-platform mobile applications using Flutter and Dart while overseeing the entire development lifecycle. You will also collaborate with backend engineers and product managers to translate UI/UX designs into responsive interfaces and ensure high performance.

Senior Full-Stack Engineer

Mobile Apps Software Product Management Lead

The lead will oversee the vision, strategy, and delivery of mobile applications while managing cross-functional teams across engineering, UX, and cybersecurity. They are responsible for translating mission needs into measurable product outcomes and ensuring secure, accessible, and reliable mobile experiences.

Senior App Developer

You will lead the design, development, and delivery of mobile and cross-platform applications while acting as the primary technical authority for the team. Additionally, you will mentor junior developers and collaborate with clients to modernize legacy codebases and implement effective technical solutions.

Senior Android Engineer

Build and own the native Android foundation for the Sekai mobile platform using Kotlin and modern architecture. Partner with cross-functional teams to integrate hybrid experiences and ensure high-quality, reliable performance across devices.

PROJECT APP DEVELOPMENT — CORE TEAM HIRING

The core team is responsible for the end-to-end development of a group-wide mobile application, covering everything from product design and architecture to deployment and continuous improvement. Each member owns a critical part of the product lifecycle while collaborating closely with the cross-functional team to ensure project milestones are met.

Senior FlutterFlow Architecture & Production Audit Consultant

Senior Flutter Developer 11 applicants

Architect, develop, and maintain complex Flutter applications from conception through deployment. Translate intricate UI/UX designs into high-quality code while ensuring performance and responsiveness.

Senior Enterprise Architect

The Enterprise Architect serves as the primary technical driver for delivering high-quality digital experience and marketing solutions for global enterprise customers. They are responsible for developing architectural plans, leading diverse delivery teams, and aligning project activities with client business objectives.

Flutter Developer | Senior 19 applicants

Develop and maintain the client application across multiple platforms including iOS, Android, Windows, and Linux. Manage features end-to-end from technical design and implementation to release and performance monitoring.

Senior Software Engineer

You will take end-to-end ownership of features across the full stack, from architectural design to production deployment. Additionally, you will act as a product-minded partner to translate user needs into technically sound solutions while mentoring teammates and maintaining system health.

Mobile Developer (Flutter) 11 applicants

Develop mobile applications using Flutter according to project requirements and design solutions with a focus on code clarity. Collaborate with back-end and mobile development teams while maintaining comprehensive project documentation.

Flutter & Node.js Fullstack Engineer (f/m/d) - Fully Remote

You will evolve the existing Flutter mobile application and design Node.js APIs to support new features. You will work closely with medical and product teams to solve user needs and maintain high engineering standards for a regulated medical product.

Principal Mobile Engineer (Flutter / React Native, AI-Assisted Development)

You will architect and build high-quality, cross-platform mobile products while providing technical leadership to cross-functional teams. The role involves integrating AI-assisted coding tools to accelerate delivery and mentoring other engineers to maintain high technical standards.

Mobile App Developer (Flutter / React Native)

Senior Enterprise Architect

The Enterprise Architect serves as the primary technical driver for delivering high-quality digital experience and marketing solutions for global enterprise customers. They are responsible for developing architectural plans, leading delivery teams, and aligning technical solutions with client business objectives.

Senior Enterprise Architect

The Enterprise Architect serves as the primary technical driver for delivering high-quality digital experience and marketing solutions for global enterprise customers. They are responsible for developing architectural plans, leading cross-functional delivery teams, and aligning technical solutions with documented business objectives.

Senior Enterprise Architect

The Enterprise Architect serves as the primary technical driver for delivering high-quality digital experience and marketing solutions for global enterprise customers. They are responsible for developing architectural plans, leading delivery teams, and aligning project activities with client business objectives.

Senior Full Stack Developer

Design and develop end-to-end features across the full stack, including mobile, web, and backend services. Collaborate with product, QA, and engineering teams to deliver high-quality, tested, and well-documented solutions.

iOS Developer (UIKit & SwiftUI) - Remote

Design, develop, and maintain native iOS applications using UIKit and SwiftUI while managing integrations with embedded Flutter layers. Drive architecture decisions, ensure code quality standards, and collaborate with cross-functional teams to deliver high-quality mobile solutions.

Software Engineer, Mobile (Flutter)

You will own feature areas end-to-end, from the interface through the data layer to the native code, while maintaining architectural consistency across the mobile app. You will collaborate with cross-functional teams in San Francisco and Hyderabad to ship features that support both human users and AI agents.

Werkstudent Mobile Development (m/w/d)

You will contribute to the development of new features within an existing Flutter codebase and manage the release process for the Apple App Store and Google Play Console. Additionally, you will be responsible for analyzing and resolving bugs and performance bottlenecks to ensure a high-quality user experience.

Senior Architect, Solutions

You will own the architecture of global web and mobile platforms, leading the modernization of legacy portals into scalable, cloud-native AWS solutions. The role involves a mix of high-level solutioning, hands-on .NET development, and mentoring engineering team members.

PL Desenvolvimento Full Stack Mobile (Flutter/Java)

Develop and maintain mobile applications using Flutter while creating and supporting Java-based APIs and microservices. Collaborate with multidisciplinary teams to ensure seamless integration and high-quality digital product delivery.

Sr. Fullstack Developer

Design, build, and maintain scalable RESTful APIs and microservices using .NET and Java within Azure cloud architectures. Support the development and maintenance of mobile frontend applications using Flutter while managing build and packaging environments.

Mobile Application Software Engineer

Software Engineer (Full-Stack) | Japan-based

The developer will lead back-end development using Python and FastAPI while contributing to front-end features in React. They will also design scalable systems, integrate financial data providers, and maintain containerized applications in an async-first environment.