Ryan is available for hire

Ryan Ramchandar, P.Eng.

Verified Expert in Engineering

Full-stack Developer

Location

Winnipeg, MB, Canada

Toptal Member Since

May 24, 2023

Ryan是一名资深的Flutter开发人员，拥有12年以上的应用程序开发经验，擅长制作视觉吸引力, user-friendly mobile apps. Passionate about UI/UX, 他的计算机工程背景为许多成功的应用程序的发布做出了贡献. Ryan的技术技能和设计专业知识的融合使他成为寻求熟练的Flutter开发人员的公司的首选.

Full-stack Development Full-stack Front-end REST APIs Cross-platform Dart Internet of Things (IoT)TestFlight Android iOS Kotlin Swift MacOS C#.NET ISO 9001 Flutter AOSP

Portfolio

Windometer

Flutter, Dart, REST api，移动应用程序，api，移动开发，全栈...

Ottawa Bus Live

Flutter, Dart, REST api，地图，移动应用程序，api，移动开发...

Winnipeg Bus Live

Android, iOS, Kotlin, Swift，地图，移动应用程序，api，移动开发...

Experience

Mobile Apps - 12 years Mobile UI Design - 12 years Full-stack Development - 12 years REST APIs - 12 years Mobile UX Design - 12 years Dart - 5 years Flutter - 5 years Figma - 1 year

Availability

Full-time

Preferred Environment

MacOS, IntelliJ IDEA, Flutter, Dart, Visual Studio Code (VS Code)

The most amazing...

...我开发的应用程序是一个交通应用程序，可以显示温尼伯市的实时公交时刻表，有20人使用,000+ daily, with 4 out of 5 stars and 1,000+ reviews.

Work Experience

Full-stack App Developer

2022 - PRESENT

Windometer

开发了一个Flutter应用程序，可以实时显示风速和风向, including a rotating wind compass.
Built features like real-time wind compass, current wind speed and gust, and hourly and daily forecast for any city. 用户可以添加多个位置并搜索不同的城市.
将应用程序与第三方天气api(如Dark Sky和Apple weather)集成，用于风向度量，并允许设备传感器用于指南针方向.
在app Store上线，每日用户超过1000人. It will soon be available in the Google Play Store.

Technologies: Flutter, Dart, REST api，移动应用程序，api，移动开发，全栈, Mobile, Front-end, Architecture, Cross-platform, Software Architecture, Riverpod, TestFlight

Full-stack App Developer

2020 - PRESENT

Ottawa Bus Live

Developed a Flutter mobile app for the City of Ottawa. 这款安卓和iOS应用程序允许用户实时查看任何站点和公交位置的实时公交时刻表, find nearby stops on a map, save their favorite stops, and search.
Released the app in the App Store and Google Play.
在Android和iOS平台上成功发布了相同的代码库, accelerating code reuse and maintainability.

Technologies: Flutter, Dart, REST api，地图，移动应用程序，api，移动开发, Full-stack, Mobile, Front-end, Architecture, Cross-platform, Software Architecture, TestFlight

Full-stack App Developer

2011 - PRESENT

Winnipeg Bus Live

为温尼伯市开发了一个安卓和iOS的交通移动应用程序，允许用户查看任何站点的实时公交时刻表, view nearby stops on a map, save their favorite stops, and search.
在原生Android (Kotlin)和iOS (Swift)上构建应用程序.
下载量超过10万次，日活跃用户超过2万，为游戏的成功做出了贡献.5-out-of-5 rating, and over 1000+ unique store reviews.

Technologies: Android, iOS, Kotlin, Swift，地图，移动应用程序，api，移动开发, Full-stack, Mobile, Front-end, Architecture, Software Architecture, TestFlight

Lead Architect | Full-stack Developer

2022 - 2024

Cubresa Inc.

Spearheaded the design, development, 使用Dart和Flutter对BrainPET软件的前端应用程序进行测试, 提升了Cubresa在脑研究高性能成像解决方案方面的地位.
Pioneered intuitive UI/UX in Figma, 增强工作流程，使医学专业人员能够有效地可视化和解释正电子发射断层扫描(PET)分子成像.
利用Riverpod应用程序架构构建了一个健壮的前端应用程序, 确保软件在可伸缩性方面达到关键基准, modularity, usability, and testability, 树立医学影像软件设计新标准.
Ensured rigorous compliance with ISO 14385, IEC 62366, 和IEC 62304标准，同时符合患者隐私和HIPAA合规性. 这为BrainPET系统即将获得FDA 510(k)和加拿大卫生部的批准奠定了基础.

Technologies: Dart, Flutter, Figma, Riverpod, Application Architecture, Medical Devices, Medical Software, REST APIs, Full-stack, Front-end, Architecture, Cross-platform, Software Architecture, CI/CD Pipelines

Lead Architect | Full-stack Developer

2014 - 2021

Umbrela Inc.

Championed comprehensive software architecture, UI, UX, and product design endeavors, establishing Umbrela Smart Inc. as a vanguard in innovative smart product solutions, driving company growth and product diversification.
Directed a dynamic software development team, 熟练地监督各种平台的集成，如微控制器, embedded Linux systems, mobile apps, and AWS cloud infrastructures, ensuring seamless product experiences for users.
为定制的硬件和PCB开发定制的Android应用程序, optimizing performance and ensuring seamless integration, 显著提升设备的用户体验和功能.
领导开发了一个细致的跨多个平台的全栈架构, from embedded systems to cloud environments, assuring impeccable performance and reliability, setting new industry benchmarks.
Pioneered a cutting-edge software deployment pipeline, leveraging BitBucket, AWS, and Docker, optimizing software updates and ensuring rapid, error-free releases to enhance user satisfaction.

Technologies: Android, AOSP, Embedded C++, ARM Linux, Amazon S3 (AWS S3), Amazon EC2, Docker, Docker Compose, iOS, Mobile Apps, Mobile, Internet of Things (IoT), Front-end, Architecture, Cross-platform, Software Architecture, CI/CD Pipelines

Systems Software Engineer

2010 - 2014

Monteris Medical

领导开发了12个以上的软件组件，用于获得专利的mri引导脑部手术设备. 与医疗激光器和压电电机驱动器等关键设备接口, 利用多种通信协议实现无缝集成.
为系统工具和模拟器制作直观的图形用户界面, 显著提高服务人员和内部软件开发人员的可用性和效率.
在专门的MRI单元和无菌无尘室进行全面的系统验证和验证. Rigorously adhered to ISO 13485, ISO 14971, and ISO 27001 standards, 最终获得了FDA和加拿大卫生部的器械许可.
通过确保设备严格遵守国际和地区数据隐私标准，倡导数据保护和患者安全, including HIPAA (USA) and PIPEDA (Canada).

Technologies: C#, .NET, Windows Embedded, FDA, Healthcare, ISO 9001, ISO 13485, Medical Devices, Medical Software, Critical Systems

Experience

卡路里追踪器全栈应用| Flutter应用和Dart后端

一个全栈的基于dart的卡路里跟踪应用程序，可以监控每天的食物摄入量. 在Flutter移动应用前端和Dart Frog后端使用Dart (REST API), the app offers seamless integration, code reusability, and reduced complexity. 用户可以通过卡路里计数管理食物条目，按日期过滤，并添加用餐照片. admin角色提供对详细报告的访问和对所有用户条目的管理. 这个应用程序展示了在全栈中使用Dart的优势，以实现高效的开发过程. 我是这个项目的唯一开发者和UI/UX设计师.

Skills

Languages

Dart, Kotlin, Swift, C#, Embedded C++

Frameworks

Flutter, JSON Web Tokens (JWT), .NET

Libraries/APIs

REST APIs

Tools

IntelliJ IDEA, Figma, TestFlight, Docker Compose

Paradigms

移动用户体验设计，移动用户界面设计，移动开发，跨平台，应用架构

Platforms

移动，MacOS, Android, iOS, ARM Linux, Amazon EC2, Docker, Visual Studio Code (VS Code)

Other

Engineering, Full-stack Development, Mobile Apps, APIs, Full-stack, Front-end, Architecture, Software Architecture, Application State Management, Riverpod, Internet of Things (IoT), CI/CD Pipelines, HTTP Server, Maps, Windows Embedded, FDA, ISO 9001, ISO 13485, Medical Devices, Medical Software, Critical Systems, AOSP

Industry Expertise

Healthcare

Storage

Amazon S3 (AWS S3)

Education

2004 - 2009

Bachelor's Degree in Computer Engineering

University of Manitoba - Winnipeg, Canada

Certifications

MAY 2023 - PRESENT

Flutter Foundations -应用架构和状态管理

Code with Andrea

NOVEMBER 2020 - PRESENT

Professional Engineer (P.Eng.)

Engineers Geoscientists Manitoba

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