Available to hire
Hello! I’m Joan Kabello, a senior mobile engineer with a focus on building robust, scalable apps using Flutter and Dart. I enjoy crafting delightful user experiences, integrating cross‑platform technologies, and contributing to fast, maintainable codebases. I’m comfortable working across the stack, exploring modern tools, and mentoring teammates to elevate overall quality and outcomes.
I’m passionate about learning new technologies and applying them to real-world problems. I thrive in collaborative environments, drive efficient practices, and continuously seek opportunities to improve performance, security, and developer productivity across mobile and web platforms.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Fluent
French
Advanced
Italian
Advanced
Greek, Modern
Intermediate
Work Experience
Software Engineer at Ritech | Corpay
May 1, 2024 - PresentContributed to the PayByPhone app with over 72 million users globally, enhancing the user experience for booking MOT services. Implemented the MOT booking module by integrating Flutter screens within the existing native app to provide a seamless user experience. Collaborated with a team of developers to maintain high code quality, resulting in a 40% reduction in bug reports.
Software Engineer at Karla
May 1, 2024 - July 10, 2025Collaboratively developed key features for a post-purchase delivery application, optimizing the customer journey in package tracking and management. Enhanced application reliability by implementing a comprehensive testing strategy, achieving 60% test coverage which improved codebase maintainability. Leveraged advanced analytics to track and analyze user behavior, resulting in a 20% increase in user engagement through targeted experience optimisations.
Software Engineer at Scaling Parrots
January 1, 2023 - July 10, 2025Developed blockchain tools and decentralized applications (DApps), supporting business scalability and profitability through blockchain technology. Contributed to various blockchain solutions including IoT Blockchain integration, tokenization, NFTs, and crypto wallets. Provided mentorship in blockchain technologies, enhancing team capabilities and project outcomes.
Software Engineer at Division5
March 1, 2021 - July 10, 2025Played a key role in developing an innovative mobile app for Otto Wilde Grillers using Flutter for cross-platform functionality with Bluetooth Low Energy (BLE) and AWS for secure connectivity. Designed an intuitive interface for smart grill control via phone with BLE or WiFi connection. Mentored a junior Flutter developer, improving coding practices and issue resolution.
Software Engineer at Zerobit
February 1, 2020 - July 10, 2025Led development of a mobile app focused on environmental sustainability, using gamification techniques with Flutter and Dart to engage users and promote climate awareness. Designed and implemented a sales acquisition platform with Node.js, React.js, and TypeScript that improved lead conversion rates by 30%. Delivered scalable software solutions enhancing client capabilities in a competitive outsourcing environment.
Software Engineer at Munic
January 1, 2019 - July 10, 2025Created an application integrated with cloud services and OBD2 dongles for real-time car electronic information access. Focused on writing clean code and maintaining efficient architecture. Collaborated to ensure a user-friendly interface and scalable solution following best practices for robust data management and high-quality application development.
Software Engineer at Ritech | Corpay
May 1, 2024 - PresentContributed in PayByPhone app with over 72 million users globally, enhancing the user experience for booking MOT services. Implemented the MOT booking module, integrating Flutter screens within the existing native app to provide a seamless user experience. Collaborated with a team of developers to maintain a high standard of code quality, resulting in a 40% reduction in bug reports.
Software Engineer at Karla
May 1, 2024 - July 10, 2025Collaboratively developed key features for a post-purchase delivery application, focusing on optimizing the customer journey in package tracking and management. Enhanced the reliability of the application by implementing a comprehensive testing strategy, achieving 60% test coverage, which significantly improved the maintainability of the codebase. Leveraged advanced analytics to track and analyse user behavior, resulting in a 20% increase in user engagement through targeted user experience optimisations.
Software Engineer at Scaling Parrots
January 1, 2023 - July 10, 2025Developed blockchain tools and decentralized applications (DApps) supporting businesses to become more scalable and profitable. Contributed to solutions involving IoT Blockchain integration, tokenization, NFTs, and crypto wallets. Provided mentorship in blockchain technologies, enhancing team capabilities and project outcomes.
Software Engineer at Division5
March 1, 2021 - July 10, 2025Played a key role in developing an innovative mobile application for Otto Wilde Grillers using Flutter, incorporating Bluetooth Low Energy (BLE) and AWS for enhanced secure connectivity. Designed an intuitive interface for smart grill control via phone. Mentored a junior developer to improve Flutter skills and project success.
Software Engineer at Zerobit
February 1, 2020 - July 10, 2025Led development of a mobile app promoting environmental sustainability with gamification using Flutter and Dart. Designed and implemented a sales acquisition platform with Node.js, React.js, and TypeScript, improving lead conversion rates by 30%. Delivered scalable software solutions in a high-paced outsourcing environment, strengthening clients' technology and growth.
Software Engineer at Munic
January 1, 2019 - July 10, 2025Created an application integrated with cloud services and OBD2 dongles to enable real-time car electronic information access. Focused on clean code, efficient architecture, user-friendly interface, and scalable design following best practices.
Mobile Engineer at Ritech | Corpay
May 1, 2024 - PresentContributed in PayByPhone app with over 72 million users globally, enhancing user experience for booking MOT services. Implemented the MOT booking module, integrating Flutter screens within the existing native app to provide a seamless user experience. Collaborated with a team of developers to maintain a high standard of code quality, resulting in a 40% reduction in bug reports.
Mobile Engineer at Karla Mobile Engineer
May 1, 2024 - October 17, 2025Collaboratively developed key features for a post-purchase delivery app, focusing on optimizing the customer journey in package tracking and management. Enhanced the reliability of the app by implementing a comprehensive testing strategy, achieving 60% test coverage and improving the maintainability of the codebase.
Mobile Engineer at Scaling Parrots
January 31, 2023 - October 17, 2025Developed blockchain tools and decentralized apps (DApps). This work supported the company’s mission to help businesses become more scalable and profitable through blockchain technology, including IOT blockchain integration, tokenization, NFTs, and crypto wallets. Provided mentorship in both Flutter and blockchain technologies, enhancing team capabilities.
Mobile Engineer at Division 5
March 1, 2021 - October 17, 2025Developed an innovative mobile application for Otto Wilde Grills, employing Flutter for cross-platform functionality and integrating Bluetooth Low Energy (BLE) and AWS for enhanced connectivity. Mentored a junior developer in Flutter and blockchain concepts to improve project outcomes.
Mobile Engineer at Zero Bit
February 1, 2020 - October 17, 2025Led the development of a mobile app focused on environmental sustainability using Flutter and Dart, employing gamification techniques to engage users and promote climate awareness. Designed and implemented a sales acquisition platform using Node.js, React.js, and TypeScript, which streamlined client acquisition processes and improved lead conversion by 30% for multiple external clients.
Mobile Engineer at Munich Mobile
January 1, 2019 - October 17, 2025Worked on a Flutter-based mobile app integrated with cloud services and OBD2 dongles, enabling users to access their car information in real-time. Focused on clean code and maintaining robust architecture.
Senior Mobile Engineer at Ritech / Copay Mobile
May 1, 2024 - PresentContributed in PayByPhone app with over 72 million users globally, enhancing the user experience for booking MOTs services. Implemented the MOT booking module, integrating Flutter screens within the existing native app to provide a seamless user experience. Collaborated with a team of developers to maintain a high standard of code quality, resulting in a 40% reduction in bug reports. Led frontend/mobile integration and contributed to scalable app features.
Education
Bachelors degree at European Institute of Technology
January 1, 2015 - December 31, 2018Bachelors degree at European Institute of Technology
January 1, 2018 - December 31, 2018Bachelor's degree in Computer Science at European Institute of Technology
January 11, 2030 - October 17, 2025Qualifications
Teaching Assistant
January 11, 2030 - July 10, 2025Campus Ambassador
January 11, 2030 - July 10, 2025Bachelor's degree in Computer Science
January 11, 2030 - October 17, 2025Industry Experience
Software & Internet, Financial Services, Gaming, Telecommunications, Professional Services, Transportation & Logistics, Education, Media & Entertainment, Computers & Electronics
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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