JDJhony Dellavalentina
@jhonydellavalentina
Senior Flutter developer with 12+ years of software engineering experience.
BrazilWhat I'm looking for
As a Senior Flutter Developer with over 12 years of experience in software engineering, I specialize in creating high-performance mobile applications that cater to millions of users globally. My journey has been marked by a commitment to delivering exceptional user experiences while maintaining accountability for business outcomes. I have successfully collaborated with cross-functional teams, mentored fellow developers, and implemented optimization solutions that have significantly improved app performance.
Throughout my career, I have developed applications for notable clients, including BMW, where I contributed to the 'My BMW' and 'MINI' apps, serving over 10 million active users. My technical expertise spans mobile development with Flutter and Dart, backend technologies like NestJS and TypeScript, and a strong focus on testing and quality assurance. I pride myself on writing clean, maintainable code and establishing robust monitoring infrastructures to ensure app stability and reliability.
In addition to my technical skills, I have a passion for mentoring and elevating team standards through code reviews and collaborative programming. I thrive in dynamic environments where I can leverage my skills to drive innovation and contribute to impactful projects.
Experience
Work history, roles, and key accomplishments
Senior Flutter Developer
Zallpy Digital
Jun 2022 - Present (3 years 3 months)
Developed 'My BMW' and 'MINI' Flutter applications with 10+ million active global users, focusing on mobility services. Engineered and implemented optimization solutions that reduced backend requests by 90%, significantly improving app performance and generating substantial cost savings.
Senior Flutter Developer
Torc
Jun 2024 - Present (1 year 3 months)
Developed new features for the healthcare-focused Swift Medical app, which provides high-quality wound care. Collaborated with cross-functional medical and engineering teams to ensure the solution met strict regulatory requirements while delivering an exceptional user experience.
Senior Flutter Developer
3CON
May 2021 - Present (4 years 4 months)
Led development of Flutter mobile application and a web dashboard for a prominent Brazilian education company, serving 10,000+ users. Architected and developed an intuitive investment app for a stockbroker with a complex UI, enabling users to make informed decisions.
Full-Stack Developer
Hospital das Clínicas
Nov 2014 - Present (10 years 10 months)
Contributed to Flutter patient-facing app with 50,000+ users, implementing critical improvements and resolving complex bugs. Developed a .Net automated certificate generation system with digital signatures, reducing annual processing time from one month to one day.
Mobile Developer
Techno Software
Jun 2012 - Present (13 years 3 months)
Developed an Android application for civil construction and created APIs (SOAP and REST) for integration with the app. Was responsible for publishing on Google Play and App Store.
Education
Degrees, certifications, and relevant coursework
Estácio de Sá
Post Graduate, Project Management
Completed a postgraduate program focusing on project management principles and methodologies. Gained expertise in leading and executing projects effectively.
Universidade Paulista
Bachelor of Computer Science, Computer Science
Acquired a comprehensive understanding of computer science fundamentals, including programming, algorithms, and software development. Developed strong analytical and problem-solving skills.
Availability
Location
BrazilAuthorized to work in
Job categories
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