Raymond Yegon Senior Flutter Engineer
Summary
Software engineer with extensive experience in mobile development, particularly with Flutter on HealthTech and FinTech products. Strong proficiency in Dart, Swift, JavaScript, Kotlin, and Rust, alongside deep familiarity with technologies such as Flutter, iOS, Android, Firebase, and AWS S3. Demonstrated excellence in applying engineering principles and practices such as Agile, OOP, SOLID, and design patterns like MVVM and MVC. Proven track record of boosting application performance and user retention through strategic optimizations and analytics integration, along with experience in leading teams and enhancing code quality through thorough code reviews and automated testing. Proficient in CI/CD and testing frameworks, adept at crafting responsive layouts, and capable of implementing effective SDLC methodologies.
Work Experience
Senior Flutter Engineer, HealthTech Application Optimization
Duration: Dec 2021 – Apr 2024
Summary: Executed strategic optimizations to the application, significantly reducing load times, which increased user retention and engagement.
Responsibilities: Optimizations, lazy-loading implementation, tech talks coordination, architectural discussions, code review leadership.
Technologies: Dart, Flutter, Bloc, Firebase
Senior Flutter Engineer, FinTech Application Development
Duration: Jan 2021 – Dec 2021
Summary: Led a team of developers to introduce a new currency exchange feature, resulting in increased customer satisfaction and transaction volume.
Responsibilities: Team leadership, currency exchange feature development, automated tests creation, technical mentorship.
Technologies: Dart, Flutter, REST, Fastlane, CI/CD
Mobile Developer, Process Optimization & Sales Growth
Duration: Mar 2019 – Dec 2020
Summary: Involved in implementing engineering solutions and optimizing processes that contributed to a significant increase in team efficiency and sales growth.
Responsibilities: Engineering solutions implementation, actionable business ideas development, CI/CD tools utilization, user authentication, and authorization system development.
Technologies: AWS S3, REST, Git, Okta
Software Developer, Interface Optimization & Security Enhancement
Duration: Oct 2018 - Feb 2019
Summary: Optimized user interface and interaction design, fixed major security vulnerabilities, and collaborated on application architecture.
Responsibilities: User interface design, fixing security vulnerabilities, application architecture facilitation, robust testing protocols establishment.
Technologies: React, REST, Git
Software Developer Intern, Theming Solutions & Feature Documentation
Duration: Feb 2018 - Sep 2018
Summary: Implemented quality assurance tests, architected theming solutions, and developed documentation for new features to improve the user experience.
Responsibilities: Quality assurance testing, theming solutions architecture, systematic testing, and documentation.
Technologies: JavaScript, REST, GraphQL
Education
- Dip. Business Management with Minors in Computer Science & Communication