Ridwan O.

Key Skills

Software

Appen

Data Annotation Tech

Top Subject Matter

Technology

App development

E-commerce - Product Categorisation and Customer Support

Top Data Types

Text

Audio

Video

Top Task Types

Question Answering

Transcription

Text Summarization

Freelancer Overview

Full-Stack Developer (Rust + Flutter) | Professional Summary Full-stack engineer with 4+ years of experience designing and delivering end-to-end digital products — from high-performance Rust backends to polished, cross-platform Flutter interfaces. Proven track record building secure, scalable systems in production environments, including real-time booking platforms, data vault architectures, and fintech applications. Adept at crafting RESTful APIs, managing async workloads with Tokio, and implementing robust authentication and access control systems that hold up under pressure. Equally at home on the frontend, bringing the same engineering rigour to Flutter UI — translating complex business requirements into responsive, intuitive experiences across mobile and web. A collaborative, detail-oriented problem solver who bridges the gap between backend performance and frontend polish, consistently delivering reliable solutions from concept through deployment.

Education

Work History