Hideki Yanagawa
Full Stack Developer
Passionate full-stack developer with experience in modern web technologies. I love creating efficient, scalable solutions and learning new technologies.
Professional Experience
Full Stack Developer
Gussmann Technologies•Remote
Sep 2021 - Present
- •Led end-to-end development of an AI-powered Transport Management System (TMS) using .NET Core, React, and Next.js, driving intelligent automation across logistics workflows.
- •Pioneered GPT-integrated smart dispatch tools and engineered real-time exception monitoring dashboards for proactive operations management.
- •Collaborated in the agile development of a scalable logistics platform using .NET Core and the ABP framework, enhancing modularity and code reuse.
- •Designed and deployed real-time GPS tracking systems and telemetry interfaces with Blazor and custom streaming APIs.
- •Promoted to Head Developer for the flagship Transport Management System project due to technical leadership and delivery excellence.
- •Took ownership of frontend architecture across systems, driving the migration to Next.js and React with full TypeScript adoption for performance, maintainability, and scalability.
- •Built and led a high-performing team of 6 developers to architect a microservices-based, event-driven transport platform leveraging .NET Core, Next.js, and React.
- •Directed frontend strategy and execution using React, Next.js, and TypeScript, ensuring UI/UX consistency and responsive design.
- •Developed interactive data dashboards using Chart.js and ActiveReportsJS for real-time business intelligence and analytics.
- •Integrated modern UI frameworks like Tailwind CSS and Shadcn UI to accelerate component-driven design and streamline development workflows.
- •Spearheaded QA and experimentation efforts to test, benchmark, and refine system features, resulting in improved stability and usability.
- •Researched and built live data monitoring pipelines to track vehicle location, fuel consumption, speed metrics, and journey performance.
- •Upgraded legacy platforms to .NET Core 6, introducing enhanced performance, security, and maintainability across the system architecture.
- •Provided critical support for integration testing, regression testing, and cross-platform bug resolution.
- •Engineered event-driven processing modules with RabbitMQ for asynchronous job handling, boosting system responsiveness and reliability.
- •Delivered robust REST APIs and dynamic reporting dashboards through seamless integration with custom GPS telemetry and third-party libraries.
- •Implemented real-time operational features such as route heatmaps, fuel efficiency alerts, and anomaly detection for transport exceptions.
- •Deployed CI/CD pipelines via Azure DevOps and containerized core services using Docker, enabling rapid, consistent deployment cycles.
.NET Core.NET Core 6ReactNext.jsTypeScriptBlazorABP FrameworkGPT (OpenAI)Chart.jsActiveReportsJSTailwind CSSShadcn UIRabbitMQREST APIsAzure DevOpsDockerCI/CDMicroservices ArchitectureEvent-Driven ArchitectureGPS Tracking APIsCustom GPS IntegrationsReal-Time Data StreamingTelemetry SystemsException Monitoring DashboardsMongoDB
Software Developer
Fusionex•Local
Mar 2016 - Aug 2021
- •Contributed to multiple high-impact projects spanning social media, agriculture tech, insurance systems, and big data analytics, delivering end-to-end full-stack solutions.
- •Designed and developed scalable backend services and RESTful APIs using .NET Core, .NET Framework, Node.js, and SQL Server for enterprise-level applications.
- •Built responsive frontend interfaces using JavaScript, HTML, and CSS, working closely with UI/UX teams to enhance user experience and accessibility.
- •Developed mobile applications using Xamarin for both Android and iOS platforms, integrating with hardware and backend services.
- •Led product sourcing and hardware integration for biometric fingerprint readers and smart card systems, collaborating across hardware and software teams.
- •Sourced and managed relationships with international suppliers, ensuring timely delivery and compatibility of hardware components with in-house software.
- •Integrated biometric hardware (fingerprint readers, smart card devices) into software platforms for secure authentication and tracking solutions.
- •Engineered a music and entertainment platform with real-time streaming capabilities using .NET Core and Node.js, and developed modern UI components.
- •Played a key role in developing and maintaining a large-scale social media platform with features like user timelines, notifications, media upload, and messaging.
- •Worked on insurance tech platforms, implementing secure workflows and business logic in compliance with financial data regulations.
- •Executed complex data queries and transformations using Java for big data systems, contributing to performance-optimized data pipelines.
- •Maintained big data infrastructure and supported data ingestion and ETL processes for analytics dashboards.
- •Collaborated with cross-functional teams across Malaysia and Thailand, maintaining effective communication in distributed agile teams.
- •Implemented database logic using SQL and Entity Framework, and optimized queries for real-time performance.
- •Conducted QA, performance testing, and end-to-end system validation to ensure reliability, scalability, and production-readiness.
- •Used Git for version control and actively participated in agile ceremonies, sprint planning, and collaborative coding sessions.
- •Documented technical workflows and led knowledge-sharing sessions to onboard new developers and ensure maintainable codebases.
.NET Core.NET FrameworkNode.jsJavaSQL ServerEntity FrameworkREST APIsJavaScriptHTMLCSSXamarinBig Data PipelinesDistributed SystemsETLComplex SQL QueriesBiometric Hardware IntegrationFingerprint Reader SDKsSmart Card AuthenticationGitAgile / ScrumCross-Region Collaboration ToolsManual TestingUI/UX TestingPerformance TestingBug Tracking & Debugging
Education
Diploma in Information Technology
Taylor's University - School of Computing •Taylors University Malaysia
Mar 2017 - Apr 2019
GPA: 3.26/4.0Focused on computing fundamentals, web development, and modern programming practices.
Degree in Computer Science
Taylor's University - School of Computing •Remote
Apr 2019 - Jul 2021
Focus on React ecosystem, TypeScript, cloud technologies, AI, Blockchain developed a blockchain-based application for shipping, developed full stack medical app for homogeneous medications and doctors appointments, developed HR management system as part of coursework.
Let's Connect
Interested in working together? I'd love to hear about your project and discuss how I can help bring your ideas to life.