•10 min read
Claude Skills: Turning Personal Expertise into Team Superpowers
How Claude Skills transform individual knowledge into institutional capability, making specialized expertise available to your entire team automatically.
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Hi, I'm Cris Ryan Tan
Senior Full-stack Engineer specializing in building exceptional digital experiences. I design and develop high-performance web applications with modern technologies.
About Me
Innovative and detail-oriented Senior Software Engineer with a specialisation in Frontend technologies and deep expertise designing and developing high-performance, scalable web applications.
Expert in modern JavaScript frameworks, with a strong focus on creating intuitive, responsive, and accessible user interfaces. Sound experience in backend development, DevOps projects, and end-to- end testing.
Passionate about user experience, clean code, and staying current with emerging technologies.
As the co-founder of Blitzstack.io, I'm dedicated to empowering developers with tools that accelerate development and improve code quality.
Programming Languages
- JavaScript (ES6+)
- TypeScript
- C#
Frontend Technologies
- HTML5, CSS3
- React.js, Next.js
- Angular, Vue.js
State Management
- Redux
- RxJS
Backend
- Node.js
- .NET (.NET Core / ASP.NET)
Testing & Tools
- Jest, Unit Testing
- Integration & E2E Testing
- Webpack, Rollup, Storybook
DevOps & Performance
- Git, GitHub, CircleCI, Buildkite
- Lazy Loading, Code Splitting
- Tree Shaking, Caching
Experience
Senior Software Engineer
Rokt - Sydney Australia
- Developed and maintained a robust frontend SDK, empowering enterprises to deliver targeted advertising seamlessly on e-commerce sites and apps.
- Achieved a 30% reduction in SDK load time and a 40% decrease in script size, significantly improving performance and user experience.
- Built and maintained client-side UI components displayed as offers to customers using React, TypeScript, Redux, and RxJS.
- Adoption at Scale: The SDK is deployed across top-tier companies including Ticketmaster, Best Buy, Domino's, AMC Theatres, and many others, powering customer engagement across millions of users.
- High-Volume Transactions: Design and developed an SDK handling over a million transactions daily, generating of almost $2 million in daily revenue.
- Established and enforced coding standards and best practices to ensure high-quality code and efficient development processes.
- Maintained and monitored app deployments through continuous integration and continuous deployment (CI/CD) pipelines.
- Implemented guardrails by adding integration tests, visual regression tests, and end-to-end tests to ensure application robustness and reliability.
Software Engineer
Leadbook - Singapore
- Managed and mentored a team of Software Engineers, ensuring high-quality deliverables and fostering a collaborative development environment.
- Conducted thorough code reviews among peers to ensure code quality, adherence to best practices, and maintainability, resulting in robust and reliable software deployments.
- Worked closely with product owners and designers, contributing technical expertise and innovative ideas to align with company-wide goals and enhance the overall product vision.
- Co-structured, designed, and built the frontend of the Leadbook platform, delivering a seamless and engaging user experience.
- Spearheaded the reimplementation of the existing platform to a modern single-page application using React, Redux, and Styled Components. This transition improved performance, scalability, and user interaction.
Software Engineer
Tritontek - Cebu, Philippines
- Designed and built a Time Management application specifically tailored for use by Civil Engineers, focusing on usability, efficiency, and reliability.
- Conducted consistent code reviews among peers to ensure high-quality, maintainable, and clean code is deployed. Worked closely with product owners and designers, contributing technical expertise and innovative ideas to align with company-wide goals and enhance the overall product vision.
- Coached and supported teammates through code reviews and whiteboarding sessions, fostering a collaborative and growth-oriented development environment.
- Demonstrated and enforced proper coding techniques, emphasizing maintainability, code reuse, clean code practices, and unit testing. Played a key role in driving and maintaining coding standards within the team.
Recent Blog Posts
•15 min read
AI-Assisted Coding Workflows: Delegating vs Leveraging
A comprehensive guide to maximizing productivity with AI coding assistants through systematic delegation and active collaboration patterns.
Read more•12 min read
From SDK to SSR: Performance Optimization Lessons Across Frameworks
How systematic performance optimization reduced page load times by 68% in React/Remix applications, applying lessons learned from SDK development.
Read moreLet's Connect
I'm always interested in hearing about new opportunities, exciting projects, or just having a friendly chat about technology. Feel free to reach out!
Location
Sydney, Australia
crisryantan@gmail.com