Full-stack developer · Product-focused engineer

Hi, I am

I'm a full-stack developer shaping resilient experiences for SaaS and digital products.

Portrait of Kais Abiyyi
Portrait of Kais Abiyyi
04+Years inside product teams

Pairing with designers, PMs, and engineers to deliver calm experiences.

03+Projects shipped end-to-end

Delivering production-ready full-stack apps with measurable outcomes.

120msPerformance budgets respected

Edge-ready Next.js, streaming data, and clean architecture for speed.

Now
  • Designing monochrome-first UI systems grounded in accessibility and clarity.
  • Building resilient full-stack flows with Next.js, Supabase, and type-safe APIs.
  • Mentoring teams on code reviews, testing strategies, and DX for rapid delivery.
Languages & Core

Typed foundations for resilient products.

Frameworks & Runtimes

Component-driven UI shipped across web apps.

Design Systems

Crafting monochrome interfaces with focus.

Data Layer & State

Realtime data with predictable flows.

Collaboration

Versioned knowledge sharing and reviews.

Selected Work

Projects

Thoughtfully monochrome case studies that highlight problem framing, iterative delivery, and business outcomes across fintech, SaaS, and emerging products.

  • Cinemania
    Case Study

    Cinemania

    Cinemania is a movie discovery web app inspired by TMDB, allowing users to explore popular and latest movies with detailed information like synopsis, release date, ratings, and cast. Built with React TypeScript and Vite, it delivers a fast, responsive, and user-friendly experience for movie enthusiasts.

    ReactJSNextJS
    Dive into the build
  • Naratia
    Case Study

    Naratia

    Naratia is a collaborative storytelling platform where users contribute one paragraph at a time to an ongoing story. The community votes on each submission, and the winning paragraph continues the narrative. Designed to foster creativity and collective authorship through an engaging, community-driven experience.

    NextJSDrizzleORMSupabase
    Dive into the build
  • Maptica
    Case Study

    Maptica

    Maptica is a collaborative fantasy map editor for writers and game developers, built for intuitive creation and real-time co-editing.

    SvelteKitSupabaseDrizzleORM
    Dive into the build
Experience

Roles that shaped my craft

A timeline of product-led teams where I shaped monochrome design systems, scaled complex dashboards, and mentored engineers to deliver at pace.

  • PT. MAKERINDO PRIMA SOLUSI

    Web Developer

    Aug 2022Feb 2023

    -AQMS (Air Quality Monitoring System): Built a web application for real-time air quality monitoring and alerts, making it easier to track and analyze environmental data. -RT RW Cerdas: Developed an application to streamline community services, helping local residents access information and manage administrative tasks more efficiently. -Drone Tracker: Created a drone-tracking application to improve oversight and operational efficiency. -Embedded AQMS App: Worked on an embedded application for AQMS devices, ensuring accurate sensor data integration and smooth performance. Through these projects, I got hands-on experience in web development, embedded systems, and teamwork, while also sharpening my problem-solving skills.

  • LAPAN

    Student Web Developer

    Feb 2022Apr 2022

    - Learn basic HTML - Learn basic PHP - Learn CRUD with MySQL and PHP - Build an astronomy encyclopedia app

Education

Continuous learning & certifications

Formal education and curated upskilling that inform the way I build accessible, monochrome-first design systems and performant web experiences.

  • Bachelor's Degree of Computer Science

    Universitas Jenderal Achmad Yani (UNJANI)

    Aug 2023Oct 2027

    GPA: 3.51 - Pursued advanced studies in computer science. - Participated as a team member in the Student Creativity Program (PKM). - Contributed to a research project titled “Identification of EEG Signals in Post-Stroke Patients Using Genetic Algorithms and Convolutional Neural Networks.”

  • High School Diploma of Computer Software Engineering

    SMK Negeri 2 Sukabumi

    Aug 2020May 2023

    Grade: A - Gained foundational programming skills and hands-on experience through an industry internship program. - Developed a dynamic website using PHP and MySQL. - 3rd Place Winner, West Java Vocational Student Skills Competition (LKS) in Web Technologies, 2022.