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SeanardK/README.md

Andreas Kurniawan

Fullstack Developer

Portfolio Curriculum Vitae LinkedIn Email

Profile views Availability


About

Fullstack Developer specializing in Next.js, React and Node.js. Delivered 4+ client projects generating over IDR 1,000,000,000 in a single year, leading technical teams and building high impact products including a custom dashboard builder, a social media monitoring app, and integrated landing pages with payment and analytics.

I accelerate team productivity through reusable scaffolds (cutting new-feature setup from 1 day to 2 hours), design systems and CI/CD pipelines, while mentoring developers, running biweekly tech talks, and delivering clear technical documentation that aligns solutions with business needs.

4+
Client projects delivered
IDR 1B+
Project value in one year
4+ yrs
Professional experience

Tech Stack

Languages JavaScript TypeScript Go PHP Python HTML5 CSS3
Frontend Next.js React Vue Nuxt Angular Remix TanStack Start Vite
UI and State Tailwind CSS Material UI Mantine Ant Design daisyUI Tiptap TanStack Query Jotai Zod
3D and Games Three.js React Three Fiber Phaser
Mobile React Native Flutter
Backend Node.js NestJS Express Gin GORM Laravel CodeIgniter Django Flask
API and Data REST API GraphQL Apollo WebSockets PostgreSQL MySQL MongoDB Apache Solr Apache ECharts
Auth and Identity Keycloak Clerk OpenID Connect JWT
Infrastructure Docker Docker Compose Linux GitHub Actions Jenkins Grafana
Testing and Quality Jest Vitest Testing Library Supertest Storybook Biome ESLint
Tools Git GitHub GitLab Postman Figma Jira Notion Blender

Experience

Frontend Developer, Rolling Glory

Jan 2025 - Present

  • Led frontend development with React, Next.js and Vue, integrating with backends to deliver responsive, high-performance web apps.
  • Built and maintained cross-platform mobile apps using React Native (iOS and Android).
  • Created and maintained a reusable starter scaffold that cut new-feature setup from 1 day to 2 hours.
  • Ran biweekly tech talks to research and share emerging technologies and best practices.
  • Mentored frontend team members, shaping direction, resolving issues and communicating management updates.
  • Researched company and project requirements to align technical solutions with business needs, documenting findings into actionable reports for stakeholders.

Fullstack Developer, Telkom Indonesia

Feb 2022 - Dec 2024

  • Delivered 4+ client projects with repeat orders, generating over IDR 1,000,000,000 in project value in a single year.
  • Led a small technical team (1 frontend, 1 backend), owning architecture, delivery plans, code reviews and client demos.
  • Designed and built a custom dashboard builder for data visualization and reporting, enabling stakeholders to create ad-hoc reports and access near-real-time insights.
  • Developed a social media monitoring application aggregating trends and engagement metrics for marketing and product teams.
  • Rebuilt and launched a client-facing landing site: redesigned UX/UI, optimized performance, implemented payment flow and analytics tracking, and integrated third-party systems.
  • Created digital product showcase pages and demos for company events and sales.
  • Authored and published a private design system (component library and documentation) in GitLab, standardizing UI patterns across projects.

Repositories

Applications

Repository Description Stack
minecraft-blueprint Web app for creating and sharing Minecraft building blueprints with an interactive 3D editor Next.js, React Three Fiber, Ant Design
next-finance_tracker_sheets Personal finance tracker using a private Google Spreadsheet as backend, with dashboard charts, CSV import/export and Google auth Next.js, Google Sheets API, Clerk
graphql-book_library Full-stack book management app with GraphQL CRUD, pagination, filtering and type-safe implementation Next.js, Apollo Server, Apollo Client
realtime-chat Realtime chat app with WebSocket messaging and database persistence Node.js, WebSocket, TypeScript
membership-backend REST API for a membership stamp tracking system: transactions, digital stamp rewards and redemptions Go, PostgreSQL
membership-frontend Client interface for the membership stamp tracking system TypeScript
ecommerce E-commerce application PHP

Templates and Libraries

Repository Description Stack
cms_template-tanstack_start Production-ready CMS template with authentication, rich text editing, image uploads and type-safe environment variables TanStack Start, React 19, Mantine
backend_template-go RESTful API template with Keycloak authentication, image uploads and Docker support Go, Keycloak, PostgreSQL, Docker
react_library_template-vite Minimal template for building React component libraries, shipping ES/CJS bundles, CSS Modules and TypeScript declarations Vite, TypeScript
react_library-email_editor React email editor component library React, TypeScript

Infrastructure and Observability

Repository Description Stack
homelab Docker Compose configurations for a personal home server covering Git hosting, CI/CD, observability, identity management and self-hosted storage Docker Compose, Linux
grafana-faro-integration Frontend monitoring setup with real-user monitoring and error tracking Grafana Faro Web SDK, TypeScript
jenkins-test CI/CD pipeline automating build, test and deployment workflows with Docker integration Jenkins, Docker

Games and Experiments

Repository Description Stack
phaser-forest_wanderer Cozy 2D side-scrolling exploration game with pixel-art forest, item collection and free roaming React, Phaser
phaser-platformer 2D platformer with physics, collection mechanics and score tracking Phaser, TypeScript
chrome_extensions-github_copilot_folder Chrome extension organizing GitHub Copilot conversations into categorized folders with custom colors JavaScript, Chrome Extension API

Tools and Learning

Repository Description Stack
python-text_to_speech Lightweight tool converting text dialogue files into multi-speaker MP3 audio tracks Python, edge-tts
split-bill-cli CLI utility splitting restaurant bills proportionally, handling discounts, service fees and colorized per-person output Node.js, JavaScript
GO-Learn_REST Bookstore REST service exploring the Go module system, controllers and consistent API responses Go, Gorilla Mux, GORM, MySQL
GO-Learn_GIN Web app covering routing, article listing and detail views Go, Gin

Professional Work

Delivered at Telkom Indonesia and Rolling Glory. Source code is private or client-owned.

Project Description
Dashboard Builder Platform for dynamic data visualization and ad-hoc reporting with near-real-time insights
Social Media Monitoring Trend and engagement tracker for public sentiment analysis
Design System Private component library and documentation published on GitLab
Landing Page with Payments Full redesign with payment flow, analytics tracking and performance optimization
Digital Product Showcase Event-facing product pages and interactive demos
Documentation Portal Portal hosting product and project guides for internal and client teams
Open Data Portal Dataset publishing, cataloging and discovery platform
Company Profile with Careers Corporate site with a careers section covering job listings and applicant flow
Advisor Finance App Advisory platform covering bonds, equity and other instruments for financial advisors
Telegram Interactive Game Interactive game running as an in-app web experience inside Telegram, launched from a bot and integrated with player session and score tracking
Frontend Research Owned frontend technology research: evaluating tools and frameworks, running proof of concepts and reporting recommendations

More at My Portfolio Profile

Education

Fazztrack, Fullstack Developer Bootcamp 2021

Intensive 3-month program covering modern fullstack development. Built production-style projects including ticket booking systems, e-commerce platforms, worker hiring apps and e-wallet solutions.

Contact

Website LinkedIn Email

Popular repositories Loading

  1. minecraft-blueprint minecraft-blueprint Public

    A modern web app for creating and sharing Minecraft building blueprints with an interactive 3D editor. Built with Next.js, React Three Fiber, and Ant Design.

    TypeScript 1

  2. GO-Learn_GIN GO-Learn_GIN Public

    Simple Go learning project using Gin framework. Basic web app with routing examples, article listing, and detail views. Perfect for Go beginners.

    Go

  3. GO-Learn_REST GO-Learn_REST Public

    Hands-on Go REST API project. Build a bookstore service with Gorilla Mux routing, GORM ORM, and MySQL. Learn Go module system, controllers, and consistent API responses.

    Go

  4. SeanardK SeanardK Public

    My GitHub profile README - showcasing my journey as a Fullstack Developer with 4+ years of experience building scalable web and mobile solutions.

  5. graphql-book_library graphql-book_library Public

    A full-stack book management app built with Next.js, Apollo Server, and Apollo Client. Features GraphQL CRUD operations, pagination, filtering, and type-safe TypeScript implementation.

    TypeScript

  6. split-bill-cli split-bill-cli Public

    A lightweight Node.js CLI utility to split restaurant bills proportionally based on individual orders. Handles discounts, service fees, and colorized per-person output for easy calculation.

    JavaScript