Yudistira Ashadi
Yudistira Ashadi
Senior Full-Stack & AI Engineer

Senior Full-Stack & AI Engineer · Co-Founder & CTO

Building production AI,
data & SaaS systems
from ambiguity to impact.

I turn complex research and business workflows into production AI, data, and SaaS products.

Hands-on across product architecture, source-grounded LLM applications, data pipelines, web and mobile platforms, and engineering leadership. Over 10+ years, I have delivered systems for a Swiss asset manager, Indonesian government ministries, Unilever Indonesia, and products used by hundreds of organizations.

Surabaya, Indonesia · Open to remote and hybrid roles

Yudistira Ashadi
10+
years building products
30K+
peak platform users
500+
organizations served
29+
initiatives delivered

Career

Work Experience

A decade of hands-on product engineering, from independent delivery to leading teams—always close to the architecture, code, and people using the product.

February 2025 — August 2026

Remote · Switzerland · Freelance

Full-Stack AI Engineer

Quantamental AG

Sole engineer designing and delivering an AI-powered equity-research platform for an independent Swiss asset manager.

  • Built ingestion pipelines for financial statements, regulatory filings, earnings transcripts, fund letters, podcasts, newsletters, and social data.
  • Developed source-grounded LLM workflows for document analysis, investment-thesis monitoring, value-driver modelling, projections, and valuation.

October 2023 — Present

Indonesia

Co-Founder & CTO

PT. Graha Teknologi Maju

Co-founded an AI and enterprise software company, leading product architecture and delivery while remaining hands-on in engineering.

  • Built APPA Academy end-to-end, a multi-tenant sports-management SaaS adopted by 500+ academies across Indonesia.

February 2021 — October 2023

Surabaya, Indonesia

Software Developer → Lead Developer

PT Solusi Siber Teknologi (Retas.io)

Progressed into technical leadership for concurrent government and enterprise products while maintaining 60%+ hands-on engineering time.

  • Architected and deployed a nationwide product-quality management system for Unilever Indonesia using React, Next.js, and Python REST APIs.
  • Delivered 5+ React Native applications and 12+ web platforms for enterprise and government clients.

April 2018 — January 2019

Mobile Application Developer

MyDaxue · Nanjing, China

November 2014 — January 2019

Independent Full-Stack Developer

Freelancer · Remote

Selected impact

Featured Projects

View all →
Screenshot of Sahabat PU: AI-Powered Ticketing & Chat Platform
Next.jsAIChatbotTicketingGovernmentSaaS

2026

Sahabat PU: AI-Powered Ticketing & Chat Platform

Government ticketing system with AI chatbot integration, enabling citizens to get answers about public services, submit forms, and create support tickets through configurable workflows

Only available for internal use
Screenshot of New e-Karyasiswa: Scholarship Management System
Next.jsGovernmentDashboardMonitoring

2026

New e-Karyasiswa: Scholarship Management System

Next-generation scholarship management platform for BPSDM PUPR, rebuilding the Karyasiswa monitoring system with modern full-stack architecture and enhanced capabilities

https://bpsdm.pu.go.id/new-e-karyasiswa/
Screenshot of Karyasiswa PUPR Monitoring Dashboard
DashboardMonitoringData VisualizationReporting

2025

Karyasiswa PUPR Monitoring Dashboard

Dashboard for monitoring and reporting scholarship students (Karyasiswa) at Ministry of Public Works and Housing (PUPR), enabling regular study progress tracking and evaluation

Only available for internal use
Screenshot of APPA Academy: Soccer School Management System
Next.jsSaaSCloudDashboardSports Tech

2025

APPA Academy: Soccer School Management System

Indonesia's leading management platform for soccer schools, trusted by 500+ academies with features including player assessment, training programs, and real-time monitoring

https://appa-academy.com/
Screenshot of Kompetify: Adaptive Managerial Competency Testing
Next.jsAssessmentAdaptive TestingDashboardGovernment

2025

Kompetify: Adaptive Managerial Competency Testing

Adaptive examination platform that assesses 9 managerial competencies for government officials, adopted by Kementerian PUPR and BKD Jawa Timur for ASN competency assessment

Only available for internal use
Screenshot of Sumwizard: AI-Powered Media Analysis Platform
Next.jsAINLPMedia AnalysisSaaS

2025

Sumwizard: AI-Powered Media Analysis Platform

AI-powered platform that transforms YouTube videos and audio files into actionable insights with automated summarization, transcription, and intelligent question answering

https://sumwizard.com/
Screenshot of Klop: AI Powered Knowledge Management System
Next.jsSupabaseAILLM

2024

Klop: AI Powered Knowledge Management System

Knowledge management system with AI-powered features such as text recognition and LLM assisted search, used by Public Works and Housing Ministry of Indonesia

https://klop.pu.go.id/
Screenshot of AI Powered HR Management System
Next.jsSupabasePostgresComputer VisionAI

2024

AI Powered HR Management System

Human resources management system with AI-powered features such as face recognition, location tracking, and attendance monitoring

Only available for internal use

What I work with

Skills & Technologies

A product-minded stack spanning data acquisition, AI orchestration, application engineering, infrastructure, and technical leadership.

AI & Data

  • LLM Applications & Agents
  • Structured Extraction
  • Evaluation & Observability
  • Data Pipelines
  • Web Scraping
  • Computer Vision
  • OpenAI
  • Claude
  • Gemini

Engineering

  • TypeScript
  • JavaScript
  • React
  • Next.js
  • Node.js
  • Python
  • React Native
  • PHP
  • REST APIs

Data & Infrastructure

  • PostgreSQL
  • MySQL
  • MongoDB
  • Supabase
  • S3 / MinIO
  • Docker
  • CI/CD
  • Linux
  • Vercel
  • Cloudflare

Leadership

  • Software Architecture
  • Technical Leadership
  • Stakeholder Management
  • Product Delivery
  • Distributed Teams

Beyond the build

Education & Credentials

2023–2025

Master of Technology Management

Analytical Business · Institut Teknologi Sepuluh Nopember

GPA 3.8/4.0, Cum Laude. Researched financial-news sentiment for bond-yield modelling with Indonesia's Ministry of Finance.

2014–2018

Bachelor of Engineering

Computer Science and Technology · Nanjing University of Aeronautics and Astronautics

GPA 4.2/5.0, Excellent. Recipient of Nanjing Municipal and Chinese Government scholarships.

Certifications

  • Google Data Analytics Professional Certificate
  • BNSP Programmer Competency Certification
  • BNSP Digital Media Planner Competency Certification

Languages

  • Bahasa Indonesia — Native
  • English — Full professional proficiency
  • Mandarin Chinese — Limited working proficiency (HSK 4)