# Mas Syahdan Filsafan — CV & Portfolio
> Full Stack Developer | Technical Lead | Data & AI Engineer
> Jakarta, Indonesia | syahdanfilsafan58@gmail.com | +62 899 893 7095

## Profile
Experienced Full Stack Developer and Technical Lead with a Master's degree in Informatics Engineering from ITS and 8+ years of industry expertise spanning web development, data engineering, system architecture, and artificial intelligence. Currently driving AI transformation as a Technical Lead at PT Transcosmos Indonesia.

## Professional Experience

### PT Transcosmos Indonesia (March 2023 — Present)
- **Technical Lead - AI Solutions** (May 2026 — Present) — Jakarta
- **AI Engineer & AITI Development Specialist** (Jan 2025 — May 2026) — Jakarta
- **Full Stack System & Development Technical Lead** (Mar 2023 — Jan 2025) — Jakarta

Key achievements:
- Architecting hybrid on-premise and cloud AI solutions with RAG systems, embedding optimization, and video generation
- Developed AITI (Artificial Intelligence Transcosmos Indonesia), a proprietary on-premise RAG system
- Created a 7-Method Hybrid Search Engine combining vector embeddings with lexical search
- Leading organization-wide AI adoption through training, seminars, and workshops

### API Pedia (January 2022 — Present)
- **Founder & Technical Lead** — Surabaya

Key achievements:
- Founded API gateway platform serving enterprise clients including BIGO, PLN, TikTok, BCA
- WhatsApp Gateway (B2C → B2B pivot), Telegram Gateway, SMS Gateway, OTP solutions
- Server & deploy engine, AI solutions
- Stack: Node.js, React, Docker, GitHub CI/CD

### PT EIKON Technology (January 2021 — March 2023)
- **Data Engineer & GCP Platform Specialist** (Jun 2022 — Mar 2023) — Jakarta
- **Full Stack Developer - Google Cloud Solutions** (Jan 2022 — Jun 2022) — Surabaya
- **AppSheet Researcher & Application Specialist** (Jan 2021 — Dec 2021) — Surabaya

Key achievements:
- BigQuery data lake architecture, sub-second queries on 32M+ row tables
- End-to-end data pipelines with Cloud Storage, Pub/Sub, Dataflow
- AppSheet project lead for AHM (Astra Honda Motor)

### Lokania (Start-up) (January 2021 — February 2022)
- **Co-Founder & Technical Lead** — Surabaya

Key achievements:
- Developed location-based hotel discovery platform on Google Cloud Platform
- Integrated Google Maps API, TriPay payment gateway, Redis caching

### PT Delta Sinergi Prima (October 2018 — December 2020)
- **Full Stack Developer & IT Consultant** — Surabaya
- Built attendance system with facial recognition and GPS tracking
- ISO 27001 consulting for multiple government institutions

## Education

### Institut Teknologi Sepuluh Nopember (ITS) — Surabaya
- Master of Informatics Engineering (Sep 2022 — Sep 2024)
- AI Neural Network model with 99% accuracy; 5 IEEE publications

### Universitas Nahdlatul Ulama Surabaya
- Bachelor of Information Systems (Sep 2016 — Sep 2020) — GPA: 3.51
- Founder of UKM Cyber UNUSA

## Technical Skills
- **Frontend:** React.js, Next.js, JavaScript (ES6+), TypeScript, HTML5, CSS3, Tailwind CSS
- **Backend:** Node.js, PHP, Laravel, CodeIgniter, Yii2, Python, Golang
- **Database & Cloud:** MySQL, PostgreSQL, MongoDB, Firebase, Google Cloud Platform, Redis, BigQuery
- **AI/ML:** LLM, RAG, TensorFlow, Ollama, Machine Learning, Neural Networks, NLP
- **DevOps:** Docker, Git, CI/CD, REST APIs
- **Data:** BigQuery, Vertex AI, Looker Studio, Dataflow, Pub/Sub

## Certifications
- Program Analyst Certification — BNSP
- Intermediate IT Auditor Certification — BNSP
- Database Design and Programming — Digital Talent Scholarship Kominfo
- Google Data Analytics — Coursera

## Professional Organizations
- Grotch Circle (2026)
- Build Club Indonesia (2026)
- Google Developer Club (2025)
- AI Builders (2024)
- Surabaya Black Hat (2016—2023)
- Surabaya Hacker Link (2016—2023)
- UKM Cyber UNUSA — Founder (2019—2020)
- UKM Teater Tower UNUSA (2017—2020)

## Publications (IEEE)
1. "Predicting Sugar Import Quantity Using Multi-Layer Perceptron Regressor Method" — ICICoS 2024
2. "Ensemble Imputation Method for Forecasting Indonesia Sugar Dataset Using Machine Learning" — ICONNIC 2023
3. "Indonesia White Sugar Supply and Demand Forecast Using Machine Learning" — ICONNIC 2023
4. "Ransomware Transaction Detection on the Blockchain with the TabNet Model" — ICAMIMIA 2023
5. "A Comparative Study On Image Compression in Cloud Computing" — EECSI 2023

## Links
- LinkedIn: https://linkedin.com/in/mas-syahdan-filsafan
- GitHub: https://github.com/Cloud-Dark
- Website: https://apipedia.id
- IEEE Profile: https://ieeexplore.ieee.org/author/37090064426