2026
Sentix
Options trading without the option chain. Swipe through curated trades, ask an AI agent for ideas in plain English, and compare notes on a social feed — on-chain on Thetanuts Finance.
- Next.js
- TypeScript
- Tailwind
- Supabase
- OpenAI
Informatics @ ITS · 5th semester
Farrel Hasudungan
Immanuel Limbong.
Informatics engineering student & software developer at Institut Teknologi Sepuluh Nopember, Surabaya. I build web apps, LLM-powered tools, and the occasional pathfinding game or robotics desktop app — with a bias for software that is simple to use and honest about what it does.
Selected work
All work →2026
Roku — AI Hiring Agent
A recruitment platform for small hiring teams: companies, jobs, candidates and applications in one place, with an advisory AI screening layer whose tool calls and results stay inspectable.
- Laravel
- PHP
- Livewire
- Filament
- Pest
Source in development
2025
Web FRS
A course registration system with separate views for students, lecturers and admins. Role-based middleware keeps enrollment, class management and user administration in the right hands.
- Laravel
- PHP
- PostgreSQL
- Bootstrap
2025
Dynamic Tower Defense
A tower-defense game where enemies re-route in real time using A*, Greedy Best-First Search or Dijkstra. Switch algorithms mid-run and watch the pathfinding trade-offs play out.
- Python
- Pygame
- A*
- Dijkstra
Source desktop app
Experience
roles & milestones- Jan 2026
Builder · Base Indonesia Hackathon 2025
Built and pitched Sentix on the Thetanuts track: options math, live on-chain data, and an LLM restricted to intent extraction so deterministic code picks the trade.
- Dec 2025 — Jan 2026
Head of Secretariat Division · IMAGARA, INI LHO ITS!
Led the secretariat division, coordinating documentation and day-to-day operations across the event's organizing team.
- 2024
Mentee · ICHIRO ITS Robotics Team
Took part in the team's 2024 internship program as a mentee, learning how its robotics software and internal tooling are built.
School
education2024 — present5th semester
Institut Teknologi Sepuluh Nopember
Informatics Engineering · Surabaya, Indonesia
Coursework across algorithms, AI, databases and software engineering. 170+ accepted competitive-programming solutions, mostly C++.
- Algorithms
- Artificial Intelligence
- Databases
- Software Engineering
July 2021 — May 2024GPA 90.37/100
Senior High School 1 Salatiga
Mathematics and Sciences · Salatiga, Indonesia
Mathematics and sciences track. Graduated in 2024, before starting Informatics at ITS.
Writing
All writing →- · 4 min read4 min read
What should an AI hiring agent log?
If an AI screening tool is advisory, the useful artifact is not the score. It is the trail of tool calls that produced it.
- AI
- systems
- Laravel
- · 4 min read4 min read
Let the model pick intent, not the trade
The most reliable part of Sentix's AI trading agent is the part where the model is not allowed to choose the trade.
- AI
- LLM
- product