Hello! I am
Arief F-sa Wijaya
Student of D3 Informatics Engineering
Politeknik Negeri Bandung

talktorief@gmail.com


West Bandung, Indonesia


riefproject

About Me
Profile Picture

I am an aspiring innovator in information technology with a strong foundation in critical thinking and problem-solving, demonstrated through achievements in the National Science Olympiad (OSN) in Computer Science/Informatics, also known as the National Olympiad in Informatics (NOI) Indonesia. My passion lies in technology, particularly competitive programming (CP), which has sharpened my logical reasoning, algorithmic thinking, and problem-solving abilities.


I am especially interested in back-end development, where I enjoy working with logic, data structures, and data processing. My goal is to build efficient and scalable systems that ensure optimal application performance. Additionally, I am eager to explore web and mobile application development while staying up to date with the latest technologies to enhance product quality and user experience.

My Skills

I have a strong technical foundation, combining problem-solving skills, critical thinking, and leadership qualities. My expertise includes competitive programming, data structures, algorithms, and web development. I am passionate about building efficient and scalable solutions while continuously improving my knowledge in the latest technologies.

Summary

  • Problem Solving
  • Critical Thinking
  • Competitive Programming
  • Data Structure & Algorithm
  • Web Development
  • Leadership
10+
Competitive Programming Contests (Including NOI Indonesia)
300+
Problems Solved (TLX, LeetCode, HackerRank, etc.)
8+
Programming Languages Experienced
10+
Projects Completed/Ongoing
Educational Background
2021 - 2024
SMA Negeri 1 Subang Logo

SMA Negeri 1 Subang

Mathematics and Natural Sciences

2024 - Present
Politeknik Negeri Bandung Logo

Politeknik Negeri Bandung

D3 Informatics Engineering

Experience
BIoS Logo

Head of Programming Division, Brainware of SMANSA

(Computer Club of SMA Negeri 1 Subang)

Term: 2022-2023

  • Led and coordinated programming activities and projects, fostering a collaborative learning environment.
  • Designed and implemented structured training programs for new members, covering fundamental to advanced programming concepts.
  • Organized and presented programming projects at school events to encourage innovation and problem-solving.
  • Provided mentorship and guidance to club members, enhancing their technical and competitive programming skills.
  • Trained and coached juniors for programming competitions, helping them improve algorithmic thinking and coding efficiency.
Achievements
OSN Logo

National Science Olympiad

Field: Computer Science/Informatics


Organizer: National Achievement Center (Puspresnas)


The National Science Olympiad (OSN) in Informatics, also known as the National Olympiad in Informatics (NOI) Indonesia is a prestigious annual competition in Indonesia aimed at discovering and nurturing young talents in algorithms and programming. Participants are tested on algorithm design, problem-solving, and advanced programming skills.

2022: District Champion

2022: Provincial Participant

2023: District Participant

Project Experience

🎬 Bioskopku: A CLI-Based Cinema Ticketing System in C

A lightweight and efficient command-line cinema ticket booking system built entirely in C! Featuring real-time seat validation, multi-role management, and CSV-based storage, it offers a modern yet minimalistic approach to theater operations.

  • ⚡ Fast & modular architecture
  • 👤 Multi-role support (Admin, Manager, Staff,Customer)
  • 📅 Automated scheduling & seat validation
  • 📊 Detailed revenue reporting
  • 💾 CSV-based data storage (no database needed!)
View Repo

🚀 Block Shooter: A Pure C Arcade Shooter

A fast-paced block shooter built entirely in C, powered by the Raylib game framework! Test your reflexes across 11 difficulty levels, master power-ups, and climb the high-score leaderboard.

  • 🛠️ Built 100% in C with Raylib
  • 🎯 Physics-based shooting mechanics
  • 🔥 Power-ups & progressive difficulty
  • 🏆 High-score system with persistent storage
View Repo

📊 Riefmathics: A Web App for Automated Statistical Calculations

A powerful JavaScript-based web application designed to automate statistical data computations. Built with Object-Oriented Programming (OOP) for modularity and efficiency.

  • ✅ Supports Grouped & Single Data calculations
  • ⚡ Built with pure JavaScript (no libraries required!)
  • 📈 Fast, accurate, and user-friendly
Grouped Data Single Data

🔐 Xcreeptor: A Qt-Based Multi-Layer Encryption App

A C++ & Qt-powered encryption tool that combines substitution ciphers, AES-256 encryption, and secure local database storage with multi-layered encryption & hashing for ultimate data protection.

  • ✅ Secure & User-Friendly Interface
  • 🔑 Advanced Encryption: Substitution Cipher + AES-256 + Hashed .dat Storage
  • 🛡️ Account & Key Management with SHA-256 Authentication
  • 💡 Cross-Platform Support (Windows, Linux, macOS)
View Repo

🚀 Competitive Programming Enthusiast

Actively solving problems on LeetCode, TLX, Codeforces, and HackerRank using C++, JavaScript, C, and more. Enjoy tackling challenges, optimizing solutions, and continuously improving problem-solving skills.

  • ⚡ Passionate about efficiency and elegantsolutions
  • 🏆 Enjoys competitions and time-constrainedproblem-solving
  • 💡 Always exploring new problem-solvingtechniques across multiple languages
View Repo
Let's Talk

Got an exciting idea or a big project in mind? Let's collaborate and turn it into something amazing! I'm open to discussions and ready to help!