Software Engineer • Full-Stack Developer • System Analyst

Architecting Robust Systems & Scalable Solutions.

Hi, I'm Tijar Taufik Rahman. I'm a | — lulusan Teknik Informatika UNIKOM yang fokus pada rekayasa perangkat lunak skala enterprise, perancangan arsitektur sistem, dan pengembangan solusi Full-Stack Web & Mobile.

tijar@dev ~ $ ready to build
UNIKOM '22 — Teknik Informatika
GitHub Contributions @tijartaufikrahman

Open source contributions & projects : https://github.com/tijartaufikrahman

72 contributions in the last year

Capabilities & Stack

Core technologies, frameworks, and engineering tools I leverage in production.

C#C#
JavaJava
PythonPython
JSJavaScript
KotlinKotlin
DartDart
PHPPHP
.NET.NET
Spring BootSpringboot
FlaskFlask
FastAPIFastAPI
FlutterFlutter
LaravelLaravel
MySQLMySQL
SQL ServerSQL Server
PostgreSQLPostgreSQL
AWSAWS
GCPGoogle Cloud
ContaboContabo
.NET, Spring Boot & FastAPIBackend APIs

Enterprise microservices, asynchronous APIs & scalable web services

System Analysis & ArchitectureSystem Analyst

Business process modeling, ERD/DFD/UML design, requirements gathering & workflow optimization

Laravel & FlaskWeb Frameworks

Full-stack web applications, rapid prototyping & MVC architecture

SQL Server, MySQL & PostgreSQLDatabases

Relational schema modeling, query optimization, indexing & transactions

Flutter, Kotlin & DartMobile

Cross-platform mobile apps & native Android high-performance UI

C#, Java, Python, JS & PHPCore Languages

OOP design patterns, algorithm implementations & backend business logic

Work Experience

Riwayat profesional, rekayasa software enterprise, dan pengalaman industri teknologi.

project Aug 2025 — Feb 2026

Software Engineer

PT KBUMN — Sinadine

Mengembangkan sistem Sinadine untuk PT KBUMN. Bertanggung jawab dalam arsitektur sistem, pengembangan backend, dan integrasi REST API untuk solusi enterprise.

.NETSQL ServerREST APIjQuery
project Jun 2024 — Aug 2024

Software Developer

PT Trakindo

Terlibat dalam pengembangan project di PT Trakindo, perusahaan distribusi alat berat terkemuka di Indonesia.

EnterpriseSoftware Dev
magang Feb 2025 — Jun 2025

Software Engineer Intern

Bringtime Solution

Magang sebagai Software Engineer. Mengembangkan Sistem Absensi untuk perusahaan, termasuk desain database, backend, dan frontend.

Full-StackDatabaseAbsensi

Education

Academic foundation, degree credentials, and formal computer science education.

Universitas Komputer Indonesia

2022 — 2026

S1 — Teknik Informatika

IPK: 3.47 Fresh Graduate Bandung, Indonesia

Mempelajari fondasi ilmu komputer, pemrograman, rekayasa perangkat lunak, arsitektur database, jaringan komputer, dan kecerdasan buatan.

Algorithms & Data Structures Software Engineering Database Systems AI & Machine Learning Computer Networks

Selected Systems & R&D

Riset mandiri dan implementasi sistem perangkat lunak berbasis algoritma cerdas, optimasi matematis, dan decision support.

Computer Vision Independent R&D

Sistem Absensi Face Recognition Berbasis Geolokasi

Sistem presensi cerdas berbasis biometrik wajah real-time dengan validasi radius geofencing GPS mobile/web untuk mencegah manipulasi kehadiran.

Face Recognition Geofencing GPS Python Flutter
Data Mining Independent R&D

Retail POS & Rekomendasi Penempatan Produk (FP-Growth)

Sistem retail & market basket analysis memanfaatkan algoritma association rule mining FP-Growth untuk penataan produk optimal dan cross-selling.

FP-Growth Market Basket Laravel MySQL
Optimization Independent R&D

Sistem Optimasi Rute Pengantaran (ACO & 2-Opt)

Penyelesaian Travelling Salesperson Problem (TSP) pada distribusi logistik armada menggabungkan Ant Colony Optimization (ACO) dan pencarian 2-Opt.

Ant Colony 2-Opt Algorithm Python FastAPI
Optimization Independent R&D

Sistem Alokasi Anggaran (Linear Programming)

Model optimasi riset operasi untuk distribusi alokasi anggaran proyek dan operasional dengan batasan fungsi kendala guna efisiensi modal maksimal.

Simplex LP Operations Research Python Flask
Machine Learning Independent R&D

Prediksi Harga Komoditas Pangan (Data PIHPS)

Sistem forecasting tren fluktuasi harga komoditas pangan pasar tradisional menggunakan dataset historis PIHPS untuk mitigasi volatilitas pasar.

Time Series ML PIHPS Dataset Python FastAPI
Genetic Algorithm Independent R&D

Sistem Penjadwalan Shift (Algoritma Genetika)

Optimasi permutasi jadwal kerja karyawan multi-shift otomatis tanpa konflik shift, memperhitungkan batasan jam kerja dan preferensi staf.

Genetic Algorithm Fitness Function .NET SQL Server