Selected Work

Dian Friansyah

Hotel Financial | Technology Expert | Business Intelligence | Researcher

Building operational systems that turn hotel data into decisions.

Applications

Web applications I designed and built

Each system is live. Open the app, or read the description first.

Hotel Electricity Analysis dan AI 01

Finance · Energy · 2026

Hotel Electricity Analysis dan AI

Energy intelligence for hotel financial control

Platform analitik listrik hotel yang menghubungkan konsumsi kWh harian, tarif PLN, occupancy, dan revenue — dilengkapi asisten AI untuk rekomendasi operasional.

PHPMySQLAI ChatBusiness Intelligence
Patrol Security System 02

Security · Operations · 2026

Patrol Security System

Accountable hotel security operations

Sistem patroli keamanan hotel dengan checkpoint QR, bukti foto, pelaporan insiden, peta lokasi, dan PWA untuk petugas di lapangan.

PHPMySQLPWAQR CodeMobile
Management Approval System Include Vendor Management 03

Management · Workflow · 2026

Management Approval System Include Vendor Management

Executive approvals on the move

Aplikasi approval manajemen untuk complimentary, entertainment, officer check, hotel voucher, dan registrasi vendor — siap dipakai di desktop maupun PWA.

PHPMySQLPWAWorkflowVendor Management
Hotel Property Management System (PMS) 04

Hotel · Operations · 2026

Hotel Property Management System (PMS)

Front office to general ledger in one hotel system

PMS hotel dari reservasi, room rack, folio, housekeeping, dan night audit sampai jurnal GL dan logistic inventory.

PHPMySQLFront OfficeGeneral LedgerLogistic
Private Tool - AI 05

Research · Education · 2026

Private Tool - AI

Lecture analysis assistant grounded in your course materials

A private AI workspace that extracts, highlights, and analyzes lecture materials, then helps complete assignments and exams using only the uploaded content.

PHPAIOCRDocument AnalysisEducation
PL Analysis 06

Finance · Hotel Analysis · 2026

PL Analysis

Month-to-month hotel profit and loss intelligence

A hotel analysis tool that presents P&L month to month from live general ledger data, with department performance, cost-to-revenue ratios, and variance insights.

PHPFirebirdMySQLP&LBusiness Intelligence
Guest Escalation System 07

Hotel · Guest Service · 2026

Guest Escalation System

Guest requests with SLA, runner PWA, and automatic escalation

A guest service system that logs in-house and visitor requests, pushes tasks to runners on a PWA, and escalates to the supervisor when the SLA is missed.

PHPMySQLPWASLATelegram

About

Practice at the intersection of finance, operations, and technology

Experienced Theme Park Manager with a solid background in hotel financial control, bringing a wealth of expertise in programming, database management, virtual machines, servers, and both Windows and Linux environments. Proficient in PHP and HTML, with a strong grasp of business development to strategically shape revenue projections. Skilled in business process optimization, providing a robust platform for informed decision-making and aligning with strategic goals to convert occasional revenue spikes into consistent budget projections. An expert in evaluating operational and financial impacts to ensure business continuity, delivering impactful, data-driven insights to support sustainable growth.

Expertise

Capabilities used to build these systems

Hotel Financial Control
Business Intelligence
PHP & HTML
Database Management
Windows & Linux Servers
Virtual Machines
Business Process Optimization
Revenue Projection
Operational Research