Personal Journal

Lixionary.

Sharing experiences, thoughts, and career journeys in engineering and leadership.

Recent

Latest write-ups

Jun 27, 2026AI

From 384 kbps to Claude Code: Why the Era of the Hyper-Specialized Developer is Over

How the evolution of AI-powered development tools is collapsing traditional tech boundaries, shifting engineering leverage from hyper-specialized silos to versatile generalists.

Jun 27, 2026Fintech

Navigating the Property Loan Maze in Indonesia: My Journey and Lessons for Young Buyers

Real-world lessons from a nine-year journey buying property in Indonesia—from developer installments to KPR takeovers and the legal reality of stalled BUMN projects.

Jun 22, 2026AI

From Commute to Control: How Hermes Agent Turned My Telegram into a Remote Terminal

How a curious experiment with a local AI agent evolved into a mini-PC hosted assistant, letting me build POCs and debug code during my daily commute.

Portfolio

Creative Capture

A collection of captured frames, freezing transient details of the world.

Motion and Light

Visual Focus

Recording the physics of light, shadows, and movement across city streets and quiet environments.

Focus & Emotion

Portrait

Capturing character and expressions, studying how lighting shapes contours and records quiet stories.

Scenery & Scale

Landscape

Fascinated by wide perspectives, structure, and geography—from city skyline layers to expansive natural horizons.

Nature & Life

Wildlife

Observing subjects in their natural spaces, capturing spontaneous interactions and fleeting details.

Biography

About me

Rules, code, and capture: My journey in finding how things work.

Hi, I'm Felix. I'm a software engineer and leader who loves uncovering how things work. My engineering journey began in Bandung, Indonesia, taking me through Electrical Engineering at ITB and Gumi, South Korea, to payment platforms, low-level microcode, and engineering management.

I believe that system design and creative expression share the same foundation—which is why I divide my time between software architecture, exploring the world through my Sony A7CR lens, and building complex Lego Technic models.

Read my full story

Ecosystem

Public tools

A collection of utility applications built to solve daily tasks.