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AMuhammad Aufa / FdxLab

Available for serious engineering work

Building software that survives production.

Systems-oriented software engineer shipping mobile applications, production integrations, automation tools, and portable platform infrastructure.

Explore projects
Production apps
10+
Production apps
Years Experience
5+
Years Experience
Years shipping
2+
Years shipping
Engineering domains
5
Engineering domains

Engineering principles

Software should remain understandable when the pressure is real.

I optimize for reliability, explicit behavior, maintainability, portability, and evidence—not trend-driven complexity.

01

Reliability

Protect user data first. Degrade safely. Keep incidents quiet.

02

Maintainability

Prefer systems another engineer can understand years later.

03

Observability

Measure behavior before optimizing assumptions.

04

Portability

Avoid infrastructure decisions that create unnecessary lock-in.

Selected production systems

Evidence over adjectives.

Production work, internal tools, and platform experiments—each framed around context, constraints, ownership, and outcomes.

Mobile · Enterprise

MyKisel

Internal super-app deployed across Telkomsel Smart Office, covering cooperative finance, payments, internal commerce, and digital top-up.

Open case study

Payments · Production

BayarAja

Customer-facing digital payment platform with transaction workflows and backend integrations.

Open case study

Healthcare · Mobile

Nexus

Digital nursing-standards library and membership app for PPNI (Persatuan Perawat Nasional Indonesia), the Indonesian National Nurses Association.

Open case study

Enterprise · Mobile

iFMC

Enterprise mobile application with backend integrations, operational workflows, and attendance verification.

Open case study

HR · Mobile

Marissa

Employee self-service mobile app for PT Kinarya Utama Teknik covering attendance, leave, overtime, permissions, payslips, and insurance.

Open case study

How I engineer software

A repeatable decision framework for systems that must survive real usage.

Small tests first. Invisible to users. Data protection before convenience. Recovery paths before optimistic assumptions.

  1. 01

    Input

  2. 02

    Behavior

  3. 03

    Failure modes

  4. 04

    Recovery

  5. 05

    Optimization

  6. 06

    Long-term impact

Production journey

A story of increasingly wider system ownership.

From operational automation to certified Android development, transaction-heavy mobile systems, internal tooling, and platform architecture.

  1. 2021

    COVID-19 operations

    Built automation and reporting workflows for public-health tracing.

  2. 2022

    Bangkit + Google AAD

    Selected for Bangkit and passed Google Associate Android Developer certification.

  3. 2024

    Production mobile systems

    Started shipping and maintaining transaction, wallet, cooperative, and enterprise applications.

  4. 2026

    FdxLab platform

    Building a portable platform with Go, PostgreSQL, Docker, Cloudflare, SDKs, and ADR-driven architecture.

Engineering lab

FdxLab is where the architecture becomes visible.

A portable, low-cost platform designed with explicit boundaries, small operational burden, and long-term ownership in mind.

Currently building

Read the platform case study →

  • Auth

    service node

  • Analytics

    service node

  • SDK

    shared client

  • Postgres

    service node

  • Portfolio

    service node

  • CMS

    service node

Ready to ship something that has to work?

Available for software engineering roles involving production systems, mobile platforms, integration, reliability, and system ownership.

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