Software engineer · Remote contract work

I build production Android apps, custom CRMs, and operations automation for client teams.

Recent work spans Laravel + Next.js platforms, n8n + OpenAI workflows, and Android + AI features in live products. IEEE Xplore-published in real-time computer vision.

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Walkthrough

Multi-branch operations automation

Quick walkthrough of an automation system I built for a multi-branch service business. Stack is n8n, Google Apps Script, Telegram bot, and OpenAI for parsing. Eight production workflows handling bookings, branch reporting, and staff KPIs.

Commercial proof

CRM, automation, Android AI UX, and multi-surface delivery kept at the center of the portfolio.

  • 1

    Custom CRM replaced 3 separate spreadsheets — pipeline review cycle cut from ~2 days to ~15 minutes.

  • 2

    Inbound order + lead automation eliminated an estimated 60–80 hours/month of manual logging for a multi-branch operator.

  • 3

    Shipped Android AI chat-to-search UX in a live media app — stabilized state sync across the discovery flow.

How I help

Outcome-first engagement options for teams that need delivery, not generic freelance coverage.

AI Workflow & Internal Tool Sprint

From $5,000 · fixed-scope

Design and ship the system that removes manual steps, clarifies ownership, and gives the team a cleaner operating baseline. Built on Laravel or Next.js depending on what fits the existing stack.

Typical sprint: 2–6 weeks

Best for: internal workflow cleanup, ops tooling, team visibility

  • Workflow mapping, data shape, and role-aware delivery plan
  • Implementation across backend, dashboard, and supporting product surfaces
  • Handoff notes for rollout, maintenance, and next-step iteration

Relevant proof

Enterprise CRM - Sales Pipeline & Performance SystemInbound Order & Lead Ops AutomationMulti-Surface Platform Monorepo

Automation & Ops Clarity Sprint

From $3,500 · fixed-scope

Build n8n, Apps Script, and API automation layers that move data between tools, eliminate repetitive logging, and make operational state easier to trust.

Typical sprint: 1–3 weeks

Best for: lead routing, reporting handoffs, manual admin reduction

  • Workflow implementation across APIs, n8n, Apps Script, and operational sheets
  • Validation, fallback handling, and traceability checks
  • Lightweight operating notes for non-technical team members

Relevant proof

Inbound Order & Lead Ops AutomationEnterprise CRM - Sales Pipeline & Performance System

Android + AI Product Delivery

From $4,500 · fixed-scope

Ship Android features and AI-assisted product flows that need careful state handling, usability work, and production-minded implementation. Backed by IEEE Xplore-published research in real-time computer vision.

Typical sprint: 2–4 weeks

Best for: AI chat/search UX, offline-first flows, on-device CV (TFLite, YOLO, ONNX)

  • Flow review for user entry points, state changes, and edge cases
  • Implementation inside the existing Android architecture
  • Release-ready notes for QA, follow-up fixes, and future iteration

Relevant proof

Media Android App - AI Chat + Search UXOffScan AI
See engagement options Share your scope

Selected systems and product delivery

Highest-fit proof for internal tools, automation, platform delivery, and Android + AI execution.

Client Systems

Client delivery

Enterprise CRM - Sales Pipeline & Performance System

Lead Full-Stack Engineer6-week delivery sprint

Cut the weekly pipeline review cycle from ~2 days of spreadsheet reconciliation to ~15 minutes — single source of truth across sales, ops, and management.

  • Problem

    Pipeline updates and performance reporting were split across 3 separate spreadsheets, making weekly reviews take days and ownership hard to trust.

  • My scope

    Mapped sales stages, reporting rules, and operator roles before touching schema or UI.

  • Result

    Cut the weekly pipeline review cycle from ~2 days of spreadsheet reconciliation to ~15 minutes — single source of truth across sales, ops, and management.

  • Laravel
  • Next.js
  • PostgreSQL
  • Prisma
  • Docker
Read case study

Automation Systems

Client delivery

Inbound Order & Lead Ops Automation

Automation Engineer2-week delivery sprint

Eliminated an estimated 60–80 hours/month of manual data entry across multi-branch operations. Booking + reporting now flow automatically into a single source of truth.

  • Problem

    Inbound orders, bookings, and chat updates were copied manually into spreadsheets across multiple branches, producing inconsistent records, delayed follow-up, and zero operational visibility for management.

  • My scope

    Implemented web-order-to-sheet automation with validation and normalization.

  • Result

    Eliminated an estimated 60–80 hours/month of manual data entry across multi-branch operations. Booking + reporting now flow automatically into a single source of truth.

  • n8n
  • Google Apps Script
  • Google Sheets
  • Google Calendar
  • Notion
Read case study

Personal Product

Public build

Spectre Insight

Solo Founder & EngineerOngoing — early access live

Live at spectre.asia. Built end-to-end as a solo project.

  • Problem

    Operators and managers regularly receive raw spreadsheet exports (sales, ops, inventory, performance) that take hours to manually parse into something a leadership team can act on.

  • My scope

    Built the upload and parse pipeline on Next.js with Prisma over SQLite for fast solo iteration.

  • Result

    Live at spectre.asia. Built end-to-end as a solo project.

  • Next.js
  • Prisma
  • SQLite
  • OpenAI
  • VPS Deployment
Read case study

Android + AI

Client delivery

Media Android App - AI Chat + Search UX

Android AI UX Engineer3-week delivery sprint

Stabilized AI chat-to-search state sync in production — eliminated mismatch issues that broke the discovery flow for end users.

  • Problem

    Users lacked a clear transition from AI chat prompts to meaningful search actions, and state sync issues reduced UX reliability.

  • My scope

    Worked inside the existing WebView-based AI entry path so the feature fit the live app architecture.

  • Result

    Stabilized AI chat-to-search state sync in production — eliminated mismatch issues that broke the discovery flow for end users.

  • Android
  • Kotlin
  • WebView
  • Search UX
Read case study
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What clients say

Verified delivery — full client context shared on call. Returning clients across multiple verticals.

Rifki mapped the whole workflow before writing a single line of code. The CRM fit exactly how our team operates — we stopped reconciling spreadsheets every Monday. Clean handoff, well documented, ready to hand to whoever maintains it next.

Co-founder — Multi-business operator, Indonesia

First project — Enterprise CRM build (2025)

Brought him back for a totally different vertical after the CRM. Automation cut our daily reporting and booking work from hours to minutes across multiple branches. Edge cases flagged before they became problems.

Same operator — Returning client — second project, different vertical

Second project — Operations automation (2026)

Why teams bring me in

  • Shipped production systems across CRM, automation, Android AI UX, and multi-surface platform delivery.
  • First Author of an IEEE Xplore paper on real-time YOLO object detection benchmarking, presented at IEEE IAICT 2025 in Bali.
  • Mobile Engineering Fellow at Bangkit Academy 2024 — a Google / GoTo / Traveloka program with ~10% acceptance from 45,000+ applicants.
  • Bachelor of Engineering from Telkom University — IABEE-accredited program, Washington Accord signatory, internationally recognized as substantially equivalent to ABET (USA) and UK engineering degrees.
  • Returning client across two verticals — same operator engaged me for a second project in a different business after the first delivery.
  • Direct stakeholder collaboration on scope, milestones, and rollout context. Full client references available on request.

Good fit

  • Service businesses (travel, salons, clinics, agencies, multi-branch ops) needing internal tools or operations automation
  • Founders or operators looking to ship a CRM, internal tool, or workflow automation as a scoped project
  • Product teams that need Android + AI delivery (TFLite, YOLO, on-device CV) alongside their backend or web work

Working style

  • Scopes are broken into milestones with clear delivery order and acceptance criteria.
  • I work comfortably inside existing products, not just greenfield builds.
  • Handoff quality matters as much as implementation speed.

Core stack

  • Laravel
  • Next.js
  • NestJS
  • Android
  • Kotlin
  • PostgreSQL
  • Docker
  • n8n
  • Google Apps Script

Profiles

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Remote contract engineering

Ready to stop patching the same workflow every quarter?

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